Carrier AquaEdge 19DV Series Start-up, Operation And Maintenance Instructions Manual
Also see for AquaEdge 19DV series: Start-up, operation and maintenance instructionsInstallation, operation and maintenance instructionsInstallation instructionsControls operation and troubleshootingOperation and Troubleshooting
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Contents
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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Catalog No. 04-53190056-01 Printed in U.S.A. Form 19DV-CLT-2SS Pg 1 6-19 Replaces: 19DV-CLT-1SSStart-Up, Operation, and MaintenanceInstructionsSAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . 2INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3ABBREVIATIONS AND EXPLANATIONS . . . . . . . . . . 4CHILLER FAMILIARIZATION (FIG. 1 AND 2) . . . . . . . 4Chiller Information Nameplate . . . . . . . . . . . . . . . . . . 4System Components . . . . . . . . . . . . . . . . . . . . . . . . . . 4Evaporator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Condenser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Economizer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Motor-Compressor. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Purge Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Variable Frequency Drive (VFD) . . . . . . . . . . . . . . . . . 4Refrigerant Lubrication System . . . . . . . . . . . . . . . . . 4Chiller Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . 4Purge Control Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . 5PIC6 Touch Screen HMI. . . . . . . . . . . . . . . . . . . . . . . . 5REFRIGERATION CYCLE . . . . . . . . . . . . . . . . . . . . . . 7REFRIGERANT LUBRICATION CYCLE . . . . . . . . . . . 8Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Inhibitor Reclaim System . . . . . . . . . . . . . . . . . . . . . . 9Motor Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . 9VFD Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . 9VFD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Purge System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12PIC6 System Components . . . . . . . . . . . . . . . . . . . . 12START-UP/SHUTDOWN/RECYCLE SEQUENCE. . . . . . . . . . . . . . . . . . . . . . 13Local Start/Stop Control . . . . . . . . . . . . . . . . . . . . . . 13Lubrication Control . . . . . . . . . . . . . . . . . . . . . . . . . . 13Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15BEFORE INITIAL START-UP . . . . . . . . . . . . . . . . . . . 15Job Data Required . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Equipment Required . . . . . . . . . . . . . . . . . . . . . . . . . 15Remove Shipping Packaging . . . . . . . . . . . . . . . . . . 15Tighten All Gasketed Joints . . . . . . . . . . . . . . . . . . . 15Check Chiller Tightness . . . . . . . . . . . . . . . . . . . . . . 15Refrigerant Tracer . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Leak Test Chiller . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Standing Vacuum Test . . . . . . . . . . . . . . . . . . . . . . . 18Check the Installation . . . . . . . . . . . . . . . . . . . . . . . . 20Inspect Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Chiller Dehydration . . . . . . . . . . . . . . . . . . . . . . . . . . 20Inspect Water Piping . . . . . . . . . . . . . . . . . . . . . . . . . 21Check Safety Valves . . . . . . . . . . . . . . . . . . . . . . . . . .21Check Purge Compressor Operation . . . . . . . . . . . .21Ground Fault Troubleshooting . . . . . . . . . . . . . . . . .22Carrier Comfort Network® Interface . . . . . . . . . . . . .22Inhibitor Charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23Software Configuration . . . . . . . . . . . . . . . . . . . . . . .23Charge Unit with Refrigerant . . . . . . . . . . . . . . . . . . .23Field Set Up and Verification . . . . . . . . . . . . . . . . . . .31Perform a Controls Test(Quick Calibration/Quick Test) . . . . . . . . . . . . . . .32INITIAL START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . .33Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33Check Motor Rotation. . . . . . . . . . . . . . . . . . . . . . . . .33Check Refrigerant Lube . . . . . . . . . . . . . . . . . . . . . . .33To Prevent Accidental Start-Up . . . . . . . . . . . . . . . . .33Check Chiller Operating Condition . . . . . . . . . . . . . .33Instruct the Customer Operator(s) . . . . . . . . . . . . . .34OPERATING INSTRUCTIONS. . . . . . . . . . . . . . . . . . .36Operator Duties. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36Prepare the Chiller for Start-Up . . . . . . . . . . . . . . . . .36To Start the Chiller . . . . . . . . . . . . . . . . . . . . . . . . . . .36Check the Running System . . . . . . . . . . . . . . . . . . . .36To Stop the Chiller . . . . . . . . . . . . . . . . . . . . . . . . . . .36After Limited Shutdown . . . . . . . . . . . . . . . . . . . . . . .36After Extended Shutdown . . . . . . . . . . . . . . . . . . . . .36Cold Weather Operation. . . . . . . . . . . . . . . . . . . . . . .37Manual Guide Vane Operation. . . . . . . . . . . . . . . . . .37Refrigeration and Service Log. . . . . . . . . . . . . . . . . .37PUMPOUT AND REFRIGERANTTRANSFER PROCEDURES . . . . . . . . . . . . . . . . . .39Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39GENERAL MAINTENANCE. . . . . . . . . . . . . . . . . . . . .42Refrigerant Properties . . . . . . . . . . . . . . . . . . . . . . . .42Adding Refrigerant . . . . . . . . . . . . . . . . . . . . . . . . . . .42Adjusting the Refrigerant Charge . . . . . . . . . . . . . . .42Refrigerant Leak Testing . . . . . . . . . . . . . . . . . . . . . .42Leak Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42Test After Service, Repair, or Major Leak. . . . . . . . .42Repair Leaks, Retest, Standing Vacuum Test . . . . .42Checking Guide Vanes . . . . . . . . . . . . . . . . . . . . . . . .42Trim Refrigerant Charge. . . . . . . . . . . . . . . . . . . . . . .44WEEKLY MAINTENANCE . . . . . . . . . . . . . . . . . . . . . .44Check the Refrigerant Lubrication System . . . . . . .44Check for Leaks . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44SCHEDULED MAINTENANCE . . . . . . . . . . . . . . . . . .44Service Ontime . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44Inspect the Control Panel. . . . . . . . . . . . . . . . . . . . . .44Inspect the Purge . . . . . . . . . . . . . . . . . . . . . . . . . . . .45AquaEdge® 19DVTwo-Stage Back-to-Back Centrifugal LiquidChillers with PIC6 Controls and HFO R-1233zd(E)50/60 Hz |
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