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 WARNING:

The furnace was shipped from the factory equipped 

to operate on natural gas. Conversion to LP/propane 

gas must be performed by a licensed HVAC technician 

using a factory supplied conversion kit. Failure to use 

the proper conversion kit can cause fire, explosion, 

property damage, carbon monoxide poisoning, 

personal injury, or death.

 WARNING:

All gas piping and shutoff valves must be installed in 

compliance with local codes and utility regulations 

by licensed installers. DO NOT attempt to modify, or 

tap into existing gas lines yourself. Fire or explosion 

may result causing property damage, personal injury 

or loss of life. Failure to follow the safety warnings 

exactly could result in serious injury, death or property 

damage.

FILTER

 WARNING:

Never operate the furnace without a filter in place. 

Accumulating dust in the return air can build up on 

internal components, resulting in loss of efficiency, 

equipment damage, and possible fire.

Keep air filters cleaned. Clean or replace filter to maintain 

proper airflow and achieve maximum efficiency. Refer to 

page 11 for Maintenance & Inspection information.

FLOOD DAMAGE

 WARNING:

Do not use this furnace if any part has been under 

water. A flood damaged furnace is extremely 

dangerous. Attempts to use the furnace can result in 

fire or explosion. A qualified service agency should 

be contacted to inspect the furnace and to replace all 

gas controls, control system parts, electrical parts that 

have been wet or the furnace if deemed necessary.

Safety markings are used frequently throughout this manual 

to designate a degree or level of seriousness and should not 

be ignored. 

WARNING

 indicates a potentially hazardous 

situation that if not avoided, could result in personal injury or 

death. 

CAUTION

 indicates a potentially hazardous situation 

that if not avoided, may result in minor or moderate injury or 

property damage.

 WARNING:

The safety information listed below must be followed 

during the installation, service, and operation of this 

furnace. Failure to follow safety recommendations 

could result in possible damage to the equipment, 

serious personal injury, or death.

 WARNING:

This furnace is not approved for installation in mobile 

homes. Installing this furnace in a mobile home could 

cause fire, property damage, and/or personal injury.

GAS SUPPLY & PIPING

WHAT TO DO IF YOU SMELL GAS

•  Do not try to light any appliance.

• Do not touch any electrical switch; do not 

use any phone in your building.

•  Leave the building immediately.

• Immediately call your gas supplier from a 

neighbors phone. Follow the gas suppliers 

instructions.

• If you cannot reach your gas supplier, call 

the fire department.

INSTALLATION AND SERVICE MUST BE 

PERFORMED BY A QUALIFIED INSTALLER, 

SERVICE AGENCY OR THE GAS SUPPLIER.

This furnace does not have a pilot. 

It is equipped with an 

ignition device which automatically lights the burner. 

DO 

NOT

 light the burner by hand.

IMPORTANT NOTE

IF THE GAS SUPPLY FAILS TO SHUT OFF OR IF 

OVERHEATING OCCURS, SHUT OFF THE GAS VALVE 

TO THE FURNACE BEFORE SHUTTING OFF THE 

ELECTRICAL SUPPLY!

IMPORTANT SAFETY INFORMATION

Summary of Contents for J801X D Series

Page 1: ...tallation and service must be performed by a qualified installer service agency or the gas supplier Donotstoreorusegasolineorotherflammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Leave the building immediately Immediately call your gas su...

Page 2: ...RODUCTION 5 CATEGORY I NON CONDENSING FURNACES 5 CATEGORY IV CONDENSING FURNACES 5 FILTER 5 THERMOSTAT 5 FURNACE LOCATION 5 COMPONENT LOCATIONS FOR SINGLE STAGE FURNACES 6 COMPONENT LOCATIONS FOR TWO STAGE FURNACES 7 STARTUP SHUTDOWN 7 STARTING THE FURNACE 7 SHUTTING DOWN THE FURNACE 7 MAINTENANCE INSPECTION 8 FURNACE AIR DUCTS 8 VENTING SYSTEM 8 BLOWER FILTER 8 BURNER OPERATION 8 NEW CONSTRUCTION...

Page 3: ...ve been wet or the furnace if deemed necessary Safety markings are used frequently throughout this manual to designate a degree or level of seriousness and should not be ignored WARNING indicates a potentially hazardous situation that if not avoided could result in personal injury or death CAUTION indicates a potentially hazardous situation that if not avoided may result in minor or moderate injur...

Page 4: ...nd glues Antistatic fabric softeners Masonry acid washing materials CAUTION This furnace requires unrestricted airflow for combustion and ventilation For proper and safe operation it is extremely important that the furnace receives an unobstructed flow of clean fresh air to properlyburnthefuelgas Ifthisflowofairisrestricted the partially burned combustion gases may create dangerous amounts of carb...

Page 5: ...st maintain a downward slope to ensure proper condensate drainage Condensate must flow freely during furnace operation The homeowner must make sure the condensate drain lines do not become blocked pinched or crushed If the furnace is installed in an area where temperatures fall below freezing special precautions must be made for insulatingcondensatedrainlinesthatdraintotheoutdoors If condensate fr...

Page 6: ...al Non Condensing Gas Furnace J801X D Downflow Non Condensing Gas Furnace Furnace Control Board Burner Assembly Finish Flange Flame Sensor Igniter Roll Out Switch Gas Valve Furnace Control Board Condensate Pressure Switch Transformer Blower Assembly Blower Door Switch Inducer Assembly Inducer Pressure Switch Inducer Limit Switch Main Air Limit Switch Burner Assembly Flame Sensor Roll Out Switch Fi...

Page 7: ... or knob to the OFF position See Figure 1 for gas valve switch or knob location 8 Wait 5 minutes If there is any smell of gas see WHAT TO DO IF YOU SMELL GAS on page 4 9 Set the gas valve switch or knob to the ON position 10 Turn on all electric to the furnace 11 Open the manual gas valve 12 Turn the thermostat back up to force ignition 13 Observe operation including burners If burners fail to ign...

Page 8: ...orontheblowerandmotoraspartoftheannualinspection Keepairfilterscleaned Itisrecommendedthatthefurnace airfilterbecheckedatleastonceamonth Cleanorreplace filter to maintain proper airflow and achieve maximum efficiency Furniture and drapery should be arranged so that the supply air registers and return grilles are not obstructed BURNER OPERATION Performthestartupinstructionsonpage7 Theignitershould ...

Page 9: ...gns of physical deterioration of the furnace X X X Verify no obstructions or restrictions in vent or chimney X X Verify no holes or cracks in vent pipe X X Verify no corrosion in vent pipe X X Verify the horizontal vent pipes slope upwards away from furnace X X Verify burner flame X Clean or replace filter s X Clean blower compartment X Clean burner assembly X Clean condensate collection disposal ...

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