10
3. Glass Doors
• Glass doors are optional.
• Refer to Figure 3.3 proper use.
1. Flue Damper
The fl ue damper must be in the fully opened position
(handle up toward the top of the fi replace) during op-
eration of the fi replace.
Before lighting the fi replace, verify fully open position
by looking up from the inside of the fi replace.
FULLY OPEN
CORRECT
PARTLY CLOSED
INCORRECT
PARTLY OPEN
INCORRECT
FULLY CLOSED
CORRECT
Figure 3.3 Operating Positions of Bi-fold Doors
2. Outside Air
Refer to Figure 3.2 for location and operation of control.
The outside air kit supplies some combustion air for
your fi replace. It may help reduce the effects of nega-
tive air pressure. Other methods may be required if
more air is needed.
The outside air inlet should be in the fully opened posi-
tion during operation of the fi replace.
Close the inlet to prevent cold drafts when the fi replace
is not being used.
CAUTION!
Outside air control handle may be warm.
Adjust before lighting fi re.
Heatilator • Birmingham 36-B OWNERS MANUAL • 4059-710 • Rev F • 11/25/13