Downflow/Horizontal Furnaces Only - Payne PG8UAA Operation And Maintenance Manual

5. Inspect the filter. If torn, replace the filter.
6 Wash the filter (if dirty) in a sink, bathtub, or outside with a garden hose. Always use cold tap water. A mild liquid detergent may be used
if necessary. Spray water through the filter in the opposite direction of airflow. Allow filter to dry.
7. Reinstall the clean filter.
8. Put filter retainer back in the bracket opening and lock it in place.
9. Replace the blower and control access doors and turn ON electrical power to your furnace. (See Fig. 16 and 27.)
NOTE:
If side return ducts are used, 2 filters may be required in some models. The procedure listed above may be used to remove side filters.
FURNACE
CASING
WIDTH
14-3/16
17-1/2
21
24-1/2
* Factory-provided with the furnace.
† Filters may be field modified by cutting to size. Alternate sizes and additional filters may be ordered from your dealer.
•

DOWNFLOW/HORIZONTAL FURNACES ONLY:

Two filters are located in the return-air plenum above the blower (above line-of-sight) resting in the V-shaped channel on top of the furnace.
(See Fig. 28.)
1. Turn OFF electrical supply to the furnace. (See Fig. 22.)
2. Remove blower access door after removing 2 screws.
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.)
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 liquid detergent may be used
if necessary. Spray water through the filter in the opposite direction of airflow. Allow filter to dry.
8. Reinstall clean filters.
9. Replace blower door (secure with 2 screws) and turn ON electrical power to your furnace.
UPFLOW FURNACE FILTER TABLE
FILTER SIZE †
Side Return
(1) 16 x 25 x 1*
(1) 16 x 25 x 1*
(1) 16 x 25 x 1*
(2) 16 x 25 x 1
28
—8—
27
Bottom
Return
(1) 14 x 25 x 1*
(1) 16 x 25 x 1*
(1) 20 x 25 x 1*
(1) 24 x 25 x 1**
FILTER
TYPE
Cleanable
Cleanable
Cleanable
Cleanable
29