York Complete Guide to DF-AH and DFAH Burner Replacement Parts

Page 26

107272-UIM-B-1105

TABLE 15: Replacement Parts - Non Electrical

 

DFAA MODEL

 

 

ITEM NUMBER

DESCRIPTION

 

 

1

Limit Switch, Manual (Upper)

 

 

2

Thermostat (Heat/Cool)

 

 

3

Exchanger, Heat (w/Gaskets)

 

 

4

Switch, Rocker (System)

 

 

5

Transformer (115 - 24V, 40 VA)

 

 

6

Filter (16 x 20 x 1) (2Required)

 

 

7

Panel, Door (Upper)

 

 

8

Panel, Door (Lower, Tall)

 

 

9

Motor

 

 

10

Plug, Connector

 

 

11

Capacitor, Run

 

 

12

Wheel, Blower

 

 

13

Blower, AC Relay

 

 

14

Switch, Fan

 

 

15

Combustion Chamber Assembly

 

 

16

Oil Burner Assembly

 

 

17

Switch, Limit (Open 140 - Close 110)

 

 

18

Fastener, Door Latch (2 Required)

 

 

19

Diagram, Wiring

 

 

 

DFAH MODEL

 

 

ITEM NUMBER

DESCRIPTION

 

 

1

Limit Switch, Manual (Upper)

 

 

2

Thermostat (Heat Only)

 

 

3

Exchanger, Heat (w/Gaskets)

 

 

4

Switch, System

 

 

5

Transformer (115 - 24V, 40 VA)

 

 

6

Filter (16 x 20 x 1) (2 Required)

 

 

7

Panel, Door (Upper)

 

 

8

Panel, Door (Lower, Short)

 

 

9

Motor

 

 

10

Plug, Connector

 

 

11

Capacitor, Run

 

 

12

Wheel, Blower

 

 

13

Blower, AC Relay

 

 

14

Switch, Fan

 

 

15

Combustion Chamber Assembly

 

 

16

Oil Burner Assembly

 

 

17

Switch, Limit (Open 140 - Close 110)

 

 

18

Fastener, Door Latch (2 Required)

 

 

19

Diagram, Wiring

 

 

26

Unitary Products Group

Image 26
Contents List of Sections Section I SafetyFor Installation List of FiguresFollowing requirements to be met Specific Safety Rules and PrecautionsSafety Requirements Combustion AIR Quality List of Contaminants InspectionTOP Front Back Sides AIR Inlet Roof Jack DUCT1 Check Certifications / ApprovalsFurnace Location and Clearances Piping FLOOR/BOTTOMDuctwork General Information Duct system’s design and installation mustSection II Ductwork Duct Design Canada Duckwork InstallationAir Distribution Systems Clearance Requirements CanadaAir Distribution Systems Duct Connectors Installation of Screw Attachment Duct ConnectorInstallation of the Furnace Installation of TAB Attachment Duct ConnectorsFurnace and Air Conditioner Installations MBH CFMReturn AIR Requirements Blend AIR InstallationsSection III Filters Connect Fuel Lines OIL SafetySection IV OIL Piping Example Installation and Checking of OIL PipingEffect of Elevation on OIL Burner Firing AFGElectrical Power Connections Section V Electrical PowerSolenoid Wiring ONE Pipe SystemEighteen gauge thermostat wire is highly recommended LOW Voltage Control Wiring ConnectionsVent and Combustion AIR Safety Section VI VENT/COMBUSTION AIR SystemInstallation in Snow Regions Existing Furnace ReplacementNEW Home Installation Exterior Roof Jack ExtensionLocating and Cutting Roof Jack Opening Installing Roof Jack in RoofConnect Roof Jack to Furnace Interior ExtensionsSecure Roof Jack to Roof Complete Installation, as requiredRoof Jack Adjustable Height with Interior ExtensionDfaa Models Dfah Models UIM-B-1105 Vent Clearances Installing Ceiling RingVent System Home Layout Canadian Installations1 US Installation2 Section VII Safety Controls START-UP and Adjust Burner Section Viii START-UP AdjustmentsSpecifications Ignition System Sequence Adjustment of OIL Pump PressureAdjustment of Temperature Rise SET Combustion with InstrumentsApplying Filter Pressure Drop to Final ProcedureInstall Furnace Doors Determine System AirflowDfah Model Dfaa ModelItem Number Description Section IX Wiring Diagram OIL-FIRED Furnace Wiring Diagram for Dfaa Oil-Fired FurnaceWiring Diagram for Dfah Oil Furnace Unitary Products Group UIM-B-1105Preparation of Combustion Chamber Installation of Burner and ControlsSection X GAS GUN Burner GAS PipingLocate GAS LEAKS, USE a Soap Solution Testing Piping for LeaksGAS Piping Installation Length of Pipe Nominal Diameter of Pipe in Inches mmGAS Orifice Conversion for Propane LP High Altitude GAS Orifice ConversionPropane GAS Sizing Furnace InputNatural GAS Gas Firing Rate Orifice Air ShutterCalculating the Furnace Input Natural GAS Section XI START-UP AdjustmentsPurging USA use the following formula to calculate the furnace input Checking the GAS Pressures Adjustment of Manifold GAS PressureInitial Start UP Inlet GAS Pressure RangePerformance Check Observing Burner OperationIf Furnace Fails to Operate Properly 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