® Wall Mounted Mini-Split System Air Conditioning/Heat Pump Service Manual B/A-HMC09AS B/A-HMC12AS, B/A-HMH12AS B/A-HMC18AS, B/A-HMH18AS B/A-HMC24AS, B/A-HMH24AS Before servicing the unit, read the “safety precautions” in this manual. Only for authorized service personnel.
Contents Functions...................................................................................................................................... 3 Product Specifications ................................................................................................................ 5 Dimensions................................................................................................................................... 7 Refrigeration Cycle Diagram................................................
Functions Indoor Unit Operation ON/OFF by Remote controller Sensing the Room Temperature • Room temperature sensor (THERMISTOR) Room temperature control • Maintains the room temperature in accordance with the Setting Temp. Starting Current Control • Indoor fan is delayed for 5 seconds at the starting. Time Delay Safety Control • Restarting is inhibited for approx. 3 minutes.
Remote Controller Operation ON/OFF Operation Mode Selection Cooling Operation Mode.( (Cooling (Heating model only) model only) ) Healthy Dehumidification Operation Mode.( Auto Operation Mode.( ) Heating Operation Mode.
Product Specifications(Cooling Only) Items Unit Power Supply ø, V, Hz Cooling Capacity BTU/h Input W Running Current A COMP. Locked Rotor AMP. A E.E.
Product Specifications(Cooling & Heating) Items Power Supply Cooling Capacity Heating Capacity Input Running Current COMP. Locked Rotor AMP. E.E.R C.O.
Dimensions (1) Indoor Unit D W H Installation plate Tubing hole cover Tubing hole cover MODEL DIM 9K 12K 18K, 24K W mm(inch) 802(31.6") 888(35.0") 1,080(42.5") H mm(inch) 262(10.3") 287(11.3") 314(12.4") D mm(inch) 165(6.5") 170(6.7") 181(7.
(2) Outdoor Unit 1. 9K, 12K L2 D L1 W H L3 L5 Gas side (3-way valve) L4 Liquid side (2-way valve) DIM MODEL unit 9K, 12K W mm(inch) 770(30.3) H mm(inch) 540(21.3) D mm(inch) 245(9.6) L1 mm(inch) 287(11.3) L2 mm(inch) 64(2.5) L3 mm(inch) 518(20.4) L4 mm(inch) 10(0.4) L5 mm(inch) 100(3.
2. 18K, 24K L1 L9 H L3 L2 D W L4 L10 Gas side 3-way valve L6 L5 L7 MODEL Liquid side 3-way valve L8 18K, 24K DIM W mm(inch) 870(34.3) H mm(inch) 655(25.8) D mm(inch) 320(12.6) L1 mm(inch) 370(14.6) L2 mm(inch) 25(1.0) L3 mm(inch) 630(24.8) L4 mm(inch) 25(1.0) L5 mm(inch) 546(21.5) L6 mm(inch) 162(6.4) L7 mm(inch) 162(6.4) L8 mm(inch) 54(2.1) L9 mm(inch) 74.5(2.9) L10 mm(inch) 79(3.
Refrigeration Cycle Diagram • Cooling Only Models INDOOR UNIT OUTDOOR UNIT LIQUID SIDE CAPILLARY TUBE HEAT EXCHANGER (EVAPORATOR) HEAT EXCHANGER (CONDENSER) COMPRESSOR GAS SIDE Pipe size(Diameter:ø) Piping length Elevation MODEL Gas Liquid Rated Max Rated Max 9K, 12K (Cooling Only) 1/2" 1/4" 7.62m(25ft) 15m(50ft) 5m(16ft) 8m(26ft) 18K (Cooling Only) 5/8" 1/4" 7.62m(25ft) 15m(50ft) 5m(16ft) 8m(26ft) 24K (Cooling Only) 5/8" 3/8" 7.
• Cooling & Heating Models OUTDOOR UNIT INDOOR UNIT LIQUID SIDE CAPILLARY TUBE HEAT EXCHANGER (EVAPORATOR) CHECK VALVE HEAT EXCHANGER (CONDENSER) GAS SIDE REVERSING VALVE COOLING HEATING COMPRESSOR Pipe size(Diameter:ø) MODEL Piping length Elevation Gas Liquid Rated Max Rated Max 9K, 12K (Cooling & Heating) 1/2" 1/4" 7.62m(25ft) 15m(50ft) 5m(16ft) 8m(26ft) 18K (Cooling & Heating) 5/8" 1/4" 7.62m(25ft) 15m(50ft) 5m(16ft) 8m(26ft) 24K (Cooling & Heating) 5/8" 3/8" 7.
