Trane RT-SVX10C-EN guide

Figure 3-2B

SEHF, SFHF, SLHF, SSHF, SXHF Units (20 thru 75 Ton)

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Image 19

Trane RT-SVX10C-EN specifications SEHF, SFHF, SLHF, SSHF, Sxhf Units 20 thru 75 Ton

Contents

Later Design Sequence ModelsWith 3-DTMScroll Compressors Overview of Manual Literature Change History Table of Contents Model Number Description General Information Digit 3 Unit Airflow Unit Description Fiberglass WoolHazard Identification General Information Commonly Used Acronyms Supply AIR General Information CFM Ventilation Control Module VCM Design special option only Lead-Lag Constant Volume CV Units Unit Component Layout and Shipwith Locations Variable Air Volume VAV Units General Information Space Temperature Averaging Control Module Locations for SHF 40, 60, 70 & 75 Ton Units Table of Contents Storage Unit Dimensions & Weight InformationNo Step Surface Unit Inspection As soon as the unit arrives at the job sitePage Sahf Cooling-Only Units 20 thru 75 Ton Electrical Entrance Data Unit Dimensions InstallationUnit Dimensional Data Dimensions Size Unit Base Dimensional Data Dimensions SEHF, SFHF, SLHF, SSHF, Sxhf Units 20 thru 75 Ton Unit Size Furnace Dimensions Note Size/MBH Length Height Unit Base Dimensional Data Dimensions SizeUnit Dimensions Size Electrical Entrance Data Unit Dimensions Size SHG Cooling & Heating Units 90 through 130 Ton Sshf SahfSehf Slhf SE,SL Roof Curb and DuctworkSahf Sshf Sfhf Sxhf Sehg Sfhg Sxhg HF/G Pitch Pocket Location Installation Unit Rigging & PlacementIf a Trane Curb Accessory Kit is not used Heavy Objects Typical Unit Rigging Unit Base & Roof Curb Section Requirements for Electric Heat Units Main Electrical Power RequirementsInstallation Field Installed Control Wiring General Unit Requirements Installation Condensate Drain Connections Page Removing Supply and Exhaust Fan Shipping Channels Motors 5Hp Page Units with StatitracTM Installation Sensor & Tubing Installation Hazardous Gases and Flammable Vapors Connecting the Gas Supply Line to the Furnace Gas TrainGas Heat Units SFH 350 MBH 850 MBH Hot Water Heat Units SLH Flue Assembly InstallationFlue Assembly 1000 MBH Modulating 500 MBH 1000 MBH SSHG-90 Steam Heat Units SSH Through 130 Ton units Page Live Electrical Components Hazardous VoltageUse Copper Conductors Only Typical Field Power Wiring 20 thru 75 Ton Page FLA Supply Fan Motor FLA ea HorsepowerCondenser Fans Total FLA Exhaust Fan Motor Blower Motor Sfhf Only CombustionUnit Tonnage No. of Compressors Tonnage Type Designation On the Next Single Source Power 380V, 415V, 460V,Load Definitions Load = Current of the Largest Motor Compressor or FAN Motor MCA = 1.25 x Load MOP = 1.25 x Load Power Wire Sizing and Protection Device EquationsDisconnect Switch Sizing DSS Dual Source Power units 200V Installation Controls using DC Analog Input/Outputs Controls using 24 VACConstant Volume System Controls Constant Volume or Variable Air Volume System Controls Variable Air Volume System Controls Depressurize Pressurize Fire Purge 16A Refer to Wiring Notes on 16B Page 17A 17B Input Voltage VAV Setpoint Table of Contents Sequence of Operation Cooling Sequence of Operation Propane Gas Gas Heating Sequence of OperationFenwal Ignition System Unit Start-Up Flame Failure Modulating Gas Sequence of OperationFull and Limited Modulating Gas Furnace Unit Start-Up Wet Heat Sequence of Operation Electric Heat Sequence of OperationFreeze Protection Compressor Damage Unit PowerElectrical Phasing Voltage Supply Voltage Supply and Voltage ImbalanceVoltage Imbalance IGV Service Test Guide for Component Operation Supply FAN If all of the fans are rotating backwards System Airflow Measurements Constant Volume SystemsRotating Components Verifying Proper Fan Rotation Condenser Fan Location with Human Interface Designator Variable Air Volume Systems Optional with all units equipped with an economizer Exhaust Airflow MeasurementTraqTM Sensor Airflow Measurement Optional with all Units Ton Supply Fan Performance without Inlet Guide Vanes 20 & 25 Ton Supply Fan Performance without Inlet Guide Vanes Wocfm 1200 RPM 40 HP 40% 300 RP Standard Evaporator Coil 20000 30000 40000 50000 60000 Drop Ton Supply Fan Performance with Inlet Guide Vanes 20 & 25 Ton Supply Fan Performance with Inlet Guide Vanes 15 HP 900 RPM 80% 10 HP RPM AIR Through 75 Ton Component Static Pressure Drops Inches W.C AIR STDCFM RPM BHP HF-C30 000 HF-C20 000HF-C25 000 10,000 AIR RPM BHP RPM BHP BHP RPM BHP RPM BHP Fresh Air & Return Air Damper Operation Economizer Damper AdjustmentTo Adjust the Fresh Air Damper Travel Exhaust Air Dampers Ton Units Damper Travel Adjustment PositionConnecting Rod Crank Arm Hole Configuration 70 & 105 Ton Fresh Air & Return Air Linkage AdjustmentCompressor Start-Up All Systems At Low Ambient Start-Up Compressor Operational SoundsRefrigerant Charging At Shutdown Compressor Locations Cooling Cycle Pressure Curve 340 320 Full Load 380 360 340 OD Ambient Full Load 380 360 340 OD Ambient 320 240 220 380 360 OD Ambient Charging by Subcooling Thermostatic Expansion ValvesLow Ambient Dampers Gas Furnace Start-Up Electric, Steam and Hot Water Start-Up Two Stage Gas Furnace High-Fire AdjustmentCombustion Air Adjustment O2 Low-Fire Adjustment 500 MBH, 850 & 1,000 MBH only Firing Manifold MBHCO2 Pressure Heat Exchanger Full Modulating Gas FurnaceUnit control Modulating Gas Regulator Limited Modulating Gas Furnace Unit Start-UpModulating Gas Regulator Legend Typical Gas Furnace Unit Start-Up Final Unit Checkout Service & Maintenance Unit Internal Fuse Replacement Data & VFD Factory Settings Service & Maintenance Model Type Unit Model Box-type Note QtyQty Size of each Wet Heat Coil Fin Data Total Coil Fins Service & Maintenance Fan Belt Adjustment Suction Line Filter/Drier Installation Scroll Compressor ReplacementGripbelts Gripnotch Cross Small P.D Section Range Min Max VFD Programming Parameters Hazardous Voltage! w/CapacitorsSupply and Exhaust Fan VFD Programming Parameters Filters Service & Maintenance Monthly MaintenanceCooling Season Heating Season Coil Cleaning Contains Refrigerant Coil CleanersSteam or Hot Water Coils Final Process Index See Figure Gate type valve 36-37 See -12 Figure See VOM Contacts -16 Figure Equipment Damage From Ultraviolet UV Lights Warranty and Liability Clause 115 116