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

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ELECTRICAL CONNECTIONS (continued)

Figure 11C -Tubular Propeller Units 30-120 with Natural and Propane (LP) Gas with OptionalTwo Stage Gas Control and Honeywell 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 GAS Piping Pipe SizingGas Pipe Size Gas Piping Requirements Pipe InstallationElectrical Connections Thermostat Wiring and LocationElectrical Connections Electrical Connections Electrical Connections Electrical Connections Electrical Connections Additional Requirements for Canadian Installations VentingVenting 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 Exhaust Venting Separarted Combustion Installation Venting CategoryCombustion AIR Venting and Piping Carbon MonoxideSeparated Combustion Concentric Vent Box DimensionsConcentric Vent Installation Horizontal Intake/Vent Installation Horizontal Termination AIR Inlet CollarExhaust AIR Collar Vertical TerminationOperation Explanation of Controls See FigureShut Down Tubular Unit Heater High Altitude Deration Primary AIR Shutter AdjustmentGAS Input Rate Main Burner Oriﬁce ScheduleNever 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 Supply Voltage SV 14, 15 + Accessories ASUnit Type UT 5 Capacity CAGeneral With power and gas offWith power and gas on PRE-INSPECTION InformationHvac Products