Service manual

ManualsBrandsCarrier ManualsKitchen AppliancesVECTOR 6500

Trailer & Rail Refrigeration

EVAPORATOR

CONDENSER

EVXV

RECEIVER

62--11389 Rev A Change 09/11

OPERATION & SERVICE

MANUAL

for

VECTOR 6500

Single--Temp Trailer and Rail

Refrigeration Units

With Advancet Microprocessor

Summary of content (330 pages)

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Trailer & Rail Refrigeration EVAPORATOR CONDENSER EVXV RECEIVER OPERATION & SERVICE MANUAL for VECTOR 6500 Single--Temp Trailer and Rail Refrigeration Units With Advancet Microprocessor 62--11389 Rev A Change 09/11
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OPERATION & SERVICE MANUAL for VECTOR 6500 Single−Temp Trailer and Rail Refrigeration Units With Advance Microprocessor
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TABLE OF CONTENTS PARAGRAPH NUMBER Page SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1−1 1.1 SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1−1 1.2 SPECIFIC WARNING AND CAUTION STATEMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1−2 1.3 SAFETY DECALS . . . . .
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TABLE OF CONTENTS − Continued PARAGRAPH NUMBER 2.5 Page SYSTEM OPERATING CONTROLS AND COMPONENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2−11 2.5.1 Multiple Languages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2−11 2.5.2 Automatic Start-Stop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2−11 2.5.
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TABLE OF CONTENTS − Continued PARAGRAPH NUMBER Page 3.18 STOPPING UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.19 DataLink DATA RECORDER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3−29 3−30 3.19.1 Microprocessor Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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TABLE OF CONTENTS − Continued PARAGRAPH NUMBER Page 4.6 DEFROST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4−8 4.6.1 Defrost Initiation And Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4−8 a. Defrost based on coil condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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TABLE OF CONTENTS − Continued PARAGRAPH NUMBER Page MESSAGECENTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.1 MESSAGECENTER MESSAGES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6−1 6−1 ALARM TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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TABLE OF CONTENTS − Continued PARAGRAPH NUMBER Page 58 59 CHECK REMOTE SWITCH 2 (REMS2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DATALOGGER (DataLink data recorder) NOT RECORDING . . . . . . . . . . . . . . . . . . . . . . . . . . . 7−42 7−43 60 61 DATALOGGER (DataLink data recorder) TIME WRONG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DOOR OPEN (DS1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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TABLE OF CONTENTS − Continued PARAGRAPH NUMBER Page 7.9 PRETRIP ALARMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P141 PRETRIP STOPPED BY USER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7−75 7−75 P144 CHECK UL1 CIRCUIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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TABLE OF CONTENTS − Continued PARAGRAPH NUMBER Page 7.11 MICROPROCESSOR ALARMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7−102 232 SETPOINT ERROR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7−102 233 MODEL # ERROR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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TABLE OF CONTENTS − Continued PARAGRAPH NUMBER 8.6 8.7 8.8 Page 8.5.13 Water Pump V-Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8−14 8.5.14 Crankcase Breather . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8−14 REFRIGERANT SYSTEM SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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TABLE OF CONTENTS − Continued PARAGRAPH NUMBER 8.8.7 8.8.8 Page High Pressure Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pressure Transducers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8−31 8−31 8.8.9 Defrost Air Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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TABLE OF CONTENTS − Continued PARAGRAPH NUMBER Page WIRING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.1 HARNESS PLUG WIRING FOR UNITS WITH A MAIN POWER SWITCH LABELED ENGINE/OFF/STANDBY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.
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LIST OF ILLUSTRATIONS FIGURE NUMBER Page Figure 1−1 Lockout/Tagout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1−1 Figure 2−1 Front View - Refrigeration System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2−2 Figure 2−2 Road Side/Rear Compressor View - Refrigeration System Components . . . . . . . . . . . . . . . . . . .
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LIST OF ILLUSTRATIONS − Continued FIGURE NUMBER Page Figure 8−17 Engine Crankcase Breather . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 8−18 Refrigerant System Service Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8−14 8−15 Figure 8−19 Compressor - model 06D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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LIST OF TABLES TABLE NUMBER Page Table 2-1 Model Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table 2-2 Additional Support Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2−1 2−1 Table 3-1 Unit Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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SECTION 1 − SAFETY PRECAUTIONS 1 1.2 1.3 SPECIFIC WARNING AND CAUTION STATEMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1−2 SAFETY DECALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1−6 62−11389 1 PARAGRAPH NUMBER Page 1.1 SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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SECTION 1 SAFETY PRECAUTIONS Refrigerants 1.1 SAFETY PRECAUTIONS Your Carrier Transicold refrigeration unit has been designed with the safety of the operator in mind. During normal operation, all moving parts are fully enclosed to help prevent injury. During all pre-trip inspections, daily inspections, and problem troubleshooting, you may be exposed to moving parts. Please stay clear of all moving parts when the unit is in operation and when the Main Power Switch is not in the OFF position.
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1.2 SPECIFIC WARNING AND CAUTION STATEMENTS WARNING Ensure the power plug is clean and dry before connecting to any electrical outlet / receptacle. To help identify the label hazards on the unit and explain the level of awareness each one carries, an explanation is given with the appropriate consequences: DANGER - warns against an immediate hazard which WILL result in severe personal injury or death.
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WARNING WARNING Do not direct water or steam into the generator openings. Do not allow any soap and water solutions to enter the generator. Use the required protective eye wear and clothing when working with solvents. WARNING WARNING Beware of moving poly V-belt and belt driven components. Generators of this type should not be “flashed.” Operation with external voltage source or momentary shorting of leads will damage the generator and may cause injury.
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CAUTION CAUTION Do not over torque display & keypad pan head screws. Torque all screws to 60 inlbs (6.8 Nm). Most electronic components are susceptible to damage caused by electrical static discharge (ESD). In certain cases, the human body can have enough static electricity to cause resultant damage to the components by touch. This is especially true of the integrated circuits found in the Advance microprocessor.
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CAUTION CAUTION Ensure that thrust washer does not fall off dowel pins while installing oil pump. Do not bend the copper tubing on the condenser coil when installing the new condenser. Bend the unit tubing if tubes do not align correctly. CAUTION CAUTION An overcharge of oil will reduce system capacity and possibly cause internal compressor damage. Before connecting a megohmmeter, place the Main Power switch in the OFF position.
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1.
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CONTAINS HOT SURFACES THAT WILL IGNITE COMBUSTIBLES AND FLAMMABLE MATERIALS SUCH AS BIRD NESTS, LEAVES, TREE LIMBS OR MAINTENANCE MATERIALS SUCH AS SHOP RAGS. DO NOT OPERATE WITHOUT INSPECTION. FIRES AND SERIOUS INJURIES MAY RESULT. SAFETY INSTRUCTIONS INSPECT UNIT DAILY PRIOR TO OPERATION. REMOVE ANY COMBUSTIBLE FOREIGN MATERIAL.
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62-11389 1−8
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THIS UNIT CHARGED WITH R-404A CAUTION ! COMPRESSOR MUST BE CHARGED WITH P.O.E. OIL ONLY: CTD P/N: 07-00317-00 MOBIL ARCTIC P.N: EAL63 CTD P.
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SECTION 2 −UNIT DESCRIPTION 1 PARAGRAPH NUMBER Page 2.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2−1 GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2−1 CONDENSING SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2−7 2.3.1 2.3.2 Engine . . . . . .
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9 SECTION 2 UNIT DESCRIPTION 2.1 INTRODUCTION unit. The unit is used on insulated refrigerated compartments to maintain cargo temperatures within very close limits. WARNING Advance microprocessor equipped units may start automatically at any time the Main Power switch is not in the OFF position. Also, the unit may be fitted with two way communication equipment that will allow starting of the unit from a remote location even though the switch is in the OFF position.
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1 2 10 9 8 7 6 5 3 4 1. 2. 3. 4. Condenser & Radiator Ambient Air Temperature Sensor (ATT - behind grille) Model/Serial Number Nameplate Power Supply Receptacle (PSR - Under Unit) 5. 6. 7. 8. 9. 10.
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9 1 2 3 4 5 9 10 8 7 6 11 1. 2. 3. 4. 5. 6. 7. 12 Note: Junction box may be located on front or rear of compressor Defrost Air Switch (DAS) Receiver & Sight Glasses Filter-Drier Liquid Line Service Valve Compressor Suction Service Valve Compressor Discharge Service Valve Compressor Discharge Temperature Sensor (CDT) 8. 9. 10. 11. 12.
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1 2 3 4 5 6 7 24 8 23 9 10 11 22 12 13 21 1. 2. 3. 4 5. 6. 7. 8. 9. 10. 11. 12. 20 18 19 Exhaust (Location) Coolant Bottle (Location) Air Cleaner & Air Cleaner Service Indicator (Behind bracket) Engine Speed Control Unit (ENSCU) Engine Coolant Temperature Sensor (ENCT) Intake Air Heater (IAH) Fuel/Speed Actuator (FSA) Control Box (Refer to Figure 2−5) Engine Speed Sensor (ENSSN) Engine Oil Pressure Switch (ENOPS) Display Switch Board 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24.
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9 5 6 4 7 8 9 10 2 12 11 1 3 13 EVXV IS LOCATED CLOSER TO THE CENTER OF THE COIL ON EARLY UNITS 1. 2. 3. 4. 5. 6. 7. Defrost Termination Temperature Sensor (DTT - Located on curbside tube sheet) Evaporator Air Nozzle Evaporator Fan/Motor Assembly (EVM) Evaporator Fan/Motor Wiring Supply Air Temperature Sensor (1SAT) Electronic Expansion Valve (EVXV) Evaporator Outlet Pressure Transducer (EVOP) 8. 9. 10. 11. 12. 13.
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1 30 3 2 31 4 32 5 33 6 7 8 29 9 10 28 11 27 12 26 13 25 14 15 24 17 23 16 18 19 CONTROL BOX 22 21 20 34 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. Heat Contactor 1 (1HTCON1) 19. Fuse (F28) 20. Fuse (F27) 21. Fuse (F26) 22. Fuse (F12) 23. Fuse (F11) 24. Fuse (F10) 25. Fuse (F8) 26. Fuse (F7) 27. Fuse (F29) 28. AC Current Sensor (CT2,3,4) 29. Phase Reversal Module (PRM) 30. Fuel Heater Relay (FHR) 31. Power Supply Contactor Relay (PSCONR) 32.
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9 2.3 CONDENSING SECTION b. Fuel/Speed Actuator (FSA) The FSA combines the fuel shutoff solenoid and speed control solenoid into one component. Fuel supply to the injectors and engine speed is controlled by varying rod position in accordance with the signal from the ENSCU. The FSA is located on the front of the injection pump. c. Engine Speed Sensor (ENSSN) The ENSSN provides the ENSCU with information on the speed at which the engine is running.
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2 1 3 4 5 7 6 8 11 9 15 10 14 12 13 1. 2. 3. 4. 5. 6. 7. 8. Solenoid Valve Valve Stem Gas Bypass Port Spring Guide Spring Piston Bypass Valve Bleed Orifice 9. 10. 11. 12. 13. 14. 15. Strainer Suction Manifold Cylinder Discharge Valve Valve Plate Cylinder Suction Valve Discharge Check Valve Assembly Discharge Manifold Figure 2−7 Compressor Cylinder Head Unloaded b.
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9 2 1 3 4 5 7 6 8 9 11 15 10 14 12 13 1. 2. 3. 4. 5. 6. 7. 8. Solenoid Valve Valve Stem Gas Bypass Port Spring Guide Spring Piston Bypass Valve Bleed Orifice 9. 10. 11. 12. 13. 14. 15. Strainer Suction Manifold Cylinder Discharge Valve Valve Plate Cylinder Suction Valve Discharge Check Valve Assembly Discharge Manifold Figure 2−8 Compressor Cylinder Head Loaded 2.3.7 Compressor Switches, Transducers and c. Loaded Operation Sensors a.
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2.4.1 Evaporator Coil The evaporator is a tube in fin type. The operation of the compressor maintains a reduced pressure within the coil. At this reduced pressure, the liquid refrigerant evaporates at a temperature sufficiently low enough to absorb heat from the air. The electric heaters (HTR1 & HTR2) are mounted on the inlet side of the coil. d.
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9 reading is displayed, recorded in the DataLink data recorder and used to control the refrigeration system. It is located on on a bracket behind the center of the return air grille. Automatic Engine Starting. Functional Parameter locks. Alarms are stored in microprocessor memory for future reference. f. Supply Air Temperature Sensor (1SAT) 2.5.
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1. Blink once per second when data is being transferred to, or from, the PC Card. Will be on steady when the operation is complete indicating the PC Card may be removed. the Micro Status LED will continue at the 1/2 second rate and the Card Status LED will come on solid and remain on solid until the card is removed from the slot. 2.
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9 1 ALTERNATE CONFIGURATION 2 12 -20.0 +34.5 F 3 4 STANDBY 5 15 ENGINE 6 ENGINE MANUAL DEFROST 7 ALARM LIST START‐STOP/ CONTINUOUS SELECT 13 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 9 10 O OFF MAIN POWER SWITCHES 11 Indicator lights Keypad Door Main Display MessageCenter Keypad Up and Down Arrow Keys Enter Key Manual Defrost Key Alarm List Key Start/Stop-Continuous Key 14 OFF STANDBY 8 I START/RUN 11. 12. 13. 14. 15.
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Functional Parameter, clearing alarms, and locking the data menu. Message Center Messages generated by the microprocessor are displayed in the MessageCenter. As the main display scrolls every 5 to 10 seconds from one active compartment to another, the applicable message for that particular compartment will also be displayed. Details of the messages are described in Section 6.1 MessageCenter.
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9 amber LED indicates “CHECK UNIT”. The amber light is illuminated when the microprocessor illuminates the fault light. Alarms can be read on the microprocessor display. 2.6 ELECTRONIC MODULES 2.6.1 Overload Ground Fault Module (OGF) LED AMBER GREEN Figure 2−11 OGF Module The OGF, see Figure 2−11, is located in the control box (see Figure 2−5). The module has two electrical safety features which are active in both Engine and Standby Operation: Figure 2−13 Light Bar 1. Overload protection. 2.7.
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2.7.3 Remote Temperature Sensors The unit is provisioned to connect up to three remote temperature sensors directly to the microprocessor. 2.7.4 Remote Control Panel The unit may be fitted with, and the remote switch/door switch configurations set for, an optional remote control panel. The panel displays refrigerated compartment set point, compartment temperature and operating mode (heat, cool or defrost). The set point may be set and the unit may be started and stopped using the remote panel.
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9 2.9 COMPRESSOR DATA Compressor Model Number of Cylinders Type Weight Oil Charge Approved OIl 06D 6 Semi-hermetic Reciprocating 325 lbs (1478 kg) 7.6 pints (3.6 liters) Mobil Arctic EAL 68 2.10 REFRIGERATION SYSTEM DATA Defrost Air Switch (DAS) Defrost Timer (micro controlled) Evaporator High Temperature Switch (EVHTS) Fusible Plug Melting Point High Pressure Switch (HP1) Unit Dry Weight, Less Battery Battery Initiates Defrost: 1.40 .07 inch (35 1.8 mm) WG 1.
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2.11 ELECTRICAL DATA - Continued Evaporator Fan Motor Generator Battery Charger 20 Amp Battery Charger 40 Amp OGF Module Battery Standby Power Requirements Standby Extension Cord Full Load Amps (FLA) Horsepower Speed Voltage and Frequency Bearing Lubrication Rotation Resistance Nominal voltage & frequency at High Speed Nominal voltage & frequency at Low Speed Resistance 1.9 amps @ 460 vac, 60 hz 1.
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9 2.13 SAFETY DEVICES The system is protected from high pressure conditions which may occur when exposed to very high temperatures (such as a fire) by a fusible plug mounted in the receiver. Under very high temperature conditions (refer to Section 2.10) the plug will melt, releasing the refrigerant pressure. System components are protected from damage caused by unsafe operating conditions by automatic shut-down of the unit when such conditions occur.
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flow of liquid refrigerant to the evaporator to obtain maximum use of the evaporator heat transfer surface. 2.14 REFRIGERANT CIRCUIT DURING COOLING When cooling, (See Figure 2−14) the unit operates as a vapor compression refrigeration system. The main components of the system are: the (1) reciprocating compressor, (2) air-cooled condenser, (3) expansion valves, and (4) direct expansion evaporator.
