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PROPER VENT/FLUE AND COMBUSTION
AIR PIPING PRACTICES
Adhere
to
these instructions to ensure safe
and proper furnace performance.
The length, diameter, and number
of
elbows
of
the vent/flue pipe and combustion air pipe
effects the performance
of
the furnace and
must
be
carefully sized.
All piping must be installed in accordance
with local codes and these instructions.
Piping must
be
adequately secured and
supported
to
prohibit sagging, joint
separation, and/or detachment from the
furnace.
Horizontal runs
ofvent/flue
piping must be
supported every three to five feet and must
maintain a
% inch per foot downward slope,
back towards the furnace,
to
properly return
condensate
to
the furnace's drain system.
Precautions should be taken
to
prevent
condensate from freezing inside the
ventlflue pipe and/or at the ventlflue pipe
termination.
All vent/flue piping exposed
to
freezing
temperatures below 35 F for extended
periods
of
time must
be
insulated with
%"
thick closed cell foam.
Also all vent/flue piping exposed outdoors in
excess
of
the terminations shown in this
manual (or in unheated areas) must be
insulated with
%"
thick closed cell foam.
Inspect piping for leaks prior to installing
insulation.
TERMINATION LOCATIONS
EXHAUST VENT/INLET AIR
LOCATION
1.
The vent piping for this furnace is
approved for zero clearance
to
combustible construction.
2.
The condensing oil furnace, like all
high efficiency products, is likely to
produce a visible vapor plume due
to
condensation. Surfaces near the
vent termination will likely be coated
with condensation.
3.
Care must be taken to locate the
exhaust vent where the exhaust
gas, vapor plume, and condensation
do
not cause a hazard or nuisance.
For example, so not locate the
exhaust vent termination under a
deck where, under certain
conditions, it could form a coating
of
ice causing a hazard
or
reduce the
life
of
the deck materials.
Fitting Description
Equivalent Length
Elbow, 90
5
Cleanout
Tee
5
Elbow,
45
3
Vertical Vent Termination
0
Sidewall Vent Termination
0
8