Venting
requirements
round ductwork
Now start...
With range hood in kitchen.
..-..---:
wall cap
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I I*
1
I I l *
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-1
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:.-•
3-114" x 10" to round
ductwork
transition
3-l/4"
x IO" to round
Figure 4
Property Damage
Slide cardboard
or hardboard
under
range before moving range across floor.
Failure to do so could cause damage to
floor covering.
Cover countertop,
cooktop or set-in
range with a thick, protective
covering.
Failure to do so may result in property
damage.
Fire Hazard
l
Terminate venting system to outside.
l
Do Not terminate the vent in an attic or
other enclosed space.
Failure to follow these instructions could
result in a fire.
Recommended
ductwork length
Use 3- l/4" x 10" or 7" ductwork with a
maximum length of 26 feet for ductwork
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 ductwork piece
used in the system. See the following
examples.
Ductwork needed for installation is not
included. Wall or roof caps used
mulst
have
backdraff damper.
Determine which outside venting method
needs to be used. NOTE: If a non-vented
(recirculating)
installation is desired, follow
instructions on Panel D.
The length of the ductwork and number of
elbows should be kept to a minimurn to
provide efficient performance.
The size of
the ductwork should be uniform. Do Not
install two elbows together. Use duct tape
to seal all joints in the ductwork system.
Ductwork can terminate either through the
roof or wall. Use caulking to seal exterior
wall or roof opening around exhaust hood.
For the most efficient and quiet operation,
it
is recommended
that the range be vented
vertically through the roof through 7" round
ductwork.
Figures l-4 show common venting methods
and what types of materials are needed.
1
Disconnect and move freestanding
n range from cabinet opening to
provide easier access to upper cabinet and
rear wall. Put a thick, protective
covering
over cooktop, set-in range or countertop
to
protect from damage
or dirt.
2
Determine which venting method
H (roof or wall venting or non-venting)
you need to use. This range hood is shipped
for non-vented
installation.
If non-venting
(recirculating)
installation is
desired, follow instructions on Panel D.
3- l/4" x 10" ductwork system
6ft.+
_
II-
wall cap
Maximum length
= 26 feet
2n.
1 -990" elbow
&
8 feet straight
= 5ft.
= 8ft.
1 -wall
cap
Oft.
=
Length of
3- l/4" x 10" system = 13 ft.
Vented installation
Vertical Roof Venting
roof cap
Recommended
standard fittings
7" round
3.
I
3-114" x IQ" 90"
I
3-114" x 10" flat
3-114" x 10" wall
elbow = 5 ft.
elbow = 12 ft.
cap=oft.
I
damper
located
as far from hood
as possible
Remove screws from vent baffle on top of
range hood. Remove vent baffle.
7" ductwork system
4.
transitton
Maximum length
= 26 feet
1 -transition
= 4.5 ft.
2 - 90" elbows
=lO
ft.
8 feet straight
= 8 ft.
1 -wall
cap
= 0 ft.
Length of 7" system = 22.5 ft.
Recommended
standard fittings
Figure 1
Vertical Roof Venting
rool cap
/
Turn bent baffle and reinsert in slot in top of
range hood so that the word "Vented"
is
facing up. Fasten vent baffle with screws.
3-114" x IO"
through
the roof
--tl
3-114" x 10" to
3-114" x lo" to 7"
7" to 3-114" x 10"
7" = 4.5 n.
90" elbow = 5 ft.
90" elbow = 9 ft.
80
@
0
90" elbow =
I" to 3-114"
45" elbow =
7" wall cap
5
n.
x 10" = i n.
2.5
n.
= 0 n.
knockouts
knockouts
Remove knockout from the wiring opening
(top or rear> to be used.
For rectangular
venting, remove only the
3-l/4" x 10" rectangular
opening knockout.
For round ductwork venting through roof,
remove both opening knockouts.
Figure 2
Horizontal Wall Venting
3-l/4"
x 10"
through
the wall
wall
/
cap
Panel B
Figure 3
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