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9 ÂÂÂÂÂÂ ÂÂÂÂÂÂ ÂÂÂÂÂÂÂÂ ÂÂÂÂÂÂÂÂ ÂÂÂÂÂÂÂÂ ÂÂÂÂÂÂÂÂ MICROPROCESSOR EVOP EVOT EVXV EVAPORATOR HEAT EXCHANGER RECEIVER ÂÂÂ ÂÂÂ ÂÂÂ ÂÂÂ ÂÂÂ FUSIBLE PLUG CSMV HP1 CDP DISCHARGE SERVICE VALVE Â Â FILTERDRIER LIQUID LINE SERVICE VALVE CDT CST ÂÂÂÂÂÂÂÂ ÂÂÂÂÂÂÂÂ ÂÂÂÂÂÂÂÂ ÂÂÂÂÂÂÂÂ ÂÂÂÂÂÂÂÂ ÂÂÂÂÂÂÂÂ ÂÂÂÂÂÂÂÂ ÂÂÂÂÂÂÂÂ SUCTION SERVICE VALVE SUBCOOLER CSP COMPRESSOR CONDENSER DISCHARGE LINE LIQUID LINE SUCTION LINE Figure 2−14 Refrigerant Circuit 2−21 62-11389
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SECTION 3 − OPERATION 1 3.2 3.3 STARTING - STANDBY OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3−2 SELF TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3−4 3.4 3.5 PRETRIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3−5 CHANGING SET POINT . . . . . .
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SECTION 3 OPERATION 3.1 STARTING - ENGINE OPERATION WARNING Advance microprocessor equipped units may start automatically at any time the Main Power switch is not in the OFF position. Also, the unit may be fitted with two way communication equipment that will allow starting of the unit from a remote location even though the switch is in the OFF position. WARNING Be aware of HIGH VOLTAGE supplied at the power plug or from the generator.
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3.2 STARTING - STANDBY OPERATION WARNING Be aware of HIGH VOLTAGE supplied at the power plug or from the generator. When performing service or maintenance procedures: ensure any two way communication is disabled in accordance with the manufacturer’s instruction, ensure the Main Power Switch is in the OFF position and, whenever practical, disconnect the high voltage source, lockout/tagout the receptacle and disconnect the negative battery connection.
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Starting units with a Main Power switch labeled START/RUN-OFF. 1. Ensure the switch labeled ENGINE/STANDBY is in the STANDBY position and the switch labeled START/RUN-OFF is in the OFF position 2. Ensure the external power circuit breaker is off, connect standby cable to unit and then turn the external power circuit breaker on. -20.0 +34.5 F STANDBY ENGINE I START/RUN O 3. Place the switch labeled START / RUN OFF in the START/RUN position. I START/RUN 0 OFF 4.
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3.3 SELF TEST MODE LIGHTS MAIN DISPLAY MessageCenter DOOR ENGINE OFF STANDBY SELF TEST •. If the IntelliSet option has been installed the name of When first powered up, the microprocessor will run a self test consisting of the following steps: the current IntelliSet or “INTELLISET OFF” will be displayed. Refer to Section 3.17 for IntelliSet information. • All of the mode lights will illuminate. • All of the segments on the main display will turn on.
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3.4 PRETRIP 1. Place the switch labeled ENGINE/OFF/STANDBY in the desired position OR place the switch labeled START/RUN-OFF in the START/RUN position. HEAT COOL DEFROST ALARM START‐STOP CONTINUOUS +34.5 F -20.0 SETPOINT BOX TEMPERATURE TEST #1 XX% COMPLETE KEYPAD MANUAL DEFROST ALARM LIST START‐STOP/ CONTINUOUS SELECT 2. Press the SELECT key until the MessageCenter displays “PRESS THE = KEY TO START PRETRIP” . 3. Press the = key to start Pretrip 4.
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Test 1 - Display Test The microprocessor activates the display, and both lights on the Light Bar. This test will last 5 seconds. All segments of the display, all LEDs on the microprocessor, both lights of the Light Bar will be on during this test. This portion of the Pretrip requires that the operator determines PASS or FAIL. A defective display is indicated if: any LCD/LED segments are not visible or any LEDs or lights do not illuminate.
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PRETRIP (Continued) Test 4 - Temperature Sensor Check Test 10 - Condenser Fan Motors Amperage Check The condenser fan motor contactor will be energized and checked for proper current draw. An alarm will be activated if the condenser fan motors are not drawing amperage in the expected range. Check the condition of all of the system temperature sensors. NOTE Tests 5, 6 an 7 are only performed when unit is in Engine Operation. When in Standby Operation, pretrip will skip to Test 8.
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3.5 CHANGING SET POINT HEAT COOL DEFROST ALARM START‐STOP CONTINUOUS +34.5 F -20.0 SETPOINT BOX TEMPERATURE SETPOINT CHANGED MANUAL DEFROST ALARM LIST START‐STOP/ CONTINUOUS SELECT 1. Press the UP ARROW or DOWN ARROW key to change the set point to the desired value. The MessageCenter will display “↑↓ TO SCROLL, THEN = TO SAVE”. 2. Press the = key to save the new set point.
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3.6 START-STOP OPERATION START-STOP LIGHT HEAT COOL DEFROST ALARM START‐STOP CONTINUOUS +34.5 F -20.0 SETPOINT BOX TEMPERATURE START-STOP MODE SELECTED MANUAL DEFROST ALARM LIST START‐STOP/ CONTINUOUS SELECT 1. Press the START-STOP/CONTINUOUS key until the START-STOP Light on the microprocessor illuminates. 2. Verify that “START-STOP MODE SELECTED” is displayed on the MessageCenter and that the STARTSTOP light is illuminated. The unit is now in Start-Stop operation.
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3.7 CONTINUOUS OPERATION HEAT COOL DEFROST ALARM START‐STOP CONTINUOUS CONTINUOUS OPERATION LIGHT +34.5 F -20.0 SETPOINT BOX TEMPERATURE CONTINUOUS RUN MODE SELECTED MANUAL DEFROST 1. Press the START-STOP/CONTINUOUS key until the CONTINUOUS OPERATION Light on the microprocessor illuminates. ALARM LIST SELECT 2. Verify that “CONTINUOUS RUN MODE SELECTED” is displayed on the MessageCenter and that the CONTINUOUS OPERATION light is illuminated. The unit is now in Continuous Operation.
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3.8 SLEEP MODE HEAT COOL SETPOINT DEFROST ALARM START‐STOP CONTINUOUS BOX TEMPERATURE SLEEP MODE SETTINGS MANUAL DEFROST ALARM LIST START‐STOP/ CONTINUOUS SELECT Entering using Functional Parameter settings: 1. Press the SELECT key until the MessageCenter displays “PRESS ↑↓ TO VIEW SETTINGS”. 2. Press the UP ARROW key until the Functional Parameter “SLEEP MODE SETTINGS” is displayed. Press the = key. The MessageCenter will then display “↑↓ TO SCROLL, THEN = TO SAVE”. 3.
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If the unit is already running when Sleep Mode is selected, it will continue to run until the conditions described above are met. Pressing the = key will allow the user to select the date and time the unit is to automatically wake up. The wake up time must be at least 1 hour and no more than 8 days from the time the clock is set. The following information can be entered: Month (1 to 12). Day (1 to 31). Year (1998 to 2037). Hour (0 to 23). Minute (0 to 59).
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3.9 MANUAL DEFROST DEFROST LIGHT HEAT COOL DEFROST ALARM START‐STOP CONTINUOUS dF +34 SETPOINT BOX TEMPERATURE DEFROST CYCLE STARTED MANUAL DEFROST ALARM LIST START‐STOP/ CONTINUOUS SELECT Press the MANUAL DEFROST key. The DEFROST light will come on and the MessageCenter will display “DEFROST CYCLE STARTED” for 5 seconds, or flash “CANNOT START DEFROST CYCLE” for five seconds. TIP When defrost mode cannot be manually initiated “CANNOT START DEFROST CYCLE” is displayed in the MessageCenter.
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3.10 TRIP START HEAT COOL DEFROST -20.0 ALARM START‐STOP CONTINUOUS +34.5 F SETPOINT BOX TEMPERATURE TRIP START ENTERED MANUAL DEFROST ALARM LIST START‐STOP/ CONTINUOUS SELECT 1. To mark the start of a trip in the DataLink data recorder, press the SELECT key until the MessageCenter displays “PRESS = TO MARK TRIP START”. 2. Press the = key. 3.
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3.11 VIEW ACTIVE ALARMS ALARM LIGHT HEAT COOL DEFROST ALARM START‐STOP CONTINUOUS +34.5 F -20.0 SETPOINT BOX TEMPERATURE NO ACTIVE ALARMS MANUAL DEFROST ALARM LIST START‐STOP/ CONTINUOUS SELECT 1. Press the ALARM LIST key. If there are no active alarms, “NO ACTIVE ALARMS” will display for 5 seconds. 2. If there are active alarms, the alarm number will be displayed with the letter “A” in front and the alarm message following.
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3.12 VIEW INACTIVE ALARMS HEAT COOL DEFROST -20.0 ALARM START‐STOP CONTINUOUS +34.5 F SETPOINT BOX TEMPERATURE NO INACTIVE ALARMS MANUAL DEFROST ALARM LIST START‐STOP/ CONTINUOUS SELECT 1. Press and hold both the ALARM LIST key and the UP ARROW key for six seconds. If there are no inactive alarms, the display will read “NO INACTIVE ALARMS” for five seconds. 2. If there are inactive alarms, the display will be ‘I’ in front of the alarm number and message. 3.
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3.13 UNIT DATA HEAT COOL DEFROST ALARM START‐STOP CONTINUOUS +34.5 F -20.0 SETPOINT BOX TEMPERATURE PRESS ↑ ↓ TO VIEW DATA MANUAL DEFROST ALARM LIST START‐STOP/ CONTINUOUS SELECT 1. Press the SELECT key until the MessageCenter displays “PRESS ↑↓ TO VIEW DATA.” 2. Press the green UP ARROW key. The MessageCenter will display “PRESS ↑↓ TO VIEW DATA, THEN = TO LOCK” . Continue to press the green UP ARROW key to move down the Data List, or press the DOWN ARROW key to move up the Data List.
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Table 3-1.
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* + * Table 3-1. Unit Data - Continued * Displays information or setting entered in the microprocessor Configurations + May or may not be displayed depending on Parameter/Configuration settings PRODUCTSHIELD SETUP: Press “=” to access the list.
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3.14 VIEW HOUR METERS HEAT COOL DEFROST -20.0 ALARM START‐STOP CONTINUOUS +34.5 F SETPOINT BOX TEMPERATURE TOTAL ENGINE HOURS: 0 HRS MANUAL DEFROST ALARM LIST START‐STOP/ CONTINUOUS SELECT 1. Press the SELECT key until the MessageCenter displays “PRESS ↑↓ TO VIEW HOURMETERS”. 2. Press the green UP ARROW key. The MessageCenter will display “PRESS ↑↓ TO SCROLL, THEN = TO LOCK” .
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3.15 FUNCTIONAL PARAMETERS HEAT COOL DEFROST -20.0 ALARM START‐STOP CONTINUOUS +34.5 F SETPOINT BOX TEMPERATURE PRESS ↑ ↓ TO VIEW SETTINGS MANUAL DEFROST ALARM LIST START‐STOP/ CONTINUOUS SELECT 1. Press the SELECT key until the MessageCenter displays “PRESS ↑↓ TO VIEW SETTINGS”. 2. By pressing the UP ARROW key, you will move through the Functional Parameter list beginning at the top or by pressing the DOWN ARROW key, you will move through the list beginning at the bottom. 3.
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Table 3-2 Functional Parameters FUNCTION PARAMETER SELECTIONS DESCRIPTION NOTES: Selections in BOLD are the default settings. Also, Functional Parameter marked with an asterisk (*) may not display in the list for this unit, depending on how the microprocessor has been configured. SILENT MODE ON OFF DEFROST INTERVAL TIMER SET FOR 1.5HRS 3HRS 6HRS 12HRS OFF - Normal engine speed operation. On - Forced low engine speed operation. Used to disable high speed.
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Table 3-2 Functional Parameters - Continued FUNCTION PARAMETER SELECTIONS DESCRIPTION OFF = Supply air temperature will be limited to the colder temperature of 32°F (0°C) or set point less the Supply Air Limit Configuration value. PERISHABLE SENSITIVE PRODUCT ON OFF TEMP CONTROL RETURN AIR SUPPLY AIR DISPLAY TEMPS IN ... FAHRENHEIT CELCIUS DISPLAY PRESSURES IN ... PSIG BAR Pressures will display in either English (psig) or Metric (bar).
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Table 3-2 Functional Parameters - Continued FUNCTION PARAMETER SELECTIONS DESCRIPTION Low Speed Startup Minutes Allows user to set the number of minutes the unit will run in low speed every time the engine starts. Press “=” to access menu. CONTINUOUS OFF Allows user to set the number of minutes the unit will run in low speed 1 TO 255MINS every time the engine starts in Continuous operation.
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3.16 LANGUAGE SELECTION HEAT COOL DEFROST -20.0 ALARM START‐STOP CONTINUOUS +34.5 F SETPOINT BOX TEMPERATURE ESPAÑOL MANUAL DEFROST ALARM LIST START‐STOP/ CONTINUOUS SELECT 1. Press and hold the SELECT key for 6 seconds until MessageCenter displays the current language (ENGLISH, ESPAÑOL, FRANÇAIS or PORTUGUÊS). 2. Press the UP or DOWN ARROW key until the MessageCenter indicates the desired language. Press the = key. The new language will now be active.
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3.17 INTELLISET HEAT COOL DEFROST +34.0 SETPOINT ALARM START‐STOP CONTINUOUS +36.5 F BOX TEMPERATURE APPLES ACTIVE MANUAL DEFROST ALARM LIST START‐STOP/ CONTINUOUS SELECT DURING START UP Observe the MessageCenter during the power up process. If an IntelliSet is running, the name of the IntelliSet will be displayed for approximately 10 seconds before the unit starts. DURING OPERATION Press the SELECT key to view current IntelliSet.
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3.17.1 Changing IntelliSets - With the = Key Enabled. NOTE: If pressing the = key does not bring up the IntelliSet message the microprocessor is not configured with this feature. To view IntelliSets, refer to the following section. HEAT COOL DEFROST +34.0 SETPOINT ALARM START‐STOP CONTINUOUS +36.5 F BOX TEMPERATURE APPLES ACTIVE MANUAL DEFROST ALARM LIST START‐STOP/ CONTINUOUS SELECT 1. PRESS the = Key to display current IntelliSet. 2.
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3.17.2 Changing IntelliSets - Without the = Key Enabled. HEAT COOL DEFROST ALARM START‐STOP CONTINUOUS +34.0 +36.5 F SETPOINT BOX TEMPERATURE PRESS ↑ ↓ TO VIEW INTELLISETS MANUAL DEFROST ALARM LIST START‐STOP/ CONTINUOUS 1. Press the SELECT key until MessageCenter displays “PRESS ↑↓ TO VIEW INTELLISETS”. 2. When the UP ARROW key is pressed, the IntelliSet List will scroll up, beginning at the bottom.
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3.18 STOPPING UNIT WARNING Always place the Main Power switch in the OFF position and turn off the high voltage power supply before disconnecting the high voltage power plug from the unit. unit off ENGINE OFF STANDBY To stop the unit, place the Main Power switch in the OFF position. The diesel engine or compressor will stop and the microprocessor will display “MICRO WILL STOP IN ## SECONDS”.
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b. Sensor Data 3.19 DataLink DATA RECORDER This information is recorded at pre-determined intervals as a snapshot of the sensor at the time of the recording, or an averaged reading of the sensor readings since the last recording. The user can determine which sensor(s) will be recorded, at what intervals, and whether snapshot or averaged readings are preferred. (Snapshot readings of sensors are also taken at the time of a shutdown alarm.
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The DataTrak Option installation can be confirmed by scrolling through the Unit Data (refer to Section 3.13). DataTrak will be listed under the Installed Options heading if it is installed. 3.20 OPTIONS 3.20.1 DataTrak DataTrak allows remote communication with the Advance microprocessor (cellular, satellite, etc). Once DataTrak is installed, the Advance Microprocessor must be properly configured for the provider that will be connecting to it (refer to section 5.2.1).
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3.20.2 Remote Control Panel 10 9 8 1 Control panel power on LED 2 System ON/OFF key 3 Reset Button 4 Manual defrost key 5 Control panel lock LED 6 HEAT mode LED 7 COOL mode LED 8 Set point display 9 Up and down arrow keys 10 Temperature display 7 6 1 2 TEMP. DISPLAY 3 4 5 SET POINT DISPLAY WAITING FOR COMMUNICATION WITH MICROPROCESSOR UNIT WAS TURNED OFF VIA REMOTE CONTROL UNIT IN DEFROST MODE TEMPERATURE SENSOR MALFUNCTION P1 DISPLAYED WHEN SETTING PRE-SET SETPOINTS NOTE: 1.
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a.Starting Unit with Remote Control Panel NOTES 1. The unit can be shutdown using either the remote panel or the unit switch panel mounted Main Power switch. The remote panel cannot operate if the unit switch panel mounted Main Power switch is in the OFF position. 2. In order to prevent a constant drain on the battery, the remote panel will de-energize after two hours. If the panel is equipped with a RESET button, press the button to re-energize the panel.
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c.Lock / Unlock the Remote Control Panel LOCKING THE PANEL: Press and hold the Carrier Logo for approximately one second and then release. The lock indicator light will illuminate. UNLOCKING THE PANEL: Press the Carrier Logo for 10 seconds The lock indicator light will de-energize. CARRIER LOGO LOCK INDICATOR LIGHT d. Pre-setting Set Point With Remote Control Panel The control panel allows the user to pre-set 5 different temperatures.
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e. Removing Pre-Set Set Points With Remote Control Panel 1. Place the unit switch panel mounted Main Power switch in the desired position. 3. Press UP ARROW for 10 seconds. P1 will be displayed. 4. Set temperature to lowest pre-set set point and OFF will be displayed 2. Press Carrier logo and the lock light will illuminate.
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SECTION 4 − ENGINE/STANDBY/TEMPERATURE CONTROL 1 PARAGRAPH NUMBER Page 4.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4−1 4.2 ENGINE/STANDBY OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4−1 4.2.1 Standby Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4−1 4.2.
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SECTION 4 ENGINE/STANDBY/TEMPERATURE CONTROL NOTES 1. If the unit is in an alarm condition, the microprocessor alarm response may override the operation described herein. If an alarm is displayed in the MessageCenter, refer to the specific alarm description in Section 7 for “Unit Control” descriptions. 2. With the complex control systems in use with the Advance microprocessor there are many user selected and preprogrammed software overrides which may change the operation of the unit. Refer to Sections 4.
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The engine start sequence consists of periods of time with the intake air heater relay (IAHR) or glow heater relay (GPR) and starter solenoid relay (SSR) energized and de-energized for up to three start attempts. See Figure 4−1. If the unit is equipped with a fuel heater, the microprocessor will monitor ambient temperature. If ambient is below 77°F (25°C) power will be supplied to the fuel heater relay (FHR).