Wiring Diagram (1) Indoor Unit BLDC MOTOR CN-UP/DOWN CN-MOTOR CN-DC/DC MAIN P.C.B INDOOR WIRING DIAGRAM - 12 - BL BK BR RD 4 3 2 1 PILLAR TERMINAL 3854AR7074A TO OUTDOOR UNIT STEP MOTOR CN-DISP DISPLAY P.C.B (ROOM) THERMISTOR (PIPE) CN-TH 1.
(2) Outdoor Unit • Cooling Only Models 1. 9K, 12K MAIN P.C.B CN-TRANS YL T/B 1 RD ZNR BR MOTOR FUSE 3.15A RD BL BL TRANSFORMER BL BK BK RY-COMP 4 CN-POWER F CAPACITOR 3 BL CN-DC/DC RD BR BK BL C BR H FUSE 2.5A BL BR (N) TERMINAL BLOCK YL BR (L) G R S C COMP. O.L.P TO INDOOR UNIT POWER INPUT OUTDOOR WIRING DIAGRAM 3854A30077Z 2. 18K ZNR MOTOR FUSE 3.15A BK F BR C 3 4 CN-POWER CN-DC/DC BR BL 8 YL O.L.P S C BR RD BR BK BL FUSE 2.
• Cooling & Heating Models BK T/B 3 RD BK T/B 4 RD RY-4WAY MAIN P.C.B BL F CN-FAN WH T/B 1 MOTOR CAPACITOR RY-FAN YL RY-HEATER WH WH T/B 2 ZNR FUSE 3.15A BL BL BK BK RY-COMP 3 WH C CN-TRANS RD TRANSFORMER 4WAYVALVE CN-4WAY 1. 9K, 12K H CRANK CASE HEATER 4 CN-POWER BR CN-DC/DC RD BR BK BL BL FUSE 2.5A BL BR YL S C R BR O.L.P COMP. (N) TERMINAL BLOCK RD (L) G TO INDOOR UNIT POWER INPUT OUTDOOR WIRING DIAGRAM 3854A30077W F R C YL S C 0 8 ZNR FUSE 3.
Operation Details (1) The function of main control 1. Time delay Safety Control • 3min.; The compressor operation is delayed for 3 minutes to balance the pressure of cycle. (Protection of compressor) • 5sec.; The indoor fan is delayed for 5 seconds, when operating initially, to prevent noises occurred by the vertical louver and wind. • 2min.
4. Auto Operation (Electronic control mode) • The operation procedure is shown below. (Cooling & Heating Model) Press Start/Stop Button Select Auto Operation Mode Check the Room temperature Operation mode Indoor fan speed Setting temperature are decided automatically by the unit electronic control. Intake-air temperature below 70°F Operation Mode Heating Over 70°F ~ below 76°F Over 76°F Soft Dry Cooling ❋ If initial mode is decided, that mode is continued without the room temperature changing.
■ Auto Operation for Dehumidification(only Heating Model) • The Setting temperature will be same that of the auto operation for cooling. - Compressor ON temperature; Setting temperature +2°F - Compressor OFF temperature; Setting temperture -1°F ■ Auto Intake-air temp. below 68°F Over 68°F~below 70°F over 86°F Setting temp.
5. Healthy Dehumidification • When the dehumidification operation input by the remote control is received, the intake air temperature is detected and the setting temp is automatically set according to the intake air temperature. 26°C ≤ Intake Air Temp ➲ 25°C 24°C ≤ Intake Intake Air Temp<26°C ➲ Intake Air Temp-1°C 18°C ≤ Intake Intake Air Temp<24°C ➲ Intake Air Temp-0.5°C Intake Air Temp<18°C ➲ 18°C • While in compressor off, the indoor fan repeats low airflow speed and pause.
