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