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perature is equal to or less than 0.36 F (0.2 C) above set point. NOTES 1. The compressor is always started with both unloaders energized (unloaded). After 10 seconds of operation (for UL1) or 1 minute of operation (for UL2) they are allowed to transition to the unloader state required for the present mode of operation. 4.3.4. Defrost Refer to Section 4.6 for a description of defrost. 4.3.5.
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If SEPARATE is selected, then the following Functional Parameter values will be available for use: and shutdown will be allowed when battery voltage is at or above the calculated value. • PERISHABLE MINIMUM RUN TIME TIP When the microprocessor is powered up, the status of the unit battery can be readily checked by reading the Battery Voltage in the Data List. If “OK.” appears after the voltage reading, battery voltage is sufficient to allow the unit to cycle off.
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The MINUMUM OFF TIME parameter value may be set from 10 to 90 minutes in 1 minute intervals. The factory default setting is 20 minutes. The RESTART TEMPERATURE value may be set from 0.5 to 18 F (2 to 10 C) in 0.5 (F or C) increments. The factory default is 5.5 F (3 C). 4.4.3 Re-Start Parameters While the unit is in a Start-Stop OFF Cycle, restart will be initiated when one of the following conditions occurs: 1. Engine coolant temperature drops below selected microprocessor Configuration value 5.
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When Null Mode is required and the system is operating in: while the engine, condenser fan and evaporator fan will continue to operate. • Engine Operation, the compressor will shutdown • Standby Operation, the compressor will shutdown while the evaporator fan will continue to operate. FALLING REFRIGERATED COMPARTMENT TEMPERATURE SWITCH POINT Pulldown = High Speed 6 Cylinder COOL* +3.2 F (+1.8 C ) +1.6 F (+0.9 C ) +0.9 F (+0.5 C ) Set point -0.4_F (-0.2_C) +3.6 F ( +2.
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FALLING REFRIGERATED COMPARTMENT TEMPERATURE SWITCH POINTS Transition to low speed at Start-Stop Override Functional Parameter Value + 1 (+5.4 to 19.85F = +3 to 115C) Pulldown = High Speed 6 Cylinder COOL Low Speed 6 Cylinder COOL Enter high speed at Start-Stop Override Functional Parameter Value + 2 (+7.2 to 23.45F = +4 to 125C) Enter cool at Start-Stop Override Functional Parameter Value (+3.6 to 185F = +2 to 105C) Set point Set point NULL -1.3 F (-0.7 C) -1.4 F (-0.8 C) Low Speed HEAT HTCON1 -3.
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4.6 DEFROST the engine will operate in low speed when the heaters are de-energized. Defrost is an independent cycle overriding cooling and heating functions in order to de-ice the evaporator. When the unit is in defrost, the DEFROST LED will be on, the MessageCenter will display DEFROST CYCLE STARTED for 5 seconds. The center of the Main Display will show “dF”. However, defrost will not be allowed when the 1DDT is above 40.0 F (4.4 C). Normal Defrost Mode will be entered if RAT is less than 39.2 F (4.
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Configuration (each of which can be set from 0 to -21.6 F [0 to -12 C]). 4.7. USER SELECTED OVERRIDE OPERATION Three optional software override programs are available to the user. These programs include: Supply Air Limit Control, Temperature Range Lock and ProductShield. Information on how the unit operates under these programs is provided in the following sub-paragraphs.
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each IntelliSet is generally programmed for a specific product, only Range Lock 1 is used to hold the unit in either the Start/Stop or Continuous Operation, and Range Lock 2 is left off. 4.7.2 Temperature Range Lock 1 & 2 Range Lock is a group of Configurations which may be set to lock the unit into Start-Stop or Continuous Operation for various set point ranges. For example (see Figure 4−4), if Continuous Operation is ALWAYS required whenever the set point is between 28°F and 55°F (-2.2°C and +12.
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Range 1 always has priority when Range 1 & 2 overlap Range 1 is set for 325 to 425F (05 to 5.65C) Set for Continuous Range 2 is set for -225 to 89.65F (-305 to 325C) Set for Start-Stop Range 2 Range 1 5F -22 -10 5C -30 -23.3 0 10 -17.8 -12.2 20 -6.7 30 -1.1 40 50 60 70 80 4.4 10.0 15.6 21.1 26.7 Figure 4−5 Range Lock Settings - Overlapping • The unit is not already running in ProductShield Winter. (See Section c.) 4.7.
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met in order for the unit to return to ProductShield Econo: Start/Stop. Example 4 If both the Minimum and Maximum are set to OFF, ProductShield Econo: Go To Continuous can not operate as there is no range for the ambient to fall outside of. ProductShield Econo: Go To Start/Stop Examples: The following examples apply in situations where all other Start/Stop conditions have been met. Example 1 If the Minimum is set to 30°F (-1.1°C) and the Maximum is set to 40°F (4.
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ProductShield High Air Examples 4.8.2 Compressor Minimum Operating Time Example 1 If the Minimum is set to 0°F (-17.8°C) and the Maximum is set to 90°F (32.2°C) and the ambient air temperature falls outside these temperatures, the unit operation can change to High Air Operation. Each time the compressor is started it must operate for a minimum of 3 minutes before it can be de-energized. If, during the 3 minutes, the unit is operating in the Frozen Range (refer to Section 4.3.
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6. Defrost. NOTE Generally, the unit will go into an off cycle from high speed when this condition occurs. However, if one of the required conditions for shutdown is no longer met during this time, (for example, the battery voltage drops below the configured value, or the charging amps increase above the configured value, or the engine coolant temperature drops below 122°F (50°C), the engine may return to low speed operation until the shutdown condition is satisfied, then shutdown from low speed.
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unless the compressor is restarting following a defrost cycle. If the compressor discharge temperature (CDT) becomes greater than 284°F (140°C) or the system returns to Pulldown mode 10 minute will be overridden and the unloaders will de-energize (load) as required. 9. High Discharge Pressure. If the compressor discharge pressure reaches 435 psig (29.
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14.High Speed Pulldown. DTT, the unit will go into low speed and all electric heaters will be de-energized. The unit will remain in defrost with the heaters de-energized until the return air temperature is less than 90°F (32°C).
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SECTION 5 − MICROPROCESSOR INTERFACE 1 PARAGRAPH NUMBER Page 5.1 INTERFACE METHODS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5−1 5.2 TECHNICIAN INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5−1 5.2.1 Configuration Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5−2 5.2.2 5.2.3 5.3 5.
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SECTION 5 MICROPROCESSOR INTERFACE service the refrigeration system. To place the microprocessor in the Technicians Interface Mode: 5.1 INTERFACE METHODS There are five methods for interfacing with the Advance microprocessor; a. Place the Main Power switch in the OFF position. b. Locate the serial download port (item 14, Figure 2−3) remove the protective plug to gain access to the wire terminals. 1. Operator Interface - using the keypad. 2. Technician Interface - using the configuration jumper. c.
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a. Enter the Technician Interface - Component Test Mode as described in Section 5.2. 5.2.1 Configuration Mode a. Enter the Technician Interface - Configuration Mode as described in Section 5.2. b. To read through the Component Test list, press either the UP or DOWN ARROW keys. The list is circular, meaning that once the end is reached, it is repeated from the beginning. Refer to Table 5−1 for a list of component tests available. b.
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Component / Menu List Table 5−1 Component Test MessageCenter Green Light Amber Light Defrost Light Front Unloader (UL1) Rear Unloader (UL2) Speed Relay (SR) Buzzer (B) Glow Plug (Intake Air Heater) Relay (GP or IAHR) LIGHT OFF IN X MINS LIGHT OFF IN X MINS LIGHT OFF X MINS UL1 OFF IN X MINS UL2 OFF IN X MINS SR OFF IN X MINS BUZZER OFF IN X MINS RELAY OFF IN X MINS Heater Contactor 1 (1HTCON1) HEATER CONT 1 OFF IN 5 MINS Heater Contactor 2 (1HTCON2) HEATER CONT 2 OFF IN 5 MINS Evaporator Motor Contactor
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Cards. General instructions for using the cards is provided in Figure 5−3. Specific information on use is provided in the following sub-paragraphs. C B NOTE For diagnoses of problems with the microprocessor, DataLink data recorder downloading, file analysis using Reports or use of PC cards, refer to Section 9.6 A D Insulated Jumper E 5.4.
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1. Power the microprocessor by toggling the Main Power switch out of the OFF position or enter PC Mode (refer to section 5.3). FAULT LED 2. Insert the card into the PC card slot on the front of the microprocessor. Be certain that the instruction label is facing the “Caution” label. Do not force card into slot. Hold the card at the end opposite the plug end. DO NOT squeeze the card in the middle while inserting. CAUTION 3.
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5.4.4 Option PC Card NOTE All units should have the microprocessor software upgraded to the latest production software, provided for Carrier Transicold dealers on the TransCentral site, except for those units that are listed in the “Field Test Software” section. For units listed in the “Field Test Software” section, ensure the latest software for that unit is installed. Option PC Cards allow installation of optional programming into the microprocessor. Cards may be purchased with five or ten “clicks”.
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NOTE Beginning with Reefer Manger version 03.08.00, USB to RS-232 adapter cables are supported for communication between the PC and the Download connector. The USB – RS232 program must be installed from the CD-ROM, and the instructions that are included with the CD-ROM must be followed to successfully assign the USB driver to the correct USB port on the PC that will be used for the serial connection. Refer to bulletin SER09-033 for further information. a.
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e. With the negative meter lead on QC2 (without removing the spade connector), test voltage at the microprocessor 6MP4 terminal, see Figure 5−5. If nominal 5 VDC is not present, the microprocessor has failed and must be replaced. 5.6 MICROPROCESSOR DISPLAY DIAGNOSTICS Before replacing a microprocessor or display, the following procedure should be done to determine if the problem is with the microprocessor, display or interconnecting wiring. f. Plug the 6MP connector back into the microprocessor. g.
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Engine Protect Hours. Switch On Protect Hours. Most electronic components are susceptible to damage caused by electrical static discharge (ESD). In certain cases, the human body can have enough static electricity to cause resultant damage to the components by touch. This is especially true of the integrated circuits found in the Advance microprocessor. Engine Sleep Hours. Standby Hours. Switch On Sleep Hours. High Speed Hours. Start Cycles. Date and Time.
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i. Using the same key presses as in step g., continue to enter the correct numerical value for the Day, Year, Hour and Minute. Hours are displayed and entered as a 24 hour clock. 0 to 12 is AM. 13 to 24 is PM. 5.7.3 Microprocessor Setup a. Ensure that the replacement microprocessor is in place, all wires connected and the negative battery cable is reconnected. b. Power up the microprocessor by toggling the Main Power switch out of the OFF position.
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2. After the unit specific and time sensitive configuration settings are complete use the UP or DOWN ARROW keys until “CONFIGS COMPLETE, = TO EXIT” is displayed in the MessageCenter. Press the = key to save. Section 5.5 step c.). You will need ReeferManager version 03.08.00 or higher. 3. If the Configurations, Functional Parameters and DataLink data recorder setup will be set from the keypad and /or ReeferManager, continue with following steps. c.
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Table 5−2 Microprocessor Configurations NOTE Configurations are presented at the beginning of the list and progressing using the green UP arrow key Configuration UNIT MODEL NUMBER # Selections Unit Family types, and then a list of configurable model numbers UNIT SERIAL NUMBER # TRAILER ID # Description Indicates to the microprocessor the model number of the unit. There are several model numbers provided in the list.
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Table 5−2 Microprocessor Configurations - Continued Configuration RPM ALARM SHUTDOWN: LOW PRESSURE SHUTDOWN LP SHUTDOWN DELAY Selections YES / NO Description YES = When the A39 - “CHECK ENGINE RPM” alarm is activated the alarm light will illuminate and the engine will shutdown. NO = When When the A39 - “CHECK ENGINE RPM” alarm is activated the alarm light will illuminate and the engine will continue to run.
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Table 5−2 Microprocessor Configurations - Continued Configuration Selections 12.2V 12.0 TO 12.8V Description The engine will restart from a Start-Stop Off cycle or a Sleep Mode Off cycle when the battery drops to this value. A lower selection may result in a longer off cycle (based on battery voltage) and possibly overall shorter battery life. A higher selection may result in a shorter off cycle (based on battery voltage) and possibly overall longer battery life. 105F (-12.25C) 10°F to 32°F (-12.
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Table 5−2 Microprocessor Configurations - Continued Configuration Selections NO DEVICE SWITCH INSTALLED 0-5 VDC 0.25-4.75 VDC Description NO DEVICE = There is no fuel level sensor installed in the fuel tank. SWITCH INSTALLED = A low fuel level switch is installed in the fuel tank. 0-5 VDC = An older style low fuel level sensor (5 bolt mounting flange) with a 0 to 5 VDC signal range is installed in the fuel tank. 0.25-4.75 VDC = A low fuel level sensor with a 0.25-4.
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Table 5−2 Microprocessor Configurations - Continued Configuration Selections YES / NO DISPLAY STANDBY RUN HR YES / NO DISPLAY TOTAL SWITCH ON HR DIESEL RESET VALUE (Refer to Table 8−1 for oil/filter change intervals.
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Table 5−2 Microprocessor Configurations - Continued PM 1 - 5 RESET INTERVAL Note: This Configuration will not display for those meters that are configured OFF.
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Table 5−2 Microprocessor Configurations - Continued PRODUCTSHIELD ECONO MIN TEMP OFF or -20°F to +119.0°F (-28.9°C to +48.4°C ) (in 0.5° increments) Default: 119.0°F (48.4°C ) OFF = There is no lower limit for this parameter. Select the lowest ambient temperature desired to activate ProductShield Econo. If ProductShield Econo is Go To Continuous there is a minimum 10°F range. Therefore, this parameter’s upper limit is ProductShield Econo Maximum Temperature minus 10°F (5.5°C).
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Table 5−2. Microprocessor Configurations - Continued Configuration Selections OFF START-STOP CONTINUOUS Description OFF = If both Range Locks are OFF, the unit will operate normally. If either Range 1 or Range 2 is not OFF, the unit will operate as selected whenever the set point is within that range START-STOP = The unit will always operate in Start-Stop whenever the setpoint is between the minimum & maximum temperatures for that range (see the following sub-configurations).
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Table 5−2. Microprocessor Configurations - Continued Configuration DOOR SWITCH Selections SWITCH NOT INSTALLED DOOR OPEN SWITCH OPEN DOOR OPEN SWITCH CLOSED Description SWITCH NOT INSTALLED = There is no door switch. DOOR OPEN SWITCH OPEN = A Door switch has been installed. The switch contacts will be OPEN whenever the door is OPEN. DOOR OPEN SWITCH CLOSED = A Door switch has been installed. The switch contacts will be CLOSED whenever the door is OPEN.
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Table 5−2. Microprocessor Configurations - Continued Configuration REMS1 (Remote Switch 1) OR REMS2 (Remote Switch 2) NOTE If the configuration is set for a switch, not for a panel, the following sub configuration will also be available. • REMS1 OR • REMS2 Selections NOT INSTALLED DOOR OPEN SWITCH OPEN DOOR OPEN SWITCH CLOSED SWITCH ON CONTACTS OPEN SWITCH ON CONTACTS CLOSED REMOTE PANEL Description Switch not installed = There is no remote switch or panel.
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Table 5−2. Microprocessor Configurations - Continued Configuration Selections YES / NO Description YES = Natural defrost will be allowed NO = Natural defrost will not be allowed Refer to Section 4.6 for more information on natural defrost) NOT DISPLAYED NOT DISPLAYED = set point will not be shown with a decimal. All other temperatures will still be displayed with a decimal. DISPLAYED = set point will be shown with a decimal and temperatures may be selected to a tenth of a degree.
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Table 5−2. Microprocessor Configurations - Continued Configuration RAIL OVERRIDE RESTARTS: Selections 1-20 3 ENABLE INTELLISET AT = KEY NO YES SUPPLY AIR LIMIT FOR S/S -21.6° to 0° F (-12° to 0°C ) in 0.5°F or °C increments. DEFAULT: -21.
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SECTION 6 − MESSAGECENTER 1 6 PARAGRAPH NUMBER Page 6.1 MESSAGECENTER MESSAGES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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SECTION 6 MESSAGECENTER 6.1 MESSAGECENTER MESSAGES The following table lists all of the messages which do not appear in other lists in this manual and a description of their meaning. Refer to Section 7 for a list of alarm messages. Refer to Section 3.13 for a list of Unit Data messages. Refer to Section 3.15 for a list of Functional Parameter messages. Refer to Section 5.2.1 for a list of Configuration messages.
