Wells RW-16 thru RW-36 Installation Manual

Installation InformationWater Piping ConnectionsElectrical DataMicroprocessor ControlStartup ProceduresPreventive MaintenanceRW Series Installation Ma

10RW SERIES INSTALLATION MANUALGeneralSystem piping should be kept as simple as possible to minimize the pressure drop, but hand valves should be fiel

11RW SERIES INSTALLATION MANUALField Connected Water Piping cont.Before final connection to the unit, the supply and return hose kits must be connecte

12RW SERIES INSTALLATION MANUALGeneralReversible chiller systems may be successfully applied in a wide range of commercial and industrial applications

13RW SERIES INSTALLATION MANUALSystem Cleaning and FlushingCleaningandFlushingPrior to start up of any heat pump, the water circulating system must

14RW SERIES INSTALLATION MANUALElectrical DataHACR circuit breaker in USA only.* - MCC, RLA, & LRA rating per compressor. Breaker and FLA sized fo

15RW SERIES INSTALLATION MANUALElectrical Data cont.Figure 6: Control BoxTransformer208 or 230 Volt Switch (If applicable)Power Supply (Field line vol

16RW SERIES INSTALLATION MANUALWiring Schematics208-230/60/324VTransformerSFSLFSESJohnson FX-105VDCAI335363738+-AI5-+AI4-+AI6AI2AI15VDC5VDCLED---+++24

17RW SERIES INSTALLATION MANUALWiring Schematics cont.460/60/324VTransformerSFSLFSESJohnson FX-105VDCAI335363738+-AI5-+AI4-+AI6AI2AI15VDC5VDCLED---+++

18RW SERIES INSTALLATION MANUALWiring Schematics cont.575/60/324VTransformerSFSLFSESJohnson FX-105VDCAI335363738+-AI5-+AI4-+AI6AI2AI15VDC5VDCLED---+++

19RW SERIES INSTALLATION MANUALTB Typical T-Stat24VAC24V COMComp 1Comp 2Rev ValveAcc 2Acc 1AlarmCircuit 1 AlarmCircuit 2 Alarm24VAC24V COMComp 1Comp 2

20RW SERIES INSTALLATION MANUALField Wiring and Control Setup cont.AccessoryRelaySetupThe accessory output set to “close” upon Y1 compressor call (c

21RW SERIES INSTALLATION MANUALAntiShortCycleHighPressureProtectionLowPressureProtectionAdvancedFreezeDetectionSetpointRandomStartDisplayf

22RW SERIES INSTALLATION MANUALControl Features cont.Dual Circuited Heat Exchanger ProtectionA low temperature condition on either refrigerant circuit

23RW SERIES INSTALLATION MANUALPowerFailRestartWhen the controller is first powered up, the outputs will be disabled for a random start delay time (

24RW SERIES INSTALLATION MANUALDUAL STAGE WW Input Name Input Output Name Output Entering Load Water Temperature AI 1 Compressor 1 DO1Leaving Load Wat

25RW SERIES INSTALLATION MANUALUnit Display and InterfaceThe Unit Display allows the user to view entering and leaving water temperatures, freeze dete

26RW SERIES INSTALLATION MANUALUnit Display and Interface cont.MUIMenuNavigationforRWXWReversibleChillercont.MaintenanceY1 Input AutoY2 Input

27RW SERIES INSTALLATION MANUALMenuandMenuContentsAlarmDisplays unit alarms until the unit has been reset (Unit alarms •can be reset by holding bo

28RW SERIES INSTALLATION MANUALHEGPM x 500*LegendAbbreviationsandDefinitionsReference CalculationsHeating Calculations:Cooling Calculations:LWT = EW

29RW SERIES INSTALLATION MANUALOperating ParametersCompressor ResistanceModel 208-230 460 575096 0.610 2.330 4.060108 0.610 2.330 4.060120 0.562 2.270

RW SERIES INSTALLATION MANUALTable of ContentsModelNomenclature ... 4GeneralInstallationI

30RW SERIES INSTALLATION MANUALPressure DropModel GPMPressureDrop(psi)30°F 50°F 70°F 90°F 110°F09612 0.8 0.6 0.4 0.2 0.118 1.7 1.5 1.3 1.0 0.824 2.7

31RW SERIES INSTALLATION MANUALHeat of Extraction/Rejection DataModelSourceGPMLoadGPMEST HeatOfExtraction(HE) HeatofRejection(HR)ºF 60°F 80°F 1

32RW SERIES INSTALLATION MANUALShould a major problem develop, refer to the following information for possible causes and corrective steps.Ifcompress

33RW SERIES INSTALLATION MANUALHeating Cycle AnalysisSuctionDischargeCompressorRVSourceCoaxFD______PSI = ______SAT°F______°F______PSI = ______SAT°F___

34RW SERIES INSTALLATION MANUALCheck One Start up/Check-out for new installation ❑ Troubleshooting Problem:_____________________________

35RW SERIES INSTALLATION MANUALUnitHeatExchangerMaintenanceKeep all air out of the water or antifreeze solution.1. Keep the system under pressure a

36RW SERIES INSTALLATION MANUALService Parts ListPartDescription096 108 120208-230/60/3 460/60/3 575/60/3 208-230/60/3 460/60/3 575/60/3 208-230/60/3

37RW SERIES INSTALLATION MANUALPartDescription140 180 210208-230/60/3 460/60/3 575/60/3 208-230/60/3 460/60/3 575/60/3 208-230/60/3 460/60/3 575/60/3

38RW SERIES INSTALLATION MANUALPartDescription240 360 540208-230/60/3 460/60/3 575/60/3 208-230/60/3 460/60/3 575/60/3 460/60/3 575/60/3Refrigeration

4RW SERIES INSTALLATION MANUALModel Nomenclature1-4 5-7 8 9 10 11 12 13 14 15-16 17RWXW360 R 4 P E 8 N N SS AModel RWXW = RW Series Water-to-Water

Product: RWSeriesType: Commercial Reversible Chiller - 60 HzSize: 8-50 TonsDocument Type: Installation ManualPart Number: 146.00-NOM6Rel

5RW SERIES INSTALLATION MANUALSafetyConsiderationsInstalling and servicing air conditioning and heating equipment can be hazardous due to system pres

6RW SERIES INSTALLATION MANUALMountingUnitsRemove the unit from the wooden shipping skids (see Figures 1 and 2). Units will be shipped with heavy dut

7RW SERIES INSTALLATION MANUALACBEFGHJDFRONTRIGHT SIDEBACKKTOPELECTRICAL(LINE VOLTAGE)ELECTRICAL(LOW VOLTAGE)ELECTRICAL(LOW VOLTAGE)SOURCE WATER OUTLO

8RW SERIES INSTALLATION MANUALRIGHT SIDEBACKCABDEFGHFRONTTOPLOAD WATER INSOURCE WATER INLOAD WATER OUTSOURCE WATER OUTELECTRICAL(LOW VOLTAGE)ELECTRICA

9RW SERIES INSTALLATION MANUALPhysical DataModel Configuration CompressorRefrigerantCharge*TotalWeight CornerWeightsShipping Installed FrontLeft Re