Harman® • XXV-TC Installation Manual_R3 • 2016 -___ • 02/17
15
3-90-00680i
B. Chimney Diagram
V
=Vent Terminal
A
=Air Supply Inlet
=Area where termination is not permitted
Door
Sidewalk
Fixed
Closed
Openable
Openable
Fixed
Closed
Inside Corner
Detail
Porch or
Openable
Deck
or Fixed
Requirements for Terminating the Venting
Figure 4.10
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with outside air installed, 6 feet
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(B. also)
The clearance to vegetation and other exterior combustibles
such as mulch is 36” as measured from the center of the
outlet or cap. This 36” radius continues to grade.
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See NFPA 211 for more installation clearance reductions
when using outside air.
Where passage through a wall, or partition of combustible
construction is desired, the installation shall conform to
CAN/CSA-B365. (if in Canada)
WARNING
!
Venting terminals must not be recessed into a wall
or siding.
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be used when venting through combustible materials.
Always take into consideration the effect the prevailing wind
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/or smoke when placing the termination.
In addition, the following must be observed:
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with outside air installed, 12”
to side and below
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