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

Page 16

VENTING (continued)

Figure 9A

Figure 9B

16

Image 16

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 LocationWith power and gas off With power and gas onPRE-INSPECTION Information General