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MessageCenter MESSAGES - Continued Message CARD LOCKED - REMOVE CARD CARD REMOVED, DATA NOT COPIED CARD REMOVED, REINSERT CARD CFG: =TO LOAD,↑ TO CANCEL CHANGE INTELLISET TO EXIT CHARGE MODE-HOLD=TO EXIT CHECK AT NEXT SERVICE INTERVAL CHECK DOOR CHECK FUEL LEVEL (Requires Optional Sensor) CHK WIRES FROM MICRO TO KEYPAD COMPONENT TEST MODE CONFIG ERROR, REMOVE CARD CONFIGS COMPLETE,= TO EXIT CONFIGURATION MODE CONFIGURATION NOT CHANGED CONTINUOUS LOCKED CONTINUOUS RUN MODE SELECTED COPY COMPLETE, REMOVE CARD
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MessageCenter MESSAGES - Continued Message DOOR OPEN - LOW SPEED ENTERING SERVICE MODE ERROR: ENG HRS > SWITCH ON HOURS ERROR: HI SP HRS > TOTAL ENG HOURS Description A refrigerated compartment door is open forcing the unit to run in low speed. The initial message for Service Mode.
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MessageCenter MESSAGES - Continued Message MICRO WILL STOP IN XXX SECONDS MIN SETPOINT HAS BEEN REACHED MODIFIED NEW SW: = TO LOAD, TO ↑ CANCEL Description The Main Power switch has been placed in the OFF position and the system valves are closing. The display will turn off when the count down reaches zero. Minimum Set Point allowed by configuration settings has been reached.
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MessageCenter MESSAGES - Continued Message PRETRIP FAIL & COMPLETED PRETRIP FAIL IN TEST XX PRETRIP PASS PRETRIP STOPPED BY USER PRODUCTSHIELD: ECONO ON PRODUCTSHIELD: HIGH AIR ON PRODUCTSHIELD: WINTER ON READY TO INSTALL SOFTWARE RECOVER / LEAK CHK / EVAC MODE REMOVE CARD - BATTERY TOO LOW REMOTE SWITCH 1 (2) OPEN REMOTE SWITCH 1 (2) OPEN - LOW SPEED REMOVE JUMPER SAME SW, = TO LOAD, ↑ TO CANCEL SERVICE MODE SETPOINT CHANGED SETPOINT NOT CHANGED SETTING SMV: XXX % SLEEP MODE, OFF / ON TO WAKE SLEEP WARNIN
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MessageCenter MESSAGES - Continued Message START STOP LOCKED START-STOP MODE SELECTED STATUS OK TECHNICIAN RESET REQUIRED (A21) Description The set point has been locked into Start-Stop Operation. Continuous Run can not be selected. Start-Stop Operation has been selected. The unit is operating correctly. AL11 (Low Engine Oil Pressure) or AL12 (High Coolant Temperature) has been activated three times in the last two hours and the unit has been locked out.
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SECTION 7 − ALARM TROUBLESHOOTING 1 PARAGRAPH NUMBER Page 7.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7−1 7.2 NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7−2 7.3 DRIVER / OPERATOR ALARMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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SECTION 7 ALARM TROUBLESHOOTING problem is not obvious, this troubleshooting guide will be of assistance. WARNING Troubleshooting should begin with the first alarm that appears in the active alarm list. The first alarm that appears is the last alarm that was recorded. Other alarms in the list may have contributed to the occurrence of the first alarm. Advance microprocessor equipped units may start automatically at any time the Main Power switch is not in the OFF position.
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switch labeled STANDBY/ENGINE (DES) in the STANDBY position and then place the SROS in the START/RUN position. 7.2 NOTES Note 1 The active alarm list may be cleared by scrolling to the end of the list. “LIST END, = TO CLEAR ALARMS” will appear in the MessageCenter. Pressing = will inactivate the alarms. That is: the alarm is “cleared” from the active alarm list and moved to the inactive alarm list for later review if the condition that caused the alarm has been corrected.
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Alarm NO. 1 Steps Alarm/Cause Corrective Action 7.3 DRIVER / OPERATOR ALARMS LOW FUEL LEVEL WARNING Note: This is an optional alarm which will not occur unless a fuel level sensor is present and configured ON. • TRIGGER ON: Fuel level is 15% or less for more than 30 seconds. • UNIT CONTROL: Engine Operation: Alarm only. Standby Operation: this alarm will not activate in standby Operation.
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Alarm NO. 11 Steps Alarm/Cause Corrective Action 7.4 SHUTDOWN ALARMS LOW ENGINE OIL PRESSURE • TRIGGER–ON: Engine oil pressure is below 12 psig (0.82 bar) for longer than 5 seconds while the engine is running. • UNIT CONTROL: • RESET CONDITION: Auto Reset or Alarm may be manually reset via Keypad or by turning the unit off, then back on again. Engine Operation: Shutdown and alarm. Standby Operation: Will not activate in standby. NOTE: Follow the steps below until a problem is found.
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Alarm NO. 12 Steps Alarm/Cause Corrective Action HIGH COOLANT TEMPERATURE • TRIGGER–ON: When in Engine Operation: for ambient temperatures below 120°F (48.9°C) Engine coolant temperature is above 230°F (110°C), or Ambient temperatures above 120°F (48.9°C), engine coolant temp is over 241°F (116°C), or Engine coolant temperature is between 230 and 241°F (110 and 116°C) for more than 5 minutes.
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Alarm NO. 12 Steps Alarm/Cause Corrective Action HIGH COOLANT TEMPERATURE - Continued 7. Check Engine Coolant Temperature Sensor Wiring a. Inspect harness & control box No physical damage to harness. connector pins & terminals. (See No damage or corrosion in connectors. wiring schematic Section 10.) b Check voltage at the sensor conVoltage reading should be 2.5 $ 0.1 VDC. This verinector with the microprocessor fies microprocessor output and wiring connections to powered up. sensor. 8.
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Alarm NO. Steps 13 • Alarm/Cause Corrective Action HIGH DISCHARGE PRESSURE (ALARM 75 WILL ALSO ACTIVATE) TRIGGER–ON: Compressor discharge pressure switch (HP1) contacts are open. HP1 contacts open when the discharge pressure rises to 465 psig (31.6 bar.) • UNIT CONTROL: • RESET CONDITION: Auto Reset after 15 minutes if the compressor discharge pressure falls below 350 psig (23.8 bar), or alarm may be manually reset via keypad or by turning the unit off, then back on again.
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Alarm NO. 14 Steps Alarm/Cause Corrective Action HIGH A/C AMPS • TRIGGER–ON: AC Current Sensor 1 is greater than 40A or AC Current Sensor 2 is greater than 40A for 3 seconds. • UNIT CONTROL: • RESET CONDITION: Auto reset after 15 minutes if the AC current sensor reading is less than 38 amps or alarm may be manually reset via keypad or by turning unit off then back on. Engine Operation: Alarm will not activate. Standby Operation: Refrigeration system shutdown and alarm with PSCON still energized.
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Alarm NO. 15 Steps Alarm/Cause Corrective Action BATTERY VOLTAGE TOO HIGH • TRIGGER–ON: Voltage at the microprocessor is greater than 17 VDC. • UNIT CONTROL: • RESET CONDITION: Auto Reset after 15 minutes when the voltage at the microprocessor is between 11 and 14 VDC, or alarm may be manually reset via keypad or by turning the unit off, then back on again. Engine Operation: engine and unit shutdown and alarm. Standby Operation: refrigeration system shutdown and alarm with PSCON still energized.
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Alarm NO. 16 Steps Alarm/Cause Corrective Action BATTERY VOLTAGE TOO LOW • TRIGGER–ON: Voltage at the microprocessor is less than 10 VDC (except when the engine starter is engaged.) • • UNIT CONTROL: Unit Shutdown & Alarm. Alarm condition only if activated while starting unit. RESET CONDITION: Auto Reset after 15 minutes when the voltage at the microprocessor is between 11 - 14 VDC, or alarm may be manually reset via keypad or by turning the unit off, then back on again.
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Alarm NO. 17 Steps Alarm/Cause Corrective Action HIGH COMP DISCHARGE TEMP • TRIGGER–ON: Discharge sensor alarm not active AND: Ambient temp below 120°F (48.9°C) and discharge temp was between 310 and - 349°F (154.4 to - 176.7°C) for 3 minutes, or Ambient temp above 120°F (48.9°C) and discharge temp was between 340 and - 349°F (171.1 and - 176.7°C) for 3 minutes, or Discharge temp ever reaches 350°F (176.7°C.
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Alarm NO. 18 Steps Alarm/Cause Corrective Action LOW REFRIGERANT PRESSURE • TRIGGER–ON: The compressor is operating with the suction pressure less than -10 in Hg (-0.3 BAR), with both the Front (UL1) and the Rear (UL2) unloaders energized, and the time that is selected for the LP Shutdown Delay Configuration has expired since UL1 was energized (Note: The MessageCenter does not display in.Hg. This alarm triggers on when the display shows less than -4.7 psig.
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Alarm NO. 18 Steps Alarm/Cause Corrective Action LOW REFRIGERANT PRESSURE - Continued 7 Check Evaporator Sections a. Check evaporator section, return Good Air Flow. air bulkhead, air chute & cleanliReturn air not restricted. ness of evap. coil. Air chute in good condition. No damage to evaporator fan motor assemblies. Evap. coil clean. Evap. fan rotation ok. b. Check airflow (with unit running.) Even airflow through the entire coil. No “dead” spots.
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Alarm NO. 19 Steps Alarm/Cause Corrective Action LOW FUEL SHUTDOWN Note: This is an optional alarm. This alarm will not occur in Standby Operation or if the Fuel Level Sensor Configuration is NO DEVICE or if the Fuel Tank Size Configuration is OFF. • TRIGGER ON: The unit is operating in Engine Operation and the fuel level is 10% or less for more than 1 minute AND Alarm 126 - “Check Fuel Sensor Circuit” is not active.
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Alarm NO. 20 Steps Alarm/Cause Corrective Action MAXIMUM COMPRESSOR ALARMS • TRIGGER ON: This option must be installed and alarm must be enabled by configuring the Compressor Alarm Shutdown to YES. Alarms 13, 17, 18, 27 or 28 individually occur 3 times within the last 2 hours. • UNIT CONTROL: Engine Operation: engine and unit shutdown and alarm. Standby Operation: refrigeration system shutdown and alarm with PSCON still energized. • RESET CONDITION: Reset from inactive alarm list only.
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Alarm NO. 22 Steps Alarm/Cause Corrective Action LOW SUCTION SUPERHEAT • TRIGGER ON: Compressor suction superheat (Compressor Suction Temperature [CST] minus saturated temperature for Compressor Suction Pressure [CSP] refer to Table 8−7) is less than 9°F (5°C) for more than 2 minutes. • UNIT CONTROL: Engine Operation: engine and unit shutdown and alarm. Standby Operation: refrigeration system shutdown and alarm with PSCON still energized.
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Alarm NO. 22 Steps Alarm/Cause Corrective Action LOW SUCTION SUPERHEAT - Continued 5 Check Compressor Suction Temperature (CST) and Evaporator Outlet Temperature (Cont’d) (EVOT) sensors - Continued. e. Inspect EVOT & connector. No damage to sensor. No damage, moisture, or corrosion in connector. f. Check EVOT resistance. (See Note 3 page Note 3.) 10,000 Ohms @ 77°F (25°C.) Refer to Table 8−5 for complete table of temperatures and resistance values. g. Check voltage at harness connec- Must be 2.5 $0.
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Alarm NO. Steps 23 Alarm/Cause Corrective Action A/C CURRENT OVER LIMIT • TRIGGER ON: The high voltage amp draw is over the limit shown in the following table for more than 10 seconds.
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Alarm NO. 23 Steps Alarm/Cause Corrective Action A/C CURRENT OVER LIMIT - Continued 4 Check High Voltage Components Amp Draw a. Check condenser fan amp draw on These checks must be made with the unit operating. all legs. (CDCON) WARNING b. Check evaporator fan motor amp draw on all 3 legs (1EVCON) Caution and good electrical practices must be used when working around and with c. Check compressor amp draw on all high voltage circuits. 3 legs. (CCON) d. Check heater amp draw.
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Alarm NO. 27 Steps Alarm/Cause Corrective Action HIGH SUCTION PRESSURE • TRIGGER ON: The refrigeration system is running and the suction pressure has been greater than 98 psig (6.7 bar) for more than 10 minutes. • UNIT CONTROL: Engine Operation: alarm only or (if configured for shutdown) engine and unit shutdown and alarm. Standby Operation: alarm only or (if configured for shutdown) refrigeration system shutdown and alarm with PSCON still energized.
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Alarm NO. Steps 28 Alarm/Cause Corrective Action CHECK REFRIGERATION SYSTEM • TRIGGER ON: The compressor is running and the discharge pressure is less than 5 psig (0.34 bar) higher than suction pressure for more than 10 minutes. • UNIT CONTROL: Engine Operation: alarm only or (if configured for shutdown) engine and unit shutdown and alarm. Standby Operation: alarm only or (if configured for shutdown) refrigeration system shutdown and alarm with PSCON still energized.
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Alarm NO. 30 Steps Alarm/Cause Corrective Action 7.5 START UP / ENGINE ALARMS FAILED TO RUN MINIMUM TIME • TRIGGER–ON: The unit has shutdown on an alarm 3 times without having run for at least 15 minutes between each shutdown (not including Door shutdowns.) • UNIT CONTROL: • RESET CONDITION: Alarm may be manually reset via keypad or by turning the unit off, then back on again. If the Unit Operation configuration is set to Rail Mode, this alarm will reset after 4 hours.
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Alarm NO. 31 Steps Alarm/Cause Corrective Action FAILED TO START - AUTO MODE • TRIGGER–ON: Engine has tried to start three times unsuccessfully in the auto start mode. • UNIT CONTROL: Unit Shutdown & Alarm • RESET CONDITION: Alarm may be manually reset via keypad or by turning the unit off, then back on again. If the Unit Operation configuration is set to Rail Mode, this alarm will reset after 4 hours. NOTE: Follow the steps below until a problem is found.
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Alarm NO. 31 Steps Alarm/Cause Corrective Action FAILED TO START - AUTO MODE - Continued 6 Check Engine Air–intake Heater System (This step only applies when the engine coolant temperature is less than 77°F (25°C.) a. Check voltage to heater. Must be 11 VDC or higher b. Check operation of intake air heater CAUTION relay. DO NOT leave the circuit energized for the full 5 minutes if full amperage is shown, as the intake air heater element life will be greatly shortened.
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Alarm NO. Steps 34 • Alarm/Cause Corrective Action ENGINE FAILED TO STOP TRIGGER–ON: When in Engine Operation, engine is turning more than 500 RPM for 20 seconds after unit shutdown or cycled off or Oil Pressure switch is closed longer than 20 seconds after unit shutdown or cycle off. • UNIT CONTROL: • RESET CONDITION: Alarm may be manually reset via keypad or by turning the unit off, then back on again. Engine Operation: engine and unit shutdown and alarm.
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Alarm NO. 35 Steps Alarm/Cause Corrective Action CHECK STARTER CIRCUIT • TRIGGER–ON: Engine speed fails to reach 50 RPM during 2 start attempts. • UNIT CONTROL: • RESET CONDITION: Change unit to standby Operation or alarm may be manually reset via keypad or by turning the unit off, then back on again. Engine Operation: engine and unit shutdown and alarm. Standby Operation: this alarm will not activate in standby Operation. NOTE: Follow the steps below until a problem is found.
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Alarm NO. 36 Steps Alarm/Cause Corrective Action CHECK COOLANT TEMPERATURE • TRIGGER–ON: Coolant temperature is below 32°F (0°C) after the engine has been running for 5 minutes. • UNIT CONTROL: • RESET CONDITION: Auto reset when coolant temperature is higher than 36°F (2.2°C) or alarm may be manually reset via keypad or by turning the unit off, then back on again. Engine Operation: alarm only. Standby Operation: this alarm will not activate in standby Operation.
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Alarm NO. 37 Steps Alarm/Cause Corrective Action CHECK LOW SPEED RPM • TRIGGER–ON: The microprocessor is set for low engine speed operation, and engine speed is: less than 1200 rpm, or greater than 1500 rpm for more than 60 seconds (120 seconds when the microprocessor calls for a change from high to low speed, or when unit first starts).
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Alarm NO. Steps 38 • Alarm/Cause Corrective Action CHECK HIGH SPEED RPM TRIGGER–ON: The microprocessor is set for high engine speed operation, and engine speed is: less than 1650 rpm, or greater than 1950 rpm for more than 60 seconds (120 seconds when the microprocessor calls for a change from low to high speed, or when unit first starts).
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Alarm NO. 38 Steps Alarm/Cause Corrective Action CHECK HIGH SPEED RPM - Continued 6 Check Engine RPM a. Check actual engine RPM using Refer to Table 2-1. hand held tachometer. b. Compare actual RPM with those Both readings within ± 50 RPM. shown on display. 7 8 62-11389 Check Engine Air–Intake System a. Check air cleaner indicator. b. Inspect air intake system. Check Engine Exhaust System Inspect the exhaust system. Flag must not be visible. Hoses & tubes in good condition. No kinks or restrictions.
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Alarm NO. Steps 39 • Alarm/Cause Corrective Action CHECK ENGINE RPM TRIGGER–ON: In Engine Operation and Alarm 130 is not active and engine speed is less than 1250 rpm for 2 seconds or greater than 2100 rpm for 5 minutes or engine speed drops to less than 1200 rpm for 3 seconds after the engine speed has been greater than 1250 rpm.
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Alarm NO. 39 Steps Alarm/Cause Corrective Action CHECK ENGINE RPM - Continued 7 Check Low Speed Engine RPM a. Check actual engine RPM using Refer to Table 2-1. hand held tachometer. b. Compare actual RPM with those Both readings within ± 50 RPM. shown on display. 8 9 Force High Speed Operation a. Place unit in continuous run and adjust set point to at least 15 degrees away from refrigerated compartment temperature, and a temperature greater than 20°F (5.
