Manuals / Trane / Household Appliance / Air Conditioner

Trane RT-SVX10C-EN specifications 2A, SAHF Cooling-OnlyUnits 20 thru 75 Ton

Models: RT-SVX10C-EN

1 118

Download 118 pages 62.13 Kb

Page 17

Image 17

Figure 3-2A

SAHF Cooling-Only Units (20 thru 75 Ton)

Page 17

Image 17

Trane RT-SVX10C-EN specifications 2A, SAHF Cooling-OnlyUnits 20 thru 75 Ton

Contents

Maintenance InstallationRT-SVX10C-EN OperationOverview of Manual About The ManualLiterature Change History Section One Table of ContentsSection Two Section ThreeModel Number Description General InformationSample Model No Hazard Identification Fiberglass WoolGeneral Information Continued Commonly Used AcronymsGeneral Information Continued RTM Resistance Input vs Setpoint TemperaturesGeneral Information Continued Constant Volume & Variable Air Volume UnitsInput Devices & System Functions UnitLead-Lag General Information ContinuedGeneral Information Continued Constant Volume CV UnitsUnit Component Layout and Shipwith Locations Variable Air Volume VAV UnitsOccupied Heating - Supply Air Temperature Occupied Cooling - Supply Air TemperatureGeneral Information Continued Space Temperature AveragingTCI MOD J1-1 General Information ContinuedSection One Table of ContentsSection Two Section ThreeNo Step Surface Unit Dimensions & Weight InformationUnit Inspection As soon as the unit arrives at the job siteFigure SAHF Cooling-OnlyUnits 20 thru 75 Ton Figure 3-2ATable 3-1A Installation ContinuedTable 3-1B Table 3-1CSEHF, SFHF, SLHF, SSHF, SXHF Units 20 thru 75 Ton Figure 3-2BTable 3-2B Installation Continued Table 3-2ATable 3-2C Table 3-2DS_HG Cooling & Heating Units 90 through 130 Ton Figure 3-2CCenter-of-GravityData See Note FigureRoof Curb and Ductwork Installation Continued TableIf a Trane Curb Accessory Kit is not used Unit Rigging & PlacementHeavy Objects Pitch Pocket LocationFigure FigureTypical Unit Rigging Unit Base & Roof Curb SectionField Installed Control Wiring Main Electrical Power RequirementsGeneral Unit Requirements Requirements for Electric Heat UnitsO/A Pressure Sensor and Tubing Installation Installation ContinuedRequirements for Steam Heat SSH_ Figure 3-6AShipping Fasteners Condensate Drain ConnectionsInstallation Continued FigureFigure 3-7C Figure 3-7AFigure 3-7B Spring Isolators Installation ContinuedRubber Isolators 90 through 130 Ton FigureUnits with StatitracTM O/A Sensor & Tubing InstallationInstallation Continued FigureInstallation Continued Hazardous Gases and Flammable VaporsGas Heat Units SFH_ 235 and 350 MBH Table500 and 850 MBH Installation Continued1000 MBH Modulating 500 MBH - 1000 MBH Figure 3-10ContinuedHot Water Heat Units SLH_ Installation ContinuedTable Steam Heat Units SSHInstallation Continued Figure Installation Continued40 through 130 Ton units Hot Water Piping 20 through 75 TonSteam Coil Piping 40 through 130 Ton Units FigureSteam Coil Piping 20 through 30 Ton Units Main Unit Power Wiring Disconnect Switch External HandleHazardous Voltage Live Electrical ComponentsFigure Installation ContinuedTypical Field Power Wiring 20 thru 75 Ton Typical Field Power Wiring 90 thru 130 Ton Figure 3-14ContinuedCustomer Connection Wire Range TableTable Electrical Service Sizing Data 20 through 130 TonTable 3-7Continued Load Definitions LOAD B. Dual Source Power units 200V and Disconnect Switch Sizing DSSMCA = 1.25 x LOAD MOP = 1.25 x LOADControls using DC Analog Input/Outputs Controls using 24 VACConstant Volume System Controls Field Installed Control WiringInstallation Continued Variable Air Volume System ControlsRemote Panel w/ NSB 5U58 - BAYSENS020B Remote Panel w/o NSB 5U59 - BAYSENS021AExternal Auto/Stop Switch 5S67 Installation ContinuedPURGE Emergency Stop Switch 5S71SHUTDOWN Supply Fan - Off FIREFigure 3-16A Refer to Wiring Notes on