6. Heating Operation Mode(only Heating Model) The unit will operate according to the setting conditions by the remote controller. The operation diagram is shown below. INTAKE AIR TEMP. SETTING TEMP. +6°F (Compressor OFF) A SETTING TEMP. (Compressor ON) INDOOR FAN SPEED COMPRESSOR B A minimum minimum minimum 10sec. 1 min. 10sec.
7. Cooling or Heating Mode with Sleep Mode Auto Control • When selecting the Cooling( ) or the Heating( operation diagram is as following. ■ Cooling ) combined with the Sleep Mode Auto Control( ), the Mode with the Sleep Mode • The setting temperature will be automatically raised by 2°F 30 minutes later and by 4°F 1 hour later. • The operation will be stopped after 1, 2, 3, 4, 5, 6, 7 hours. 30 minutes 30 minutes INTAKE AIR TEMP. 2°F 2°F SETTING TEMP. +1°F (Compressor ON) SETTING TEMP.
8. Forced Operation Operation procedures when the remote control can't be used. Open the front panel upward and move the Slide Switch to the Forced Operation position. If you want to stop operation, move the Slide Switch to the Auto Restart or the Remote Control position. In case the power comes on again after power failure on the Forced Operation position, the operating conditions are automatically set as follows: During Forced Operation, the initial mode continues.
Display Function Operation Indicator • Cooling, Soft Dry, Fan, Heating Sleep timer Indicator • Sleep Mode Timer Indicator • Timer Mode : Cooling & Heating Model only Defrost Indicator or Hot start Indicator OUT DOOR • Hot-start, Defrost : only Cooling Model • Compressor ON • BUZZER SOUND • Power Input or Reset : One short beep. • When Operation Stop Button is pressed : One long beep. • When Remote Controller Buttons except for Operation Stop are pressed : Two short beep.
Installation IMPORTANT! Please read this instruction sheet completely before installing the product. This air conditioning system meets strict safety and operating standards. As the installer or service person, it is an important part of your job to install or service the system so it operates safely and efficiently. WARNING • Installation or repairs made by unqualified persons can result in hazards to you and others.
(1) Installation Parts Provided More than 60cm(24") More than 10cm(4") More than 10cm(4") 1. Type "A" screw 2. Installation Plate More than 60cm(24") More than 70cm(28") 3. Type "B" screw 4. Holder Remote Control (2) Installation of indoor, outdoor unit Read completely, then follow step by step. ■ Rooftop Installations: If the outdoor unit is installed on a roof structure, be sure to level the unit. Ensure the roof structure and anchoring method are adequate for the unit location.
3) How to fix installation plate 18, 24K Btu The wall you select should be strong and solid enough to prevent vibration Left rear piping Right rear piping D C B,D 1. Mount the installation plate on the wall with four type A screws. If mounting the unit on a concrete wall, use anchor bolts. ■ Mount the installation plate horizontally by aligning the centerline using a level. A,B,C C A,B A C A,B,D D Hole Center Installation Plate ø70mm(2.
4. Flaring work ■ Carry out flaring work using flaring tool as shown below. (3) Flaring work and connection of piping 1) Flaring work Outside diameter Main cause for gas leakage is due to defect in flaring work. Carry out correct flaring work in the following procedure. 1. Cut the pipes and the cable. ■ Use the piping kit accessory or the pipes purchased locally. ■ Measure the distance between the indoor and the outdoor unit. ■ Cut the pipes a little longer than measured distance. ■ Cut the cable 1.5m(4.
2) Connection of piping --Indoor ■ Preparing the indoor unit's piping and drain hose for installation through the wall. ■ Remove the plastic tubing retainer(see illustration below) and pull the tubing and drain hose away from chassis. ■ Replace the plastic tubing holder in the original position. 3. Tape the tubing, drain hose and the connecting cable. Be sure that the drain hose is located at the lowest side of the bundle. Locating at the upper side can cause drain pan to overflow inside the unit.
■ Tighten the flare nut with a wrench. ■ Wrap the area which accommodates the rear piping housing section with vinyl tape. Spanner (fixed) Flare nut Vinyl tape (wide) Connection pipe Torque wrench Indoor unit pipe Connection pipe Wrap with vinyl tape Connecting cable Indoor unit tubing Pipe Pipe Size[Torque] Capacity (Btu/h) GAS LIQUID 9K 1/2"[5.5kg.m] 1/4"[1.8kg.m] 12K 1/2"[5.5kg.m] 1/4"[1.8kg.m] 18K 5/8"[6.6kg.m] 1/4"[1.8kg.m] 24K 5/8"[6.6kg.m] 3/8"[4.2kg.
