Manuals / Trane / Household Appliance / Heat Pump

Trane manual Installation, WC-IOM-7 Packaged Heat Pump

Models: WC-IOM-7

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Installation

Figure 13. Typical field wiring diagrams for optional controls (ReliaTel™ only)

WC-IOM-7 • Packaged Heat Pump

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Trane manual Installation, WC-IOM-7 Packaged Heat Pump

Contents

Model Number DecemberInstallation Operation Maintenance Packaged Heat PumpModel Number Description Warnings and CautionsHazardous Voltage w/Capacitors Contains RefrigerantEquipment Damage From Ultraviolet UV Lights WC-IOM-7 Packaged Heat PumpContents ContentsWarranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Heat Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 WCZ, WCY, WCX, WCC, WCD, WCH, WCM, WCP and WSC Parts Only. . . . 57 Models Less Than 20 Tons for Commercial Use*. . . . . . . . . . . . . . . . . . . . . . 57 Heat Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Standard Equipment Warranty Terms and Conditions. . . . . . . . . . . . . . . . . . 58 Commercial Equipment Warranty and Liability . . . . . . . . . . . . . . . . . . . . . . . 58 Models Larger that 20 Tons for Commercial Use* ContentsModel Number Description Service digitDigit Minor design sequenceUnit Nameplate General InformationCompressor Nameplate Unit DescriptionSystem Input Devices & Functions Clogged Filter Switch OptionalGeneral Information RTOM - ReliaTel Options Module OptionalPower Exhaust Control Optional Compressor Disable CPR1/2Low Pressure Control High Pressure Control OptionalZone Sensor Module ZSM BAYSENS007B Lead/Lag Control Dual Circuit OnlyZone Sensor Module ZSM BAYSENS009B Zone Sensor BAYSENS011BRemote Zone Sensor BAYSENS013C High Temperature Sensor BAYFRST001ARemote Zone Sensor BAYSENS014C Remote Zone Sensor BAYSENS016AGeneral Information Unit InspectionSmoke Detector Sensor Optional Fiberglass Wool Precautionary MeasuresFirst Aid Measures StorageGeneral Information Unit ClearancesWC-IOM-7 Packaged Heat Pump Unit DimensionsPackaged Heat Pump WC-IOM-7 Unit DimensionsFigure 5. Roofcurb Dimensional Data 20 Ton Figure 4. Unit Dimensional Data 20 TonUnit Dimensions WC-IOM-7 Packaged Heat PumpPackaged Heat Pump WC-IOM-7 Figure 7. Horizontal Duct Dimensional Data 20 TonUnit Dimensions Heavy Objects Typical weights and point loading dataImproper Unit Lift Figure 8. Rigging and center of gravity dataUnit Dimensions RiggingIf a Curb Accessory Kit is not used InstallationFoundation General Unit RequirementsFactory Installed Economizer InstallationMain Electrical Power Requirements Low Voltage Wiring AC & DC RequirementsFilter Installation Condensate Drain ConfigurationField Installed Power Wiring Figure 9. Condensate Trap InstallationStandard Wiring Main Unit PowerOptional TBUE Wiring NOTICE Use Copper Conductors OnlyControl Power Transformer Field Installed Control WiringHazardous Voltage InstallationPackaged Heat Pump WC-IOM-7 Controls using 24 VACInstallation RTRM Table 3. DC Conductors Zone Sensor Module wiringInstallation Installation Smoke Detector Customer Low Voltage WiringFigure 12. Smoke detector wiring WC-IOM-7 Packaged Heat Pump InstallationPackaged Heat Pump WC-IOM-7 Space Temperature AveragingInstallation Installation Table 4. Temperature vs. ResistanceTemperature Hazardous VoltageInstallation Voltage ImbalanceLive Electrical Components Electrical Phasing Three Phase MotorsCompressor Crankcase Heaters Optional InstallationInstallation ReliaTel ControlsLive Electrical Components Packaged Heat Pump WC-IOM-7Test Modes Service test guide for component operationPre-Start Verifying Proper Air Flow Pre-StartUnits with Belt Drive Indoor Fan ReliaTel ControlPre-Start Return Air Smoke DetectorEconomizer Start-Up Start UpRotating Components Compressor Start-UpScroll Compressors Start UpHeating Start-Up Start Up Final System SetupRotating Components MaintenanceFan Belt Adjustment - Belt Drive Units Monthly Maintenance Maintenancevalue shown in Table Belt tension measurement and deflection rangesCooling Season Return Air Smoke Detector MaintenanceFilters MaintenanceMaintenance Coil CleaningHeating Season Maintenance Hazardous PressuresFinal Process Maintenance Sample maintenance logReliaTel Control TroubleshootingHazardous Service Procedures System Status Checkout Procedure TroubleshootingMethod LED 1 SystemService Failure LED 4 ServiceSystem Failure MethodHeat Failure Resetting Cooling and Heating LockoutsCool Failure TroubleshootingClogged Filter Switch Zone Temperature Sensor ZTS Service IndicatorFan Failure Switch TroubleshootingTest Zone Temperature Thermistor ZTEMP Zone Temperature Sensor ZTS TestTest Cooling Set Point CSP and Heating Set Point HSPTesting serial communication voltage LED Indicator Test, SYS ON, HEAT, COOL & SERVICEProgrammable & Digital Zone Sensor Test Test System Mode and Fan SelectionSystem mode and fan selection chart ReliaTel Refrigeration Module RTRM Default ChartUnit Operation without a Zone Sensor TroubleshootingReliaTel Control Unit Economizer Control ECA TroubleshootingTroubleshooting Drawing Wiring DiagramsNumber DescriptionModels Less Than 20 Tons for Commercial Use WarrantyHeat Pump Standard Equipment Warranty Terms and Conditions WarrantyCommercial Equipment Warranty and Liability Models Larger that 20 Tons for Commercial UsePage WC-IOM-7 Literature Order NumberDate 12/04