CONTENTS (cont)
Page
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
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
3
Summary of Contents for HERMETIC CENTRIFUGAL LIQUID CHILLERS 19XR
Page 13: ...Fig 10 Control Panel Fig 11 Power Panel 13 ...
Page 47: ...Fig 25 19XR Leak Test Procedures 47 ...
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