Carrier AQUAFORCE 30XW150-400 Operation & Service Manual

Contents

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Catalog No. 04-53300024-01 Printed in U.S.A. Form 30XW-1T Pg 1 11-09 Replaces: NewControls, Start-Up, Operation, Serviceand TroubleshootingCONTENTS PageSAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 2GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9Conventions Used in This Manual . . . . . . . . . . . . . . . . 3Display Module Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . 3• TOUCH PILOT™ DISPLAY• NAVIGATOR™ DISPLAY MODULECONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-18General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Main Base Board (MBB) . . . . . . . . . . . . . . . . . . . . . . . . . . 9Compressor Protection Module (CPM) . . . . . . . . . . 10Electronic Expansion Valve (EXV) Board . . . . . . . . 13MLV/Condenser Board . . . . . . . . . . . . . . . . . . . . . . . . . . 15Enable-Off-Remote Contact Switch (SW1) . . . . . . . 16Emergency On/Off Switch (SW2) . . . . . . . . . . . . . . . . 16Energy Management Module (EMM) . . . . . . . . . . . . . 16Local Equipment Network . . . . . . . . . . . . . . . . . . . . . . . 17Board Addresses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Touch Pilot Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Control Module Communication. . . . . . . . . . . . . . . . . 17• RED LED• GREEN LED• YELLOW LEDCarrier Comfort Network® (CCN) Interface. . . . . . . 18Remote Alarm and Alert Relays . . . . . . . . . . . . . . . . . 18CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-46Touch Pilot Operation Configuration Tables . . . . . 18Machine Control Methods . . . . . . . . . . . . . . . . . . . . . . . 20Machine On/Off Control . . . . . . . . . . . . . . . . . . . . . . . . . 20• TOUCH PILOT MACHINE CONTROL• NAVIGATOR DISPLAY MACHINE CONTROLEntering Fluid Control Option . . . . . . . . . . . . . . . . . . . 25Cooling Set Point Selection . . . . . . . . . . . . . . . . . . . . . 25• SET POINT OCCUPANCYChilled Water Fluid Type Selection . . . . . . . . . . . . . . 27• FRESH WATER• BRINE OR GLYCOL OPERATIONCooler Pump Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . 28• COOLER PUMP CONTROL CONFIRGURATIONSMachine Start Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29Circuit/Compressor Staging and Loading . . . . . . . 29• CIRCUIT/COMPRESSOR STAGING• CIRCUIT/COMPRESSOR LOADINGMinimum Load Control . . . . . . . . . . . . . . . . . . . . . . . . . . 29Dual Chiller Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29• DUAL CHILLER CONTROL FOR PARALLELAPPLICATIONS• DUAL CHILLER PUMP CONTROL FOR PARALLELCHILLER APPLICATIONS• DUAL CHILLER CONTROL FOR SERIESAPPLICATIONS• DUAL CHILLER PUMP CONTROL FOR SERIESCHILLER APPLICATIONSPageRamp Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35Temperature Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35• RETURN WATER RESET• SPACE TEMPERATURE RESET• 4-20 mA TEMPERATURE RESETDemand Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39• SWITCH CONTROLLED DEMAND LIMIT• EXTERNALLY POWERED CAPACITY BASEDDEMAND LIMIT• EXTERNALLY POWERED CURRENT BASEDDEMAND LIMIT• CCN LOADSHED CONTROLLED DEMAND LIMITIce Storage Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 41Broadcast Configuration . . . . . . . . . . . . . . . . . . . . . . . . 41• ACTIVATE• BROADCAST ACKNOWLEDGERAlarm Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42• ALARM ROUTING CONTROL• ALARM EQUIPMENT PRIORITY• COMMUNICATION FAILURE RETRY TIME• RE-ALARM TIME• ALARM SYSTEM NAMEDaylight Saving Time Configuration. . . . . . . . . . . . . 43Capacity Control Overrides . . . . . . . . . . . . . . . . . . . . . 43Head Pressure Control . . . . . . . . . . . . . . . . . . . . . . . . . . 46• LOW CONDENSER FLUID TEMPERATURE HEADPRESSURE CONTROL OPTIONPRE-START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46,47System Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47-53Actual Start-Up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47Operating Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . 47• TEMPERATURES• VOLTAGE• MINIMUM FLUID LOOP VOLUME• FLOW RATE REQUIREMENTSOPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54-59Sequence of Operation. . . . . . . . . . . . . . . . . . . . . . . . . . 54Dual Chiller Sequence of Operation . . . . . . . . . . . . . 54• PUMP OPERATIONOperating Modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56• THERMISTORS• TRANSDUCERSSERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59-67Economizer Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 59Electronic Expansion Valve (EXV) . . . . . . . . . . . . . . . 59• MAIN EXV CONTROL• ECONOMIZER EXV CONTROL• EXV TROUBLESHOOTING PROCEDURECompressor Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 63• COMPRESSOR OIL SYSTEMAQUAFORCE®30XW150-400Water-Cooled Liquid Chillers