York DFAA, DFAH installation manual Wiring Diagram for Dfah Gas Gun

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107272-UIM-B-1105

FIGURE 46: Wiring Diagram for DFAH - Gas Gun

Unitary Products Group

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Contents List of Figures Section I SafetyFor Installation List of SectionsSpecific Safety Rules and Precautions Safety RequirementsFollowing requirements to be met Inspection Combustion AIR Quality List of ContaminantsPiping FLOOR/BOTTOM Check Certifications / ApprovalsFurnace Location and Clearances TOP Front Back Sides AIR Inlet Roof Jack DUCT1Duct system’s design and installation must Section II DuctworkDuctwork General Information Clearance Requirements Canada Duckwork InstallationAir Distribution Systems Duct Design CanadaAir Distribution Systems Installation of Screw Attachment Duct Connector Duct ConnectorsMBH CFM Installation of TAB Attachment Duct ConnectorsFurnace and Air Conditioner Installations Installation of the FurnaceBlend AIR Installations Section III FiltersReturn AIR Requirements OIL Safety Section IV OIL PipingConnect Fuel Lines AFG Installation and Checking of OIL PipingEffect of Elevation on OIL Burner Firing ExampleONE Pipe System Section V Electrical PowerSolenoid Wiring Electrical Power ConnectionsSection VI VENT/COMBUSTION AIR System LOW Voltage Control Wiring ConnectionsVent and Combustion AIR Safety Eighteen gauge thermostat wire is highly recommendedExterior Roof Jack Extension Existing Furnace ReplacementNEW Home Installation Installation in Snow RegionsInterior Extensions Installing Roof Jack in RoofConnect Roof Jack to Furnace Locating and Cutting Roof Jack OpeningInterior Extension Complete Installation, as requiredRoof Jack Adjustable Height with Secure Roof Jack to RoofDfaa Models Dfah Models UIM-B-1105 Installing Ceiling Ring Vent SystemVent Clearances Home Layout Canadian Installations1 US Installation2 Section VII Safety Controls Section Viii START-UP Adjustments SpecificationsSTART-UP and Adjust Burner SET Combustion with Instruments Adjustment of OIL Pump PressureAdjustment of Temperature Rise Ignition System SequenceDetermine System Airflow Final ProcedureInstall Furnace Doors Applying Filter Pressure Drop toDfaa Model Item Number DescriptionDfah Model Wiring Diagram for Dfaa Oil-Fired Furnace Section IX Wiring Diagram OIL-FIRED FurnaceUIM-B-1105 Wiring Diagram for Dfah Oil Furnace Unitary Products GroupGAS Piping Installation of Burner and ControlsSection X GAS GUN Burner Preparation of Combustion ChamberLength of Pipe Nominal Diameter of Pipe in Inches mm Testing Piping for LeaksGAS Piping Installation Locate GAS LEAKS, USE a Soap SolutionHigh Altitude GAS Orifice Conversion GAS Orifice Conversion for Propane LPGas Firing Rate Orifice Air Shutter Sizing Furnace InputNatural GAS Propane GASSection XI START-UP Adjustments PurgingCalculating the Furnace Input Natural GAS USA use the following formula to calculate the furnace input Inlet GAS Pressure Range Adjustment of Manifold GAS PressureInitial Start UP Checking the GAS PressuresObserving Burner Operation If Furnace Fails to Operate ProperlyPerformance Check Electrode Orientation and Gap Section XII Wiring Diagram GAS Conversion Burner Wiring Diagram for Dfah Gas Gun Copyright by York International Corp . All rights reserved Unitary 5005 Norman Product York Group Drive 73069