Carrier XRV Refrigerator User Manual


 
3
CONTENTS (cont)
Page
Chiller Dehydration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Inspect Water Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Check Optional Pumpout Compressor
Water Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Check Relief Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Inspect Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Carrier Comfort Network Interface. . . . . . . . . . . . . . . 54
Check Starter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
MECHANICAL STARTER
BENSHAW, INC. RediStart MICRO™
SOLID-STATE STARTER
VFD STARTER
Oil Charge. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Power Up the Controls and
Check the Oil Heater . . . . . . . . . . . . . . . . . . . . . . . . . . 55
SOFTWARE VERSION
Software Configuration . . . . . . . . . . . . . . . . . . . . . . . . . 55
Input the Design Set Points . . . . . . . . . . . . . . . . . . . . . 55
Input the Local Occupied Schedule
(OCCPC01S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Input Service Configurations. . . . . . . . . . . . . . . . . . . . 55
PASSWORD
INPUT TIME AND DATE
CHANGE CVC/ICVC CONFIGURATION
IF NECESSARY
TO CHANGE THE PASSWORD
TO CHANGE THE CVC/ICVC DISPLAY FROM
ENGLISH TO METRIC UNITS
CHANGE LANGUAGE (ICVC ONLY)
MODIFY CONTROLLER IDENTIFICATION
IF NECESSARY
INPUT EQUIPMENT SERVICE PARAMETERS
IF NECESSARY
CHANGE THE BENSHAW, INC., RediStart
MICRO SOFTWARE CONFIGURATION
IF NECESSARY
VERIFY VFD CONFIGURATION AND CHANGE
PARAMETERS IF NECESSARY
VFD CHILLER FIELD SET UP AND VERIFICATION
VFD CONTROL VERIFICATION (Non-Running)
VFD CONTROL VERIFICATION (Running)
CONFIGURE DIFFUSER CONTROL IF
NECESSARY
MODIFY EQUIPMENT CONFIGURATION
IF NECESSARY
Perform a Control Test . . . . . . . . . . . . . . . . . . . . . . . . . . 62
COOLER CONDENSER PRESSURE TRANSDUCER
AND WATERSIDE FLOW DEVICE CALIBRATION
Check Optional Pumpout System
Controls and Compressor. . . . . . . . . . . . . . . . . . . . . 63
High Altitude Locations . . . . . . . . . . . . . . . . . . . . . . . . . 63
Charge Refrigerant Into Chiller . . . . . . . . . . . . . . . . . . 63
CHILLER EQUALIZATION WITHOUT A
PUMPOUT UNIT
CHILLER EQUALIZATION WITH
PUMPOUT UNIT
TRIMMING REFRIGERANT CHARGE
INITIAL START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64-66
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Dry Run to Test Start-Up Sequence . . . . . . . . . . . . . 65
Check Motor Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Check Oil Pressure and Compressor Stop . . . . . . 65
To Prevent Accidental Start-Up. . . . . . . . . . . . . . . . . . 65
Check Chiller Operating Condition . . . . . . . . . . . . . . 65
Instruct the Customer Operator . . . . . . . . . . . . . . . . . 65
•COOLER-CONDENSER
OPTIONAL PUMPOUT STORAGE TANK AND
PUMPOUT SYSTEM
MOTOR COMPRESSOR ASSEMBLY
Page
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
OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . .66,67
Operator Duties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Prepare the Chiller for Start-Up . . . . . . . . . . . . . . . . . 66
To Start the Chiller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Check the Running System . . . . . . . . . . . . . . . . . . . . . 66
To Stop the Chiller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
After Limited Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . 66
Preparation for Extended Shutdown . . . . . . . . . . . . 66
After Extended Shutdown . . . . . . . . . . . . . . . . . . . . . . . 67
Cold Weather Operation. . . . . . . . . . . . . . . . . . . . . . . . . 67
Manual Guide Vane Operation. . . . . . . . . . . . . . . . . . . 67
Refrigeration Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
PUMPOUT AND REFRIGERANT TRANSFER
PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67-71
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Operating the Optional Pumpout Unit . . . . . . . . . . . 67
TO READ REFRIGERANT PRESSURES
Chillers with Storage Tanks . . . . . . . . . . . . . . . . . . . . . 69
TRANSFER REFRIGERANT FROM
PUMPOUT STORAGE TANK TO CHILLER
TRANSFER REFRIGERANT FROM
CHILLER TO PUMPOUT STORAGE TANK
Chillers with Isolation Valves. . . . . . . . . . . . . . . . . . . . 70
TRANSFER ALL REFRIGERANT TO
CHILLER CONDENSER VESSEL
TRANSFER ALL REFRIGERANT TO
CHILLER COOLER VESSEL
RETURN CHILLER TO NORMAL
OPERATING CONDITIONS
GENERAL MAINTENANCE . . . . . . . . . . . . . . . . . . . .71,72
Refrigerant Properties . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Adding Refrigerant. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Removing Refrigerant. . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Adjusting the Refrigerant Charge . . . . . . . . . . . . . . . 71
Refrigerant Leak Testing . . . . . . . . . . . . . . . . . . . . . . . . 71
Leak Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Test After Service, Repair, or Major Leak . . . . . . . . 71
TESTING WITH REFRIGERANT TRACER
TESTING WITHOUT REFRIGERANT TRACER
TO PRESSURIZE WITH DRY NITROGEN
Repair the Leak, Retest, and Apply
Standing Vacuum Test . . . . . . . . . . . . . . . . . . . . . . . . 72
Checking Guide Vane Linkage . . . . . . . . . . . . . . . . . . 72
Trim Refrigerant Charge. . . . . . . . . . . . . . . . . . . . . . . . . 72
WEEKLY MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . 72
Check the Lubrication System . . . . . . . . . . . . . . . . . . 72
SCHEDULED MAINTENANCE . . . . . . . . . . . . . . . . 73-75
Service Ontime. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Inspect the Control Panel . . . . . . . . . . . . . . . . . . . . . . . 73
Check Safety and Operating Controls
Monthly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Changing Oil Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Oil Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Oil Changes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
TO CHANGE THE OIL
Refrigerant Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Oil Reclaim Filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Inspect Refrigerant Float System . . . . . . . . . . . . . . . 74