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Figure 24
Figure 25
Figure 26
Diagram 3
Figure 27
Figure 28
Figure 29
Figure 30
6-1i. Replacing the thermostat for a CA70.
Required: Small flathead screwdriver, Medium (6") flathead
screwdriver, Medium (6") phillips screwdriver, Wiring markers (color or
number codes), Electrical tape, Wiring diagram for thermostat (see
step 9)
1. Remove top mounted heating module and front panel as found
in sections 6-1a and 6-1b.
2. Mark all the wires connected to the thermostat with a color code
or number to make proper re-connection easy. (Fig. 27)
3. Remove thermostat dial from front panel by rotating the dial to
expose the set screw and reversing the set screw with a small
flathead screwdriver. (Fig. 28)
4. Remove the two screws holding the bezel (chrome ring) behind
the thermostat dial with a medium (6”) phillips screwdriver.
Carefully pull thermostat away from the rear of the front cover.
5. Remove the fan blower motor assembly cover (on the left side of module as you are facing the front
panel) by removing the two front and two rear screws with a medium (6” flathead
screwdriver. (Fig. 29)
6. Remove the two screws securing the clips that attach the copper thermostat probe to the fan
blower. Use a medium flathead screwdriver. (Fig. 30)