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Alarm NO. 40 Steps Alarm/Cause Corrective Action CHECK GLOW PLUGS (This alarm applies to the Intake Air Heater) TRIGGER–ON: Engine Operation: Intake Air Heater amperage is less than 25 Amps, or greater than 70 Amps after 14 seconds of glow time (NOTE: This can only occur when the Engine Coolant Temperature is below 50°F (11°C) due to the glow time allowed. Refer to Table 4−1 for glow times. Standby Operation: This alarm will not activate in standby Operation.
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Alarm NO. 41 Steps Alarm/Cause Corrective Action ENGINE STALLED • TRIGGER–ON: The engine is running, RPM sensor is good, and engine speed is less than 10 RPM; or the engine is running, RPM sensor alarm is ON, and the Oil Pressure switch contacts are open. • UNIT CONTROL: • RESET CONDITION: Auto Restart after 15 minutes, or Alarm may be manually reset via keypad or by turning the unit off, then back on again. Engine Operation: Engine and unit shutdown and alarm.
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Alarm NO. 41 Steps Alarm/Cause Corrective Action ENGINE STALLED - Continued 7 Check Engine Speed Sensor (ENSSN) Inspect harness & control box No physical damage to harness. connector pins & terminals. (See No damage, moisture, or corrosion in connectors. wiring schematic Section 10.) 8 Check Electrical System Amperage a. Check the configuration setting for Must be set for 22 - 25 Amps Diesel Max Gen Amps. b. Check the configuration setting for Must be set for 4 Amps Diesel Offset Max Amps. c.
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Alarm NO. 51 Steps Alarm/Cause Corrective Action 7.6 WARNING / STATUS ALARMS ALTERNATOR NOT CHARGING (This alarm applies to the Battery Charger) • TRIGGER–ON: Unit is running in either Engine or Standby Operation and the current flow is more than -1.0 amps (discharge) between the battery charger and the battery for 3 continuous minutes.
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Alarm NO. Steps 53 • Alarm/Cause Corrective Action BOX TEMP OUT OF RANGE TRIGGER–ON: Condition One: If the unit is running in Pulldown Mode and the SAT is not greater than 1°F (0.56°C) below the RAT or if the unit is running in Pull-Up Mode and the SAT is not above the RAT, the configured action (Alarm only after 30 minutes or Alarm and Shutdown after 45 minutes) will be activated.
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Alarm NO. Steps Alarm/Cause Corrective Action 53 BOX TEMP OUT-OF-RANGE - Continued NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, clear the alarm(s). (See Note 1 page 7−2.) Operate the unit through the appropriate modes to see if any active alarm occurs. Continue with the steps below as necessary. 1 Check Compartment Doors Inspect all trailer compartment doors. Must be closed, no air leakage. 2 Defrost Evaporator Initiate Manual Defrost Cycle.
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Alarm NO. 54 Steps Alarm/Cause Corrective Action DEFROST NOT COMPLETE • TRIGGER–ON: Defrost cycle did not complete within 45 minutes • UNIT CONTROL: Engine and standby Operation: alarm only. While this alarm is active, the Defrost Timer will be set to initiate a defrost cycle 90 minutes (1.5 hours) of unit running time after the alarm comes on. • RESET CONDITION: Auto Reset when defrost cycle is started again, or alarm may be manually reset via keypad or by turning the unit off, then back on again.
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Alarm NO. 55 Steps Alarm/Cause Corrective Action CHECK DEFROST AIR SWITCH • TRIGGER–ON: The defrost air switch has called for a defrost cycle within 8 minutes of a defrost termination for 2 consecutive defrost cycles. (The air switch contacts were closed continuously for 15 seconds before the defrost cycle was started.) • UNIT CONTROL: Engine and standby Operation: alarm only.
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Alarm NO. 57 Steps ALARM / CAUSE CORRECTIVE ACTION CHECK REMOTE SWITCH 1 (REMS1) • TRIGGER–ON: Remote Switch 1 is set to activate an alarm if the switch is activated (opened or closed, depending on switch type) for more than five seconds. • UNIT CONTROL: May be configured as alarm only, alarm and force low engine speed or alarm and shutdown. • RESET CONDITION: Alarm Only: Auto Reset after the switch has de-activated for more than five seconds.
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Alarm NO. 58 Steps ALARM / CAUSE CORRECTIVE ACTION CHECK REMOTE SWITCH 2 (REMS2) • TRIGGER–ON: Remote Switch 2 is set to activate an alarm if the switch is activated (opened or closed, depending on switch type) for more than five seconds. • UNIT CONTROL: May be configured as alarm only, alarm and force low engine speed or alarm and shutdown. • RESET CONDITION: Alarm Only: Auto Reset after the switch has de-activated for more than five seconds.
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Alarm NO. 59 Steps Alarm/Cause Corrective Action DATALOGGER (DataLink data recorder) NOT RECORDING • TRIGGER–ON: No data is being recorded by the DataLink data recorder. • UNIT CONTROL: Engine and Standby Operation: alarm only. • RESET CONDITION: Alarm may be manually reset via keypad. NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, clear the alarm(s). (See Note 1 page 7−2.
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Alarm NO. 60 Steps Alarm/Cause Corrective Action DATALOGGER (DataLink data recorder) TIME WRONG • TRIGGER–ON: The real time clock in the Data Recorder does not contain a valid date. • • UNIT CONTROL: Engine and Standby Operation: alarm only. RESET CONDITION: Auto Reset when the DataLink data recorder real time clock is reset, or alarm may be manually reset by turning the unit off, then back on again. NOTE: Follow the steps below until a problem is found.
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Alarm NO. 61 Steps Alarm/Cause Corrective Action DOOR OPEN (DS1) • TRIGGER–ON: DS1 is set to activate an alarm if the switch is activated (opened or closed, depending on switch type) for more than five seconds. • UNIT CONTROL: May be configured as alarm only, alarm and force low engine speed or alarm and shutdown. • RESET CONDITION: Alarm Only: Auto Reset after the switch has de-activated for more than five seconds.
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Alarm NO. 71 Steps Alarm/Cause Corrective Action 7.7 ELECTRICAL ALARMS BAD F2 OR F3 FUSE • TRIGGER–ON: One or more of the following fuse circuits have been open for more than 2 seconds: F2, F3 • UNIT CONTROL: • RESET CONDITION: Alarm may be manually reset via keypad or by turning the unit off, then back on again. Engine Operation: Alarm Only. If the engine shut off, see troubleshooting steps below to correct.
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Alarm NO. 73 Steps Alarm/Cause Corrective Action NO A/C POWER-CHECK POWER CORD • TRIGGER–ON: The unit is set to operate in standby AND no AC power • UNIT CONTROL: Engine Operation: this alarm will not activate in Engine Operation.
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Alarm NO. 75 Steps Alarm/Cause Corrective Action COMP MOTOR OVERLOAD • TRIGGER–ON: Compressor Motor Internal Protector (IPC) circuit is open. • UNIT CONTROL: • RESET CONDITION: Auto Reset when motor overload input is within limits, or change to engine Operation, or alarm may be manually reset via keypad or by turning the unit off, then back on again. Engine Operation: engine and unit shutdown and alarm. Standby Operation: refrigeration system shutdown and alarm with PSCON still energized.
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Alarm NO. 76 Steps Alarm/Cause Corrective Action CONDENSER MOTOR OVERHEATED • TRIGGER–ON: One or both of the condenser fan motor Internal Protectors (IP-CDM1 AND 2) circuit is open. • UNIT CONTROL: • RESET CONDITION: Auto Reset when motor overload input is within limits, or change to engine Operation, or alarm may be manually reset via keypad or by turning the unit off, then back on again. Engine Operation: engine and unit shutdown and alarm.
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Alarm NO. 76 Steps Alarm/Cause Corrective Action CONDENSER MOTOR OVERHEATED - Continued 6 Check Condenser Fan Motors Disconnect power plug at motor. Test IP circuit for continuity using ohmmeter. If open, remove and replace motor. If closed, then an intermittent IP circuit is suspect. Check phase to phase and phase to ground for short or open circuits. Refer to Section 2.11 for correct electrical values. If motor tests good, check the DC IP circuit to microprocessor.
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Alarm NO. 77 Steps Alarm/Cause Corrective Action EVAP MOTOR OVERHEATED • TRIGGER–ON: The evaporator fan motor Internal Protector (IP-EVM) is open. • • UNIT CONTROL: Engine and Standby Operation: shutdown and alarm RESET CONDITION: Auto Reset after a 15 minute off time when motor overload input is within limits or alarm may be manually reset via keypad or by turning the unit off, then back on again. NOTE: Follow the steps below until a problem is found.
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Alarm NO. 77 Steps Alarm/Cause Corrective Action EVAP MOTOR OVERHEATED - Continued 6 Check Evaporator Fan Motor Disconnect power plug at motor 7 62-11389 Check Motor Operation Turn the unit ON Test IP circuit for continuity using ohmmeter If open, remove and replace motor If closed, then an intermittent IP circuit is suspect. Check phase to phase and phase to ground for short or open circuits. Refer to Section 2.11 for correct electrical values.
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Alarm NO. 84 Steps Alarm/Cause Corrective Action CHECK REMOTE ALARM LIGHT • TRIGGER–ON: The fault output circuit (amber “check unit” LED’s) to the light bar is shorted. (This output [3MP19] from the microprocessor is negative, so the circuit will not be shorted to ground, but is shorted either within the remote alarm light itself, or to a positive wire.) • • UNIT CONTROL: Engine and Standby Operation: alarm only.
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Alarm NO. 85 Steps Alarm/Cause Corrective Action CHECK UL1 CIRCUIT • TRIGGER–ON: Front Unloader (UL1) circuit is shorted. (The UL1 output from the microprocessor (3MP12) is negative, so the circuit will not be shorted to ground, but is shorted either within UL1 itself, or to a positive wire.) • • UNIT CONTROL: Engine and Standby Operation: alarm only.
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Alarm NO. 86 Steps Alarm/Cause Corrective Action CHECK UL2 CIRCUIT • TRIGGER–ON: Rear Unloader (UL2) circuit is shorted. (The UL2 output from the microprocessor (3MP23) is negative, so the circuit will not be shorted to ground, but is shorted either within UL2 itself, or to a positive wire.) • • UNIT CONTROL: Engine and Standby Operation: alarm only.
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Alarm NO. 89 Steps Alarm/Cause Corrective Action CHECK REMOTE AUTO LIGHT (Light Bar) • TRIGGER–ON: The normal operation output circuit (green “Status OK” light) to the light bar is shorted. (The light bar output from the microprocessor [3MP32] is negative, so the circuit will not be shorted to ground, but is shorted either within the light bar itself, or to a positive wire.) • • UNIT CONTROL: Engine and Standby Operation: alarm only.
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Alarm NO. 92 Steps Alarm/Cause Corrective Action CHECK 1HTCON2 RELAY COIL • TRIGGER–ON: Heater contactor 2 (1HTCON2) circuit is shorted. (The contactor output from the microprocessor (4MP14) is negative, so the circuit will not be shorted to ground, but is shorted either within the contactor coil itself, or to a positive wire.) • • UNIT CONTROL: Engine and Standby Operation: alarm only.
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Alarm NO. 93 Steps Alarm/Cause Corrective Action CHECK START UP BUZZER • TRIGGER–ON: The Buzzer (B) circuit is shorted. (The Buzzer output from the microprocessor [5MP08] is negative, so the circuit will not be shorted to ground, but is shorted either within the Buzzer itself, or to a positive wire.) • • UNIT CONTROL: Engine and Standby Operation: alarm only.
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Alarm NO. 95 Steps Alarm/Cause Corrective Action CHECK CDCON RELAY COIL • TRIGGER–ON: Condenser fan motor contactor (CDCON) circuit is shorted. (The contactor output from the microprocessor (4MP6) is negative, so the circuit will not be shorted to ground, but is shorted either within the contactor coil itself, or to a positive wire.) • • UNIT CONTROL: Engine and Standby Operation: alarm only.
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Alarm NO. 96 Steps Alarm/Cause Corrective Action CHECK GENCONR RELAY COIL • TRIGGER–ON: Generator contactor relay (GENCONR) circuit is shorted. (The relay output from the microprocessor (4MP7) is negative, so the circuit will not be shorted to ground, but is shorted either within the relay coil itself, or to a positive wire.) • • UNIT CONTROL: Engine and Standby Operation: alarm only. RESET CONDITION: Auto Reset or alarm may be manually reset via keypad or by turning the unit off, then back on again.
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Alarm NO. 98 Steps Alarm/Cause Corrective Action CHECK HIGH TEMP THERMOSTAT • TRIGGER–ON: With the Main Power switch toggled out of the OFF position, the 1EVHTS circuit is open. • UNIT CONTROL: Alarm AND no heat allowed. • RESET CONDITION: Auto Reset when the 1EVHTS circuit is okay for 15 minutes, or alarm may be manually reset via keypad or by turning the unit off, then back on again. NOTE: Follow the steps below until a problem is found.
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Alarm NO. 99 Steps Alarm/Cause Corrective Action CHECK STANDBY CONTACTOR • TRIGGER–ON: Standby motor contactor relay (PSCONR) circuit is shorted. (The relay output from the microprocessor (5MP7) is negative, so the circuit will not be shorted to ground, but is shorted either within the relay coil itself, or to a positive wire.) • UNIT CONTROL: Engine and Standby Operation: alarm only. In engine Operation, the unit will continue to operate. In Standby the refrigeration system will not operate.
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Alarm NO. 100 Steps Alarm/Cause Corrective Action OVERLOAD/GROUND FAULT • TRIGGER–ON: Engine or Standby Operation is being called for and the overload ground fault module is reading more than 40 Amps on any A/C current leg OR there is A/C voltage leaking to ground of more than 150 miliamps. • UNIT CONTROL: • RESET CONDITION: Auto Reset in Engine Operation. Alarm may be manually reset via Keypad or, alarm may be reset by turning the unit off, then back on again.
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Alarm NO. 109 Steps Alarm/Cause Corrective Action CHECK 1EVCON RELAY COIL • TRIGGER–ON: Evaporator fan motor contactor (1EVCON) circuit is shorted. (The contactor output from the microprocessor (4MP15) is negative, so the circuit will not be shorted to ground, but is shorted either within the contactor coil itself, or to a positive wire.) • • UNIT CONTROL: Alarm only RESET CONDITION: Auto Reset or alarm may be manually reset via keypad or by turning the unit off, then back on again.
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Alarm NO. 121 Steps Alarm/Cause Corrective Action 7.8 SENSOR ALARMS CHECK AMBIENT AIR SENSOR • TRIGGER–ON: Ambient Air Temperature Sensor (AAT) is not within the range of -53 to +158°F (-47° to +70° C.) • UNIT CONTROL: Engine and Standby Operation: A value of 122°F (50°C) will be used for any calculations. • RESET CONDITION: Auto Reset when Ambient Air Sensor is in range or alarm may be manually resetvia keypad or by turning the unit off, then back on again.
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Alarm NO. 122 Steps Alarm/Cause Corrective Action CHECK RETURN AIR SENSOR • TRIGGER–ON: Return Air Temperature Sensor (1RAT) is not within the range of -53 to +158°F (-47 to +70° C.) • UNIT CONTROL:Engine and Standby Operation: If Alarm 123 - Check Supply Air Sensor - is not active: alarm only and switch to supply air control. If Alarm 123 is also active (Cargo Protect Mode, refer to section 4.8.
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Alarm NO. 123 Steps Alarm/Cause Corrective Action CHECK SUPPLY AIR SENSOR • TRIGGER–ON: Supply Air Temperature Sensor (1SAT) is not within the range of -53 to +158°F (-47 to +70° C.) • UNIT CONTROL: Engine and standby: If Alarm 122 is not active and functional parameter Temperature Control is set for Supply Air and the set point for is in the perishable range: alarm only and switch to return air control. If Alarm 122 is active: set unit control as described in Alarm 122.
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Alarm NO. Steps 124 • Alarm/Cause Corrective Action CHECK DEFROST TERM 1 SENSOR TRIGGER–ON: Defrost Termination Temperature Sensor (1DTT) is not within the range of -53° to +158°F (-47° to +70° C.) • UNIT CONTROL: Engine and standby: If Alarm 122 is not active: alarm and initiate defrost if 1RAT is below 45°F (7.2°C). If Alarm 122 is also active: alarm and initiate defrost if 1SAT is below 45°F (7.2°C). Under both of the above conditions, defrost will end after 10 minutes.
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Alarm NO. 125 Steps Alarm/Cause Corrective Action CHECK COMP DISCHARGE SENSOR • TRIGGER–ON: Compressor Discharge Temperature Sensor (CDT) is not within the range of –40° to +392°F (-40° to +200°C.) • UNIT CONTROL: Engine and Standby Operation: Alarm Only. • RESET CONDITION: Auto Reset when Compressor Discharge Sensor is in range or, alarm may be manually reset via keypad or by turning the unit off, then back on again. NOTE: Follow the steps below until a problem is found.
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Alarm NO. 127 Steps Alarm/Cause Corrective Action CHECK SUCTION TEMP SENSOR • TRIGGER–ON: Compressor Suction Temperature Sensor (CST) is not within the range of -53 to +158°F (-47 to +70° C.) • UNIT CONTROL: Engine and Standby Operation: alarm only. • RESET CONDITION: Auto Reset or alarm may be manually reset via keypad or by turning the unit off, then back on again. NOTE: Follow the steps below until a problem is found.
