Honeywell 203365A User Manual
203365A 120 Vac to 220/240 Vac
Conversion Kit For
Electronic Air Cleaners
Application
The 203365A Conversion Kit changes the 120 Vac,
60 Hz to 220/240 Vac, 50/60 Hz. The kit includes a transformer and two screws. The line cord on the air cleaner
must be changed to conduit to complete the conversion.
NOTE: The air cleaner can be completely isolated from
the electrical circuit of the HVAC system unless re-
quired by local code to use same circuit. Any convenient
house circuit can power the air cleaner, regardless of
electrical rating of HVAC system.
Installation
WHEN INSTALLING THIS PRODUCT…
1. Read these instructions carefully. Failure to follow
them could damage the product or cause a hazardous condition.
Fig. 1—Remove power box.
2
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.
MOUNT TRANSFORMER
1. Open access door.
2. Remove and retain the two screws from the front of
the power box.
3. Lift and remove the power box.
4. Remove and retain the two screws from the sides of
the power box. See Fig. 1.
5. Remove the power box cover.
6. Place the transformer on the mounting holes. See
Fig. 2.
3
1
4
M6168
1 69-0769—1J. H. • Rev. 8-93 • ©Honeywell Inc. 1993 • Form Number 69-0769—1
NOTE: Be sure the transformer terminals are located on the
side away from the power supply. See Fig. 2.
7. Use the two provided screws to secure the trans-
former to the power box.
WIRE TRANSFORMER TO POWER SUPPLY
(See Fig. 2)
1. Remove black wire from power supply P1 terminal
and place it on one of the transformer terminals.
2. Connect the transformer black lead to the power
supply P1 terminal.
3. Remove brown wire from power supply P2 terminal
and place it on the empty transformer terminal.
4. Connect the transformer brown lead to the power
supply P2 terminal.
See Fig. 3 for internal schematic for the electronic air
cleaner with conversion kit.
CHANGE PLUG TO CONDUIT
CAUTION
!
ELECTRIC SHOCK HAZARD.
CAN CAUSE ELECTRICAL SHOCK OR
EQUIPMENT DAMAGE.
Disconnect power before installing replacement
power supply board.
Fig. 2—Mount and wire transformer.
P3
P4
J2
2
4
3
1
R43
P2
P1
1. In the power box, remove and retain two wire nuts
that connect the line cord leads to the power box wiring.
2. Remove the power green lead from the green ground-
ing screw on the wiring compartment barrier.
3. Remove the power cord and the strain relief.
4. Put the provided plug in the hole left by the power
cord.
COMPLETE WIRING
CAUTION
!
ELECTRIC SHOCK HAZARD.
CAN CAUSE ELECTRICAL SHOCK OR
EQUIPMENT DAMAGE.
Disconnect power before wiring.
1. Attach conduit through a power box side knock-out.
2. Wire the air cleaner directly to the line voltage using
wire nuts. See Fig. 3. Secure ground connection to the
green ground screw on the wiring compartment barrier.
3. Replace power supply box, cover and access door.
BLACK
LEAD
MOUNTING
SCREWS (2)
TRANSFORMER
TERMINALS
1 BROWN AND BLACK WIRES OFF OF P1 AND P2 TERMINALS
CAN GO ON EITHER TRANSFORMER TERMINAL.
BROWN
LEAD
BLACK
1
BROWN
M5767
2
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