Carrier 17EX Start-up, Operation And Maintenance Instructions Manual

Also see for 17EX Series: Start up & operation manual Start-up, operation and maintenance instructions

Contents

CONTENTSPageInspect Water Piping . . . . . . . . . . . . . . . . . . . . . . . . . . 50Check Optional Pumpout Compressor WaterPiping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50Check Relief Devices . . . . . . . . . . . . . . . . . . . . . . . . . . 50Inspect Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50• CHECK INSULATION RESISTANCEMotor Pre-Start Checks . . . . . . . . . . . . . . . . . . . . . . . . 51External Gear Pre-Start Checks . . . . . . . . . . . . . . . . . 51Carrier Comfort Network Interface . . . . . . . . . . . . . . . 53Check Starter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53• MECHANICAL STARTERS• SOLID-STATE STARTERSCompressor Oil Charge . . . . . . . . . . . . . . . . . . . . . . . . 54Power Up the Controls andCheck the Compressor Oil Heater . . . . . . . . . . . . . 54• SOFTWARE VERSIONSet Up Chiller Control Configuration . . . . . . . . . . . . . 54Input the Design Set Points . . . . . . . . . . . . . . . . . . . . . 54Input the Local Occupied Schedule(OCCPC01S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54Input Service Configurations . . . . . . . . . . . . . . . . . . . . 54• PASSWORD• INPUT TIME AND DATE• CHANGE LID CONFIGURATION IF NECESSARY• MODIFY CONTROLLER IDENTIFICATION IFNECESSARY• INPUT EQUIPMENT SERVICE PARAMETERS IFNECESSARY• MODIFY EQUIPMENT CONFIGURATION IFNECESSARY• CHECK VOLTAGE SUPPLY• PERFORM AN AUTOMATED CONTROL TESTCheck Pumpout System Controls and OptionalPumpout Compressor . . . . . . . . . . . . . . . . . . . . . . . . 56High Altitude Locations . . . . . . . . . . . . . . . . . . . . . . . . 57Charge Refrigerant Into Chiller . . . . . . . . . . . . . . . . . . 57• TRIMMING REFRIGERANT CHARGEINITIAL START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . 57-62Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57Manual Operation of the Guide Vanes . . . . . . . . . . . . 58Dry Run to Test Start-Up Sequence . . . . . . . . . . . . . . 58Check Motor Rotation . . . . . . . . . . . . . . . . . . . . . . . . . 58• INITIAL MOTOR START-UPDisc Coupling Installation and Alignment . . . . . . . . . 59• IMPORTANT INFORMATIONCheck Oil Pressure and Compressor Stop . . . . . . . . 61Calibrate Motor Current Demand Setting . . . . . . . . . . 61To Prevent Accidental Start-Up . . . . . . . . . . . . . . . . . . 61Hot Alignment Check . . . . . . . . . . . . . . . . . . . . . . . . . 61Doweling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61Check Chiller Operating Condition . . . . . . . . . . . . . . . 61Instruct the Operator . . . . . . . . . . . . . . . . . . . . . . . . . . 62• COOLER-CONDENSER• ECONOMIZER/STORAGE VESSEL• PUMPOUT SYSTEM• COMPRESSOR ASSEMBLY• COMPRESSOR LUBRICATION SYSTEMEXTERNAL GEAR LUBRICATION SYSTEM• CONTROL SYSTEM• AUXILIARY EQUIPMENT• CHILLER CYCLES• MAINTENANCE• SAFETY DEVICES AND PROCEDURES• CHECK OPERATOR KNOWLEDGE• THIS MANUALOPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . . 62,63Operator Duties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62PagePrepare the Chiller for Start-Up . . . . . . . . . . . . . . . . . 62Starting the Chiller . . . . . . . . . . . . . . . . . . . . . . . . . . . 62Check the Running System . . . . . . . . . . . . . . . . . . . . . 62Stopping the Chiller . . . . . . . . . . . . . . . . . . . . . . . . . . . 62After Limited Shutdown . . . . . . . . . . . . . . . . . . . . . . . . 63Extended Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . 63After Extended Shutdown . . . . . . . . . . . . . . . . . . . . . . 63Cold Weather Operation . . . . . . . . . . . . . . . . . . . . . . . . 63Manual Guide Vane Operation . . . . . . . . . . . . . . . . . . . 63Refrigeration Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63PUMPOUT AND REFRIGERANT TRANSFERPROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63-67Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63Operating the Optional PumpoutCompressor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63• READING REFRIGERANT PRESSURESTransferring Refrigerant into theEconomizer/Storage Vessel . . . . . . . . . . . . . . . . . . . 66Transferring Refrigerant intothe Cooler/Condenser/Compressor Section . . . . . 67Return Chiller to Normal OperatingConditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67GENERAL MAINTENANCE . . . . . . . . . . . . . . . . . . . . 67-75Refrigerant Properties . . . . . . . . . . . . . . . . . . . . . . . . . 67Adding Refrigerant . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67Removing Refrigerant . . . . . . . . . . . . . . . . . . . . . . . . . 67Adjusting the Refrigerant Charge . . . . . . . . . . . . . . . . 67Refrigerant Leak Testing . . . . . . . . . . . . . . . . . . . . . . . 67Leak Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67Test After Service, Repair, or Major Leak . . . . . . . . . 67• REFRIGERANT TRACER• TO PRESSURIZE WITH DRY NITROGENRepair the Leak, Retest, and ApplyStanding Vacuum Test . . . . . . . . . . . . . . . . . . . . . . . 68Checking Guide Vane Linkage . . . . . . . . . . . . . . . . . . 68Contact Seal Maintenance . . . . . . . . . . . . . . . . . . . . . . 68• SEAL DISASSEMBLY• SEAL REASSEMBLYChiller Alignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71• ALIGNMENT METHODS• PRELIMINARY ALIGNMENT• NEAR FINAL ALIGNMENT• FINAL ALIGNMENT• HOT ALIGNMENT CHECK• DOWELINGWEEKLY MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . 76Check the Lubrication System . . . . . . . . . . . . . . . . . . 76SCHEDULED MAINTENANCE . . . . . . . . . . . . . . . . . . 76-83Service Ontime . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76Inspect the Control Center . . . . . . . . . . . . . . . . . . . . . 76Check Safety and Operating Controls Monthly . . . . . 76Changing the Oil Filters . . . . . . . . . . . . . . . . . . . . . . . . 76• COMPRESSOR OIL FILTER• EXTERNAL GEAR OIL FILTEROil Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77Oil Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77• COMPRESSOR OIL• EXTERNAL GEAR OIL• MOTOR SLEEVE BEARING AND PUMPOUTCOMPRESSOR OILInspect Refrigerant Float System . . . . . . . . . . . . . . . . 78Inspect Relief Valves and Piping . . . . . . . . . . . . . . . . 78Coupling Maintenance . . . . . . . . . . . . . . . . . . . . . . . . 78Motor Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78• CLEANLINESS• SLEEVE BEARINGS3