Lennox 80G1DF Installation Instructions Manual Download Page 37 | Manualshive

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506528-01

Page 37 of 37

Issue 1035

UNIT OPERATION

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Summary of Contents for 80G1DF

Page 1: ...Allied Air Enterprises Inc A Lennox International Inc Company 215 Metropolitan Drive West Columbia SC 29170 Unit Dimensions 2 A80DF 80G1DF Parts Arrangement 3 A80DF 80G1DF Gas Furnace 4 Shipping and...

Page 2: ...n mm 340 13 3 8 330 13 090 12 135 20 533 21 504 19 7 8 495 19 1 2 622 24 1 2 546 23 3 8 584 23 D in mm 248 9 3 4 203 8 121 4 3 4 070 08 090 16 110 16 110 20 070 12 045 12 045 08 110 12 446 17 1 2 416...

Page 3: ...e 3 of 37 Issue 1035 A80DF 80G1DF Expanded View Figure 1 BLOWER ASSEMBLY CABINET CONTROL BOX INTERNAL FLUE PIPE ASSEMBLY FLUE CHASE HEAT EXCHANGER GAS VALVE ACCESS PANEL BURNER BOX ASSEMBLY COMBUSTION...

Page 4: ...ormed by a licensed professional installer or equivalent service agency or the gas supplier WARNING Certifications These units are CSA International certified to ANSI Z21 47 In the USA installation of...

Page 5: ...m thermostat must control the furnace The use of fixed jumpers that will provide continuous heating is not allowed The return air duct must be provided and sealed to the furnace Return air temperature...

Page 6: ...t pipe or chimney As a result combustion gases enter the living space creating a potentially dangerous situation In the absence of local codes concerning air for combustion and ventilation use the gui...

Page 7: ...ining the furnace the return air must be handled by ducts which are sealed to the furnace casing and which terminate outside the space containing the furnace This is especially important when the furn...

Page 8: ...et and outlet air openings shall each have a free area of at least one square inch per 4 000 Btu 645 mm per 1 17 kW per hour of the total input rating of all equipment in the enclosure Figure 5 EQUIPM...

Page 9: ...er housing Setting Equipment WARNING Do not install the furnace on its front or its back Do not connect the return air ducts to the back of the furnace Doing so will adversely affect the operation of...

Page 10: ...ce may be installed on a combustible wood floor if an optional additive base is installed between the furnace and the combustivle floor WARNING Improper installation of the furnace can result in perso...

Page 11: ...s for correctly sized opening in floor and installation of cabinet 2 When cooling cabinet is in place set and secure the furnace according to the instructions that are provided with the cooling coil S...

Page 12: ...red for the unit to operate properly A filter must be in place any time the unit is operating Duct System Use industry approved standards such as those published by Air Conditioning Contractors of Ame...

Page 13: ...for common venting A chimney with one or more sides exposed to the outside of the structure is considered to be an exterior chimney An exterior masonry chimney that is not tile lined must be lined wit...

Page 14: ...ney Never connect a Category I appliance to a chimney that is servicing a solid fuel appliance If a fireplace chimney flue is used to vent this appliance the fireplace opening must be permanently seal...

Page 15: ...nts between sections of single wall connector piping shall be fastened by screws or other approved means 13 When the vent connector used for Category I appliances must be located in or pass through a...

Page 16: ...onfigureations with zero lateral lengths are assumed to have no elbows in the vent system For all other vent configurations the vent system is assumed to have two 90 elbows For each additional 90 elbo...

Page 17: ...onfigureations with zero lateral lengths are assumed to have no elbows in the vent system For all other vent configurations the vent system is assumed to have two 90 elbows For each additional 90 elbo...

Page 18: ...Capacity Type B Double Wall Vents with Type B Double Wall Connectors Serving Two or More Category I Appliances Common Vent Capacity Type B Double Wall Vents with Type B Double Wall Connectors Serving...

Page 19: ...Two or more Category I Appliances Table 8 NOTE Single appliance venting configureations with zero lateral lengths are assumed to have no elbows in the vent system For all other vent configurations the...

Page 20: ...are located and other spaces of the building Turn on clothes dryers and any appliances not connected to the common venting system Turn on any exhaust fans such as range hoods and bathroom exhausts so...

Page 21: ...The piping must be supported at proper intervals every 8 to 10 feet 2 44 to 3 01 m with suitable hangers or straps Install a drip leg in vertical pipe runs to the unit 5 A 1 8 N P T plugged tap or pr...

Page 22: ...gas lines gas valve must be disconnected and isolated See Figure 19 Gas valves can be damaged if subjected to pressures greater than 1 2 psig 3 48 kPa 14 inches w c IMPORTANT Electrostatic discharge c...

Page 23: ...re 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 25 for integrated c...

Page 24: ...rmostat instructions 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...

Page 25: ...506528 01 Page 25 of 37 Issue 1035 Wiring Diagram Figure 23...

Page 26: ...506528 01 Page 26 of 37 Issue 1035 Typical Field Wiuring Diagram Figure 24 Figure 25 Integrated Control Automatic Hot Surface Ignition System...

Page 27: ...ns exactly a fire or explosion may result causing property damage personal injury or death WARNING 6 Move switch on gas valve to OFF Do not force See Figure 26 7 Wait five minutes to clear out any gas...

Page 28: ...curate reading shut off all other gas appliances connected to meter Supply Pressure Measurement A threaded plug on the inlet side of the gas valve provides access to the supply pressure tap Remove the...

Page 29: ...blower speed to decrease the temperature Decrease the blower speed to increase the temperature rise Failure to adjust the temperature rise may cause erratic limit operation Fan Control The fan on time...

Page 30: ...speed terminal NOTE Termination of any unused motor leads must be insulated 4 Place unused blower speed tap on integrated control PARK terminal or insulate 5 Refer to blower speed selection chart on u...

Page 31: ...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_________...

Page 32: ...ve the combustion air inducer to avoid damaging blower gasket If gasket is damaged it must be replaced to prevent leakage 5 Remove the collector box located behind the combustion air inducer Be carefu...

Page 33: ...x inserts 16 Reinstall collector box and combustion air assembly Reinstall all screws to the collector box and combustion air inducer Failure to replace all screws may cause leaks Inspect gaskets for...

Page 34: ...seal between the return air and the room where the furnace is installed Return air duct Must be properly attached and provide an air seal to the unit Operating performance Unit must be observed during...

Page 35: ...air parts are available through independent Allied Air dealers When ordering parts include the complete furnace model number listed on the CSA International nameplate Example A801DF045JP24A 01 All ser...

Page 36: ...506528 01 Page 36 of 37 Issue 1035 Start Up Performance Check List UNIT SET UP...

Page 37: ...506528 01 Page 37 of 37 Issue 1035 UNIT OPERATION...

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