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Venting
system must terminate
to
the outside.
Do not terminate
the vent system
in an attic or other enclosed area.
Do not use 4" (10.2 cm) laundry=
type wall
caps
Do not use plastic or metal foil
vent.
Vent work needed for installation
is not supplied.
Wall cap is Not provided
with
interior-mounted
motor.
Determine
which venting
method
to use. Vent system can extend
through
either the wall or roof.
The length of vent system and
number
of elbows should be kept
to a minimum
to provide
efficient
performance.
The size of the vent shouH
be
uniform.
Do Not install two elbows
together.
Use duct tape to seaU aH joints in
the vent system.
Use caulking
tape to seaU the
exterior wall or floor opening
around cap.
Do Not cut joist or stud. Ufvent
cutout faUUs over a joist or stud, a
supporting
frame must be
constructed.
Flexible metal vent is Not
recommended.
Ufit is used,
caUcuhte each foot of fiexibUe vent
as two feet of rigid metaU vent.
Fbxible
elbows count twice as
much as standard elbow, s.
NOTE: Make sure there is proper
clearance within the wall or floor
before making exhaust vent
cutouts.
Recommended
vent system
length
For either interior-mounted
or
exterior-mounted
blow, er
installations,
vent system length
should
not exceed the maximum
lengths
listed in the "Maximum
length of vent system"
chart. (See
this page for Interior-mounted
vent motor;
page 9 for exterior-
mounted
vent motor.)
island location
Built-in
cabinet locations
_eaF
vent
left vent
right
vent
Vent system
installed under a
concrete
slab using PVC sewer pipe.
6" (15.2 cm) round metal vent
6" (15.2 cm)
transition
6" (15,2 cm)
Tightly pack
round 90°
gravel
or sand
PVC sewer
completely
pipe elbow
around
pipe.
6" (15,2 cm)
round 90 °
PVC sewer
pipe elbow
Optional
vent system
installed under
a concrete slab into a window
well.
#o not vent a gas cooktop
into
a window
well.
12" (30.5 cm)
6" (15.2 cm) routed
transition
round PVC
completely
coupling
around
pipe,
Sea_ the space
between
the outside
of wall
cap in_et inside
of PVC
coupling
with
cauH{ing
reetat.
Maximum
length
of vent
system
Vent
Length
6" (15,2 cm) round
35 feet (8.9 re)
3ol/4" x 10"
35 feet (8.9 re)
(8.3 cre x 25,4 ere)
For best performance,
use no more
than three go ° elbow's. If more than
one elbow, is used, make sure that
there is a minimum
of 24" (61 cm) of
straight
vent between
any two
elbows.
Do Not install two elbows
together.
It is recommended
that
you use round vent instead of
rectangular
vent, especially
if
elbows are required.
If rectangular
vent is required,
it should be
transitioned
to 6" (15.2 cm) round
vent as soon as possible.
Determining
the mength of
system
you need:
To calculate
the length of system
you need, add the equivalent
feet
for each vent piece that will be
needed. See example for 6"
(15.2 cm) round vent system.
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