Allied Air Enterprises A80UH, 80G1UH Accessory Terminals, Generator Use - Voltage Requirements

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Accessory Terminals

Before connecting the thermostat, check to make sure the wires will be long enough for servicing at a later date. Make sure that thermostat wire is long enough to facilitate future removal of blower for service.

Complete the wiring connections to the equipment. Use the provided unit wiring diagram and the field wiring diagram shown in Figure 33. Use 18 gauge wire or larger that is suitable for Class II rating for thermostat connections.

Electrically ground the unit according to local codes or, in the absence of local codes, according to the current National Electric Code (ANSI/NFPA No. 70). A green ground wire is provided in the field make-up box.

NOTE: This furnace contains electronic components that are polarity sensitive. Make sure that the furnace is wired correctly and is properly grounded.

Accessory Terminals

One line voltage “EAC” 1/4" spade terminal is provided on the furnace integrated control. See figure 34 for integrated control configuration. This terminal is energized when the indoor blower is operating. Any accessory rated up to one amp can be connected to this terminal with the neutral leg of the circuit being connected to one of the provided neutral terminals. If an accessory rated at greater than one amp is connected to this terminal, it is necessary to use an external relay.

One line voltage “HUM” 1/4" spade terminal is provided on the furnace integrated control. See Figure 34 for integrated control configuration. This terminal is energized in the heating mode when the combustion air inducer is operating. Any humidifier rated up to one amp can be connected to this terminal with the neutral leg of the circuit being connected to one of the provided neutral terminals. If a humidifier rated at greater than one amp is connected to this terminal, it is necessary to use an external relay relay.

Generator Use - Voltage Requirements

The following requirements must be kept in mind when specifying a generator for use with this equipment:

•The furnace requires 120 volts ± 10% (Range: 108 volts to 132 volts).

•The furnace operates at 60 Hz ± 5% (Range: 57 Hz to 63 Hz).

•The furnace integrated control requires both polarity and proper ground. Both polarity and proper grounding should be checked before attempting to operate the furnace on either permanent or temporary power.

•Generator should have a wave form distortion of less than 5% RHO.

Thermostat

Install the room thermostat according to the instructions provided with the thermostat. See Figure 31 for thermostat designations. If the furnace is being matched with a heat pump, refer to the FM21 installation instruction or appropriate dual fuel thermostat instructions.

Condensing Unit Thermostat Designations

(Refer to Specific Thermostat and Outdoor Unit.)

*Note: “R” Required on some outdoor units.

Figure 31

Indoor Blower Speeds

1.When the thermostat is set to “FAN ON,” the indoor blower will run continuously on the heating speed when there is no cooling or heating demand.

2.When the unit is running in the heating mode, the indoor blower will run on the heating speed.

3.When there is a cooling demand, the indoor blower will run on the cooling speed.

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Issue 1031

506526-01

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Contents A80UH & 80G1UH TABLE OF CONTENTSINSTALLATION INSTRUCTIONS Warm Air Gas FurnaceSIDE VIEW A80UH & 80G1UH Unit Dimensions - inches mmFRONT VIEW A80UH & 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 SPACE Upflow Applications Setting EquipmentUpflow Application Installation Clearances 3.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 Requirements Issue 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 Control Placing 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
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