68-0137B—2 14
F50F
SERVICE
NOTE: Always wash the cell(s) first, then the prefilter(s),
to keep heavy prefilter lint from getting caught in the
cell(s).
1. Use a large enough container, such as a laundry tub
or trash container, to hold one or both cell(s).
NOTE: Sharp corners on the cell(s) can scratch the surface
of a bathtub.
2. Dissolve about 3/4 cup of automatic dishwasher de-
tergent per cell in enough hot water to cover the cell(s). If
the detergent does not dissolve readily, or forms a scum on
the water, try another brand, or use softened water.
3. After the detergent has completely dissolved, place
the cell(s) in the container and let soak for 15 to 20 minutes.
Agitate up and down a few times, and remove. See Fig. 17.
Fig. 17—Washing cell(s) in container.
4. Next, wash the prefilter(s) the same way. Empty and
rinse the wash container.
Washing the Cell(s) at Car Wash
Use the hand sprayer at a coin-operated do-it-yourself
car wash to clean the cell(s). Hold the nozzle at least two
feet away from the unit to avoid damage (such as broken
ionizer wires or bent collector plates) from the high pres-
sure stream of water. See Fig. 18. Follow the same se-
quence of wash and rinse as recommended for cars. How-
ever, do not wax the cell(s). Be sure to rinse until the water
draining from the cell(s) no longer feels slippery.
Fig. 18—Washing cell(s) at car wash.
M922A
WEAR GLOVES
TO PROTECT
HANDS FROM
DETERGENT
SOLUTION.
5. Rinse the cell(s) and prefilter(s) with a hard spray of
very hot water; rinse the tub clean, then fill the tub with
clean hot water and soak for 5 to 15 minutes. Rinse until the
water draining from the cell(s) and prefilter(s) no longer
feels slippery.
6. Soak cell(s) and prefilter(s) in a final clear water
rinse for 10 minutes.
7. Wipe the ionizer wires and contact board on the end
of the cell using your thumb and forefinger with a small,
damp cloth.
HIGH VELOCITY
DETERGENT SPRAY
STEAM
M677B
Reinstall the Cell(s) and Prefilter(s)
1. Inspect the cell(s) for broken ionizer wires and bent
collector plates. Repair as necessary or take to a Honeywell
Authorized Air Cleaner Repair Station.
2. Slide the prefilter(s) into the upstream prefilter guides.
3. Slide in the air cleaner cell(s) so the air flow arrow
points downstream and the handle(s) faces outward.
4. Firmly close the access door.
5. Turn on the air cleaner. If the cell(s) and prefilter(s)
are wet, the neon light may not come on and arcing may be
heard. If the arcing is annoying, simply turn off the air
cleaner for two to three hours or until the cell(s) are dry.
If the air cleaner has a Solid State Performance Indica-
tor, the CHECK LED may come on when the cell(s) and
prefilter(s) are wet. Again, if the CHECK LED is annoy-
ing, simply turn off the air cleaner for two to three hours or
until the cell(s) and prefilter(s) are dry.
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