For vented models:
Do not terminate the vent system
in an attic or other enclosed area,
Do not use 4" (10,2 cm) laundry-
type wall caps.
Use metal vent only, Rigid metal
vent is recommended,
Do not use
plastic or metal foil vent.
Flexible vent is not
recommended,
Flexible vent
creates back pressure that greatly
reduces the hood's performance,
• The size of the vent should be
uniform.
• Use no more than three 90 °
elbows.
• Make sure there is a minimum
of 24" (61 cm) of straight
vent
between the elbows
if more
than one elbow is used.
• Do Not install two elbows
together.
• The length of vent system and
number
of elbows should be
kept to a minimum
to provide
efficient
performance.
• The vent system must have a
damper. If roof or wall cap has
a damper, Do Not use damper
supplied
with the range hood.
• Use duct tape to seal all joints
in the vent system.
• Use caulking to seal exterior wall
or roof opening around the cap.
Note: It is recommended
that the
vent system be installed
before
installing
the hood.
(8.3 cmx 25 cm)
vent through
the wall
wall
cap
Wall venting
I
Recommended vent system
length
Use 3 1/4" x 10" (8.3 cm x 25 cm)
vent with maximum
length of
26 feet (8 m) for vent system. For
best performance,
use no more
than three 90 ° elbows.To
calculate
the length of system you need,
add the equivalent
feet (meters)
for each vent piece used in the
system. See the following
example.
Note: Underside of hood must be a minimum of
24" (61 cm) from cooking surface.
3-1/4" x 10" (8.3 cm x 25 cm)
vent system
3-1/4" x 10"
wall
(8.3cmx 25 cm)
90° elbow
cap
Maximum length
1 -- 90° elbow
9 ft. (2.8 m) straight
1 -- wall cap
Length of 3-1/4" x 18"
(8.3 cm x 25 cm)
system
= 26 ft.
(Sm)
= 5ft.
(1.5m)
= 9ft.
(2.8m)
= Oft.
(Ore)
=14ft.
(4.3m)
Recommended
standard
fittings
3-1!4" x 10"
(8.3 em x 25 cm)
90° elbow
= 5 ft.(1.5 m}
3-1/4" x 10"
18,3cmx 25 cm)
flat elbow
= 12 ft. (3,7 m)
3-1t4" x 10"
(8.3 cm x 25 cm)
wall cap
= 0 ft.(0 m)
Vent system needed for
installation
is not included.
3-1/4" x
10" (8.3 cm x 25 cm) rectangular is
recommende(_
_
3-1/4"× 10"J
I H
Roof venting
4-3/4"
(12.1 cm}
5-1/16"
(12.9 cm}
13-3/8"
(34.0 cm)
3-3/16"
(8.1
1-9/16"
(4.0 cm)
I 1-3116"
30" (76.2 cm)
17-3t4"
(3.0 cm)
_36
(91.4 cm)
Roof-ventedmodel shown.
2-11/32"
7-3/4"
(6.0 cm)
1-3!4"
(4.4 cm)
Do not
usethese
knockouts
3
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