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08/03

*2P0803*

504,666M

*P504666M*

G51MP

SERIES

Litho U.S.A.

504,666M
08/03

E

 2003 Lennox Industries Inc.

Dallas, Texas, USA

WHAT TO DO IF YOU SMELL GAS:

Do not store or use gasoline or other

flammable vapors and liquids in the

vicinity  of  this  or  any  other  apĆ

pliance.
Installation  and  service  must  be

performed  by  a  qualified  installer,

service agency or the gas supplier.

D

Do not try to light any appliance.

D

Do not touch any electrical switch; do not

use any phone in your building.

D

Immediately call your gas supplier from a

neighbor's phone. Follow the gas supplier's

instructions.

D

If you cannot reach your gas supplier, call

the fire department.

FIRE OR EXPLOSION HAZARD.

Failure to follow safety warnings exactĆ

ly could result in serious injury, death,

or property damage.

WARNING

D

Leave the building immediately.

GAS FURNACE

Summary of Contents for 2P0803

Page 1: ... qualified installer service agency or the gas supplier D Do not try to light any appliance D Do not touch any electrical switch do not use any phone in your building D Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions D If you cannot reach your gas supplier call the fire department FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactĆ ly...

Page 2: ... respiratory skin and eye irritation To reduce exposure to this substance or for further information consult material safety data sheets available from address shown below or contact your supervisor Lennox Industries Inc P O Box 799900 Dallas TX 75379 9900 NOTE This manual must be left with the equipment user WARNING Do not set thermostat below 60 F 16 C in heating mode Setting thermostat below 60...

Page 3: ...stion and the formation of carbon monoxide gas This toxic gas might then be distributed throughout the house by the furnace duct system WARNING The blower door must be securely in place when the blower and burners are operating Gas fumes which could contain carbon monoxide can be drawn into the living space resulting in personal injury or death Your furnace is a gas appliance It is critical that t...

Page 4: ... gas supplier s instrucĆ tions If you do not smell gas go to next step 8 White Rodgers 36G Gas Valve Switch gas valve lever to ON See figure 3 for the White Rodgers 36G valve Honeywell VR8205 Gas Valve Turn knob on gas valve counterclockwise to ON Do not force FIGURE 3 White Rodgers 36G Series Gas Valve GAS VALVE SHOWN IN OFF POSITION MANIFOLD PRESSURE ADJUSTMENT SCREW OUTLET PRESSURE POST INLET P...

Page 5: ... deterioration or deposits of debris Remove any obĆ structions Inspect the furnace for obvious signs of deterioration Inspect the furnace venting system to make sure it is in place physically sound and without holes corrosion or blockage Vent pipe must be clear and free of obstructions and must slope upward away from the furnace Inspect the furnace return air duct connection to ensure duct is seal...

Page 6: ... flu like sympĆ toms that are exaggerated at home but seem to subĆ side while you are away from the house exposure to carbon monoxide could be the cause Your vigilance may pay off in early detection of a problem before either personal injury or property damage occurs Do not hesitate to contact a qualified service technician as an investment in your well being Planned Service You should expect a se...

Page 7: ...op Cap Control Panel Parts Transformer SureLight integrated control board Door interlock switch Circuit Breaker Blower Parts Blower wheel Motor Motor mounting frame Motor capacitor Blower housing cutoff plate Heating Parts Flame Sensor Heat exchanger assembly Gas manifold Combustion air inducer Gas valve Main burner cluster Main burner orifices Pressure switches Ignitor Primary limit control Secon...

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