3. Insert the connecting cable into the indoor unit. ■ Don't connect the cable to the indoor unit. ■ Make a small loop with the cable for easy connection later. 4. Tape the drain hose and the connecting cable. Pipe Size[Torque] Capacity (Btu/h) GAS LIQUID 9K 1/2"[5.5kg.m] 1/4"[1.8kg.m] 12K 1/2"[5.5kg.m] 1/4"[1.8kg.m] 18K 5/8"[6.6kg.m] 1/4"[1.8kg.m] 24K 5/8"[6.6kg.m] 3/8"[4.2kg.m] ■ When extending the drain hose at the indoor unit, install the drain pipe. Drain hose 5.
■ Bundle the piping and drain hose together by wrapping them with cloth tape over the range within which they fit into the rear piping housing section. Pipe 3) Connection of the pipes-Outdoor 1. Align the center of the pipings and sufficiently tighten the flare nut by hand Drain hose Vinyl tape (narrow) Wrap with vinyl tape(wide) 8. Reroute the pipings and the drain hose across the back of the chassis. Piping for passage through piping hole 9.
(4) Connecting the cable between indoor unit and outdoor unit 1. Remove the cover control from the unit by loosening the 3 screws. 2. Dismount caps on the conduit panel. 3. Temporarily mount the conduit tubes on the conduit panel. 4. Properly connect both the power supply and low voltage lines to the corresponding terminals on the terminal block. 5. Ground the unit in accordance with local codes. 6. Be sure to size each wire allowing several inches longer than the required length for wiring. 7.
Connection method of the connecting cable(Example) (1) Dismount two-caps on the conduit panel. (2) Make a hole appropriate for the passage of connection cable through on cap by tool. (for low voltage line) (3) Pass the connecting cable through the hole. (4) Properly connect the cable on the terminal block. (5) Fix the connection cable with clamp cord provided on the unit not to have strain at the terminal when the connection cable is pulled outside up to a 35 pound weight.
CAUTION If a power plug is not to be used, provide a circuit breaker between power source and the unit as shown below. Main power source Air Conditioner Circuit Breaker Use a circuit breaker or time delay fuse. Connect the cable to the indoor unit 1. Connect the wires to the terminals on the control board individually according to the outdoor unit connection. • Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of indoor unit respectively.
(5) Checking the Drainage and forming the pipings 1) Checking the drainage 2) Form the piping 1. To remove the front panel from the indoor unit, remove the front panel from the indoor unit cabinet. ■ Set the air direction louvers up-and-down to the position(horizontally) by hand. ■ Remove the securing screws that retain the front panel. Pull the lower left and right sides of the grille toward you and lift it off. (9K Btu models: 2EA,12K Btu models: 3EA) 1.
(6) Air Purging Air and moisture remaining in the refrigerant system have undesirable effects as indicated below. • Pressure in the system rises. • Operating current rises. • Cooling(or heating) efficiency drops. • Moisture in the refrigerant circuit may freeze and block capillary tubing. • Water may lead to corrossion of parts in the refrigeration system.
■ Evacuation 1. Connect the charge hose end described in the preceding steps to the vacuum pump to evacuate the tubing and indoor unit. Confirm the "Lo" knob of the manifold valve is open. Then, run the vacuum pump. The operation time for evacuation varied with the tubing length and capacity of the pump. The following table shows the amount of time for evacuation. Allow the pump to operate until the system has been evacuated down to 300 microns.
(7) Test running 1. Check that all tubing and wiring have been properly connected. 2. Check that the gas and liquid side service valves are fully open. 1. Prepare remote control Remove the battery cover by pulling it according to the arrow direction. Insert new batteries making sure that the (+) and (–) of battery are installed correctly. Reattach the cover by pushing it back into position. 3. Evaluation of the performance Operate unit for 15~20 minutes, then check the system refrigerant charge: 1.
