[] Vent s ystem (ifneeded) forinstallation
isnotincluded.
[] Vent s ystem must terminate totheoutside.
[] Donotterminate thevent s ystem inanattic orother
enclosed area.
[] Donotuse4"(10.2 cm) l aundry-type
wall c aps.
[] Use metal vent o nly. R igid metal vent i srecommended.
Do
notuseplastic o rmetal foilvent.
Forthemostefficient andquietoperation:
[] The length o fthevent s ystem andnumber ofelbows s hould
bekept t oaminimum t oprovide e fficient performance.
The
size ofthevent s ystem should b euniform.
[] Donotinstall twoelbows t ogether.
[] Vent s ystem can terminate either t hrough theroof o rwail.
[] For t hemost e fficient andquiet o peration, it isrecommended
thattherange b evented v ertically through t heroof t hrough
7"(17.8 cm) r ound vent s ystem.
[] Use duct t ape tosea! a lljoints inthevent s ystem.
[] Use caulking toseal exterior wall o rroof o pening around
thecap.
VentingMethods
Determine
which outside v enting m ethod n eeds t obeused. I tis
recommended
thatthevent s ystem beinstalled before i nstalling
thehood.
NOTE: Ifa non-vented (recirculating)
installation isdesired, follow
instructions
inthe"Make E lectrical Connection"
section.
7" (17.8 cm) round
or 3-1/4" x 10" ,
roof cap
7" (17,8 cm)
(8,3 x 25,4 cm)
round
round damper
(purchased
separately)
i
I
24"(61cm) to
_
30"(782 cm)
!
above cooking
surface
Roof venting
Wall venting
Calculating
Vent System
Length
To calculate the length of the system you need, add the
equivalent feet (meters) for each vent piece used in the system.
Use 31/4 '' x 10" (8.3 x 25.4 cm) or 7" (17.8 cm) round vent with a
maximum length of 65 feet (19.8 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 for each vent
piece used in the system. See the examples below.
3-1/4"
x 10" (8.3 x 25.4 cm) vent system
Recommended
standard fittings
Vent piece
31/4"x 10" (8.3 x 25.4 cm)
31/4 '' x 10"
5 feet
(8.3 x 25.4 cm)
(1.5 m)
90° elbow
31/4"x 10"
12 feet
(8.3 x 25.4 cm)
(3.7 m)
flat elbow
31J411
X
10
H
0feet
....
(8.3 x 25.4 cm)
(0 m)
wa, oap
3-1/4" x 10"
(8_3 x 25_4 cm)
_6
ft. 1.8 m _
wall cap
e,bow _
____
Exampie vent
system
2ft.
1 -- 90 elbow
=
5 ft. (1.5 m)
(u_lm_l
I
_
'
8 ft. (2.4 m) straight
=
8 ft. (2.4 m)
Jh'
'
_-_
1 -- wall cap
=
0
ft.
(0 m)
h_J
system length
=
13 ft. (3.9 m)
7" (17.8 cm} vent system
Recommended standard fittings
Vent piece
450elbow
900 elbow
7" (17.8 cm)
wall cap
7" (!7.8 cm) round
2.5 feet
(0.8m)
5.0 feet
(1.5 m)
0 feet
(0m)
Vent piece
31/4,,x 10 ,,
(8.3 x 25.4 cm
to 7" (17.8 cm)
31/4,,x 10 ,,
(8.3 x 25.4 cm
to 7" (17.8 cm)
90° elbow
_" (!7.8 cm) round
4.5 feet
/14©.....
90° elbow
_6
ft. (1.8 m)_l
wall cap
_.q
-----._--_
Example vent
(
I
ft.
system length
=
13 ft. (3.9 m)
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