Bryant Plus 90i - Page 8

UPFLOW FURNACE FILTER TABLE
21 22
A88587 A86056
4. Gently remove the filter and carefully turn the dirty side
up (if dirty) to avoid “spilling” dirt from the filter. (See
Fig. 24.)
5. Inspect the filter. If torn, replace it.
6. Wash the filter (if dirty) in a sink, bathtub, or outside with
a garden hose. Always use cold tap water. A mild liquid de¬
tergent may be used if necessary. Spray water through the
filter in the opposite direction of airflow (through the
cross-mesh binding side). Allow filter to dry.
A86038 A86039
7. Reinstall the clean filter with the cross-mesh binding side
facing the furnace blower.
8. Push filter retainer toward back of the furnace until it will
go behind the flange on the furnace casing.
9. Replace blower and control access doors and turn ON elec¬
trical power to your furnace. (See Fig. 25 and 26.)
If your furnace filter needs to be replaced, be sure to use the
same size and type of filter that was originally supplied. Use the
furnace filter table and compare your furnace size with the
proper filter size.
UPFLOW FURNACE
CASING WIDTH
HHnZnHHI
FILTER
TYPE
17-1/2
Cleanable
21
Cleanable
^Furnaces with a side return-air inlet may have a different filter
size. Measure the filter to obtain the correct size.
• DOWNFLOW FURNACES ONLY: TWo filters are located in
the return-air plenum above the blower (above line-of-sight) at¬
tached to the top of the furnace. (See Fig. 28.)
1. Tirn OFF electrical supply to the furnace. (See Fig. 19.)
2. Remove blower access door. (See Fig. 27.)
3. Remove the left side filter by tipping the filter toward the
center—raise it from the V-shaped channel in which it
rests. (See Fig. 28 and 29.) i I
DOWNFLOW FURNACE FILTER TABLE
DOWNFLOW
FURNACE
CASING WIDTH
FILTER SIZE*
(IN.)
FILTER
TYPE
All
(2)16x20x1
Cleanable
4. Lower filter down along side of the blower and remove from
the furnace.
5. To remove the second filter, lift from V-shaped channel
and remove the same way as left side filter.
6. Inspect the filters. If torn, replace the filter.
7. Wash the filters (if dirty) in a sink, bathtub, or outside
with a garden hose. Always use cold tap water. A mild liq¬
uid detergent may be used if necessary. Spray water
through the filter in the opposite direction of airflow
through the cross-mesh binding side. Allow filter to dry.
8. Reinstall the clean filters with the cross-mesh binding
side facing the furnace blower.
9. Replace blower door and turn ON electrical supply to your
furnace. (See Fig. 30.)
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