Sterling RF-60, RF-90, RF-75, RF-45, RF-30 specifications Electrical Connections

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ELECTRICAL CONNECTIONS (continued)

Figure 9 - Tubular Propeller Units Equipped with a Rollout Switch

Tubular 30 thru 90 Unit Sizes with Natural and Propane (LP) Gas

NOTICE: See Figures 7, 8 and 9 for connecting the thermostat to the unit heater. If using a standard low voltage thermostat with a sub-base switch for fan control, remove the jumper between G and R. Connect the G terminal of the thermostat to the G terminal of the unit heater.

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Contents Tubular GAS Fired Direct Spark Propeller Unit Heaters Receiving InstructionsTable of Contents DescriptionGeneral Safety Information Dimensional Drawing Tubular 30 thru 90 Propeller Unit Heater Installation Installation Pipe Sizing GAS PipingGas Pipe Size Pipe Installation Gas Piping RequirementsThermostat Wiring and Location Electrical ConnectionsElectrical Connections Venting Additional Requirements for Canadian InstallationsVenting into an unlined masonry chimney is prohibited Not apply to equipment specified Vertically Vented Unit Heaters CategoryVenting Categories Within this manualVent Systems Termination Clearance Requirements Structure Category I Horizontal Venting Requirements Vent Maximum Number Maximum Horizontal Minimum ExtensionVent Support Horizontally Vented Unit Heaters Category Type B Draft Hood Connector Venting Venting Determine and Correct the Cause of the flame roll-out OperationExplanation of Controls See Figure Shut DownMain Burner Orifice Schedule Primary AIR Shutter AdjustmentGAS Input Rate Tubular Unit Heater High Altitude DerationPeriodic Service Never over oil the motor or premature failure may occurTubular Propeller Troubleshooting Guide Symptoms Possible Causes Corrective ActionRealign power ventor wheel Check for continuous 115v on terminal Troubleshooting with LED Indicator Assistance LED Status Indicates CHECK/REPAIRItemDescription Propeller Parts HOW to Order Replacement Parts PRE-INSPECTION Information With power and gas offWith power and gas on General