Install Outside Air Kit - Heatilator BIR50 Owner's Manual

3 ft min. from
top of uppermost
chimney section
to air inlet.
Figure 7.3 Outside Air Inlet Locations
E. Install Outside Air Kit
• Keep duct runs short and straight to minimize
restriction.
• The outside air kits must be installed on both sides of the
fi replace.
WARNING! Outside air kits must be installed on both
sides of the fi replace to prevent overheating and fi re.
• Install as shown in Figures 7.3, 7.4 and 7.5.
• The air ducts may be run vertically.
• The outside air hoods must be at least 3 ft (.91 m) below
the top of the uppermost chimney section.
CAUTION! Risk of Fire or Asphyxiation! Do not draw
outside combustion air from wall, fl oor or ceiling cavity, or
enclosed spaces such as an attic or garage.
• DO NOT place outside air hoods close to exhaust
vents or chimneys. Fumes or odor could be drawn
into the room through the fi replace.
• Locate outside air hoods to prevent blockage from
leaves, snow/ice, or other debris. Blockages could
cause the unit to overheat.
NOTICE: The fireplace provides some outside air for
combustion. Other methods may be necessary if more air
is required.
22
Outside air installed
on both sides (right
side not shown)
Heatilator • Birmingham BIR50 • 4059-332 Rev F • 11/08
NO
NO
Garage or
Outlet blocked by combustible
snow, leaves, etc. liquids storage
YES
Clear area
outside
house or in
ventilated
crawl space
Figure 7.4 Outside Combustion Air Placement
Flexible Duct
(not supplied)
Outside Air
Hood
2 Wire Ties
Figure 7.5 Outside Air Installation
NO
Attic space
NO
Outlet placed
higher than 3 ft
below the
termination cap
Factory-built
fireplace