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TRANSFORMER
1. Follow steps 1 through 6 under Service
Preparation, page 10.
2. Disconnect transformer wires from control
board.
3. Remove 2 screws from firebox surround
to remove transformer (see Figure 18).
4. Remove and discard transformer.
5. Place new transformer against inside
of firebox surround and replace screws
removed in step 3.
6. Reconnect transformer wires to control
board (see Wiring Diagram, page 14).
6. Follow steps 8 through 13 under Service
Preparation, page 10.
Figure 18 - Removing Transformer
HEATER
1. Follow steps 1 through 6 under Service
Preparation, page 10.
2. Disconnect wires from heater.
3. Remove 4 screws from side of heater, see
(Figure 19).
4. Install new heater.
5. Connect wires to new heater (see Wiring
Diagram, page 14)
6. Follow steps 8 through 13 under Service
Preparation, page 10.
12
SERVICINg
Continued
Screws
Transformer
Nuts
www.desatech.com
Heater
Figure 19 - Removing Heater from
BLOWER ASSEMBLY
1. Follow steps 1 through 6 under Service
Preparation, page 10.
2. Disconnect wires from heater/blower as-
sembly.
3. Remove 4 screws holding blower/heater
and brackets to fireplace top (see Figure
20).
4. Remove 4 screws securing heater to
blower (see Figure 19).
5. Install old heater onto new blower with
screws removed in step 4.
6. Install new blower/heater assembly to top
panel with screws removed in step 3.
7. Reconnect wires to blower/heater assem-
bly (see Wiring Diagram, page 14).
8. Follow steps 8 through 13 under Service
Preparation, page 10.
Figure 20 - Removing Blower/Blower
Assembly
Blower
Blower
Brackets
122663-01D
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