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Venting methods
This island canopy range hood is
factory set for venting through the roof
or wall. For non-vented (recirculating)
installations, see "Non-Vented
(Recirculating) Kits" on back page.
Vent system needed for installation is
not included. 3-1/4" x 10" (8.3 crn x
25 crn) rectangular, 7" (178 crn) round,
8" (20.3 crn) round or 9" (22.9 crn)
round vent may be used.The hood
exhaust opening is3-1/4" x 10"
(8.3 crn x 25 crn).
Ventwork can terminate either through
the roof or wall. Tovent through a
wall, a 90° elbow isneeded.
The vent system length should not
exceed the lengths shown in the chart
below.
Vent size Maximum length
3-1/4" x 10" 35 ft. (10.7m)
(8.3 cm x 25 cm)
7"(17.8cm) round 40 ft. (12.2 m)
8" (20.3 cm) round 50 ft. (15.2 m)
9" (22.9 cm) round 60 ft. (18.3 m)
Vertical roof venting
roofcap
Horizontal wail venting
3-1/4" x 10"
cm x 25 cm) 3-1/4" x 10"
through (8.3 cmx 25 cm)
the roof through the wall
\
jJ
Note: 3-1/4" x 10" (8.3 cmx 25 cm)
rectangular vent must be used inside
chimney cover. Round vent wiJJ net fit
inside chimney cover.
wall
cap
Calculating the vent system length
To calculate the length of the system
you need, add the equivalent feet for
each vent piece used in the system.
Vent Piece
45° elbow
90° elbow
90° flat elbow
transition to round
wall cap
3-1/4" x 10" (8.3 cm x 25 cm}
Rectangular
7.0feet
(2.1 m)
5.0 feet
(1.5 m)
12.0 feet
(3.7 m)
5.0 feet
(1.5 m)
0.0 feet
(0.0 m)
7" (17.8crn),8" (20.3cm)
or g" (22.9 cm} Round
2.5feet
(0.8cm)
5.0feet
(1.5m)
3-1/4" x 10" (8.3 crn x 25 crn)
vent system
3-1/4" x 10" wamm
(8,3 cmx 25 cm)
embow cap
Maximum length
1 - 90° elbow
8 ft. (2.4 m) straight
1 - wall cap
Length of 3-1/4" x 10"
(8.3 cm x 25 cm)
system
= 35 ft. (10.7rn)
= 5 ft. (1.5m)
= 8 ft. (2.4 m)
= 0 ft. (0 m)
= 13 ft. (4m)
Note: Flexible vent is Not
recommended.
If it is used, each foot of flexible vent
used is equivalent to two feet (61 cm)
of straight metal vent when
calculating the vent system length.
(Example: A flexible elbow equals two
standard elbows.)
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