Specifications

CONTENTS (cont)
Page
• MODIFY EQUIPMENT CONFIGURATION
IF NECESSARY
• CHECK VOLTAGE SUPPLY
• PERFORM AN AUTOMATED
CONTROLS TEST
High Altitude Locations .....................44
Charge Refrigerant Into Machine .............44
• TRIMMING REFRIGERANT CHARGE
INITIAL START-UP .........................45,46
Preparation .................................45
Manual Operation of the Guide Vanes ........45
Dry Run to Test Start-Up Sequence ..........45
Check Rotation .............................45
• IF ROTATION IS PROPER
• IF THE MOTOR ROTATION IS NOT CLOCKWISE
Check Oil Pressure and Compressor Stop ....46
Calibrate Motor Current Demand Setting .....46
To Prevent Accidental Start-Up ..............46
Check Machine Operating Condition .........46
Instruct the Customer Operator ..............46
• COOLER-CONDENSER
• ECONOMIZER
• MOTOR COMPRESSOR ASSEMBLY
• MOTOR COMPRESSOR LUBRICATION SYSTEM
• CONTROL SYSTEM
• AUXILIARY EQUIPMENT
• DESCRIBE MACHINE CYCLES
• REVIEW MAINTENANCE
• SAFETY DEVICES AND PROCEDURES
• CHECK OPERATOR KNOWLEDGE
• REVIEW THE START-UP, OPERATION,
AND MAINTENANCE MANUAL
OPERATING INSTRUCTIONS ...............47,48
Operator Duties .............................47
Prepare the Machine for Start-Up ............47
To Start the Machine ........................47
Check the Running System ..................47
To Stop the Machine ........................47
After Limited Shutdown .....................47
Extended Shutdown .........................47
After Extended Shutdown ...................48
Cold Weather Operation .....................48
Manual Guide Vane Operation ...............48
Refrigeration Log ...........................48
REFRIGERANT TRANSFER PROCEDURE .....48
Preparation .................................48
GENERAL MAINTENANCE ...................50
Refrigerant Properties .......................50
Adding Refrigerant ..........................50
Removing Refrigerant .......................50
Adjusting the Refrigerant Charge ............50
Refrigerant Leak Testing ....................50
Refrigerant Leak Rate .......................50
Test After Service, Repair, or Major Leak .....50
• REFRIGERANT TRACER
• TO PRESSURIZE WITH DRY NITROGEN
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Repair the Leak, Retest, and Apply
Standing Vacuum Test ....................50
Checking Guide Vane Linkage ...............50
Trim Refrigerant Charge .....................50
WEEKLY MAINTENANCE ...................50,51
Check the Lubrication System ...............50
SCHEDULED MAINTENANCE ..............51-53
Service Ontime .............................51
Inspect the Control Center ...................51
Check Safety and Operating Controls
Monthly ..................................51
Change Oil and Oil Filter ....................51
Oil Specification ............................51
Oil Changes ................................51
Refrigerant Filter ............................52
Change Refrigerant Filter or Strainer .........52
Inspect Refrigerant Float System ............52
Inspect Relief Valves and Piping .............52
Compressor Bearing and Gear Maintenance ..52
Inspect the Heat Exchanger Tubes ...........52
• COOLER
• CONDENSER
Water Leaks ................................52
Water Treatment ............................52
Inspect the Starting Equipment ..............52
Check Pressure Transducers ................53
Ordering Replacement Chiller Parts ..........53
TROUBLESHOOTING GUIDE ...............53-71
Overview ...................................53
Checking the Display Messages .............53
Checking Temperature Sensors ..............53
• RESISTANCE CHECK
• VOLTAGE DROP
• CHECK SENSOR ACCURACY
• DUAL TEMPERATURE SENSORS
Checking Pressure Transducers .............53
• TRANSDUCER REPLACEMENT
Control Algorithms Checkout Procedure .....54
Control Test ................................54
Control Modules ............................63
• RED LED
• GREEN LEDs
Notes on Module Operation ..................63
Processor Module (PSIO) ....................64
• INPUTS
• OUTPUTS
Starter Management Module (SMM) ..........64
• INPUTS
• OUTPUTS
Options Modules (8-Input) ...................64
Replacing Defective Processor Modules ......65
• INSTALLATION OF NEW PSIO MODULE
Physical Data ...............................66
INITIAL START-UP CHECKLIST FOR
19EF HERMETIC CENTRIFUGAL
LIQUID CHILLER ...................CL-1-CL-12
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