Honeywell F50F Manual page 16

F50F
SERVICE
Fig. 21—Remove power box from air cleaner and remove the cover.
1
Fig. 22—Clip out J2 jumper to reduce ozone
production about 20 to 25 percent.
P3
P4
R43. CLIP OUT
TO REDUCE
W8600E
WASH LED
SENSITIVITY
68-0137B—2
2
J2 JUMPER. CLIP OUT TO REDUCE
OZONE PRODUCTION
J2
2
4
3
1
R43
P1
CABLE CLAMP CLIP
3
2. Clip out the J2 jumper on the power supply. This will
reduce ozone production about 20 to 25 percent and reduce
efficiency about 7 to 10 percent, depending on actual
airflow delivered by the furnace blower.
a. Unplug or disconnect power to the air cleaner.
b. Open the access door.
c. Remove the power box cover. See Fig. 21.
d. Find the J2 jumper on the power supply and clip
it out. See Fig. 22. Make sure the leads are
separated and cannot touch.
e. Replace the power supply cover and access the
door. Turn on the power.
f. Repeat the Checkout procedure before leaving
the job.
MODIFICATION TO REDUCE W8600E WASH
LED SENSITIVITY
!
WARNING
ELECTRIC SHOCK HAZARD.
CAN CAUSE PERSONAL INJURY.
Always disconnect power and open the access
door before opening the power supply cover.
The W8600E WASH LED is triggered by a reduction
P2
in ionizing current in the collection cells. The ionizing
current is reduced when the cell ionizer wires are coated
with resistive dust. In some applications, such as when the
filtering load is light, the ionizer wires can become coated
M5685
16
4
M6168