Sterling GG-105, GG-90, GG-75, GG-60, GG-45, GG-120, GG-30 specifications Electrical Connections

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ELECTRICAL CONNECTIONS (continued)

Figure 10C -Tubular Propeller Units 60-120 with Natural and Propane (LP) Gas with OptionalTwo Stage Gas Control and UT Control Board

NOTICE: See Figures 7, 8, 9, 10B, 10C, 11B and 11C for connecting the thermostat to the unit heater. If using a standard low voltage thermostat with a sub-base switch for fan control,connect the G terminal of the thermostat to the G terminal of the unit heater.

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Contents Receiving Instructions Tubular GAS Fired Direct Spark Propeller Unit HeatersDescription Table of ContentsGeneral Safety Information Performance DATA† Page Installation Installation Pipe Sizing GAS PipingGas Pipe Size Gas Piping Requirements Pipe InstallationElectrical Connections Thermostat Wiring and LocationElectrical Connections Electrical Connections Electrical Connections Electrical Connections Electrical Connections Venting Additional Requirements for Canadian InstallationsVenting into an unlined masonry chimney is prohibited Venting Categories Venting General GuidelinesVertically VENTED, Category I Figure Standard CombustionCategory I Horizontal Venting Requirements Vent Support Horizontally VENTED, Category III Figure Vertically VENTED, Category III Type B Draft Hood Connector Venting Venting Combustion AIR Venting and Piping Separarted Combustion Installation Venting CategoryCarbon Monoxide Exhaust VentingSeparated Combustion Concentric Vent Box DimensionsConcentric Vent Installation Horizontal Intake/Vent Installation Exhaust AIR Collar AIR Inlet CollarVertical Termination Horizontal TerminationExplanation of Controls See Figure OperationShut Down GAS Input Rate Primary AIR Shutter AdjustmentMain Burner Oriﬁce Schedule Tubular Unit Heater High Altitude DerationNever over oil the motor or premature failure may occur Periodic ServiceSymptoms Possible Causes Corrective Action Tubular Propeller Troubleshooting GuideRealign power venter wheel Check operation of switch, did the switch LED Status Indicates CHECK/REPAIR Pattern Status CHECK/REPAIR ItemDescription Propeller Parts HOW to Order Replacement Parts Unit Type UT 14, 15 + Accessories AS5 Capacity CA Supply Voltage SVWith power and gas on With power and gas offPRE-INSPECTION Information GeneralHvac Products