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Alarm NO. 129 Steps Alarm/Cause Corrective Action CHECK ENG COOLANT SENSOR • TRIGGER–ON: Engine Coolant Temperature Sensor (ENCT) is not within the range of -58 to +266°F (-50 to +130°C). • UNIT CONTROL: Engine Operation: Alarm Only. Standby Operation: This alarm does not activate in standby. • RESET CONDITION: Auto Reset or alarm may be manually reset via keypad or by turning the unit off, then back on again. NOTE: Follow the steps below until a problem is found.
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Alarm NO. 130 Steps Alarm/Cause Corrective Action CHECK ENGINE RPM SENSOR • TRIGGER–ON: When in Engine Operation only. If ambient temperature is above 32°F (0°C), and this is the second or third start attempt, and the engine oil pressure switch is closed (oil pressure good), and engine RPM is sensed at less than 1000; OR, if ambient is below 32°F (0°C) and the DC amp draw is more than 2 amps, and this is the second or third start attempt, and engine RPM is sensed at less than 1000.
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Alarm NO. 131 Steps Alarm/Cause Corrective Action CHECK EVAP TEMP SENSOR • TRIGGER–ON: Evaporator Outlet Temperature Sensor (EVOT) is not within the range of -53 to +158°F (-47 to +70°C.) • UNIT CONTROL: Engine and standby: alarm only and superheat for EVXV will be calculated using SAT. • RESET CONDITION: Auto Reset when Evap Temp Sensor is in range or, alarm may be manually reset via keypad or by turning the unit off, then back on again. NOTE: Follow the steps below until a problem is found.
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Alarm NO. 133 134 135 Steps Alarm/Cause Corrective Action CHECK REMOTE TEMP SENSOR 1 CHECK REMOTE TEMP SENSOR 2 CHECK REMOTE TEMP SENSOR 3 • TRIGGER–ON: Remote Temperature Sensor (REMSN1, REMSN2 or REMSN3) is not within the range of -53 to +158°F (-47 to +70°C.) • UNIT CONTROL: Engine and Standby Operation: Alarm only. • RESET CONDITION: Auto Reset when Remote Temperature Sensor is in range or, alarm may be manually reset via keypad or by turning the unit off, then back on again.
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Alarm NO. Steps Alarm/Cause Corrective Action 7.9 PRETRIP ALARMS P141 PRETRIP STOPPED BY USER • TRIGGER–ON: Pretrip cycle was stopped by user before the Pretrip cycle ended automatically. • UNIT CONTROL: Engine and Standby Operation: Alarm Only. • RESET CONDITION: Alarm may be manually reset via keypad or by turning the unit off, then back on again. NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, clear the alarm(s). (See Note 1 page 7−2.
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Alarm NO. Steps Alarm/Cause Corrective Action P145 CHECK SPEED SOL CIRCUIT • TRIGGER–ON: Normal Amps for the Speed Solenoid Circuit is 0 to 1.0 Amps. The circuit tests outsidethis range. • UNIT CONTROL: Alarm Only • RESET CONDITION: Auto Reset if Pretrip is started again or alarm may be manually reset via keypad or by turning the unit off then back on again. 1 Check For Bad F2 Or F3 Fuse Alarm Check for Alarm 71. Alarm conditions must be corrected and the alarm cleared to continue.
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Alarm NO. Steps Alarm/Cause Corrective Action P151 CHECK GLOW PLUG CIRCUIT (This applies to the Intake Air Heater) • TRIGGER–ON: Normal Amps for the Intake Air Heater Circuit is 23 to 75 Amps after 15 seconds. The circuit tests outside this range. • UNIT CONTROL: Alarm Only • RESET CONDITION: Auto Reset if Pretrip is started again or alarm may be manually reset via keypad or by turning the unit off then back on again.
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Alarm NO. Steps Alarm/Cause Corrective Action P153 CHECK RETURN AIR SENSOR • TRIGGER–ON: Return Air Temperature Sensor (1RAT) is not within the range of -53 to +158°F (-47 to +70°C.) • UNIT CONTROL: • RESET CONDITION: Auto Reset if Pretrip is started again, or alarm may be manually reset via keypad or by turning the unit off, then back on again. Engine and Standby Operation: Pretrip will fail and display “PRETRIP FAIL AND COMPLETED”.
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Alarm NO. Steps Alarm/Cause Corrective Action P157 CHECK BATTERY CURRENT • TRIGGER–ON: With all circuits off, current flow of more than 1.5 amps is detected in the 12 VDC electrical circuits. NOTE: If this alarm occurs, Pretrip Test #2 will not be performed. You will need to run pretrip again. • UNIT CONTROL: Engine and Standby Operation: Pretrip will fail and display “PRETRIP FAIL AND COMPLETED”.
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Alarm NO. Steps Alarm/Cause Corrective Action P159 CHECK DEFROST TERM 1 SENSOR • TRIGGER–ON: Defrost Termination Temperature Sensor (1DTT) is not within the range of -53 to +158°F (-47 to +70°0 C.) • UNIT CONTROL: Engine and Standby Operation: Pretrip will fail and display “PRETRIP FAIL AND COMPLETED”. • RESET CONDITION: Auto Reset if Pretrip is started again, or alarm may be manually reset via keypad or by turning the unit off, then back on again.
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Alarm NO. Steps Alarm/Cause Corrective Action P174 CHECK LOW SPEED RPM • TRIGGER–ON in Test #5: With Speed Relay turned off, engine speed is NOT between 1250 and 1450 rpm. • • • TRIGGER–ON in Test #7: 15 seconds after the High Speed Pretrip Test #6, engine speed has NOT dropped back to the low speed range (within 15 seconds) as shown above. Note: This test will be skipped if the RPM sensor alarm (A130) is active.
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Alarm NO. Steps Alarm/Cause Corrective Action P175 CHECK HIGH SPEED RPM • TRIGGER–ON: With Speed Relay energized (voltage at the Engine Speed Control Unit for high speed operation), engine RPM is NOT between 1700 and 1900. • UNIT CONTROL: Engine Operation: Pretrip will fail and display “PRETRIP FAIL AND COMPLETED”. Standby Operation: This test is not made. • RESET CONDITION: Auto Reset if Pretrip is started again, or Alarm may be manually reset via Keypad or by turning the unit off, then back on again.
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Alarm NO. Steps Alarm/Cause Corrective Action P175 CHECK HIGH SPEED RPM - Continued 6 Check engine air-intake system a. Check air cleaner indicator. b. Inspect air intake system. 7 Flag must not be visible. Hoses & tubes in good condition. No kinks or restrictions. Check engine exhaust system Inspect the exhaust system. Must be clear and unobstructed.
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Alarm NO. Steps Alarm/Cause Corrective Action P177 CHECK EVAP SUPERHEAT • TRIGGER–ON: With the unit running in Test 12, after the microprocessor closes the EVXV to 0%, evaporator pressure fails to drop by 20 psig (1.36 bar) or fails to go below 0 psig / bar OR the EVXV appears not to be opening to the full capacity position. • UNIT CONTROL: Engine and Standby Operation: Pretrip will fail and display “PRETRIP FAIL AND COMPLETED”.
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Alarm NO. Steps Alarm/Cause Corrective Action P178 CHECK UL1 • TRIGGER–ON: The pressure differential between suction and discharge pressures did not change as expected when the Front Unloader (UL1) was de-energized / loaded (discharge pressure should rise and suction pressure should drop) or when it was energized / unloaded (discharge pressure should drop and suction pressure should rise. • UNIT CONTROL: Engine and Standby Operation: Pretrip will fail in test 13 and display “PRETRIP FAIL AND COMPLETED”.
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Alarm NO. Steps Alarm/Cause Corrective Action P180 CHECK SUCTION MOD VALVE • TRIGGER–ON: With the unit running in Pretrip Test #11, after the microprocessor attempts to close CSMV, the suction pressure fails to drop below 4in. Hg (-0.14 bar.) • UNIT CONTROL: • RESET CONDITION: Auto Reset if Pretrip is started again or alarm may be manually reset via keypad or by turning the unit off then back on again. Engine and Standby Operation: Pretrip will fail and display “PRETRIP FAIL IN TEST 11”.
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Alarm NO. Steps Alarm/Cause Corrective Action P186 CHECK EVAP OUTLET TEMP • TRIGGER–ON: Evaporator Outlet Temperature Sensor (EVOT) is not within the range of -53 to +158°F (-47 to +70°C.) • UNIT CONTROL: • RESET CONDITION: Auto Reset if Pretrip is started again, or alarm may be manually reset via keypad or by turning the unit off, then back on again. Engine and Standby Operation: Pretrip will fail and display “PRETRIP FAIL AND COMPLETED”.
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Alarm NO. Steps Alarm/Cause Corrective Action P187 CHECK HEATER 1 CIRCUIT - Continued 6 Check Amp Draw of 1HTCON1 Heater Circuit a. With the unit running and calling for Must be within range shown in Section 2.11 for all Heat, use a clamp on ammeter to three legs. check the current draw of all 3 legs. b. Check fuses for heater elements. F10, F11, and F12 must not be blown. c. Check voltage at 1HTCON1 con- Must be within range shown in Section 2.11 for tacts. L1-L2, L1-L3, and L2-L3.
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Alarm NO. Steps Alarm/Cause Corrective Action P188 CHECK HEATER 2 CIRCUIT This device is checked twice in Pretrip - once in Test 2 and again in Test 8. • TRIGGER–ON TEST 2 (unit not running): Normal draw for the 1HTCON2 contactor coil is 0.05 to 2.0 Amps (12 VDC). The circuit tests outside this range. • TRIGGER–ON TEST 8 (unit running): Normal draw for the 1HTCON2 heaters is 1.0 to 3.5 Amps (460 VAC). The circuit tests outside this range.
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Alarm NO. Steps Alarm/Cause Corrective Action P188 CHECK HEATER 2 CIRCUIT - Continued 6 Check Amp Draw of 1HTCON2 Heater Circuit a. With the unit running and calling for Must be within range shown in Section 2.11 for all pull up in, use a clamp on ammeter three legs. to check the current draw of all 3 legs. b. Check fuses for heater elements F10, F11, and F12 must not be blown. c. Check voltage at 1HTCON2 con- Must be within range shown in Section2.11for L1-L2, tacts. L1-L3, and L2-L3.
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Alarm NO. Steps Alarm/Cause Corrective Action P189 CHECK EVAPORATOR FAN MOTOR This device is checked twice in Pretrip - once in Test 2 and again in Test 8. • TRIGGER–ON TEST 2 (unit not running): Normal draw for the 1EVCON contactor coil is 0.05 to 2.0 Amps (12 VDC). The circuit tests outside this range. • TRIGGER–ON TEST 9 (unit running): Normal draw for the Evaporator Fan motor is 0.7 to 3.5 Amps (460 VAC). The circuit tests outside this range.
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Alarm NO. Steps Alarm/Cause Corrective Action P189 CHECK EVAPORATOR FAN MOTOR - Continued 5 Check Amp Draw of 1EVCON Evap Fan Motor Circuit a. With the unit running in either HEAT Must be within range shown in Section 2.11 for all or COOL use a clamp on ammeter three legs. to check the current draw of all 3 legs. b. Check fuses for evaporator fan mo- F26, F27, and F28 must not be blown. tor. c. Check voltage at 1EVCON con- Must be within range shown in Section 2.11 for tacts. L1-L2, L1-L3, and L2-L3.
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Alarm NO. Steps Alarm/Cause Corrective Action P190 CHECK CONDENSER FAN MOTOR • TRIGGER–ON Normal draw for the condenser fan motors is 0.8 to 3.5 Amps (460 VAC). The circuit tests outside this range. • UNIT CONTROL: Engine and Standby Operation: Pretrip will fail and display “PRETRIP FAIL AND COMPLETED”. • RESET CONDITION: Auto Reset if Pretrip is started again, or alarm may be manually reset via keypad or by turning the unit off, then back on again. NOTE: Follow the steps below until a problem is found.
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Alarm NO. Steps Alarm/Cause Corrective Action P191 CHECK UL2 • TRIGGER–ON: The pressure differential between suction and discharge pressures did not change as expected when the Rear Unloader (UL2) was de-energized / loaded (discharge pressure should rise and suction pressure should drop) or when it was energized / unloaded (discharge pressure should drop and suction pressure should rise.
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Alarm NO. Steps Alarm/Cause Corrective Action P206 CHECK CONDENSER FAN CIRCUIT • TRIGGER–ON : Normal draw for the CDCON contactor coil is 0.05 to 2.0 Amps (12 VDC). The circuit tests outside this range. • UNIT CONTROL: Engine and Standby Operation: Pretrip will fail and display “PRETRIP FAIL AND COMPLETED”. • RESET CONDITION: Auto Reset if Pretrip is started again, or alarm may be manually reset via keypad or by turning the unit off, then back on again.
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Alarm NO. Steps Alarm/Cause Corrective Action P208 CHECK GENERATOR CONT CIRC • TRIGGER–ON: Normal draw for the GENCONR and GENCON coils is 0.0 to 1.0 Amps (12 VDC). The circuit tests outside this range. • UNIT CONTROL: Engine and Standby Operation: Pretrip will fail and display “PRETRIP FAIL AND COMPLETED”. • RESET CONDITION: Auto Reset if Pretrip is started again, or alarm may be manually reset via keypad or by turning the unit off, then back on again.
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Alarm NO. Steps Alarm/Cause Corrective Action P209 CHECK STANDBY CONT CIRCUIT • TRIGGER–ON: Normal amps for the PSCONR relay coil and PSCON or PSCON2 contactor coils 0.0 to 1.0 Amps (12 VDC). The circuit(s) test outside this range. (During this test either PSCON or PSCON2 will be tested depending on the phase reversal module.) • UNIT CONTROL: • RESET CONDITION: Auto Reset if Pretrip is started again, or alarm may be manually reset via keypad or by turning the unit off, then back on again.
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Alarm NO. 223 Steps Corrective Action 7.10 MAINTENANCE ALARMS ENGINE MAINTENANCE DUE • TRIGGER–ON: The Engine Maintenance Hour Meter time has expired. • • UNIT CONTROL: Alarm Only. Alarm Light will NOT be turned on. RESET CONDITION: Alarm may be manually reset via keypad. 1 2 3 224 Alarm/Cause Check Unit Maintenance Records Schedule unit into service facility for maintenance. Must be done soon! Perform Maintenance Perform appropriate engine & unit maintenance.
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Alarm NO. 225 Steps Corrective Action GENERAL MAINTENANCE DUE • TRIGGER–ON: The General Maintenance Hour Meter time has expired. • • UNIT CONTROL: Alarm Only. Alarm Light will NOT be turned on. RESET CONDITION: Alarm may be manually reset via keypad. 1 2 3 226 Alarm/Cause Check Unit Maintenance Records Schedule unit into service facility for maintenance. Must be done soon! Perform Maintenance Perform appropriate engine & unit maintenance. Follow instructions on proper maintenance form.
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Alarm NO. 227 Steps Corrective Action SERVICE SOON-PM #2 DUE • TRIGGER–ON: The Maintenance Hour Meter #2 time has expired. • • UNIT CONTROL: Alarm Only. Alarm Light will NOT be turned on. RESET CONDITION: Alarm may be manually reset via keypad. 1 2 3 228 Alarm/Cause Check Unit Maintenance Records Schedule unit into service facility for maintenance. Must be done soon! Perform Maintenance Perform appropriate engine & unit maintenance. Follow instructions on proper maintenance form.
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Alarm NO. 229 Steps Corrective Action SERVICE SOON-PM #4 DUE • TRIGGER–ON: The Maintenance Hour Meter #4 time has expired. • • UNIT CONTROL: Alarm Only. Alarm Light will NOT be turned on. RESET CONDITION: Alarm may be manually reset via keypad. 1 2 3 230 Alarm/Cause Check Unit Maintenance Records Schedule unit into service facility for maintenance Must be done soon! Perform Maintenance Perform appropriate engine & unit maintenance. Follow instructions on proper maintenance form.
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Alarm NO. 232 Steps Alarm/Cause Corrective Action 7.11 MICROPROCESSOR ALARMS SETPOINT ERROR • TRIGGER–ON: There is an error in the set point that is stored in the microprocessor memory. • • UNIT CONTROL: Unit Shutdown & Alarm. RESET CONDITION: Auto Reset when a valid set point is entered, or alarm may be manually reset by turning the unit off, then back on again. NOTE: Follow the steps below until a problem is found.
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Alarm NO. 237 Steps Alarm/Cause Corrective Action FUNCTION PARAMETERS ERROR • TRIGGER–ON: There is an error in one or more of the Functional Parameters that are stored in the microprocessor memory. • • UNIT CONTROL: Incorrect Functional Parameter(s) will be automatically set for default value. RESET CONDITION: Auto Reset when valid Functional Parameters are entered, or alarm may be manually reset by turning the unit off, then back on again. NOTE: Follow the steps below until a problem is found.
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Alarm NO. 238 Steps Alarm/Cause Corrective Action CONFIGURATIONS 1 ERROR • TRIGGER–ON: There is an error in the Configuration settings that are stored in the microprocessor memory. • • UNIT CONTROL: Incorrect Configuration(s) will be automatically set for default value. RESET CONDITION: Auto Reset when valid Configuration(s) are entered, or alarm may be manually reset by turning the unit off, then back on again NOTE: Follow the steps below until a problem is found.
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Alarm NO. 242 Steps Alarm/Cause Corrective Action DIS PRESS CALIBRATE ERROR • TRIGGER–ON: There is an error in the Compressor Discharge Pressure Sensor Calibration value stored in memory. • • UNIT CONTROL: Alarm Only. RESET CONDITION: Auto Reset when the Discharge Pressure Sensor is calibrated successfully, or alarm may be manually reset via keypad or by turning the unit off, then back on again. NOTE: Follow the steps below until a problem is found.
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Alarm NO. 243 Steps Alarm/Cause Corrective Action SUCTION/EVAP CALIBRATE ERROR • TRIGGER–ON: There is an error in either or both of the Suction Pressure (CSP) or Evaporator Pressure (EVOP) Sensor Calibration values stored in the microprocessor memory. Note that neither of these transducers can be calibrated manually. This is an error in the microprocessor. • • UNIT CONTROL: Alarm only.
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Alarm NO. Steps 245 Alarm/Cause Corrective Action CANNOT SAVE SETTING • TRIGGER–ON: There is an error in sending and saving new settings in the Microprocessor • • memory. UNIT CONTROL: Alarm only. RESET CONDITION: Alarm may be manually reset via Keypad or by turning the unit off, then back on again. NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, the active alarm should clear itself (see reset condition above).
