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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 em x
25 cml rectangular,
7" (17.8 crn| round,
8" (20.3 era) round or 9" (22.9 _rn)
round vent may be used. The hood
exhaust opening
is 3-1/4"
x 10"
(8,3 cm x 25 cml.
Ventwork
can terminate
either
through
the roof or wall.
To vent through
a
wall,
a 90 ° elbow
is needed.
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. (10.7 m)
(8.3 cmx 25cm)
7" (17.8 cm) 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
roof cap
3-1/4"
x 10"
_hrouah
the root
Horizontal wall venting
3-1/4" x 10"
)
(8.3 cm x 25 cm)
through the wall
|
\
/
wall
t;ap
/
Calculating the vent system length
To calculate the length of the system
you need, add 1he equivalent feet for
each vent piece used in the system.
Vent Piece
45° elbow
90 ° elbow
3-114" x 10" (8.3 cm x 25 cm
Rectangular
7.0 feet
(2.1 m)
_
5.0 feet
{1.5 m)
7" (17.8 orn}, 8" (20.3 cm)
or 9" (22.9 cm) Round
90 ° flat elbow
12.0 feet
(3.7 m)
transition
1o round
5.0 feet
M
(1.5 m)
wall cap
0.0 feet
(0.0 m)
2.5 feet
(0.8 cm)
5.0 feet
_
(1.5 ml
3-114" x 10" (8,3 crn x 25 cm)
vent system
3-1/4" x 10"
wall
is,3 cm x 25 cml
elbow
cap
leml-- ,\
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, (10.7 m)
=
5 ft. (1.5 rn}
=
8 fl. (2.4 m)
=
0 fl, (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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