ContentsA80UH & 80G1UH
TABLE OF CONTENTSINSTALLATION INSTRUCTIONS
Warm Air Gas FurnaceSIDE VIEW
A80UH & 80G1UH Unit Dimensions - inches mmFRONT VIEWA80UH & 80G1UH
506526-01DANGER
Safety InformationInstalled Locations
A80UH & 80G1UH Gas FurnaceTemperature Rise
Installed in Combination with a Cooling CoilHeating Unit Installed Upstream of Cooling Unit
Use of Furnace as a Construction HeaterAllied Air Enterprises, Inc
GeneralProduct Contains Fiberglass Wool
215 Metropolitan Drive West Columbia, SCEquipment in Confined Space - All Air From Inside
Unconfined SpaceConfined Space
Figure Air from InsideEQUIPMENT IN CONFINED SPACEUpflow Applications
Setting EquipmentUpflow Application Installation Clearances3.Bottom return air 4.Return air from both sides
Return Air - Upflow Applications1800 cfm 850 L/s must have one of the following
5.Bottom and one side return airRemoving the Bottom Panel Figure
Horizontal Application Installatioin clearancesRemoving the Bottom Panel
Horizontal ApplicationsTable Duct System
Horizontal Application Unit installed on PlatformFilters
Supply Air PlenumUPFLOW POSITION
VentingMounting Screws Location Figure UPFLOW POSITION
Figure UPFLOW POSITIONFigure HORIZONTAL LEFT POSITION
Horizontal PositionHORIZONTAL LEFT POSITION
HORIZONTAL RIGHT POSITIONVent Connection Figure
Venting Using a Masonry ChimneyCommon Venting Using Metal Lined Masonry Chimney
IssueGeneral Venting RequirementsIssue
Page 17 ofPage 18 of
Serving a Single Category I ApplianceIssue
506526-01Page 19 of
Serving a Single Category I ApplianceIssue
506526-01Common Vent Capacity
Vent Connector CapacityServing Two or More Category I Appliances
Serving Two or More Category I AppliancesVent Connector Capacity
Table Common Vent CapacityServing Two or more Category I Appliances Table
Serving Two or More Category I AppliancesIssue
Removal of the Furnace from Common VentCARBON MONOXIDE POISONING HAZARD
Page 22 ofGas Pipe Capacity - ft³/hr m³/hr
Gas PipingGas Supply
IssueIssue
Possible Gas Piping ConfigurationsFigure Horizontal Applications
Page 24 ofFigure Electrical ELECTROSTATIC DISCHARGE ESD
INTERIOR MAKE-UPBOX INSTALLATION FigureLeak Check
INTERIOR MAKE-UPBOX INSTALLATION FigureThermostat
Accessory TerminalsGenerator Use - Voltage Requirements
Condensing Unit Thermostat DesignationsPage 27 of
Wiring Diagram FigureIssue
506526-01Automatic Hot Surface Ignition System
Typical Field Wiring Diagram FigureIntegrated ControlPlacing the Furnace into Operation
FOR YOUR SAFETY READ BEFORE LIGHTING UNITUnit Start-UP
Gas Valve Operation FigureSupply Pressure Measurement
Gas Pressure Adjustment Gas Flow ApproximateHeating Sequence Of Operation Figure
Manifold Pressure MeasurementFlame Rollout Switches
Manifold Pressure Settings and Pressure SwitchOther Unit Adjustments
Pressure SwitchBlower Speeds
Thermostat Heat AnticipationElectrical
Electronic IgnitionBlower
ServiceELECTRICAL SHOCK, FIRE OR EXPLOSION HAZARD
Flue And ChimneyPage 34 of
Cleaning the Heat Exchanger and BurnersIssue
506526-01Remove 5 Screws If Necessary
NOx INSERTS FigureIssue
PLANNED SERVICEFAILURE CODES
Page 36 ofHeating Parts
REPAIR PARTS LISTCabinet Parts
Control PanelPage 38 of
START-UP& PERFORMANCE CHECK LIST UNIT SET UPIssue
506526-01Page 39 of
IssueUNIT OPERATION
506526-01