background image

03/09

*2P0309*

504,898M

*P504898M*

G43UF

SERIES

Litho U.S.A.

504,898M
03/2009

Supersedes 02/2004

E

 2004 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 ap-
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.

D

Leave the building immediately.

GAS FURNACE

FIRE OR EXPLOSION HAZARD.

Failure to follow safety warnings exact-
ly could result in serious injury, death,
or property damage.

WARNING

Summary of Contents for G43UF SERIES

Page 1: ...formed 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 D Leave the building immediately GAS FURNACE FIRE OR EXPL...

Page 2: ...this is not possible the water supply to the house should be shut off and the pipes should be drained This will prevent problems associ ated with a NO HEAT condition frozen pipes etc CAUTION Before attempting to perform any service or mainte nance turn the electrical power to unit OFF at the disconnect switch WARNING Product contains fiberglass wool Disturbing the insulation in this product during...

Page 3: ...cts into the combustion air These products can cause furnace corrosion 5 DO NOT draw return air from a room where this fur nace or any other gas appliance ie a water heat er is installed When return air is drawn from a room a negative pressure is created in the room If a gas ap pliance is operating in a room with negative pressure the flue products can be pulled back down the vent pipe and into th...

Page 4: ...pped with an ignition device which automatically lights the burners Do not try to light the burners by hand 5 Remove the upper access panel 6 White Rodgers 36G Gas Valve Move gas valve switch to OFF See figure 2 for the White Rodgers 36G valve Honeywell VR8205 Gas Valve Move switch on gas valve to OFF See figure 3 for Honeywell VR8205 valve 7 Wait five minutes to clear out any gas If you then smel...

Page 5: ...nnually before heating season inspect furnace venting system vent cap heat exchanger and burners for corro sion deterioration or deposits of debris Remove any ob 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...

Page 6: ...If you suffer from flu like symp toms that are exaggerated at home but seem to sub 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 sh...

Page 7: ...or the gas supplier Cabinet Parts Upper access panel Blower access panel Top Cap Control Panel Parts Transformer Integrated control Door interlock switch 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 sw...

Reviews: