Heatilator MHST36D Installation & Operating Instructions Manual page 18

Woodburning fireplace for manufactured housing
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Detailed instructions for installation of the termination cap and storm collar are packaged with these parts. To avoid
danger of fire, all instructions must be strictly followed, including the provision of air space clearance between
chimney system and enclosure. To protect against the effects of corrosion on those parts exposed to the weather,
we recommend that the termination cap be painted with a rust-resistant paint.
Do not pack insulation in spaces between the two
shields or above the shield inside the flashing. This
may affect temperatures to adjacent combustibles. See
page 13 for minimum chimney height above roof.
10. Install the Outside Air Kit
The outside air kit is supplied as a standard feature
with this fireplace and its use is required to minimize
the effects of negative pressure within the structure. It
is recommended to utilize the shortest duct run to
optimize the performance of the outside air kit. The
outside air kit inlet thimble should be positioned at
least 4 ft above the ground level, in a manner that will
not allow snow, leaves, etc. to block the inlet.
The outside air kit is installed on either side of the
fireplace. Remove the cover plate from the side of the
fireplace assembly where the air kit is to be installed.
See Figure 14 for handle location/operation.
The air kit handle may get hot while burning
the fireplace. Use care when operating the
handle.
11. Install the Termination Cap
a.
Install the chimney sections up through the ceiling/
roof. When using the TR344 round termination
cap, the uppermost section of pipe must extend
6" above the roof to allow installation of the storm
collar and termination cap. See Figure 15.
b.
Install the termination cap, following the
instructions provided with it.
18
WARNING
CAUTION:
31068 Rev E
MHST36D INSTALLATION INSTRUCTIONS
WARNING!
This fireplace has not been tested for use with
a chase above the roof. To reduce the risk of
fire, do not install a chase above the room.
Air Kit Handle Location (right side shown)
Figure 15 - Installing a TR344 Round Termination Cap
WARNING
Figure 14
08/04

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