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3-90-00674R20_08/12
venting
This method provides excellent venting for normal
operation. This method also provides natural draft in
the event of a power failure.
A cap should be installed on the chimney to keep out
rain.
Combustion air is provided from the living area and
enters the feed system from around the wing and stove
body spaces.
#2 Installing into an existing
fireplace chimney
This method provides excellent venting with 100%
outside air which is the most efficient operation of this
unit. This method also provides natural draft in the event
of a power failure.
A 4 inch stainless steel flex pipe is needed for the flue
pipe, and 3" aluminum or Stainless Steel Flex Pipe is
used for the intake.
#1 Installing into an existing fireplace
chimney
wArNINg
ChImNEY CONNECTOr PIPE mAY NOT
PASS ThrOugh CONCEAlEd SPACES
INCludINg AN ATTIC, rOOF SPACE,
ClOSET, FlOOr Or CEIlINg.
Fig. 49
Height of existing
hearth
The chimney top must be
capped to prevent rain and/
or snow from entering the
chimney.
See Page 22. for information
on the optional Harman
Adjustable Stainless Steel
Intake Extension.
The damper area must be
sealed with a steel plate and it
is recommended that Kaowool,
Mineral wool or an equivalent
non combustible insulation
is used on top of the plate
to reduce the possibility of
condensation. Insulation alone
should not be used to seal the
damper opening.
Fig. 50
The chimney top must be
capped to prevent rain and/
or snow from entering the
chimney.
The damper area may be
sealed with a steel plate. If
so, it is recommended that
Kaowool, Mineral wool or an
equivalent non combustible
insulation is used on top of the
plate to reduce the possibility of
condensation. Insulation alone
should not be used to seal the
damper opening.