Operation (1) Name and Function-Remote Control (Cooling Models) Remote Controller Signal transmitter. Transmits the signals to the room air conditioner. Signal transmitter ON 1 ON/OFF TIMER BUTTONS Used to set the time of starting and stopping operation. 2 TIME SETTING BUTTONS Used to adjust the time. 3 TIMER SET/CANCEL BUTTONS Used to set the timer when the desired time is obtained and to cancel the Timer operation. 4 SLEEP MODE AUTO BUTTON Used to set Sleep Mode Auto operation.
(2) Name and Function-Remote Control (Heat Pump Models) Remote Controller Signal transmitter. Transmits the signals to the room air conditioner. Signal transmitter 1 ON/OFF TIMER BUTTONS Used to set the time of starting and stopping operation. 2 TIME SETTING BUTTONS Used to adjust the time. 3 TIMER SET/CANCEL BUTTONS Used to set the timer when the desired time is obtained and to cancel the Timer operation.
Disassembly of the parts (Indoor unit) (1) 9K, 12K Models(Cooling Only, Cooling & Heating) Warning : Disconnect the unit from power supply before making any checks. Be sure the power switch is set to “OFF”. To remove the Grille from the Chassis. • Set the up-and-down air discharge louver to open position (horizontally) by finger pressure. • Remove the securing screws (9K Btu models: 2EA).
2. To remove the Control Box. • Remove 2 securing screws. • Pull the control box out from the chassis carefully. 3. To remove the Discharge Grille. • Unhook the discharge grille and pull the discharge grille out from the chassis carefully. 4. To remove the Evaporator. • Remove 3 screws securing the evaporator(at the left 2EA in the Eva Holder, at the right 1EA).
• Unhook the tab on the right inside of the chassis at the same time, slightly pull the evaporator toward you until the tab is clear of the slot. 5. To remove the Cross-Flow Fan • Loosen the screw securing the cross-flow fan to the fan motor (do not remove). • Lift up the right side of the cross-flow fan and the fan motor, separate the fan motor from the cross-flow fan. • Remove the left end of the cross-flow fan from the self-aligning bearing.
(2) 18K, 24K, Models Cooling Only, Cooling & Heating) Warning : Disconnect the unit from power supply before making any checks. Be sure the power switch is set to “OFF”. To remove the Grille from the Chassis. • Set the up-and-down air discharge louver to open position (horizontally) by finger pressure. • Remove the securing screws • To remove the Grille, pull the lower left and right side of the grille toward you (slightly tilted) and lift it straight upward. Screw (3EA) 1.
2. To remove the Control Box. • Remove 2 securing screws. • Pull the control box out from the chassis carefully. 3. To remove the Discharge Grille. • Remove the securing screw. • Pressing the right side of the discharge grille downward slightly, unhook the discharge grille. • Pull the discharge grille out from the chassis carefully. 4. To remove the Evaporator. • Remove 3 screws securing the evaporator(at the left 1EA, at the right 2EA).
• Unhook the tab on the right inside of the chassis at the same time, slightly pull the evaporator toward you until the tab is clear of the slot. 5. To remove the Cross-Flow Fan • Loosen the screw securing the cross-flow fan to the fan motor (do not remove). • Lift up the right side of the cross-flow fan and the fan motor, separate the fan motor from the cross-flow fan. • Remove the left end of the cross-flow fan from the self-aligning bearing.
Cycle Troubleshooting Guide 1. Trouble analysis 1. Check temperature difference between intake and discharge air and operating current. Temp. difference :approx. 0°F Current :less than 80% of rated current All amount of refrigerant leaked out. Check refrigeration cycle. Temp. difference :approx. 8°C(14°F) Current :less than 80% of rated current Refrigerant leakage Clog of refrigeration cycle Defective compressor Temp.
2. Product does not operate at all. (* Refer to Electronic Control Device drawing and Schematic diagram.) Turn off Main Power (After 10 seconds) Turn on Main Power Does "beeping" sound is made from the Indoor Unit? YES NO Primarily, the operating condition of Micom is OK.
3. The product is not operate with the remote controller. Turn on Main Power While the compressor has been stopped, the compressor does not operate owing to the delaying function for 3 minutes after stopped. When the compressor stopped Indoor Fan is driven by a low speed. At this point the wind speed is not controlled by the remote controller. (When operated in the Sleeping Mode, the wind speed is set to the low speed by force.
