Manuals / Trane / Household Appliance / Air Conditioner

Trane RAUC-C60, RAUC-C50, RAUC-C30, RAUC-C20, RAUC-C40, RAUC-C25 manual Installation, SS-SVX09A-EN

Models: RAUC-C20 RAUC-C40 RAUC-C25 RAUC-C30 RAUC-C60 RAUC-C50

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Installation

Figure 7. RAUC-C50 Unit Dimensional Data & Recommended Clearances

14	SS-SVX09A-EN

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Trane RAUC-C60, RAUC-C50, RAUC-C30, RAUC-C20, RAUC-C40, RAUC-C25 manual Installation, SS-SVX09A-EN

Contents

Remote Split System Units JuneInstallation Operation Maintenance Air Cooled Condensing Units and EVP ChillersEnvironmental Concerns Warnings, Cautions and NoticesGrounding Required Responsible Refrigerant PracticesTable of Contents SS-SVX09A-ENSS-SVX09A-EN Unit Nameplate General InformationModel Number Description Compressor NameplateEVP Chiller Applications Only General InformationEvaporator Nameplate Unit DescriptionNo Step Surface InstallationUnit Inspection Unit ClearancesFoundation Unit Dimensions & Weight InformationInstallation NOTICEInstallation SS-SVX09A-ENInstallation SS-SVX09A-ENInstallation SS-SVX09A-ENInstallation SS-SVX09A-ENInstallation SS-SVX09A-ENInstallation SS-SVX09A-ENInstallation SS-SVX09A-ENNote All water connections are Victaulic InstallationFigure 9. BPHE 20 Evaporator Chiller Dimensions SS-SVX09A-ENNote: All water connections are Victaulic InstallationFigure 10. BPHE 25 Evaporator Chiller Dimensions Note: All water connections are Victaulic InstallationFigure 11. BPHE 30 Evaporator Chiller Dimensions SS-SVX09A-ENSS-SVX09A-EN InstallationNote: All water connections are Victaulic 13.533SS-SVX09A-EN InstallationNote: All water connections are Victaulic 827.2Note: All water connections are Victaulic InstallationFigure 14. BPHE 60 Evaporator Chiller Dimensions SS-SVX09A-ENTable InstallationTypical Unit Weights & Point Loading Data SS-SVX09A-ENInstallation RiggingHeavy Objects Installation Unit IsolationNeoprene Isolators Heavy ObjectsHeavy Objects Installation Spring IsolatorsLeveling the Unit Two Manifolded Compressors Shipping FastenersCompressor Shipping Hardware InstallationInstallation General Unit RequirementsRefrigerant Piping Requirements EVP Chilled Water Piping Requirements Main Electrical Power RequirementsHazard of Explosion Hazardous Voltage115 Volt Control Wiring All Units Ground WireField Installed Control Wiring Requirements ”No Controls” UnitsGrounding Required Ground WireInstallation Figure 17. EVP Chiller PipingConstant Volume Units Low Voltage Wiring AC & DCVariable Air Volume VAV Units Refrigerant Line ComponentsLiquid Line Solenoid Valves Liquid Line Moisture Indicator Sight GlassAccess Valves Ports Thermostatic Expansion Valve TEVInstallation Split System Component Number DefinitionsInstallation Refrigerant PipingSuction Line Piping Suction Line Interconnecting TubingLiquid Line Interconnecting Tubing Liquid Line PipingInstallation SS-SVX09A-EN Evaporator PipingInstallation Installation Optional Pressure GaugesFinal Refrigerant Pipe Connections SS-SVX09A-ENInstallation Brazing ProceduresHazard of Explosion and Deadly Gases Hazard of ExplosionHazard of Explosion Leak Testing ProcedureInstallation Hazard of ExplosionSS-SVX09A-EN Chilled Water PipingInstallation SS-SVX09A-EN InstallationFigure 21. Evaporator Water-PressureDrop Air Vents Chiller Flow SwitchWater Temperature Sensor Water Pressure GaugesNOTICE FreezestatInstallation Figure 22. Typical Piping RecommendationsNOTICE Final Water Piping ConnectionsInstallation NOTICENOTICE Field Installed Power WiringInstallation NOTICEHazardous Voltage Main Unit Power WiringInstallation Calculation #1 MCA, MOP, and RDE Power Wire Sizing and Protection DeviceEquations InstallationTable 8. Electrical Service Sizing Data Installation Calculation #2Disconnect Switch Sizing DSS SS-SVX09A-ENInstallation Field Installed Control WiringControls Using 115 VAC Hazardous VoltageEVP Interlocks EVP Flow control 6S58 Supply Fan InterlockControl options utilizing an Air Handler EVP Circulating Pump InterlockInstallation Controls using 24 VACControls using DC Analog Input/Outputs Hazardous VoltageTable 10. DC Conductors Economizer Actuator CircuitInstallation Installation Temperature Control ParametersNo System Control Hazardous VoltageSS-SVX09A-EN InstallationRefer to