UIM-B-1105 | York DFAH, DFAA specs

107272-UIM-B-1105

FIGURE 38: Wiring Diagram for DFAH - Oil Furnace

28	Unitary Products Group

Image 28

York DFAH, DFAA installation manual UIM-B-1105, Wiring Diagram for Dfah Oil Furnace Unitary Products Group

Contents

Section I Safety For InstallationList of Sections List of Figures Safety Requirements Specific Safety Rules and PrecautionsFollowing requirements to be met Combustion AIR Quality List of Contaminants Inspection Check Certifications / Approvals Furnace Location and ClearancesTOP Front Back Sides AIR Inlet Roof Jack DUCT1 Piping FLOOR/BOTTOM Section II Ductwork Duct system’s design and installation mustDuctwork General Information Duckwork Installation Air Distribution SystemsDuct Design Canada Clearance Requirements Canada Air Distribution Systems Duct Connectors Installation of Screw Attachment Duct Connector Installation of TAB Attachment Duct Connectors Furnace and Air Conditioner InstallationsInstallation of the Furnace MBH CFM Section III Filters Blend AIR InstallationsReturn AIR Requirements Section IV OIL Piping OIL SafetyConnect Fuel Lines Installation and Checking of OIL Piping Effect of Elevation on OIL Burner FiringExample AFG Section V Electrical Power Solenoid WiringElectrical Power Connections ONE Pipe System LOW Voltage Control Wiring Connections Vent and Combustion AIR SafetyEighteen gauge thermostat wire is highly recommended Section VI VENT/COMBUSTION AIR System Existing Furnace Replacement NEW Home InstallationInstallation in Snow Regions Exterior Roof Jack Extension Installing Roof Jack in Roof Connect Roof Jack to FurnaceLocating and Cutting Roof Jack Opening Interior Extensions Complete Installation, as required Roof Jack Adjustable Height withSecure Roof Jack to Roof Interior Extension Dfaa Models Dfah Models UIM-B-1105 Vent System Installing Ceiling RingVent Clearances Home Layout Canadian Installations1 US Installation2 Section VII Safety Controls Specifications Section Viii START-UP AdjustmentsSTART-UP and Adjust Burner Adjustment of OIL Pump Pressure Adjustment of Temperature RiseIgnition System Sequence SET Combustion with Instruments Final Procedure Install Furnace DoorsApplying Filter Pressure Drop to Determine System Airflow Item Number Description Dfaa ModelDfah Model Section IX Wiring Diagram OIL-FIRED Furnace Wiring Diagram for Dfaa Oil-Fired Furnace Wiring Diagram for Dfah Oil Furnace Unitary Products Group UIM-B-1105 Installation of Burner and Controls Section X GAS GUN BurnerPreparation of Combustion Chamber GAS Piping Testing Piping for Leaks GAS Piping InstallationLocate GAS LEAKS, USE a Soap Solution Length of Pipe Nominal Diameter of Pipe in Inches mm GAS Orifice Conversion for Propane LP High Altitude GAS Orifice Conversion Sizing Furnace Input Natural GASPropane GAS Gas Firing Rate Orifice Air Shutter Purging Section XI START-UP AdjustmentsCalculating the Furnace Input Natural GAS USA use the following formula to calculate the furnace input Adjustment of Manifold GAS Pressure Initial Start UPChecking the GAS Pressures Inlet GAS Pressure Range If Furnace Fails to Operate Properly Observing Burner OperationPerformance Check Electrode Orientation and Gap Section XII Wiring Diagram GAS Conversion Burner Wiring Diagram for Dfah Gas Gun Unitary 5005 Norman Product York Group Drive 73069 Copyright by York International Corp . All rights reserved