Refrigerator User Manual

CONTENTS (cont)
Page
Check Optional Pumpout Compressor
Water Piping ...............................47
Check Relief Devices ........................47
Inspect Wiring ..............................47
Carrier Comfort Network Interface ...........48
Check Starter ...............................48
• MECHANICAL-TYPE STARTERS
• BENSHAW, INC. SOLID-STATE STARTER
Oil Charge ..................................50
Power Up the Controls and
Check the Oil Heater ........................50
• SOFTWARE VERSION
Set Up Chiller Control Configuration .........50
Input the Design Set Points ..................50
Input the Local Occupied Schedule
(OCCPC01S) ...............................50
Selecting Refrigerant Type ...................50
• TO CONFIRM REFRIGERANT TYPE
• TO CHANGE REFRIGERANT TYPE
Input Service Configurations ................50
• PASSWORD
• INPUT TIME AND DATE
• CHANGE LID CONFIGURATION
IF NECESSARY
• MODIFY CONTROLLER IDENTIFICATION
IF NECESSARY
• INPUT EQUIPMENT SERVICE PARAMETERS
IF NECESSARY
• MODIFY EQUIPMENT CONFIGURATION
IF NECESSARY
• CHECK VOLTAGE SUPPLY
• PERFORM AN AUTOMATED CONTROL TEST
Check Optional Pumpout System
Controls and Compressor ...................52
High Altitude Locations .....................53
Charge Refrigerant Into Chiller ...............53
• 19XL CHILLER EQUALIZATION WITHOUT
PUMPOUT UNIT
• 19XL CHILLER EQUALIZATION WITH
PUMPOUT UNIT
• TRIMMING REFRIGERANT CHARGE
INITIAL START-UP .........................55,56
Preparation .................................55
Manual Operation of the Guide Vanes ........55
Dry Run to Test Start-Up Sequence ..........55
Check Rotation .............................55
• IF ROTATION IS PROPER
• IF THE MOTOR ROTATION IS NOT
CLOCKWISE
• NOTES ON SOLID-STATE STARTERS
(Benshaw, Inc.)
Check Oil Pressure and Compressor Stop ....56
Calibrate Motor Current .....................56
To Prevent Accidental Start-Up ..............56
Check Chiller Operating Condition ...........56
Instruct the Customer Operator ..............56
• COOLER-CONDENSER
• OPTIONAL STORAGE TANK AND
PUMPOUT SYSTEM
• MOTOR COMPRESSOR ASSEMBLY
• MOTOR COMPRESSOR LUBRICATION SYSTEM
• CONTROL SYSTEM
• AUXILIARY EQUIPMENT
• DESCRIBE CHILLER CYCLES
• REVIEW MAINTENANCE
• SAFETY DEVICES AND PROCEDURES
• CHECK OPERATOR KNOWLEDGE
• REVIEW THE START-UP, OPERATION,
AND MAINTENANCE MANUAL
Page
OPERATING INSTRUCTIONS ...............56-58
Operator Duties .............................56
Prepare the Chiller for Start-Up ..............56
To Start the Chiller ..........................56
Check the Running System ..................56
To Stop the Chiller ..........................57
After Limited Shutdown .....................57
Extended Shutdown .........................57
After Extended Shutdown ...................57
Cold Weather Operation .....................57
Manual Guide Vane Operation ...............57
Refrigeration Log ...........................57
PUMPOUT AND REFRIGERANT
TRANSFER PROCEDURES ................59-61
Preparation .................................59
Operating the Optional Pumpout
Compressor ................................59
• TO READ REFRIGERANT PRESSURES
Chillers with Pumpout Storage Tanks ........59
• TRANSFER REFRIGERANT FROM
STORAGE TANK TO CHILLER
• TRANSFER THE REFRIGERANT FROM
CHILLER TO STORAGE TANK
Chillers with Isolation Valves ................60
• TRANSFER ALL REFRIGERANT TO
CHILLER CONDENSER VESSEL
• TRANSFER ALL REFRIGERANT TO CHILLER
COOLER/COMPRESSOR VESSEL
• RETURN REFRIGERANT TO NORMAL
OPERATING CONDITIONS
GENERAL MAINTENANCE .................61,62
Refrigerant Properties .......................61
Adding Refrigerant ..........................61
Removing Refrigerant .......................61
Adjusting the Refrigerant Charge ............61
Refrigerant Leak Testing ....................61
Leak Rate ..................................61
Test After Service, Repair, or Major Leak .....61
• REFRIGERANT TRACER
• TO PRESSURIZE WITH DRY NITROGEN
Repair the Leak, Retest, and Apply
Standing Vacuum Test ....................62
Checking Guide Vane Linkage ...............62
• CHECKING THE AUXILIARY SWITCH ON
GUIDE VANE ACTUATOR
Trim Refrigerant Charge .....................62
WEEKLY MAINTENANCE ....................62
Check the Lubrication System ...............62
SCHEDULED MAINTENANCE ..............63-65
Service Ontime .............................63
Inspect the Control Center ...................63
Check Safety and Operating Controls
Monthly ..................................63
Changing Oil Filter ..........................63
Oil Specification ............................63
Oil Changes ................................63
• TO CHANGE THE OIL
Refrigerant Filter ............................63
Oil Reclaim Filters ..........................63
Inspect Refrigerant Float System ............64
Inspect Relief Valves and Piping .............64
Compressor Bearing and Gear
Maintenance ...............................64
Inspect the Heat Exchanger Tubes ...........64
• COOLER
• CONDENSER
3