4. Compressor/Outdoor Fan are unable to drive. Turn on Main Power Operate "Cooling Mode( )" by setting the desired temperature of the remote controller is less than one of the indoor temperature by 2°F at least. When in Fan Mode, Compressor/Outdoor Fan is stopped. Check the sensor for indoor temperature is attached as close as to be effected by the temperature of Heat Exchanger(EVA).
5. When Indoor Fan does not operate. Does the voltage of each terminals of CN-MOTOR CONNECTOR in Indoor unit corresponds to values in the Table of page 51? Does the voltage of terminal of CN-DC/DC CONNECTOR in Indoor unit corresponds to the values in the table of page 51? Do the voltage of terminal of CN-DC/DC CONNECTOR in Outdoor unit corresponds to the values in the table of page 51? NO Check the patterns and the conditions of outdoor unit PWB Assy's.
6. When Vertical Louver does not operate. • Confirm that the Vertical Louver is normally geared with the shaft of Stepping Motor. • If the regular torque is detected when rotating the Vertical Louver with hands ⇒ Normal • Check the connecting condition of CN-UP/DOWN Connector • Check the soldering condition(on PWB) of CN-UP/DOWN Connector Check the operating circuit of the Vertical Louver • Confirm that there is DC +12V between pin②(RED) of CN-UP/DOWN and GND.
7. When a comunication error occurs. • The operation indicator of Indoor unit blinks five times. • The red indicator of Outdoor unit blinks five times. Check the connecting wires between Indoor and Outdoor unit for the connecting error and the contacting condition. Check the installation condition of outdoor unit. Check for the communication error and the operating condition of product after also operating with the remote controller, then taking above 2 minutes.
8. The phenomena in case of connecting error INDOOR UNIT Connector Type CN-DC/DC Phenomena Condition Open and connecting error • The same as the phenomenon of Outdoor Unit. ①②③④⑤ ① ② ③ ④ Blue Black Brown Red CN-MOTOR Open • The indoor fan does not operate. • The operation indicator of Indoor unit blinks 8 times. Open • The up/down vane does not operate. CN-UP/DOWN Short between terminals CN-DISP Open • The up/down vane does not smoothly operate. • It does not operate with a remote controller.
OUTDOOR UNIT Connector Type OPEN CN-POWER Connecting reversely • All functions stop. • The operation with the remote controller, forced and test one do not operate. • PWB pattern is damaged when applying the power. OPEN • All functions stop or the compressor does not operate. • The operation with the remote controller, forced and test one do not operate. Connecting reversely • All functions stop. • The operation with the remote controller, forced and test one do not operate.
CN-MOTOR - 55 - OUTDOOR TERMINAL BLOCK INDOOR PILLAR TERMINAL INDOOR CNMOTOR CONNELTORS MODELS 1 2 3 4 3 3 1 3 4 2 3 1 3 4 3 2 4 2 2 2 1 3 - + No. of pins BL BK BR RD Hi Med Low Off S-Hi Hi Med Low DC Voltage(±10%) DC Voltage(±10%) Off S-Hi 2 Hi Med Low DC Voltage(±10%) 18K 3 4 RY-COMP CN-POWER 1 BL Off S-Hi CN-TRANS 24K 1 2 3 4 RD BR BK BL CN-DC/DC Hi Med Low DC Voltage(±10%) 1 2 3 4 5 6 BK BK POWER TRANS Off 5.0 5.0 5.
Electronic Control Device (1) MAIN PWB ASSY(Indoor Unit) • PWB ASSY SVC PART LIST OPTIONAL FUNCTION NO MODEL P/No. OR1H OR2H OR3H OR4H OR5H OR6H 1 24K Heating Model 6871A10035A OPEN 56K 3K OPEN OPEN OPEN 2 24K Cooling Model 6871A10035B 12K 56K 3K OPEN OPEN OPEN 3 18K Heating Model 6871A10035C OPEN 56K 6.8K OEPN OPEN OPEN 4 18K Cooling Model 6871A10035D 12K 56K 6.
