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120927-54B10
REPLACING TRANSFORMER
1. Follow steps 1 through 3 under Replacing
Heater/Blower, page 9.
2. Disconnect transformer wires from control
board.
3. Remove screws and nuts from rebox
surround to remove transformer (see
Figure 14).
4. Remove and discard transformer.
5. Place new transformer against inside of
rebox surround and replace screws and
nuts removed in step 3.
6. Reconnect transformer wires to control
board (see Wiring Diagram, page 14).
7. Replace glass with brackets, and top
panel.
8. Replace trim
Figure 14 - Removing Transformer
Transformer
Screws
4. Gently push new control board onto
standoffs to install.
5. Reconnect wires to main control board
(see Wiring Diagram, page 14).
6. Replace glass with brackets, and top
panel.
7. Replace trim
REPLACING MAIN CONTROL BOARD
1. Follow steps 1 through 3 under Replacing
Heater/Blower, page 9.
2. Disconnect wires to main control board.
3. Squeeze top of standoffs to remove main
control board and discard.
Figure 15 - Control Board
Main Control
Board
Standoffs
Transformer
Figure 13 - Removing Heater from
Blower
Heater
Blower
CLEANING AND MAINTENANCE
Continued
REPLACING BACKLIGHT LED
STRIP
1. Follow steps 1 and 3 under Replacing
Heater/Blower, page 9.
2. Disconnect wires from main control
board.
3. Squeeze top of standoffs to remove back-
light LED strip and discard.
4. Place new backlight LED strip onto stand-
offs and push gently.
Figure 16 - Replacing Backlight LED
Strip
Backlight
LED Strip
Standoffs
Nuts