Sterling GF-150, TF-400, TF-150, TF-300, TF-200, TF-350, TF-175, TF-250, TF-125 Electrical Connections

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ELECTRICAL CONNECTIONS (continued)

Figure 5d - Tubular Units Equipped with Natural Gas and Propane (LP) Gas

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Contents Tubular GAS Fired Direct Spark Propeller Unit Heaters Receiving InstructionsTable of Contents DescriptionGeneral Safety Information Dimensional Drawing Tubular Propeller Unit Heater Installation Installation Pipe Sizing GAS PipingGas Pipe Size Pipe Installation Gas Piping RequirementsThermostat Wiring and Location Low-voltage T Thermostat Wiring Single Stage Two StageElectrical Connections Electrical Connections Tubular Unit Sizes with Optional 2 Stage Ignition Vertically Vented Unit Heaters Category VentingVenting Categories Horizontally Vented Unit Heaters Category Structure Termination LocationsVenting Venting Venting Explanation of Controls See Figure OperationShut Down GAS Input Rate Primary AIR Shutter AdjustmentMain Burner Oriﬁce Schedule Tubular Unit Heater High Altitude Deration Natural GAS Propane LP GASTubular Propeller Troubleshooting Guide Symptoms Possible Causes Corrective ActionRealign power ventor wheel Check for continuous 115v on terminal LED Status Indicates CHECK/REPAIR Periodic Service MaintenanceNever over oil the motor or premature failure may occur Limited Warranty Power Vented Tubular Propeller Unit HeatersHeat Exchanger Assembly Propeller PartsPower Venter Assembly Turbulator/High Limit LocationPRE-INSPECTION Information With power and gas offWith power and gas on General