Use an air filter in the front door to maintain a
clean heat exchanger.
/ WARNING:
WARNING:
Failure to prevent products of com-
bustion from being circulated into the
living space can create potentially
hazardous conditions including car-
bon monoxide poisoning that could
result in personal injury or death.
4. Vent System
The furnace must always be connected to an
approved vent pipe to carry the furnace com-
bustion products outdoors. At the beginning and
end of each heating season, inspect the outdoor
vent terminal closely with a flashlight to deter-
mine if any of the conditions listed under the
following warning exist. The outdoor vent term-
inal should be checked and cleared of snow
during operational periods. The furnace will not
operate properly if the vent is blocked by snow.
5. Maintenance
Proper maintenance is most important to achieve
the best performance from this furnace and
should be performed by a qualified service tech-
nician. Follow the maintenance schedule (see
Table 1) and the following instructions for years
of safe, trouble free operation.
• Do not place combustible materials on
or against the furnace cabinet.
• Do not store gasoline or any other flam-
mable vapors and liquids in the vicinity
of the furnace,
• Annually inspect the furnace, ductwork,
and vent system for signs of physical
deterioration,
• Change or replace the air filters monthly
during any period when the circulating
blower is operating regularly.
• Always replace the doors on the furnace
after servicing or cleaning/changing the
filters. Do not operate the furnace with-
out all doors and covers in place, except
to check burner operation,
• Avoid operating the furnace when win-
dows and doors are open.
• Be sure that the thermostat is properly
installed and is not being affected by
drafts or heat from lamps or other appli-
ances.
Never operate the furnace without a
filter in place. Dust and lint in the re-
turn air can build up on the internal
components, resulting in a loss of ef-
ficiency, equipment damage, and pos-
sible fire.
Air Filter m An air filter is supplied with the
furnace as shipped from the factory. The filter
must be removed and cleaned monthly during
the heating season to ensure proper furnace
operation. The filter is easily cleaned with soap
water or with vacuum cleaner. New or newly
renovated homes may require more frequent
changing until the construction dust has been
removed.
Always replace the filter with a filter of the same
size and type as the filter being removed.
Always replace the door(s) on the furnace after
servicing or cleaning/changing the filters. Do not
operate the furnace without the door(s) in place.
To clean or replace the filters, proceed as
follows: (See Figure 2).
1) Turn furnace electrical supply to OFF.
2) Remove furnace main door.
3) Release filter retainer wire.
4) Pull out filter.
5) Vacuum or wash filter with soap water
and allow to dry.
6) Place filter and retainer wire in door.
Filter
Retainer
Wire
Front Door :: _i":
(Rear V!ew)
Figure 2. Filter Installation
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