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Alarm NO. 248 Steps Alarm/Cause Corrective Action CONFIGURATION MODE / HP2 ERROR • TRIGGER–ON: EEPROM configuration is out of range. • • UNIT CONTROL: Shutdown and alarm. RESET CONDITION: Auto Reset only when valid info is available for the microprocessor are entered. Follow the steps below until a problem is found. Once a repair or correction has been made, clear the alarm(s). (See Note 1 page 7−2.) Operate the unit through the appropriate modes to see if any active alarm occurs.
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Alarm NO. 249 Steps Alarm/Cause Corrective Action MICROPROCESSOR ERROR • TRIGGER–ON: Microprocessor Input Conversion Error. • • UNIT CONTROL: Shutdown and alarm. RESET CONDITION: Auto Reset when input conversions are valid, or Alarm may be manually reset by turning the unit off, then back on again. Follow the steps below until a problem is found. Once a repair or correction has been made, clear the alarm(s). (See Note 1 page 7−2.
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SECTION 8 − SERVICE PARAGRAPH NUMBER Page 8.1 SECTION LAYOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8−1 8.2 SCHEDULED MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8−1 8.3 PRE TRIP INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8−1 8.4 EXTERNAL SURFACE SERVICE . . . . . .
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SECTION 8 SERVICE 8.1 SECTION LAYOUT WARNING Service procedures are presented herein under the following major sections: Advance microprocessor equipped units may start automatically at any time the Main Power switch is not in the OFF position. Also, the unit may be fitted with two way communication equipment that will allow starting of the unit from a remote location even though the switch is in the OFF position. S Scheduled Maintenance - Section 8.2 S Pretrip Inspection - Section 8.
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Table 8−1 Maintenance Schedule System Reference Section Operation a. Pre Trip Inspections 1 2 3 4 Pre Trip Inspection - before starting Pre Trip Inspection - after starting Run Microprocessor Pretrip - Before loading Check Engine Hours 8.3 8.3 3.4 3.14 b. Every Service Interval or Yearly 1 Check engine oil and filter change interval (refer to Section e. of this table) 2 Check low oil pressure switch 3 Clean crankcase breather 4 Check engine speeds 5 Check water pump belt Section e.
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Table 8−1 Maintenance Schedule - Continued System Operation Reference Section b.
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Table 8−2 Pre Trip Inspection WARNING Inspect battery cables for signs of wear, abrasion or damage at every pre trip inspection and replace if necessary. Also check battery cable routing to ensure that clamps are secure and that cables are not pinched or chafing against any components.
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Table 8−2 Pre Trip Inspection - Continued OPERATE UNIT IN HIGH SPEED COOL AND RECORD (From Microprocessor Unit Data) Suction Pressure Battery Voltage Unit Model # Discharge Pressure Current Draw (DC) Fuel Level* Evaporator Pressure Engine RPM Hrs to Engine Maint Engine Coolant Temp Unit AC Current #1 Hrs to S/B Motor Maint Return Air Temp Unit AC Current #2 Hrs to Unit Maint Supply Air Temp CSMV % Time Left to PM1* Delta-T EVXV % Time Left to PM2* Ambient Air Temp Software Rev Time Le
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a. Ensure the unit will not start automatically by disabling any two way communication and placing the Main Power Switch in the OFF position. Disconnect the high voltage source and lockout/tagout the receptacle. NOTE The side door lower cable is inserted through the upper cable eyelet. The lower cable is to be removed to gain access to the upper cable. 3. Reverse above steps to install new cable. b. Open both side and front doors. c. Remove the bolts that secure the surround to the unit, see Figure 8−2.
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DETENT NOTCH 5 4 3 2 1 7 9 12 1. 2. 3. 4. 5. 6. Display Board Keypad Support Keypad Latch Spring Bezel 11 8 6 10 7. 8. 9. 10. 11. 12 Condensate Drain Door Plug Gasket (Window to Bezel) Window Gasket (Keypad to Window) Figure 8−4 Display and Keypad Assembly 3. Reconnect negative battery cable and standby plug as required and run Pretrip to check unit operation. b. Reassembly CAUTION 8.5 ENGINE AND ENGINE RELATED SYSTEMS SERVICE Do not over torque display & keypad pan head screws.
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b. Turn the top of the manual plunger counter-clockwise to unlock it. S-L-O-W-L-Y (up/down once per second) pump the manual plunger until positive pressure (resistance) is felt. This may take up to 200 strokes. This will indicate fuel flow. 11 12 10 c. Continue to pump S-L-O-W-L-Y (up/down once per second) approximately 100 more strokes to fill the filter and bleed the air out of the lines. 13 9 d. Start engine. It may be necessary to continue to pump until the engine starts.
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1 3 2 1 2 3 4 2 1. 2. 3. 4. Screen Nut Copper Rings Banjo Fitting 1. Cover 2. Gasket 3. Screen Figure 8−8 Electric Fuel Pump Figure 8−7 Mechanical Fuel Pump 8.5.5 Fuel Filter To check or replace Screen To replace filter: a. Ensure the unit will not start automatically by disabling any two way communication and placing the Main Power switch in the OFF position. Disconnect the high voltage source and lockout/tagout the receptacle. a.
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7 1 2 11 8 15 12 11 12 16 5 3 4 13 9 6 1. 2. 3. 4. 5. 6. 7. 8. 9. 14 10 Fuel Level Sensor Gasket Focus Tube Sensor Flange Fuel Level Sensor Flange Fuel Tank Wire 1MP26 - FLSC (Connection C) Wire SP6 - FLSB (Connection B) Wire SP5 - FLSA (Connection A) 10. 11. 12. 13. 14. 15. 16. 17. 18.
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2 Unscrew the cap/dipstick see Figure 8−10. Wipe the dipstick clean and insert the cap into the oil fill tube without threading into tube. 3 Remove drain plug drain engine oil. Replace plug and refill engine with oil. Continue with step c. and change oil filter. 3 Remove the dipstick again and check oil level. DO NOT add oil if the level is in the “safe” range. If needed, add oil as indicated by markings on dipstick until level is in the “safe” range.
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b. Check all connections for mechanical tightness. Be sure filter outlet pipe is not fractured. 5 Clean gasket surfaces and reinstall intake air heater and flange using new gaskets. Torque flange bolts to 11 to 18 ft/lbs (15 to 24 nm). c. Release 2 clips on air cleaner housing and remove the cover. d. Remove filter element, wipe inside of air cleaner housing clean inspect element and replace if required. e. Wipe inside of the cover and re-install. f. Re-secure 2 clips on air cleaner housing. g.
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8.5.12 Cooling System NOTE Only clean water should be used to flush the cooling system. Do not use any radiator flush or detergents to clean the radiator. a. Cleaning and Flushing Air flows through the condenser and then the radiator. The cooling surfaces of both must be clean and the interior of the radiator must be clean for adequate cooling. 5. Start the engine and drain system while warm. Rinse system three times after it has cooled down. Refill system with water. 6.
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in step 1), use a flat, blunt object to guide the belt onto the crank pulley. Be careful not to damage grooves on the pulley or belt. 8.5.13 Water Pump V-Belt 8.5.14 Crankcase Breather WARNING The engine uses a closed type breather with the breather line attached to the cylinder head cover. (See Figure 8−17) The breather assembly should be cleaned once a year or at every 2000 hours maintenance interval (whichever comes first). See Table 8−1 Beware of moving poly V-belt and belt driven components.
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ÂÂÂ ÂÂÂ 10 8 3. Partially block off air flow to condenser coil so discharge pressure rises to 230 psig (15.7 bar). 12 18 15 17 2 11 Â Â Â Â Â ÂÂÂ ÂÂÂ ÂÂÂ 9 7 2. Start unit in Continuous Run Operation. Adjust set point so that unit is running in high speed, fully loaded and operating in cooling. Run approximately ten minutes - until the refrigeration system is warmed up and the refrigerated compartment temperature is approaching set point. 4. Check the receiver sight glasses to determine charge.
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the cylinder. The amount of refrigerant going into the cylinder can be monitored by watching the weight of the cylinder. bar slowly open the liquid line service valve slightly and then frontseat the valve again. Repeat as necessary in order to raise the pressure above 0. 5. Shut down the unit when the suction pressure drops to 2 psig (0.2 bar). There should be very little refrigerant remaining in the system at this point. 9.
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3 If charge is to be added: place cylinder of refrigerant on a scale and connect a charging line and gauge from cylinder to liquid line service valve. Start unit in Continuous Operation with a set point lower than refrigerated compartment temperature. Wait until unit switches to high speed operation. Run approximately ten minutes. a. Leak Checking a Charged System 1. Ensure the unit will not start automatically by disabling any two way communication and placing the Main Power switch in the OFF position.
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4 Pressurize the system to 5 to 10 psig (0.3 to 0.7 bar) with refrigerant at the liquid line service valve. CAUTION Do not vapor charge R404A. Only liquid charging through the liquid line service valve is acceptable. WARNING 3. Ensure that the microprocessor MessageCenter displays “RECOVER/LEAK CHK/EVAC MODE” during the pressurizing and leak checking procedures. (Refer to Section 5.2.3.) If the microprocessor switches to charge mode during the process, switch it back to the “RECOVER/LEAK CHK/EVAC MODE”.
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NOTES CAUTION 1. Essential tools to properly evacuate any system include a good vacuum pump (5 cfm/8m#H volume displacement, Carrier Transicold part number 07-00176-11) and a good vacuum indicator such as a thermocouple vacuum gauge (micrometer). (Carrier Transicold part number 07-00414-00) Only a refrigerant cylinder containing R404A should be connected to this refrigeration unit in order to pressurize the system. However, dry nitrogen may be used to increase pressure.
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10. If vacuum holds below 2000 microns continue to step 12. If vacuum rises above 2000 microns continue to step 11. occurs, switch it back to the “RECOVER/LEAK CHK/ EVAC MODE” (Refer to Section 5.2.3) 10. Purge nitrogen from system at the suction service valve. 11. Repeat steps 6 through 9 until the vacuum stays below 2000 microns. 11. Open the vacuum pump valve and start the pump. Evacuate unit to 500 microns. Close the vacuum pump valve and shut off the pump.
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3. Frontseat the liquid line service valve. Shut down the unit when the suction pressure drops to 2 psig (0.2 bar). WARNING Do not unscrew service valve mounting capscrews all the way before breaking seal. Entrapped pressure could result in injury. 4. Monitor the gauges. If the receiver pressure drops rapidly and the suction and discharge pressures rise rapidly the liquid line service valve requires replacement before the compressor can be further tested. c.
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8.7.3 Cylinder Head and Valve Plate Service WARNING Do not unscrew replacement compressor lifting eyelet/blankoff plate mounting capscrews all the way before breaking seal. Entrapped pressure could result in injury. a. Pumpdown the compressor. (Refer to Section 8.6.2.) b. Ensure the unit will not start automatically by disabling any two way communication and placing the Main Power switch in the OFF position. Disconnect the high voltage source and lockout/tagout the receptacle. i.
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f. Inspect the parts of the cylinder head and/or the valve plate. 1. Inspect cylinder head gaskets for proper alignment and center web blow-out. 2. Inspect the discharge valves for loose or damaged valve stops, or any debris that may affect the proper operation of the valves. 3. Inspect for broken, cracked, or chipped discharge valves. 4. Inspect the side valve plate discharge check valves to ensure the pistons move and contact the plates. Figure 8−21 Checking Suction Valve 5.
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d. If it is determined that the oil pump is not operating properly, the entire oil pump and bearing head assembly must be replaced. Replacement parts for the pump are not available except for the cover plate O-ring. However, in the event the pump requires inspection or cleaning, refer to Figure 8−23 for disassembly and reassembly. Clean all parts; coat all moving parts with compressor oil before proceeding with reassembly.
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pressor suction service valve port and connect the common connection to a vacuum pump. Remove the discharge hose from the manifold gauge set; connect the end with the Schrader depressor to the compressor oil fill port (Item 12, Figure 8−19), and immerse the other end in a container of refrigeration oil. Start the vacuum pump throttle the manifold gauge set suction valve and pull a vacuum on the compressor while watching the the oil level in the glass. Fill to 1/4 glass.
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loader ring pliers (Carrier Transicold part number 07-00223-00) compress the unloader ring while inserting the unloader into the compressor head. c. Replacing Unloader Valve Internal Parts 1. Pump down the compressor. Refer to Section 8.6.2 step e. 6. One valve body mounting hole is offset to assist in correctly aligning the valve body and gasket. Insert mounting bolts, align with gasket holes and mounting holes in head. Start bolts by hand and then toque mounting bolts 12 to16 ft-lbs (1.3 to 1.8 Nm).
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2 3 10 4 9 6 7 5 8 1 1. 2. 3. 4. 5. Condenser/Radiator Assembly Condenser Frame Condenser Coil Radiator Radiator Frame 6. 7. 8. 9. 10. Ambient Air Temperature Sensor (ATT) Condenser/Radiator Assembly Mounting Bolts Radiator Frame Mounting Bolts Radiator Mounting Brackets Condenser Coil Mounting Brackets Figure 8−25 Condenser/Radiator Assembly 1. Remove the refrigerant charge. Refer to Section 8.6.2. 8.8.2 Condenser Coil a. Cleaning 2.
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10.Separate the radiator (4) from the condenser/radiator assembly by removing the top and bottom radiator mounting brackets (9). Set radiator aside. d. Leak check, evacuate and charge the system. Refer to Sections 8.6.3, 8.6.4 & 8.6.2. 8.8.5 Compressor Suction Modulation Valve (CSMV) The purpose of the SMV is to maintain the compressor within its operating envelope and maximize unit capacity and fuel economy. At initial startup, the microprocessor will go through a self test.
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cessor and the SMV connector, or check the microprocessor for proper model number Configuration. d. Replacing the Drive and Motor Assembly 1. Pump down the low side. (Refer to section 8.6.2). b. Diagnostics - Stepper Motor 2. Remove valve piston and motor assembly and replace with a new assembly and gasket. The power head should be set to 100% open when received from the warehouse. This is to ensure the Teflon valve seal is not damaged when it is installed.
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good continuity before replacing the microprocessor. 3 b. Diagnostics - Stepper Motor 2 The valve stepper motor may be tested using a stepper motor drive tester or ohmmeter. 4 1. To test with a stepper motor drive tester (Carrier Transicold part number 07-00375-00), connect the 5 pin test cable to the valve connector, and the cable wires to the tester in accordance with wire and terminal color. (if a 5 pin tester cable is required, order Carrier Transicold part number 07-00375-11.
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3. If the suction pressure does not change, this is an indication the valve is stuck and the piston and drive motor assembly is to be replaced. 1. Remove switch as outlined in preceding section 2. Connect ohmmeter or continuity light across switch terminals. Ohmmeter will indicate resistance and continuity light will be illuminated if switch closed after relieving pressure. 3. Connect switch to a cylinder of dry nitrogen. (See Figure 8−30) d. Replacing Expansion Valve & Screen 1. Pump down the low side.
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tube is to be connected to the low connection and routed above coil. Check condition and mounting of air sensing fittings on the coil end of both tubes. g. Attach an ohmmeter to the air switch electrical contacts to check switch action. NOTE Use a hand aspirator (Carrier Transicold part number 07-00177-01), since blowing into tube by mouth may cause an incorrect reading. b. To check the defrost air switch, run unit in cooling and jumper across the air switch terminals.
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1 8 2 3 7 4 6 5 Figure 8−32 Megohmmeter Connection to Ground Plate 1. 2. 3. 4. 5. 6. 7. 8. c. Connect the remaining lead to the red wire at the T1 terminal of power supply contactor 1 (PSCON) See Figure 8−33 d. Set the megohmmeter reading to 1000V. e. Turn on the meter and record reading.
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b. Check for 12 VDC to the +12V from the switch. If required, correct wiring. “OVERLOAD/GROUND FAULT” alarm and illuminates the OGF mounted fault LED. c. Check for ground at the PRM OV terminal. If required, correct wiring. b. OGF Checkout Procedure 1. Check the FAULT LED on the module. If the LED is illuminated the module has activated and 12 VDC power supply is correct. Perform a megohm test (refer to Section 8.9.1) to determine if a fault to ground exists.
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NOTE: The blower motor bearings are factory sealed and do not require additional grease. c. To determine which heater assembly needs to be replaced , disconnect the suspect heater assembly and check pin to pin resistance. For heater resistance refer to Section 2.11. a. Ensure the unit will not start automatically by disabling any two way communication and placing the Main Power switch in the OFF position. Disconnect the high voltage source and lockout/tagout the receptacle. d.
