Filter
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a. Remove filter cabinet door (See Fig. 25 and 26.)
NOTE: It will be necessary to remove 1 thumbscrew
3. Remove air filter from furnace.
• AIR FILTER LOCATED IN BLOWER COMPARTMENT
BOTTOM:
a. Slide filter retainer sideways until it is free of latch. (See
Fig. 27.)
b. Slide air filter out of furnace. (See Fig. 28.)
• AIR FILTER(S) LOACTED IN BLOWER COMPART-
MENT SIDE:
a. Remove filter retainer from latch. (See Fig. 29.)
b. Gently remove air filter and carefully turn the dirty side up
(if dirty) to avoid spilling dirt from the filter. (See Fig. 30.)
• AIR FILTER LOCATED IN FILTER CABINET:
a. Slide air filter out of furnace. Keep dirty side up (if dirty)
to avoid spilling dirt. (See Fig. 31 and 32.)
4. Inspect the filter. If torn, replace it.
NOTE: If washable filter that was shipped with the furnace has
been replaced by:
a) Factory specified disposable media filter–Do not clean. If
dirty, replace only with media filter having the same part
number and size. Install with airflow direction arrow point-
ing towards blower.
23 24
25
27 28
29 30
b) Electronic air cleaner (EAC) – Refer to EAC Owner’s
Manual for maintenance information.
5. If washable filter, wash filter (if dirty) in sink, bathtub, or out-
side with a garden hose. Always use cold tap water. A mild
liquid detergent may be used if necessary. Spray water
through filter in the opposite direction of airflow. Allow filter
to dry.
6. Reinstall clean air filter
7. Reinstall filter retainer (for blower compartment locations
only)
8. Replace blower access panel and main furnace door (See
Fig. 33 and 34.) or filter cabinet door (Fig. 35 and 36.)
9. Turn on electrical supply to furnace.
If your furnace air filter needs to be replaced, be sure to use a
factory-authorized filter of the same size that was orginally sup-
plied. Use the filter tables and compare your furnace size with the
proper filter size.
31 32
33 34
26