Heatilator CONSTITUTION C-40 - Timer Assembly Replacement

November 11, 2008
Heatilator • Constitution EPA Fireplace • 480-1091C
Page 35
E. Timer Assembly Replacement
Shock Risk
Disconnect power by turning off circuit breaker
BEFORE servicing.
CAUTION
1. Remove both doors by lifting doors up and off of
hinges.
2. Remove the black knob and spring handle.
3. Remove the outside air knob and then the 4 screws from
each corner of fascia and remove the fascia. Place on
protected surface.
4. Removethe3centerbricksfrombackofreplaceand
alltheoorbricks.
5. Remove 2 Phillips head screws and pry open access
doorinthebottomofthereplacewithaatheadscrew-
driver. Figure 35.2.
Remove 2 screws
in cover plate
Cover Plate
Pry pointed edge
toward fireplace and
then down and out to
remove.
Cover Plate
Remove 2 screws & pry open door
Spring Handle
Black Knob
Linkage Arm
1/4” bolts
Timer Assemby
Cover Plate
Mechanical
Timer
Figure 35.1 Timer Assembly
Figure 35.2
6. Remove2screwsfromcoverplate&pullcoverplate
towardyou.Figures35.3&35.4.Useaatheadscrew-
drivertoprythecorneredgeloose.Prytowardthere-
place and then press down and out. Figure 35.5.
Figure 35.3
Figure 35.4
Figure 35.5