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g. To remove the fan, loosen the nut holding the blade to the motor shaft using impact gun. the lower right hand leg of the welded support. See Figure 8−37 h. To remove motor remove four bolts that hold motor to the stator. c. Remove the condenser fan assembly mounting bolts and slide the assembly out of unit. If required, the divider may be removed by removing the upper and lower mounting bolts. i. Complete the assembly in reverse order of removal. Coat motor shaft with never-seize before assembly.
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8.9.8 Battery Charger (BTYC) WARNING NOTE A battery of known good condition must be connected to the charger before doing the following test. Do not direct water or steam into the generator openings. Do not allow any soap and water solutions to enter the generator. a. Run the unit with the battery charger connected to the battery as usual. NOTE Always test suspect generators with megohmmeter. (Refer to Section 8.9.1.) b.
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b. Generator Removal 1. Ensure the unit will not start automatically by disabling any two way communication and placing the Main Power switch in the OFF position. Disconnect the high voltage source and lockout/tagout the receptacle. 5 2 6 6 8 7 5. Unbolt snubber. Unplug the ENSCU. 2. Remove the nuts (2) from the exhaust connection. 6. Remove the locking plates from the rear engine mounting bolts and then remove the engine frame bolts (Leave front bolt on pump side loose.) 7.
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NOTE Do not remove and use the shim from a replacement generator, the replacement generator shim must remain in place until the generator is installed. 10 18 15 10.Use tool (Carrier Transicold part 07-60083-00) to lock the engine flywheel number 17 11 15.Remove 3 of the 6 flywheel bolts on the generator. 16.Insert 3 guiding rods (P/N : SKM 5671.) 17.Place the mica shim (P/N 54-00630-25) between the rotor and the stator prior to loosening any other bolts. 18.Remove the last 3 flywheel bolts.
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4. Locate two screw holes on the face of the crankshaft which are approximately 0.5 in (12.7mm) apart. See Figure 8−39, all other screw holes are approximately 0.75 in (19mm) apart. 5. Assemble two guide rods (CTD P/N SKM-5671) into the two holes on the crankshaft located in the previous step. Assemble the third rod across from the first two rods. 6. Install the flywheel on the crankshaft using the guide rods to align properly.
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14.Remove the mica shim that is between the stator and the rotor. 19.Torque the stator mounting screws to 33-37 foot pounds (44.8Nm to 50.1 Nm). NOTE Mark each stator screw after it is torqued to ensure that all the screws are torqued. 15.Install the fan onto the rotor. NOTE The fan must be installed with blades away from the engine. 20.Assemble the strain grommet (Item 12). 21.Reconnect wires. 16.Torque the fan screw to 10-12 foot-pounds (14 to 16 Nm. 22.Reassemble engine into unit. 17.
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Table 8−5 Sensor Resistance Sensors AAT, 1RAT, 1SAT, ENCT, EVOT, CST, 1DTT, REMSN 1 & 2 °F 5C Ohms °F 5C Ohms °F 5C Ohms °F 5C Ohms -40 -40 336,500 18 -7.8 49,060 76 24.4 10,250 134 56.7 2,809 -38 -38.9 312,600 20 -6.7 46,230 78 25.6 9,760 136 57.8 2,697 -36 -37.8 290,600 22 -5.6 43,580 80 26.7 9,299 138 58.9 2,590 -34 -36.7 270,300 24 -4.4 41,100 82 27.8 8,862 140 60.0 2,488 -32 -35.6 251,500 26 -3.3 38,780 84 28.9 8,449 142 61.
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Table 8−6 Sensor Resistance (CDT) °C -40 -38.9 -37.8 -36.7 -35.6 -34.4 -33.3 -32.2 -31.1 -30 -28.9 -27.8 -26.7 -25.6 -24.4 -23.3 -22.2 -21.1 -20 -18.9 -17.8 -16.7 -15.6 -14.4 -13.3 -12.2 -11.1 -10.0 -8.9 -7.8 -6.7 -5.6 -4.4 -3.3 -2.2 -1.
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Table 8−7 Temperature Pressure Chart Temperature 62-11389 Pressure Temperature Pressure _C -40 -37 -34 -32 -29 -28 -27 _F -40 -35 -30 -25 -20 -18 -16 BAR 0.3 0.5 0.7 0.9 1.1 1.2 1.3 PSIG 4.5 7.1 9.9 12.9 16.3 17.7 19.2 _C 0 1 2 3 4 6 7 _F 32 34 36 38 40 42 44 BAR 5.0 5.2 5.4 5.7 5.9 6.1 6.4 PSIG 72.5 75.6 78.8 82.1 85.5 89.0 92.5 -26 -14 1.4 20.7 8 46 6.6 96.
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SECTION 9 − UNIT TROUBLESHOOTING 1 PARAGRAPH NUMBER Page 9.1 ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9−1 9.1.1 9.1.2 Engine Will Not Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Engine Starts Then Stops . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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SECTION 9 UNIT TROUBLESHOOTING CAUTION Under no circumstances should anyone attempt to repair the keypad, display or internal control module components. Should a problem develop with these components, contact your nearest Carrier Transicold dealer for replacement. NOTE Run a Pretrip and check all active alarms before continuing with troubleshooting. 9.1 ENGINE Indication/Trouble Possible Causes Action/Reference Section NOTE: Refer to section 9.5 for electronic speed control system diagnoses 9.1.
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Indication/Trouble Possible Causes Action/Reference Section 9.1.2 Engine Starts Then Stops Engine stops after several rotations Fuel supply restricted No fuel in tank Leak in fuel system Faulty fuel control operation Plugged fuel filter Plugged inlet screen to mechanical pump. Plugged inlet screen to electric pump.
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Indication/Trouble Possible Causes 9.1.
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9.
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Indication/Trouble Possible Causes 9.4.4 Unit Will Not Terminate Cooling Temperature sensor malfunction Contactor (CCON) stuck closed Unit fails to stop cooling Microprocessor improperly set Unit Will Not Heat Or Has Insufficient Heating Heater(s) defective Heater contactors or coil defective Defective wiring / connectors Loose terminal connections Unit will not heat or has insufficient heat Low voltage No or restricted air flow Temperature sensor malfunction Compressor contactor stuck closed 9.4.
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INDICATION/ TROUBLE 9.4.
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Indication/Trouble Possible Causes 9.4.11 Evaporator Expansion Valve (EVXV) Malfunction Low refrigerant charge EVOT defective EVOP defective Coil not seated properly on valve EVXV not controlling correctly EVXV inlet screen plugged Loose connector Action/Reference Section 8.6.2 8.9.10 8.8.8 Check Check and Replace Check and Tighten 9.4.
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9.5 Speed Control System Diagnostics Table 9−1 ENSCU LED Fault Chart 1 2 3 4 Fault Engine Over Speed: more than 2,530 RPM No signal from ENSSN for 2 seconds after RPM is greater than 1,000 RPM for 10 seconds, OR for 5 seconds while engine cranking (no voltage at ENSCU pin 18). Fuel/speed actuator (FSA) wiring disconnected or open circuit. Coil Resistance Spec: 2.8 ohm +/- 10%. ENSCU supply voltage is greater than 26V.
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START HERE Start unit. Using strobe light 07-00177-01 or equivalent, check engine RPM. Is RPM equal to or over 2,530? NO NOTE : Ensure the run relay is energized during test . With ENSSN unplugged during testing , unit will stall & go through start sequence again . Unit will not start . This is normal . Verify there is at least 11 VDC going into the ENSSN 12V terminal ? YES NO Check for high resistance or an open in the ENSSN ground circuit.
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START HERE Verify unit starts, go into high speed and stall after running for a few seconds? NO Using jumper wire, verify there is at least 11 VDC at ENSCU terminal 25? YES Verify there is at least 11 VDC going into the ENSSN 12 V terminal? Check for high resistance or an open between ENSCU terminal 25 & ENSSN 12 V terminal. . Did you find and correct the condition? YES Check for high resistance or an open in the ENSSN ground circuit.
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Go to Advance Micro diagnostic tree Figure 9−6 START HERE Does the engine starter engage & turn the engine over? NO YES Check for high resistance or an open on the FSA ground circuit terminal 2. Did you find and correct the condition? YES YES NO With the FSA disconnected, check the resistance of the FSA coil. Spec is 2.8 ohms +/- 10%. Is ohm reading within spec? Verify the proper voltage going into FSA terminal 1.
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Replace ENSCU. Did you find and correct the condition? NO NO START HERE With the Main Power switch ON and the ENSCU wire 13 removed from the connector (connector plugged in), check voltage at ENSCU terminal 13. Is voltage 26 VDC or higher? NOTE: With connector unplugged, unit will not start but will crank. Check voltage while unit is cranking. YES YES YES NO Remove new ENSCU and re-install old ENSCU back into unit, ENSCU is not the fault. Review results of above tests with your supervisor.
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microprocessor. Some steps will point to a possible problem with the microprocessor. Whenever reaching one of these steps, it is a very good practice to install the new microprocessor, then verify unit operation PRIOR TO writing hours, Trailer ID, Unit Serial Number, etc., into the new microprocessor. Once the technician is satisfied that a new microprocessor is required, the hours, trailer ID, unit serial number, customer configurations, etc., should be entered.
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START HERE Is unit equipped with two way communications? Disconnect two way communications from unit and install J1 jumper. This will eliminate remote communication from the system. YES NO Is Micro Status LED blinking? NO YES Check the F1 fuse. Is the fuse blown? Replace the fuse. Did you find and correct the condition? YES NO YES YES NO Check ground connectors at the battery, starter, engine block and inside the control box.
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Wrong Chart. See Condition 1. START HERE The unit starts & runs. NO NO Unit may be running on old software. Upgrade software to current version. Did the software load correctly? YES YES Micro may not be configured properly. Verify correct model number is selected in the micro via Unit Data. Did you find and correct the condition? YES Did the loading of the software correct the problem? YES NO NO YES Check ground connectors at the battery, starter, engine block and inside the control box.
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START HERE Is the unit equipped with two way communication? Place the Main Power switch in the OFF position. Does the engine continue to run? NO YES Disconnect two way communication from the unit and install J1 Jumper. This will eliminate remote communication from the system. There a problem with the remote communication system. Repair as necessary. NO YES Check for defective Main Power switch. Is Switch defective? YES NO Replace defective switch.
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START HERE Check the fuel/speed actuator and plunger for correct operation. Did you find and correct the condition? Unit may be running old soft ware. Upgrade software from http://www.transcentral.carrier.com. Did you find and correct the condition? NO System OK YES YES NO Check system suction pressure at compressor. Is suction pressure -2 psig or lower? YES NO Does the message center show “FORCED LOW ENGINE SPEED? Check speed overrides, Section 4.8.3.
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START HERE Is the unit operating in defrost? YES NO Unit may be running old software. Upgrade software from www.transcentral.carrier.com. Did you find and correct the condition? YES NO Check functional parameter settings for air flow. Does the setting show high? YES NO YES Check setpoint System OK NO Is setpoint +10.
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START HERE What does the ReeferManager program display on the bottom of the screen of your PC? “CONNECTION OK” Are the dates for the data on the download screen? “NOT CONNECTED” There is no serial connection. YES NO DataLink data recorder date & time may be set wrong. Set the correct date & time.
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Using either a PC card or computer with a download cable hooked into the serial port/download plug, load current version of the software into micro. Insert PC card into the PC card slot on the micro. START HERE Make sure the Main Power switch is ON or the microprocessor is in PC Mode. (Refer to Section 5.3.) What does the MessageCenter display say about the PC Card? “UNKNOWN CARD” PC Card may be defective. Try a different card.
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START HERE Are you trying to load an older version of software than the version in the micro? Does the MessageCenter say “OLD SOFTWARE: CANNOT LOAD”? YES NO NO Insert the PC Card into the PC Card slot on the front of the micro. Be certain that the instructions label on the download card is facing the “Caution” label on the micro. Do not force the card into the slot. Handle the card from the edges.
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SECTION 10 − WIRING 1 PARAGRAPH NUMBER Page 10.1 HARNESS PLUG WIRING FOR UNITS WITH A MAIN POWER SWITCH LABELED ENGINE/OFF/STANDBY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10−1 10.2 HARNESS PLUG WIRING FOR UNITS WITH A MAIN POWER SWITCH LABELED START/RUN-OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10−6 10.
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SECTION 10 WIRING 10.
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10.
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10.1 HARNESS PLUG WIRING FOR UNITS WITH A MAIN POWER SWITCH LABELED ENGINE/OFF/ STANDBY (Continued) 5 MP 4 MP 1 9 Component CCONR-1 (SP60) CDCON-A2 1EVCON-A2 SP55 CCONR-2 CDCON-A1 GENCONR-2 CT BROWN/OGF BROWN (SP54) CT BLACK CT BLUE/OGF BLUE (SP53) 1HTCON1-A1 1HTCON2-A1 1EVCON-A1 FHR-2 Unused terminals: 11, 12.
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10.
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10.
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10.
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10.
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10.
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10.
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10.
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10.3 CONTROL BOX INTERIOR SPLICE POINTS FOR UNITS WITH A MAIN POWER SWITCH LABELED ENGINE/OFF/STANDBY Splice Point No. Component Splice Point No.
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10.4 CONTROL BOX INTERIOR SPLICE POINTS FOR UNITS WITH A MAIN POWER SWITCH LABELED START/RUN-OFF Splice Point No. Component Splice Point No.
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10.5 DISPLAY TEST POINTS NOTE Refer to Section 5.
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VECTOR 6500 With Main Power Switch labeled ENGINE−OFF−STANDBY BASED ON 62−11580 ART2−S2−REVD
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ZONE C13 K7 L3 M2 T1 R12,R1 I8,R12 D10 C12 J9, S4 T4,T5 D8 D10 C11 E4 J1 D6 C5 C7 C12 C11 B15 O3 O3 J9,S3 L10 T3 D10 C15 D9 F4 G15 G15 F3 D4 L2 N10 P5 P2 L14 L15 O2 R12,P10,D1 J7,S10,S12 A1 J8, D16 − − C7 M5,M6 J10,O7,O5 K16 K8 K9 J9 I14 D10 E3 − E15 A10 B4,D8 H1 E4 A3,Q10,Q11 R10,D3,R11 P11 R11,D2,R10 Q11 J8,O10,O12 A2 C14 D7 D13,14,15 H15 D4 C13 J14 J6 L3 H15 L16 K3 J8 J14 ATT B BTY BTYC C CCON CCONR CDP CDT CDCON CDM 1,2 CSMV CSP CST CT1 CT2,3,4 DAS DES IDS DTT ENCT ENOPS ENSCU ENSSN 1EVCON 1EVHTS EVM1
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INDEX A Compressor, Repair or Replacement Determination, 8−20 Air Cleaner, 2−7, 8−11 Compressor, Valve Plate, 8−22 Air Cleaner Service Indicator, 2−7, 8−11 Configuration Mode, 5−2 Air System, Engine, 2−7 Configurations, Microprocessor, 5−12 Alarms, Driver/Operator, 7−3 Configurations, Start−Stop, 4−3 Alarms, Electrical, 7−46 Controls, Engine , 2−7 Alarms, Maintenance, 7−98 coolant, capacity, 2−16 Alarms, Microprocessor, 7−102 Coolant, Engine, 1−1 Alarms, Pretrip, 7−75 Cooling System, 8−13
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INDEX − Continued F Fan, Condenser, 8−36 Filter Drier, 2−10 Filter Drier, Checking, 8−28 Filter Drier, Replacement, 8−28 Leak Checking, Compressor, 8−18 Leak Checking, System Without Charge, 8−17 Leak Checking, With Low Side Pumped Down, 8−18 Light Bar, 2−15, 8−34 lockout/tagout, 1−1 Filter, Engine Oil, 8−10 M Filter, Fuel, 8−9 Frozen Range, 4−3 Main Display, 2−13 Fuel/Speed Actuator, 2−7 Megohmmeter Test Procedure, 8−32 Fuel Heater, 2−7, 8−10 MessageCenter, 2−13, 2−14 Fuel Pump, Electric, 8−9 M
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INDEX − Continued P Parameters, Functional , 3−21 Parameters, Re−Start, 4−5 Parameters, Stop, 4−4 PC Cards, 5−4 PC Cards, Configuration, 5−6 PC Cards, Download, 5−6 PC Cards, Handling, 5−4 PC Cards, Option, 5−6 PC Cards, Program, 5−5 PC Mode, 5−3 Perishable Range, 4−3 Pre Trip Inspection, 8−1 Pretrip, 3−5 Priming The Fuel System, 8−8 ProductShield, 4−11 Pull Down, 4−3 Pull−Up, 4−3 Pumping Down, Compressor, 8−16 Pumping Down, Low Side, 8−16 R Radiator, 8−13 Range Protect, 3−26 Receiver, 2−10 Receiver Sight
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INDEX − Continued T Technician Interface, 5−1 Temperature Control, 4−2, 9−4 Unloader, Coil Replacement , 8−25 Unloader, Replacing Internal Parts, 8−26 Unloader, Valve Replacement, 8−26 Unloaders, 2−7 Temperature Determination, 4−2 Temperature Range Lock, 4−10 V Transducer, Compressor Suction Pressure, 2−9 Transducer, Discharge Pressure, 2−9 Transducer, Evaporator Outlet Pressure, 2−10 Valve, Compressor Suction Modulation, 2−10, 8−28 Valve, Electronic Expansion, 2−10, 8−29 Transducers, Service, 8−31
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North America Carrier Transicold 700 Olympic Drive Athens, GA 30601 USA Tel: 1−706−357−7223 Fax: 1−706−355−5435 Central America and Mexico Ejercito Nacional No. 418 Piso 9, Torre Yumal Col. Chapultepec Morales 11570 Mexico, D.F. Tel: (5255) 9126.0300 Fax: (5255) 9126.0373 Carrier Transicold Division, Carrier Corporation Truck/Trailer Products Group P.O. Box 4805 Syracuse, N.Y. 13221 U.S A www.carrier.transicold.com A member of the United Technologies Corporation family.