Carrier 19XR Start-Up, Operation And Maintenance Instructions Manual page 3

Power Up the Controls and
Check the Oil Heater . . . . . . . . . . . . . . . . . . . . . 53
• SOFTWARE VERSION
Software Configuration . . . . . . . . . . . . . . . . . . . . 53
Input the Design Set Points . . . . . . . . . . . . . . . . 53
Input the Local Occupied Schedule
(OCCPC01S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Input Service Configurations . . . . . . . . . . . . . . . 53
• PASSWORD
• INPUT TIME AND DATE
• CHANGE CVC CONFIGURATION
IF NECESSARY
• TO CHANGE THE PASSWORD
• TO CHANGE THE CVC DISPLAY FROM
ENGLISH TO METRIC UNITS
• MODIFY CONTROLLER IDENTIFICATION
IF NECESSARY
• INPUT EQUIPMENT SERVICE PARAMETERS
IF NECESSARY
• CONFIGURE DIFFUSER CONTROL IF
NECESSARY
• MODIFY EQUIPMENT CONFIGURATION
IF NECESSARY
Perform a Control Test . . . . . . . . . . . . . . . . . . . . . . 56
Check Optional Pumpout System
Controls and Compressor . . . . . . . . . . . . . . . . 56
High Altitude Locations . . . . . . . . . . . . . . . . . . . . 56
Charge Refrigerant Into Chiller . . . . . . . . . . . . . 56
• CHILLER EQUALIZATION WITHOUT A
PUMPOUT UNIT
• CHILLER EQUALIZATION WITH
PUMPOUT UNIT
• TRIMMING REFRIGERANT CHARGE
INITIAL START-UP . . . . . . . . . . . . . . . . . . . . . . . . . 58,59
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Dry Run to Test Start-Up Sequence . . . . . . . . . 58
Check Motor Rotation . . . . . . . . . . . . . . . . . . . . . . 58
• IF THE MOTOR ROTATION IS CLOCKWISE
• IF THE MOTOR ROTATION IS NOT
CLOCKWISE
Check Oil Pressure and Compressor
Stop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
To Prevent Accidental Start-Up . . . . . . . . . . . . . 59
Check Chiller Operating Condition . . . . . . . . . . 59
Instruct the Customer Operator . . . . . . . . . . . . 59
• COOLER-CONDENSER
• OPTIONAL PUMPOUT 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
OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . 59-61
Operator Duties . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Prepare the Chiller for Start-Up . . . . . . . . . . . . . 59
To Start the Chiller . . . . . . . . . . . . . . . . . . . . . . . . 59
Check the Running System . . . . . . . . . . . . . . . . 59
To Stop the Chiller . . . . . . . . . . . . . . . . . . . . . . . . . 60
After Limited Shutdown . . . . . . . . . . . . . . . . . . . . 60
Preparation for Extended Shutdown . . . . . . . . 60
CONTENTS (cont)
Page
After Extended Shutdown . . . . . . . . . . . . . . . . . . 60
Cold Weather Operation . . . . . . . . . . . . . . . . . . . 60
Manual Guide Vane Operation . . . . . . . . . . . . . . 60
Refrigeration Log . . . . . . . . . . . . . . . . . . . . . . . . . . 60
PUMPOUT AND REFRIGERANT TRANSFER
PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . 62-64
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Operating the Optional Pumpout Unit . . . . . . 62
• TO READ REFRIGERANT PRESSURES
Chillers with Storage Tanks . . . . . . . . . . . . . . . . 63
• TRANSFER REFRIGERANT FROM
PUMPOUT STORAGE TANK TO CHILLER
• TRANSFER THE REFRIGERANT FROM
CHILLER TO PUMPOUT STORAGE TANK
Chillers with Isolation Valves . . . . . . . . . . . . . . . 64
• TRANSFER ALL REFRIGERANT TO
CHILLER CONDENSER VESSEL
• TRANSFER ALL REFRIGERANT TO
CHILLER COOLER VESSEL
• RETURN CHILLER TO NORMAL
OPERATING CONDITIONS
GENERAL MAINTENANCE . . . . . . . . . . . . . . . . . 65,66
Refrigerant Properties . . . . . . . . . . . . . . . . . . . . . 65
Adding Refrigerant . . . . . . . . . . . . . . . . . . . . . . . . 65
Removing Refrigerant . . . . . . . . . . . . . . . . . . . . . . 65
Adjusting the Refrigerant Charge . . . . . . . . . . . 65
Refrigerant Leak Testing . . . . . . . . . . . . . . . . . . . 65
Leak Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Test After Service, Repair, or Major Leak . . . . 65
• REFRIGERANT TRACER
• TO PRESSURIZE WITH DRY NITROGEN
Repair the Leak, Retest, and Apply
Standing Vacuum Test . . . . . . . . . . . . . . . . . . . 65
Checking Guide Vane Linkage . . . . . . . . . . . . . . 65
Trim Refrigerant Charge . . . . . . . . . . . . . . . . . . . 65
WEEKLY MAINTENANCE . . . . . . . . . . . . . . . . . . . 66
Check the Lubrication System . . . . . . . . . . . . . . 66
SCHEDULED MAINTENANCE . . . . . . . . . . . . . . 66-69
Service Ontime . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Inspect the Control Panel . . . . . . . . . . . . . . . . . . 66
Check Safety and Operating Controls
Monthly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Changing Oil Filter . . . . . . . . . . . . . . . . . . . . . . . . 66
Oil Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Oil Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
• TO CHANGE THE OIL
Refrigerant Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Oil Reclaim Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Inspect Refrigerant Float System . . . . . . . . . . . 67
Inspect Relief Valves and Piping . . . . . . . . . . . . 67
Compressor Bearing and Gear
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Inspect the Heat Exchanger Tubes
and Flow Devices . . . . . . . . . . . . . . . . . . . . . . . . 68
• COOLER AND FLOW DEVICES
• CONDENSER AND FLOW DEVICES
Water Leaks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Water Treatment . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Inspect the Starting Equipment . . . . . . . . . . . . . 68
Check Pressure Transducers . . . . . . . . . . . . . . . 68
Optional Pumpout System Maintenance . . . . . 68
• OPTIONAL PUMPOUT COMPRESSOR OIL
CHARGE
• OPTIONAL PUMPOUT SAFETY CONTROL
SETTINGS
Ordering Replacement Chiller Parts . . . . . . . . 69
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