Carrier 19XL - Manual (Page 3)

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