(2) MAIN PWB ASSY(Outdoor Unit) • PWB ASSY SVC PART LIST OPTIONAL FUNCTION NO MODEL P/No. OR4H OR5H OR6H OR7H OR 8H FUSE 1 12K Heaing Model 6871A10036E 6.8K 5.1K 1K OPEN 39K 2 12K Cooling Model 6871A10036F 6.8K 5.1K 1K OPEN 39K 3 9K Cooling Model 6871A10036H 6.8K 10K 6.8K 3K 4 18K Heaing Model 6871A10036C 6.8K 10K 5.1K 5 18K Cooling Model 6871A10036D 6.8K 10K 5.1K 6 24K Heaing Model 6871A10036A 3K 2K 6.8K OPEN 3K 7 24K Cooling Model 6871A10036C 3K 2K 6.
(3) DISPLAY PWB ASSY <9K, 12K, 18K, 24K> (P/No: 6871A30009C) - 58 -
CN-U/D 7 1 1 Vcc RECEIVER - 59 - NC COM LIMIT SWITCH NO Option 2 1 1 3 2 1 2 3 AUTO RESTART REMOTE CONTROL 4 FORCED OPERATION 3 6 GND 2 5 4 3 CN-SW SW01F C02L 220 10V CN-DISP 1 2 3 4 5 6 5 4 3 7 1 2 3 4 5 2 LED1 LED4 LED3 LED2 RD OR YL PK BL Vout Operation CMP Sleep Timer (UP/DOWN) R06F 20K 5V receiver R04F 20K R01G~R04G 220 4 5 6 7 13 12 11 10 5V C06D 103 R11H~R14H 20K R02F 20K 2 15 3 1 16 14 8 9 9 C S Vss + C05D 470uF
- 60 - 1 2 3 4 1 2 3 4 CN-DC/DC 3 2 8 C92 104 50V D92 1N4148 R92 2.7K DC 5V DC 5V DC 5V VR71 220 R75 23.2K 34K 1.06K 5.23K 56 R95 7 20K 14 3K 3 4 2 1 R74 2K 1% 4 29.4K 102 + 8 - D91 1N4148 ZD81 5.1V R81 XXX 1% - 3 + + C73 100uF 25V 5.1K 13K 5 + R73 13K 1% 22 390 R93 C91 103 21.5K C06 103 O 5V R64 10K - + I C67 473K 100V C03 470uF 25V 7805 IC3 5 L63 L64 R72 11K 1% + C04 103 O 12V Q62 2SD2220 DC 5V OR5 XXX 1% R25 12.
135314 267110 135312 152302 268712 135311 - 61 146811 249951 159901 342800 359011 352150 131410 268714 263230 35211B 354212 346810 733010 Exploded View and Replacement Parts List 1.
Parts List(9K) LOCATION NO.
135314 267110 135312 152302 268712 159901-1 135311 - 63 146811 249951 159901-2 342800 359011 352150 131410 268714 263230 35211B 354212 346810 733010 2.
Parts List(12K) LOCATION NO.
135314 267110 135312 152302 159901-1 135311 354212 - 65 159901-2 249951 342800 359011 268712 146811 352150 131410 268714 263230 35211B 346810 733010 3.
Parts List(18K, 24K) LOCATION NO.
437210 559010 546810 - 67 - 668711 430410 W0CZZ 261704 549610 649950 554031 552203-3 552203-1 550140 553000 554160 567502 552202 552111 437212 552116 561410 435511 4.
Parts List(9K, 12K) LOCATION NO. PART NAME 552116 TUBE ASSY,REVERSING 552202 VALVE,REVERSING 552203-1 VALVE,SERVICE 552203-3 VALVE,SERVICE 553000 554031 554160 559010 561410 567502 649950 668711 W0CZZ 552111 261704 430410 435511 437210 437212 546810 550140 HEATER,SUMP CONDENSER ASSY,BENT COMPRESSOR SET FAN ASSY,PROPELLER COIL ASSY,REVERSING VALVE O.L.
437210 435512 - 69 430411 447910 559010 546810 549610 550140 554160 567502 261704 554031 553000 W0CZZ 668711 552111 561410 552116 649950 552203-3 552203-2 435511 437212 5.
Parts List(18K) LOCATION NO.
437210 435512 550140 546810 430411 559010 549610 554160 261704 554031 668711 W0CZZ 552111 - 71 - 435511 552203-1 552203-3 649950 437212 6.
Parts List(24K) LOCATION NO.
Specifications and performance data subject to change without notice.
