ContentsWarm Air Gas Furnace
TABLE OF CONTENTSINSTALLATION INSTRUCTIONS
A80UH & 80G1UHSIDE VIEW
A80UH & 80G1UH Unit Dimensions - inches mmFRONT VIEW506526-01
A80UH & 80G1UHA80UH & 80G1UH Gas Furnace
Safety InformationInstalled Locations
DANGERUse of Furnace as a Construction Heater
Installed in Combination with a Cooling CoilHeating Unit Installed Upstream of Cooling Unit
Temperature Rise215 Metropolitan Drive West Columbia, SC
GeneralProduct Contains Fiberglass Wool
Allied Air Enterprises, IncFigure Air from Inside
Unconfined SpaceConfined Space
Equipment in Confined Space - All Air From InsideEQUIPMENT IN CONFINED SPACEUpflow Applications
Setting EquipmentUpflow Application Installation Clearances5.Bottom and one side return air
Return Air - Upflow Applications1800 cfm 850 L/s must have one of the following
3.Bottom return air 4.Return air from both sidesHorizontal Applications
Horizontal Application Installatioin clearancesRemoving the Bottom Panel
Removing the Bottom Panel FigureSupply Air Plenum
Horizontal Application Unit installed on PlatformFilters
Table Duct SystemFigure UPFLOW POSITION
VentingMounting Screws Location Figure UPFLOW POSITION
UPFLOW POSITIONHORIZONTAL RIGHT POSITION
Horizontal PositionHORIZONTAL LEFT POSITION
Figure HORIZONTAL LEFT POSITIONIssue
Venting Using a Masonry ChimneyCommon Venting Using Metal Lined Masonry Chimney
Vent Connection FigureGeneral Venting RequirementsPage 17 of
Issue506526-01
Serving a Single Category I ApplianceIssue
Page 18 of506526-01
Serving a Single Category I ApplianceIssue
Page 19 ofServing Two or More Category I Appliances
Vent Connector CapacityServing Two or More Category I Appliances
Common Vent CapacityServing Two or More Category I Appliances
Table Common Vent CapacityServing Two or more Category I Appliances Table
Vent Connector CapacityPage 22 of
Removal of the Furnace from Common VentCARBON MONOXIDE POISONING HAZARD
IssueIssue
Gas PipingGas Supply
Gas Pipe Capacity - ft³/hr m³/hrPage 24 of
Possible Gas Piping ConfigurationsFigure Horizontal Applications
IssueINTERIOR MAKE-UPBOX INSTALLATION Figure
INTERIOR MAKE-UPBOX INSTALLATION FigureLeak Check
Figure Electrical ELECTROSTATIC DISCHARGE ESDCondensing Unit Thermostat Designations
Accessory TerminalsGenerator Use - Voltage Requirements
Thermostat506526-01
Wiring Diagram FigureIssue
Page 27 ofAutomatic Hot Surface Ignition System
Typical Field Wiring Diagram FigureIntegrated ControlGas Valve Operation Figure
FOR YOUR SAFETY READ BEFORE LIGHTING UNITUnit Start-UP
Placing the Furnace into OperationManifold Pressure Measurement
Gas Pressure Adjustment Gas Flow ApproximateHeating Sequence Of Operation Figure
Supply Pressure MeasurementPressure Switch
Manifold Pressure Settings and Pressure SwitchOther Unit Adjustments
Flame Rollout SwitchesElectronic Ignition
Thermostat Heat AnticipationElectrical
Blower SpeedsFlue And Chimney
ServiceELECTRICAL SHOCK, FIRE OR EXPLOSION HAZARD
Blower506526-01
Cleaning the Heat Exchanger and BurnersIssue
Page 34 ofNOx INSERTS Figure
Remove 5 Screws If NecessaryPage 36 of
PLANNED SERVICEFAILURE CODES
IssueControl Panel
REPAIR PARTS LISTCabinet Parts
Heating Parts506526-01
START-UP& PERFORMANCE CHECK LIST UNIT SET UPIssue
Page 38 of506526-01
IssueUNIT OPERATION
Page 39 of