pageRefer to Wiring Notes on page Figure 3-16BPage Refer to Wiring Notes on page Figure 3-17ARefer to Wiring Notes on page Figure 3-17BFigure Refer to Wiring Notes on pageGBAS Voltage vs Setpoint Unit TypeSection One Table of ContentsSection Two Section ThreeSequence of Operation Unit Start-UpCooling Sequence of Operation Fenwal Ignition System Gas Heating Sequence of OperationUnit Start-UpContinued Propane GasFlame Failure Modulating Gas Sequence of OperationPropane Gas Unit Start-UpContinuedWet Heat Sequence of Operation Electric Heat Sequence of OperationUnit Start-UpContinued Freeze ProtectionElectrical Phasing Compressor DamageHazardous Voltage Hazardous VoltageLive Electrical Components Voltage Supply and Voltage ImbalanceUnit Start-UpContinued Voltage SupplyTable Service Test Guide for Component OperationTable 4-1Continued Rotating Components Constant Volume SystemsVerifying Proper Fan Rotation If all of the fans are rotating backwardsa.Measure the actual fan RPM Live Electrical ComponentsFigure Hazardous Voltage Variable Air Volume SystemsLive Electrical Components Unit Start-UpContinuedTraqTM Sensor Airflow Measurement Exhaust Airflow MeasurementHazardous Voltage Live Electrical Components1700 RPM FigureFigure 4-2Continued Figure 4-2Continued Standard Evaporator Coil FigureUnit Airflow, CFM Standard Evaporator CoilFigure 4-3Continued Hi-CapNot Available on 115 & 130 Ton Units Figure 4-3ContinuedDrop Unit Airflow, CFMFigure Figure 4-4Continued Figure 4-4Continued Evaporator Coil TableTable Table 4-2ContinuedTable 4-3Continued Negative Static Pressure TableTo Adjust the Fresh Air Damper Travel Economizer Damper AdjustmentNo Step Surface Hazardous VoltageTable F/A Damper Travel AdjustmentUnit Start-UpContinued Compressor Damage Compressor Start-UpRotating Components FigureRotating Components Compressor Operational SoundsUnit Start-UpContinued Refrigerant ChargingCompressor Locations FigureCOOLING CYCLE PRESSURE CURVE Table 4-6Continued COOLING CYCLE PRESSURE CURVE Table 4-6ContinuedCOOLING CYCLE PRESSURE CURVE Table 4-6ContinuedFull Load Table 4-6ContinuedFull Load DischargeCooling Cycle Pressure Curve Table 4-6Continued90 Ton Operating Pressure Curve All Compressors and Condenser Fans, per ckt; On Table 4-6Continued115 Ton Operating Pressure Curve All Compressors and Condenser Fans, per ckt; On Table 4-6ContinuedCharging by Subcooling Thermostatic Expansion ValvesLow Ambient Dampers Unit Start-UpContinuedGas Furnace Start-Up Electric, Steam and Hot Water Start-UpHazardous Voltage Rotating ComponentsHigh-FireAdjustment Two Stage Gas FurnaceCombustion Air Adjustment O2 Low-FireAdjustment 500 MBH, 850 & 1,000 MBH onlyFigure Rotating Components Full Modulating Gas FurnaceUnit Start-UpContinued Heat ExchangerUnit Start-UpContinued Limited Modulating Gas FurnaceFigure Modulating Gas RegulatorFigure Unit Start-UpContinued Final Unit CheckoutHazardous Voltage Table Service & MaintenanceTable Service & Maintenance Continued Table Filter Data Service & Maintenance Continued TableTable Grease Recommendations Recommended Service & Maintenance Continued TableHazardous Voltage Fan Belt AdjustmentService & Maintenance Continued Figure Service & Maintenance Continued FigureScroll Compressor Replacement VFD Programming Parameters Hazardous Voltage! w/CapacitorsService & Maintenance Continued Hazardous VoltageFilters Monthly MaintenanceCooling Season Service & Maintenance ContinuedHeating Season Coil CleaningService & Maintenance Continued Hazardous VoltageContains Refrigerant Coil CleanersService & Maintenance Continued No Step SurfaceService & Maintenance Continued Final ProcessIndex Page Page WARRANTY AND LIABILITY CLAUSE Equipment Damage From Ultraviolet UV LightsRATED 20 TONS AND LARGER AND RELATED ACCESSORIES COMMERCIAL EQUIPMENT