Advertisement
F59A
ELECTRICAL TROUBLESHOOTING
Fig. 9—Internal schematic for 220 Vac, 50 Hz F59A.
BLU E
GR EEN /YEL LOW
BROWN
When measuring high voltage, use a good quality multi-
meter and HV probe. When measuring ionizer and collector
voltage, they should be between 6900 and 7800 Vdc.
REDUCING OZONE ODOR
CAUTION
ELECTRIC SHOCK HAZARD.
CAN CAUSE PERSONAL INJURY.
Always disconnect power before working on power
supply.
Only a trained service technician should perform
the following procedure.
The electronic air cleaner generates a small amount of
ozone in normal operation. During the first week or two of
operation, the amount may be higher because of sharp
edges on some of the new high voltage metal parts. Normal
use dulls these edges in a short time.
68-0086—5
NEON
LIGH T
ON-OFF/
A5
3 SPEED
ON (C OM)
FAN
D 2
1
SWITC H
HI
C2
MED
B2
LOW
A6
2
BLACK
BL UE
2
ORANGE
BR OWN
GREEN /
YELLOW
WHITE
GR OU ND
RED -IONIZER
BL ACK-COLL ECTOR
YELL OW
N EON L AMP
GR EEN
GROUND
BLAC K
BLAC K
BLU E
RED
WHITE
ON (COM) SWITC H CONTACT IS MADE IN
1
FAN
AL L SWITCH POSITION S EXC EPT OFF.
MOTOR
INTERL OC K SAFETY SWITC H ON C OVER .
2
The average person can detect the odor of ozone in
concentrations as low as 0.003 to 0.010 parts per million
(ppm). The electronic air cleaner contributes 0.005 to
0.010 ppm of ozone to the indoor air. The U.S. Food and
Drug Administration and Health and Welfare Canada rec-
ommend that indoor ozone concentration should not ex-
ceed 0.050 ppm. As a comparison, the outdoor ozone level
in major cities is sometimes as high as 0.100 ppm. How-
ever, if desired, the ozone generated by the air cleaner can
be reduced by clipping 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 de-
pending on actual airflow delivered by the furnace blower.
a. Turn off power to the air cleaner; tip unit upside
down and remove bottom plate to access power
supply.
b. Find the J2 jumper on the power supply, and clip it
out. See Fig. 11.
c. Replace the air cleaner bottom plate; turn on power.
Regular replacement of the carbon filter (every 3 to 6
months) will also help reduce ozone odor.
8
POWER SU PPLY
P3
P4
P5
P2
P1
M3152
Advertisement
