Carrier 17EX - Manual (Page 3)

CONTENTS
Page
Inspect Water Piping . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Check Optional Pumpout Compressor Water
Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Check Relief Devices . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Inspect Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
• CHECK INSULATION RESISTANCE
Motor Pre-Start Checks . . . . . . . . . . . . . . . . . . . . . . . . 51
External Gear Pre-Start Checks . . . . . . . . . . . . . . . . . 51
Carrier Comfort Network Interface . . . . . . . . . . . . . . . 53
Check Starter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
• MECHANICAL STARTERS
• SOLID-STATE STARTERS
Compressor Oil Charge . . . . . . . . . . . . . . . . . . . . . . . . 54
Power Up the Controls and
Check the Compressor Oil Heater . . . . . . . . . . . . . 54
• SOFTWARE VERSION
Set Up Chiller Control Configuration . . . . . . . . . . . . . 54
Input the Design Set Points . . . . . . . . . . . . . . . . . . . . . 54
Input the Local Occupied Schedule
(OCCPC01S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Input Service Configurations . . . . . . . . . . . . . . . . . . . . 54
• 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 Pumpout System Controls and Optional
Pumpout Compressor . . . . . . . . . . . . . . . . . . . . . . . . 56
High Altitude Locations . . . . . . . . . . . . . . . . . . . . . . . . 57
Charge Refrigerant Into Chiller . . . . . . . . . . . . . . . . . . 57
• TRIMMING REFRIGERANT CHARGE
INITIAL START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . 57-62
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Manual Operation of the Guide Vanes . . . . . . . . . . . . 58
Dry Run to Test Start-Up Sequence . . . . . . . . . . . . . . 58
Check Motor Rotation . . . . . . . . . . . . . . . . . . . . . . . . . 58
• INITIAL MOTOR START-UP
Disc Coupling Installation and Alignment . . . . . . . . . 59
• IMPORTANT INFORMATION
Check Oil Pressure and Compressor Stop . . . . . . . . 61
Calibrate Motor Current Demand Setting . . . . . . . . . . 61
To Prevent Accidental Start-Up . . . . . . . . . . . . . . . . . . 61
Hot Alignment Check . . . . . . . . . . . . . . . . . . . . . . . . . 61
Doweling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Check Chiller Operating Condition . . . . . . . . . . . . . . . 61
Instruct the Operator . . . . . . . . . . . . . . . . . . . . . . . . . . 62
• COOLER-CONDENSER
• ECONOMIZER/STORAGE VESSEL
• PUMPOUT SYSTEM
• COMPRESSOR ASSEMBLY
• COMPRESSOR LUBRICATION SYSTEM
EXTERNAL GEAR LUBRICATION SYSTEM
• CONTROL SYSTEM
• AUXILIARY EQUIPMENT
• CHILLER CYCLES
• MAINTENANCE
• SAFETY DEVICES AND PROCEDURES
• CHECK OPERATOR KNOWLEDGE
• THIS MANUAL
OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . . 62,63
Operator Duties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Page
Prepare the Chiller for Start-Up . . . . . . . . . . . . . . . . . 62
Starting the Chiller . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Check the Running System . . . . . . . . . . . . . . . . . . . . . 62
Stopping the Chiller . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
After Limited Shutdown . . . . . . . . . . . . . . . . . . . . . . . . 63
Extended Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
After Extended Shutdown . . . . . . . . . . . . . . . . . . . . . . 63
Cold Weather Operation . . . . . . . . . . . . . . . . . . . . . . . . 63
Manual Guide Vane Operation . . . . . . . . . . . . . . . . . . . 63
Refrigeration Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
PUMPOUT AND REFRIGERANT TRANSFER
PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63-67
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Operating the Optional Pumpout
Compressor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
• READING REFRIGERANT PRESSURES
Transferring Refrigerant into the
Economizer/Storage Vessel . . . . . . . . . . . . . . . . . . . 66
Transferring Refrigerant into
the Cooler/Condenser/Compressor Section . . . . . 67
Return Chiller to Normal Operating
Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
GENERAL MAINTENANCE . . . . . . . . . . . . . . . . . . . . 67-75
Refrigerant Properties . . . . . . . . . . . . . . . . . . . . . . . . . 67
Adding Refrigerant . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Removing Refrigerant . . . . . . . . . . . . . . . . . . . . . . . . . 67
Adjusting the Refrigerant Charge . . . . . . . . . . . . . . . . 67
Refrigerant Leak Testing . . . . . . . . . . . . . . . . . . . . . . . 67
Leak Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Test After Service, Repair, or Major Leak . . . . . . . . . 67
• REFRIGERANT TRACER
• TO PRESSURIZE WITH DRY NITROGEN
Repair the Leak, Retest, and Apply
Standing Vacuum Test . . . . . . . . . . . . . . . . . . . . . . . 68
Checking Guide Vane Linkage . . . . . . . . . . . . . . . . . . 68
Contact Seal Maintenance . . . . . . . . . . . . . . . . . . . . . . 68
• SEAL DISASSEMBLY
• SEAL REASSEMBLY
Chiller Alignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
• ALIGNMENT METHODS
• PRELIMINARY ALIGNMENT
• NEAR FINAL ALIGNMENT
• FINAL ALIGNMENT
• HOT ALIGNMENT CHECK
• DOWELING
WEEKLY MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . 76
Check the Lubrication System . . . . . . . . . . . . . . . . . . 76
SCHEDULED MAINTENANCE . . . . . . . . . . . . . . . . . . 76-83
Service Ontime . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Inspect the Control Center . . . . . . . . . . . . . . . . . . . . . 76
Check Safety and Operating Controls Monthly . . . . . 76
Changing the Oil Filters . . . . . . . . . . . . . . . . . . . . . . . . 76
• COMPRESSOR OIL FILTER
• EXTERNAL GEAR OIL FILTER
Oil Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Oil Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
• COMPRESSOR OIL
• EXTERNAL GEAR OIL
• MOTOR SLEEVE BEARING AND PUMPOUT
COMPRESSOR OIL
Inspect Refrigerant Float System . . . . . . . . . . . . . . . . 78
Inspect Relief Valves and Piping . . . . . . . . . . . . . . . . 78
Coupling Maintenance . . . . . . . . . . . . . . . . . . . . . . . . 78
Motor Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
• CLEANLINESS
• SLEEVE BEARINGS
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