Sahf Cooling-Only Units 20 thru 75 Ton | Trane RT-SVX10C-EN specification

Figure 3-2A

SAHF Cooling-Only Units (20 thru 75 Ton)

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Trane RT-SVX10C-EN specifications Sahf Cooling-Only Units 20 thru 75 Ton

Contents

With 3-DTMScroll Compressors ModelsLater Design Sequence Overview of Manual Literature Change History Table of Contents Model Number Description General Information Digit 3 Unit Airflow Hazard Identification Fiberglass WoolGeneral Information Commonly Used Acronyms Unit Description 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 No Step Surface Unit Dimensions & Weight InformationUnit Inspection As soon as the unit arrives at the job site StoragePage Sahf Cooling-Only Units 20 thru 75 Ton Unit Dimensional Data Dimensions Size InstallationUnit Base Dimensional Data Dimensions Electrical Entrance Data Unit Dimensions SEHF, SFHF, SLHF, SSHF, Sxhf Units 20 thru 75 Ton Unit Dimensions Size Unit Base Dimensional Data Dimensions SizeElectrical Entrance Data Unit Dimensions Size Unit Size Furnace Dimensions Note Size/MBH Length Height SHG Cooling & Heating Units 90 through 130 Ton Sehf SahfSlhf Sshf Sahf Sshf Sfhf Sxhf Sehg Sfhg Sxhg HF/G Roof Curb and DuctworkSE,SL If a Trane Curb Accessory Kit is not used Installation Unit Rigging & PlacementHeavy Objects Pitch Pocket Location Typical Unit Rigging Unit Base & Roof Curb Section Installation Field Installed Control Wiring Main Electrical Power RequirementsGeneral Unit Requirements Requirements for Electric Heat Units Installation Condensate Drain Connections Page Removing Supply and Exhaust Fan Shipping Channels Motors 5Hp Page Units with StatitracTM Installation Sensor & Tubing Installation Gas Heat Units SFH Connecting the Gas Supply Line to the Furnace Gas TrainHazardous Gases and Flammable Vapors 350 MBH 850 MBH Flue Assembly Flue Assembly Installation1000 MBH Modulating 500 MBH 1000 MBH Hot Water Heat Units SLH SSHG-90 Steam Heat Units SSH Through 130 Ton units Page Use Copper Conductors Only Hazardous VoltageLive Electrical Components Typical Field Power Wiring 20 thru 75 Ton Page Condenser Fans Total FLA Supply Fan Motor FLA ea HorsepowerExhaust Fan Motor FLA Unit Tonnage No. of Compressors Tonnage Type Designation CombustionBlower Motor Sfhf Only Load Definitions Load Single Source Power 380V, 415V, 460V,= Current of the Largest Motor Compressor or FAN Motor On the Next Disconnect Switch Sizing DSS Power Wire Sizing and Protection Device EquationsDual Source Power units 200V MCA = 1.25 x Load MOP = 1.25 x Load Constant Volume System Controls Controls using 24 VACInstallation Controls using DC Analog Input/Outputs 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 Fenwal Ignition System Gas Heating Sequence of OperationUnit Start-Up Propane Gas Full and Limited Modulating Gas Furnace Modulating Gas Sequence of OperationFlame Failure Freeze Protection Electric Heat Sequence of OperationUnit Start-Up Wet Heat Sequence of Operation Electrical Phasing Unit PowerCompressor Damage Voltage Imbalance Voltage Supply and Voltage ImbalanceVoltage Supply IGV Service Test Guide for Component Operation Supply FAN Rotating Components System Airflow Measurements Constant Volume SystemsVerifying Proper Fan Rotation If all of the fans are rotating backwards Condenser Fan Location with Human Interface Designator Variable Air Volume Systems TraqTM Sensor Airflow Measurement Exhaust Airflow MeasurementOptional with all Units Optional with all units equipped with an economizer 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 CFM RPM BHP STDAIR HF-C25 000 HF-C20 00010,000 HF-C30 000 AIR RPM BHP RPM BHP BHP RPM BHP RPM BHP To Adjust the Fresh Air Damper Travel Economizer Damper AdjustmentExhaust Air Dampers Fresh Air & Return Air Damper Operation Connecting Rod Crank Arm Hole Damper Travel Adjustment PositionConfiguration Ton Units Compressor Start-Up Fresh Air & Return Air Linkage AdjustmentAll Systems 70 & 105 Ton Refrigerant Charging Compressor Operational SoundsAt Shutdown At Low Ambient Start-Up 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 Low Ambient Dampers Thermostatic Expansion ValvesCharging by Subcooling Gas Furnace Start-Up Electric, Steam and Hot Water Start-Up Combustion Air Adjustment O2 High-Fire AdjustmentLow-Fire Adjustment 500 MBH, 850 & 1,000 MBH only Two Stage Gas Furnace CO2 Pressure MBHFiring Manifold Unit control Full Modulating Gas FurnaceHeat Exchanger Modulating Gas Regulator Legend Limited Modulating Gas Furnace Unit Start-UpModulating Gas Regulator Typical Gas Furnace Unit Start-Up Final Unit Checkout Service & Maintenance Unit Internal Fuse Replacement Data & VFD Factory Settings Service & Maintenance Qty Size of each Unit Model Box-type Note QtyWet Heat Coil Fin Data Total Coil Fins Model Type Service & Maintenance Fan Belt Adjustment Gripbelts Gripnotch Cross Small P.D Section Range Min Max Scroll Compressor ReplacementSuction Line Filter/Drier Installation Supply and Exhaust Fan VFD Programming Parameters Hazardous Voltage! w/CapacitorsVFD Programming Parameters Cooling Season Service & Maintenance Monthly MaintenanceFilters Heating Season Coil Cleaning Steam or Hot Water Coils Coil CleanersContains Refrigerant 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