BenutzerhandbuchInhaltsverzeichnisContents7Safety Considerations1Introduction36Abbreviations3817/19EX Machine Familiarization39Machine Identification Label39System Components39Cooler40Condenser40Motor-Compressor40Control Center40Motor Starter41Utility Vessel41Refrigeration Cycle41Motor/Oil Refrigeration Cooling Cycle43Hermetic Machines (19 Series) Lubrication Cycle44Summary44Details45Open-Drive Machines (17 Series) Lubrication Cycle48Summary48Details48Starters50Controls50Definitions50Analog Signal50Digital Signal50Volatile Memory51General51PIC System Components52Processor Module (PSIO)53Starter Management Module (SMM)54Local Interface Device (LID)546-Pack Relay Board558-Input Modules55Oil Heater Contactor (1C)55Oil Pump Contactor (2C)55Hot Gas Bypass Contactor Relay (3C) (Optional)56Oil Auxiliary Relay (4C)56Control Transformers (T1-T4)56Control and Oil Heater Voltage Selector (S1)56Oil Differential Pressure/Power Supply Module56LID Operation and Menus58General58Alarms and Alerts59Lid Default Screen Menu Items60Menu Structure61To View or Change Point Status63Override Operations65To View or Change Time Schedule Operation67To View And Change Set Points71Service Operation72PIC System Functions74Capacity Control74Entering Chilled Water Control74Deadband75Proportional Bands and Gain75Demand Limiting76Machine Timers76Occupancy Schedule77Safety Controls79Shunt Trip80Default Screen Freeze81Motor Cooling Control (Hermetic Motors Only)81Auxiliary Oil Pump Control (Open Drive Machines Only)81Shaft Seal Oil Control (Open Drive Machines Only)82Ramp Loading Control82Capacity Override83High Discharge Temperature Control84Oil Sump Temperature Control85Oil Cooler86Remote Start/Stop Controls86Spare Safety Inputs87Spare Alarm Contacts87Condenser Pump Control88Condenser Freeze Prevention88Tower-Fan Relay89Auto. Restart After Power Failure90Water/Brine Reset91Demand Limit Control, Option (Requires Optional 8-Input Module)93Surge Prevention Algorithm93Surge Protection95Lead/Lag Control96Common Point Sensor Installation97Machine Communication Wiring98Lead/Lag Operation98Faulted Chiller Operation102Load Balancing103Auto. Restart After Power Failure104Ice Build Control104Ice Build Initiation105Start-Up/Recycle Operation106Temperature Control During Ice Build107Termination of Ice Build107Return to Non-Ice Build Operations108Attach to Network Device Control109Attaching to Other CCN Modules110Service Operation111To Log On111To Log Off112Holiday Scheduling113Start-Up/Shutdown/Recycle Sequence118Local Start-Up118Shutdown Sequence120Automatic Soft Stop Amps Threshold121Chilled Water Recycle Mode122Safety Shutdown124Before Initial Start-Up125Job Data Required125Equipment Required125Using the Utility Vessel and Pumpout System125Remove Shipping Packaging126Open-Drive Motor Electrical Connection127Open-Drive Motor Auxiliary Devices128Open Oil Circuit Valves129Torque All Gasketed Joints129Check Machine Tightness129Refrigerant Tracer130Leak Test Machine130Standing Vacuum Test134Machine Dehydration135Inspect Water Piping137Check Optional Pumpout Compressor Water Piping138Check Relief Devices138Inspect Wiring139Check Insulation Resistance (Hermetic Motor)141Check Insulation Resistance (Open-Drive Motor)142Open-Drive Motor Pre-Start Checks144Carrier Comfort Network Interface145Check Starter147Mechanical-Type Starters148Solid-State Starters149Oil Charge150Power Up the Controls and Check the Oil Heater150Software Version151Set Up Machine Control Configuration151Input the Design Set Points152Input the Local Occupied Schedule (OCCPC01S)152Input Service Configurations153Password153Input Time and Date153Change Lid Configuration If Necessary154Modify Controller Identification If Necessary154Input Equipment Service Parameters If Necessary154Modify Equipment Configuration If Necessary159Check Voltage Supply160Perform an Automated Control Test161Check Pumpout System Controls and Optional Pumpout Compressor163High Altitude