Heatilator CI60 Owner's Manual page 14

3 ft min. from top of
uppermost chimney
section to air inlet.
Figure 4.2 Outside Air Inlet Locations
NO
Outlet blocked by
snow, leaves, etc.
YES
Clear area
outside
house or in
ventilated
crawl space
Figure 4.3 Outside Combustion Air Placement
14
Attic insulation shield
may be used to keep
insulation away from
chimney.
Ceiling firestop
on floor of attic.
NO
Garage or
combustible
liquids storage
Factory-built
fireplace
Use only duct materials specified
by manufacturer (preferably with
short run or mainly straight duct,
except small dip for cold air trap
which will help prevent flow of cold air).
Heatilator • CI60 • 4013-031 Rev M • 10/06
Handle down - closed
Figure 4.4
Note: Chimney air kit is required in Canada.
NO
Attic space
NO
Outlet placed
higher than 3 ft
below the
termination cap
Handle up - open
Locating the Outside Air Control