Carrier 19XR User Manual

Also see for AquaEdge 19XRV series: Start-up, operation and maintenance instructions Start-up and service instructions Installation instructions Start-up, operation and maintenance instructions Start-up and service instructions

Contents

4CONTENTS (cont)PageInspect Relief Valves and Piping. . . . . . . . . . . . . . . . . 74Compressor Bearing and GearMaintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74Inspect the Heat Exchanger Tubesand Flow Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74• COOLER AND FLOW DEVICES• CONDENSER AND FLOW DEVICESWater Leaks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74Water Treatment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75Inspect the Starting Equipment. . . . . . . . . . . . . . . . . . 75Check Pressure Transducers . . . . . . . . . . . . . . . . . . . . 75Optional Pumpout System Maintenance . . . . . . . . . 75• OPTIONAL PUMPOUT COMPRESSOR OILCHARGE• OPTIONAL PUMPOUT SAFETY CONTROLSETTINGSOrdering Replacement Chiller Parts . . . . . . . . . . . . . 75TROUBLESHOOTING GUIDE . . . . . . . . . . . . . . . . 76-122Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76Checking Display Messages. . . . . . . . . . . . . . . . . . . . . 76Checking Temperature Sensors . . . . . . . . . . . . . . . . . 76• RESISTANCE CHECK• VOLTAGE DROP• CHECK SENSOR ACCURACY• DUAL TEMPERATURE SENSORSChecking Pressure Transducers. . . . . . . . . . . . . . . . . 76• UNITS EQUIPPED WITH CVC• UNITS EQUIPPED WITH ICVC• TRANSDUCER REPLACEMENTControl Algorithms Checkout Procedure . . . . . . . . 77Control Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77Control Modules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87• RED LED (Labeled as STAT)• GREEN LED (Labeled as COM)Notes on Module Operation . . . . . . . . . . . . . . . . . . . . . 87Chiller Control Module (CCM) . . . . . . . . . . . . . . . . . . . 88• INPUTS• OUTPUTSIntegrated Starter Module . . . . . . . . . . . . . . . . . . . . . . . 88• INPUTS• OUTPUTSReplacing Defective Processor Modules . . . . . . . . 88• INSTALLATIONSolid-State Starters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88• TESTING SILICON CONTROL RECTIFIERS INBENSHAW, INC. SOLID-STATE STARTERS• SCR REMOVAL/INSTALLATIONPhysical Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123,124INITIAL START-UP CHECKLIST FOR19XR, XRV HERMETIC CENTRIFUGALLIQUID CHILLER . . . . . . . . . . . . . . . . . . . .CL-1 to CL-16INTRODUCTIONPrior to initial start-up of the 19XR unit, those involved inthe start-up, operation, and maintenance should be thoroughlyfamiliar with these instructions and other necessary job data.This book is outlined to familiarize those involved in the start-up, operation and maintenance of the unit with the control sys-tem before performing start-up procedures. Procedures in thismanual are arranged in the sequence required for proper chillerstart-up and operation.ABBREVIATIONS AND EXPLANATIONSFrequently used abbreviations in this manual include:Words printed in all capital letters or in italics may beviewed on the Chiller Visual Controller/International ChillerVisual Controller (CVC/ICVC) (e.g., LOCAL, CCN,ALARM, etc.).Words printed in both all capital letters and italics can alsobe viewed on the CVC/ICVC and are parameters (e.g., CON-TROL MODE, COMPRESSOR START RELAY, ICE BUILDOPTION, etc.) with associated values (e.g., modes, tempera-tures, percentages, pressures, on, off, etc.).Words printed in all capital letters and in a box representsoftkeys on the CVC/ICVC control panel (e.g., ,, , , etc.).This unit uses a microprocessor control system. Do notshort or jumper between terminations on circuit boards ormodules; control or board failure may result.Be aware of electrostatic discharge (static electricity) whenhandling or making contact with circuit boards or moduleconnections. Always touch a chassis (grounded) part to dis-sipate body electrostatic charge before working inside con-trol center.Use extreme care when handling tools near boards andwhen connecting or disconnecting terminal plugs. Circuitboards can easily be damaged. Always hold boards by theedges and avoid touching components and connections.This equipment uses, and can radiate, radio frequencyenergy. If not installed and used in accordance with theinstruction manual, it may cause interference to radio com-munications. It has been tested and found to comply withthe limits for a Class A computing device pursuant to Sub-part J of Part 15 of FCC Rules, which are designed to pro-vide reasonable protection against such interference whenoperated in a commercial environment. Operation of thisequipment in a residential area is likely to cause interfer-ence, in which case the user, at his own expense, will berequired to take whatever measures may be required to cor-rect the interference.Always store and transport replacement or defective boardsin anti-static shipping bag.CCM — Chiller Control ModuleCCN — Carrier Comfort NetworkCCW — CounterclockwiseCVC — Chiller Visual ControllerCW — ClockwiseECDW — Entering Condenser WaterECW — Entering Chilled WaterEMS — Energy Management SystemHGBP — Hot Gas BypassI/O — Input/OutputICVC — International Chiller Visual ControllerISM — Integrated Starter ModuleLCD — Liquid Crystal DisplayLCDW — Leaving Condenser WaterLCW — Leaving Chilled WaterLED — Light-Emitting DiodeOLTA — Overload Trip AmpsPIC II — Product Integrated Controls IIRLA — Rated Load AmpsSCR — Silicon Controlled RectifierSI — International System of UnitsTXV — Thermostatic Expansion ValveVFD — Variable Frequency DriveENTEREXIT INCREASE QUIT