Sterling RF-75, RF-60, RF-90, RF-45, RF-30 specifications Type B Draft Hood Connector

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Figure 15 - Category III Horizontal Venting Requirements Using Single Wall Vent Pipe

Figure 15A - Category III Horizontal Venting Requirements Using Type B Double Wall Vent Pipe

Figure 15B - Type B Draft Hood Connector

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Contents Receiving Instructions Tubular GAS Fired Direct Spark Propeller Unit HeatersDescription Table of ContentsGeneral Safety Information Dimensional Drawing Tubular 30 thru 90 Propeller Unit Heater Installation Installation Gas Pipe Size GAS PipingPipe Sizing Gas Piping Requirements Pipe InstallationElectrical Connections Thermostat Wiring and LocationElectrical Connections Venting into an unlined masonry chimney is prohibited Additional Requirements for Canadian InstallationsVenting Venting Categories Vertically Vented Unit Heaters CategoryNot apply to equipment specified Within this manualVent Systems Termination Clearance Requirements Structure Vent Maximum Number Maximum Horizontal Minimum Extension Category I Horizontal Venting RequirementsVent Support Horizontally Vented Unit Heaters Category Type B Draft Hood Connector Venting Venting Explanation of Controls See Figure OperationDetermine and Correct the Cause of the flame roll-out Shut DownGAS 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 ventor wheel Check for continuous 115v on terminal LED Status Indicates CHECK/REPAIR Troubleshooting with LED Indicator AssistanceItemDescription Propeller Parts HOW to Order Replacement Parts With power and gas on With power and gas offPRE-INSPECTION Information General