Allied Air Enterprises 80G1UH, A80UH Service, Electrical Shock, Fire Or Explosion Hazard, Blower

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Service

Service

WARNING

ELECTRICAL SHOCK, FIRE,

OR EXPLOSION HAZARD.

Failure to follow safety warnings exactly could result in dangerous operation, serious injury, death or property damage.

Improper servicing could result in dangerous operation, serious injury, death, or property damage. Before servicing, disconnect all electrical power to furnace.

When servicing controls, label all wires prior to disconnecting. Take care to reconnect wires correctly. Verify proper operation after servicing.

At the beginning of each heating season, a qualified technician should check the system as follows:

Blower

Check the blower wheel for debris and clean if necessary. The blower motors are prelubricated for extended bearing life. No further lubrication is needed.

WARNING

The blower access panel must be securely in place when the blower and burners are operating. Gas fumes, which could contain carbon monoxide, can be drawn into living space resulting in personal injury or death.

Filters

Filters are installed external to the unit. Filters should be inspected monthly. Clean or replace the filters when necessary to ensure that the furnace operates properly. Replacement filters must be rated for high velocity airflow. Table 1 lists recommended filter sizes.

Flue And Chimney

1.Check flue pipe, chimney and all connections for tightness and to make sure there is no blockage.

2.Check unit for proper draft.

Electrical

1.Check all wiring for loose connections.

2.Check for the correct voltage at the furnace (furnace operating). Correct voltage is 120VAC ± 10%.

3.Check amp draw on the blower motor with inner blower panel in place.

Unit Nameplate___________Actual_______________

506526-01

Issue 1031

Page 33 of 39

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Contents INSTALLATION INSTRUCTIONS TABLE OF CONTENTSA80UH & 80G1UH Warm Air Gas FurnaceA80UH & 80G1UH Unit Dimensions - inches mm FRONT VIEWSIDE VIEW 506526-01 A80UH & 80G1UHInstalled Locations Safety InformationDANGER A80UH & 80G1UH Gas FurnaceHeating Unit Installed Upstream of Cooling Unit Installed in Combination with a Cooling CoilTemperature Rise Use of Furnace as a Construction HeaterProduct Contains Fiberglass Wool GeneralAllied Air Enterprises, Inc 215 Metropolitan Drive West Columbia, SCConfined Space Unconfined SpaceEquipment in Confined Space - All Air From Inside Figure Air from InsideEQUIPMENT IN CONFINED SPACE Setting Equipment Upflow Application Installation ClearancesUpflow Applications 1800 cfm 850 L/s must have one of the following Return Air - Upflow Applications3.Bottom return air 4.Return air from both sides 5.Bottom and one side return airRemoving the Bottom Panel Horizontal Application Installatioin clearancesRemoving the Bottom Panel Figure Horizontal ApplicationsFilters Horizontal Application Unit installed on PlatformTable Duct System Supply Air PlenumMounting Screws Location Figure UPFLOW POSITION VentingUPFLOW POSITION Figure UPFLOW POSITIONHORIZONTAL LEFT POSITION Horizontal PositionFigure HORIZONTAL LEFT POSITION HORIZONTAL RIGHT POSITIONCommon Venting Using Metal Lined Masonry Chimney Venting Using a Masonry ChimneyVent Connection Figure IssueGeneral Venting Requirements Page 17 of IssueIssue Serving a Single Category I AppliancePage 18 of 506526-01Issue Serving a Single Category I AppliancePage 19 of 506526-01Serving Two or More Category I Appliances Vent Connector CapacityCommon Vent Capacity Serving Two or More Category I AppliancesServing Two or more Category I Appliances Table Table Common Vent CapacityVent Connector Capacity Serving Two or More Category I AppliancesCARBON MONOXIDE POISONING HAZARD Removal of the Furnace from Common VentIssue Page 22 ofGas Supply Gas PipingGas Pipe Capacity - ft³/hr m³/hr IssueFigure Horizontal Applications Possible Gas Piping ConfigurationsIssue Page 24 ofLeak Check INTERIOR MAKE-UPBOX INSTALLATION FigureFigure Electrical ELECTROSTATIC DISCHARGE ESD INTERIOR MAKE-UPBOX INSTALLATION FigureGenerator Use - Voltage Requirements Accessory TerminalsThermostat Condensing Unit Thermostat DesignationsIssue Wiring Diagram FigurePage 27 of 506526-01Typical Field Wiring Diagram Figure Integrated ControlAutomatic Hot Surface Ignition System Unit Start-UP FOR YOUR SAFETY READ BEFORE LIGHTING UNITPlacing the Furnace into Operation Gas Valve Operation FigureHeating Sequence Of Operation Figure Gas Pressure Adjustment Gas Flow ApproximateSupply Pressure Measurement Manifold Pressure MeasurementOther Unit Adjustments Manifold Pressure Settings and Pressure SwitchFlame Rollout Switches Pressure SwitchElectrical Thermostat Heat AnticipationBlower Speeds Electronic IgnitionELECTRICAL SHOCK, FIRE OR EXPLOSION HAZARD ServiceBlower Flue And ChimneyIssue Cleaning the Heat Exchanger and BurnersPage 34 of 506526-01NOx INSERTS Figure Remove 5 Screws If NecessaryFAILURE CODES PLANNED SERVICEIssue Page 36 ofCabinet Parts REPAIR PARTS LISTHeating Parts Control PanelIssue START-UP& PERFORMANCE CHECK LIST UNIT SET UPPage 38 of 506526-01UNIT OPERATION IssuePage 39 of 506526-01