Wiring Notes on p. Installation SS-SVX09A-ENGround Wire Variable Air Volume Control Honeywell W7100ADischarge Air Sensor Honeywell 6RT3 InstallationInstallation Suction Line ThermostatNight Setback Hazardous VoltageEVP Chiller Control InstallationInstallation W7100G Discharge Chilled Water ControllerGround Wire Grounding RequiredInstallation Chilled Water Temperature Sensor Honeywell 6RT2Ground Wire Grounding RequiredHazardous Voltage Outside Air Thermostat 5S57 Field ProvidedInstallation SS-SVX09A-ENInstallation SS-SVX09A-ENElectronic Zone Thermostat Honeywell T7067 Constant Volume Control HoneywellThermostat Wiring Thermostat CheckoutInstallation SS-SVX09A-ENTable 11. Q667 Switching Subbase Discharge Air Sensor Honeywell 6RT1Installation Hazardous VoltageInstallation SS-SVX09A-ENSS-SVX09A-EN InstallationFigure 33. 6RT1 Discharge Air Sensor Assembly EVP Chiller Applications System Pre-StartProceduresCompressor Damage Hazardous VoltageNOTICE System Evacuation ProceduresSystem Pre-StartProcedures NOTICEFigure 34. Typical Vacuum Pump Hookup Standing Vacuum TestSystem Pre-StartProcedures Figure 35. Evacuation Time vs. Pressure Rise System Pre-StartProceduresHazardous Voltage System Pre-StartProcedures SS-SVX09A-ENSystem Pre-StartProcedures Figure 36. W7100A Discharge Air ControllerSystem Pre-StartProcedures Discharge Air Sensor Checkout Honeywell SensorEconomizer Actuator Checkout Hazardous VoltageHazardous Voltage EVP Chiller Control Checkout Honeywell W7100GSystem Pre-StartProcedures System Pre-StartProcedures Hazardous Voltage Chilled Water Sensor Checkout Honeywell SensorSystem Pre-StartProcedures Figure 38. W7100G Chilled Water ControllerSystem Pre-StartProcedures Switch 1S1Master Energy Control Checkout Hazardous VoltageSystem Pre-StartProcedures Zone Thermostat Checkout Honeywell T7067Switch 1S1 Hazardous Voltage Discharge Air Sensor Checkout Honeywell 6RT1System Pre-StartProcedures SS-SVX09A-ENOhms System Pre-StartProceduresTemperature - Degree F C ResistanceSwitch 1S1 Voltage ImbalanceElectrical Phasing System Pre-StartProceduresVAV W7100A Discharge Air Controller 7U11 System Start-UpSequence of Operation Economizer CycleThermostatic Expansion Valve Chilled Water Temperature Controller 6U11System Start-Up Figure 41. W7100A Staging SequenceFigure 42. W7100G Staging Sequence Condenser FansSystem Start-Up Pump Down Low Ambient DampersCompressor Crankcase Heaters System Start-UpHot Gas Bypass Operation Live Electrical ComponentsSystem Start-Up Low Ambient Thermostats System Start-Up Freezestat SettingEVP Chiller Applications WaterSystem Airflow Measurement “Air Over” Evaporator ApplicationRotating Components Verifying Proper Supply Fan RotationNOTICE Compressor Start-UpAll SystemsCompressor Damage System Start-UpNOTICE Live Electrical ComponentsRotating Components System Start-UpMeasuring Superheat SubcoolingMeasuring Subcooling System Start-UpTable 15. Minimum starting Ambient Temperature Compressor OilTable 13. Pressure Control Switch Settings System Start-UpTable 16. Compressor Sequence Table 15. Minimum starting Ambient TemperatureSystem Start-Up SS-SVX09A-ENFigure 46. Typical Compressor Terminal Block System Start-UpFigure 45. Typical Compressor Locations SS-SVX09A-ENSS-SVX09A-EN System Start-UpFigure 47. 20 Ton Pressure Curve SS-SVX09A-EN System Start-UpFigure 48. 25 Ton Pressure Curve SS-SVX09A-EN System Start-UpFigure 49. 30Ton Pressure Curve SS-SVX09A-EN System Start-UpFigure 50. 40 Ton Pressure Curve per Circuit SS-SVX09A-EN System Start-UpFigure 51. 50 Ton Pressure Curve per Circuit SS-SVX09A-EN System Start-UpFigure 52. 60 Ton Pressure Curve per Circuit Table 17. Recommended Operating Setpoints Final System SetupSystem Start-Up SS-SVX09A-EN Table 18. Sample Maintenance LogSystem Start-Up Compressor Operational Sounds Service & MaintenanceScroll Compressor Replacement At ShutdownTable 19. Compressor Circuit Breaker Data Service & MaintenanceFigure 53. Suction Line Filter/Drier Installation SS-SVX09A-ENAir Handling Equipment Fuse Replacement DataMonthly Maintenance Service & MaintenanceService & Maintenance Coil CleaningCondensing Unit Rotating ComponentsService & Maintenance Hazardous PressuresSystem operation Live Electrical ComponentsWARRANTY AND LIABILITY CLAUSE ACCESSORIESNumerics SymbolsIndex Index Date Literature Order NumberSS-SVX09A-EN June