Install Instructions

PS1202C, PS2402C REPLACEMENT POWER SUPPLY KITS FOR ELECTRONIC AIR CLEANERS
69-1137EF—01 2
INSTALLATION
When Installing this Product…
1. Read these instructions carefully. Failure to follow
them could damage the product or cause a hazard-
ous condition such as electrical shock.
2. Check the ratings given in the instructions and on
the product to make sure the product is suitable for
your application.
3. Installer must be a trained, experienced service
technician.
4. After installation is complete, check out product
operation as provided in these instructions.
WARNING
Electric Shock Hazard.
Safety Hazard.
Can cause electrical shock or equipment
damage.
Disconnect power before removing old power
supply board and installing replacement power
supply board. When servicing the F57 or F90,
stand on a stable work platform or ladder.
Fig. 1. Power supply location on F50E Two-Cell Air
Cleaners.
To Remove Old Power Supply
Board And Performance Indicator
Board
NOTE: It is advisable to observe the location of lead-
wires on the power supply to be replaced.
Tagging the lead-wires as they are removed
will help to correctly reconnect them.
 Open access door or grille. See Fig. 1 through 5.
 Open power box.
 Remove W8600E terminal block and wiring. Save
screws for future use.
 On the F90, remove the power supply assembly as
follows:
— Open the cover by pulling the two latches located
on the front of the cover and swinging the cover
down until it hangs (see Fig. 5).
— Remove the two prefilters and the two cells from
the channel guides.
— Loosen the screws holding the power supply
assembly cover plate and remove the cover plate.
See Fig. 6.
— Loosen the two screws on the inner wall of the
power supply assembly and three screws on the
top of the assembly. Slide the power supply
assembly toward the center of the air cleaner and
disconnect the two Molex connectors and the one
quick connect connector. See Fig. 6.
— Remove the power supply assembly to a table or
work bench to replace the power supply.
 Disconnect the red ionizer and black collector leads at
the board quick connects.
 Disconnect remaining input leads at the quick
connects.
 Remove and set aside the sheet metal screws holding
the power supply board in place. Remove the
performance indicator board by clipping the four plastic
standoffs with diagonal cutters, or squeezing the ends
of the standoffs to release the board. Remove and
discard the board.
M33489
2
ONE-CELL MODEL
1