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Filter Maintenance - Whirlpool furnace User Instructions

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Your gas furnace is designed to give many years of efficient,
satisfactory service. There are routine maintenance steps you
should take to keep your furnace operating efficiently. This
maintenance will assure longer life, lower operating costs, and
fewer service calls.
In addition to the maintenance procedures listed in this manual,
there are also other service and maintenance procedures that
require the skills of a qualified person.
The flue gas passageways should be cleaned.
The gas burners should be cleaned.
The condensate flow should be checked.
The furnace ventilation system should be inspected and
serviced.
Lubrication of the bearings in the circulating air blower motor
and the combustion blower motor is not required.
Condensate Collection and Disposal System
Maintenance
If the furnace has a condensate drain, it is incorporated within the
furnace and is self-priming.
Check the condensate flow by shining a flashlight on the
condensate drain. Look for water dripping from the discharge
tube.
If the condensate drain line becomes blocked or plugged, the
furnace will not operate properly. If this occurs, the furnace
should be inspected by a qualified person.
Burner Flame
IMPORTANT: Do not attempt to adjust the burner flame.
While the furnace is in operation, observe the main burner
flames. Compare these observations to "Typical Flame
Appearance" to determine whether proper flame adjustment is
present. If your observations indicate improper flame adjustment,
call a qualified person.
Your furnace may use either a disposable filter or a cleanable
filter.
IMPORTANT:
Do not operate your furnace without a filter. A filter is required
to protect the coil, blower, and internal parts from excessive
dirt and dust.
The air filter should be inspected at least every 6 weeks and
cleaned or replaced as required.
NOTE: Dirty filters are the most common cause of inadequate
heating or cooling performance and can sharply increase the
operating costs of your unit.
When changing any furnace filter, it is important to measure
the filter being replaced and to replace it with the same size
and type of filter.
Install new/clean filters with the arrows on the side edges of
the filter pointing in the direction of airflow.
6
Distorted flame or yellow tipping on Natural gas flames, or long,
yellow tips on propane flames, may be caused by lint or dirt
accumulation, or obstructions over the main burner orifice. Dirt or
lint can get inside the burner or burner ports, and into the air inlet
between the burner and manifold pipe.
Typical Flame Appearance
A
B
A. Burner
B. Gas manifold
Vent Maintenance
IMPORTANT:
It is recommended that the furnace be inspected and
serviced at least once a year by a qualified person.
Should the vent system become blocked at any time, your
furnace is equipped with a special safety control to prevent
operation of the furnace until the condition has been
corrected. If vent system is blocked, contact a qualified
person.
Keep the outside area where the vent terminates clear from
any obstructions which might block or impede the venting of
the furnace.

Filter Maintenance

Replacing/Cleaning Filters
Disposable Filter(s)
If a disposable filter is used, replace with the same filter type
and size.
Cleanable Filter(s)
Cleanable filters may be replaced with disposable filters. See
the Minimum Filter Requirements Charts when selecting the
proper size and quantity of disposable filters.
To clean the filter, follow the filter manufacturer's instructions.
C. Heat exchanger
D. Burner flame (blue only)
C
D

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