10
1. Flue Damper
Refer to Figure 3.2 for location and operation of con
-
trol.
Before lighting the fireplace, verify fully open position
by looking up from the inside of the fireplace.
ONE SIDE OPENED &
ONE SIDE CLOSED
CORRECT
BOTH SIDES OPEN
CORRECT
PARTLY CLOSED/OPENED
INCORRECT
BOTH SIDES CLOSED
CORRECT
Figure 3.3 Operating Positions of Bi-fold Doors
Refer to Figure 3.2 for location and operation of control.
The outside air kit supplies some combustion air for
your fireplace. It may help reduce the effects of nega
-
tive air pressure.
Close the inlet to prevent cold drafts when the fireplace
is not being used
2. Outside Air
CAUTION!
Outside air control handle may be warm.
Adjust before lighting fire.
3. Glass Doors
• Glass doors are optional.
• Refer to Figure 3.3 for how to properly use them.
•
With certain fireplace installations, it may be
necessary to operate the fireplace with both glass
doors in the opened or closed position to prevent
smoke spillage into the home.
Heatilator • ST36D Owners Manual • 4012-060 • Rev K • 02/21