Locations163Charge Refrigerant into Machine164Trimming Refrigerant Charge165Initial Start-Up166Preparation166Manual Operation of the Guide Vanes167Dry Run to Test Start-Up Sequence168Check Rotation (Open-Drive Motor)169Check Rotation (Hermetic Motor)174If Rotation is Proper174If the Motor Rotation is not Clockwise174Check Oil Pressure and Compressor Stop175Calibrate Motor Current Demand Setting175To Prevent Accidental Start-Up176Hot Alignment Check for Open-Drive Machines177Doweling for Open-Drive Machines177Check Machine Operating Condition178Instruct the Customer Operator178Cooler-Condenser178Utility Vessel178Pumpout System178Motor Compressor Assembly179Motor Compressor Lubrication System179Control System179Auxiliary Equipment179Describe Machine Cycles179Review Maintenance179Safety180Check Operator Knowledge180Review the Start-Up, Operation, and Maintenance Manual180Operating Instructions180Operator Duties180Prepare the Machine for Start-Up181To Start the Machine181Check the Running System181To Stop the Machine183After Limited Shutdown184Extended Shutdown184After Extended Shutdown184Cold Weather Operation185Manual Guide Vane Operation185Refrigeration Log186Pumpout and Refrigerant Transfer Procedures187Preparation187Operating the Optional Pumpout Compressor187To Read Refrigerant Pressures188Transferring Refrigerant from Normal Operation into the Utility Vessel189Transferring Refrigerant from Normal Operation into the Cooler/Condenser/ Compressor Section191Return Refrigerant to Normal Operating Conditions193General Maintenance195Refrigerant Properties195Adding Refrigerant196Removing Refrigerant196Adjusting the Refrigerant Charge196Refrigerant Leak Testing197Leak Rate197Test After Service, Repair, or Major Leak197Refrigerant Tracer198To Pressurize with Dry Nitrogen198Repair the Leak, Retest, and Apply Standing Vacuum Test199Checking Guide Vane Linkage199Contact Seal Maintenance (Open-Drive Machines)200Seal Disassembly201Seal Reassembly203Machine Alignment (Open-Drive Machines)205Alignment Methods205Preliminary Alignment207Near Final Alignment208Final Alignment217Hot Alignment Check217Doweling220Weekly Maintenance221Check the Lubrication System221Scheduled Maintenance223Service Ontime223Inspect the Control Center223Check Safety and Operating Controls Monthly224Changing Oil Filter22419EX Compressors224FA Style Compressors225Oil Specification226Oil Changes226To Change the Oil227Refrigerant Filter227Oil Reclaim Filter228Inspect Refrigerant Float System228Inspect Relief Valves and Piping229Coupling Maintenance (Open-Drive Machines)229Procedure230Motor Maintenance (Open-Drive Machines)231Cleanliness231Sleeve Bearings235Open-Drive Motor Handling/Rigging243Open-Drive Motor Storage244Compressor Bearing and Gear Maintenance246Inspect the Heat Exchanger Tubes246Cooler246Condenser247Water Leaks248Water Treatment248Inspect the Starting Equipment249Check Pressure Transducers251Pumpout System Maintenance251Optional Pumpout Compressor Oil Charge251Pumpout Safety Control Settings252Ordering Replacement Chiller Parts253Open-Drive Motor Renewal Parts253Troubleshooting Guide254Overview254Checking the Display Messages255Checking Temperature Sensors255Resistance Check256Voltage Drop256Check Sensor Accuracy257Dual Temperature Sensors257Checking Pressure Transducers258Oil Differential Pressure/Power Supply Module Calibration261Troubleshooting Transducers262Transducer Replacement262Control Algorithms Checkout Procedure263Control Test264Control Modules267Red LED268Green LEDs268Notes on Module Operation270Processor Module (PSIO)272Inputs272Outputs272Starter Management Module (SMM)273Inputs273Outputs273Options Modules (8-Input)274Replacing Defective Processor Modules275Installation of New PSIO Module27617/19EX Physical Data And Wiring Schematics279Initial Start-Up Checklist for 17/19EX Centrifugal Liquid Chiller426List of Tables27LIst of Figures31Größe: 6,58 MBSeiten: 437Language: EnglishHandbuch öffnen
