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General information
HOOD EXHAUST
NOTE: Read these next two pages only if you plan to vent your exhaust to the outside. If you plan to recirculate
the air back into the room, proceed to page 11.
OUTSIDE TOP EXHAUST (EXAMPLE ONLY)
The following chart contains an example of one possible ductwork installation.
DUCT PIECES
Equivalent lengths of duct pieces are based on actual tests
and reflect requirements for good venting performance with
any vent hood.
* IMPORTANT: If a rectangular-to-round transition adaptor is used, the bottom corners of the damper will have to be cut to
fit, using the tin snips, in order to allow free movement of the damper.
OUTSIDE BACK EXHAUST (EXAMPLE ONLY)
The following chart contains an example of one possible ductwork installation.
DUCT PIECES
Equivalent lengths of duct pieces are based on actual tests
and reflect requirements for good venting performance with
any vent hood.
NOTE: For back exhaust, care should be taken to align the exhaust with the space between studs, or the wall should be
prepared at the time it is constructed by leaving enough space between the wall studs to accommodate exhaust.
SMH1927_XAC_DE68-04108B-06_EN+CFR.indb 4
SMH1927_XAC_DE68-04108B-06_EN+CFR.indb 4
EQUIVALENT
Roof Cap
12 Ft. Straight Duct
(6˝ Round)
Rectangular-to-Round
Transition Adaptor*
EQUIVALENT
Wall Cap
3 Ft. Straight Duct
(3 ¼˝ x 10˝ Rectangular)
90 ° Elbow
x
NUMBER USED
LENGTH
24 ft.
x
(1)
12 ft.
x
(1)
5 ft.
x
(1)
Total Length
x
NUMBER USED
LENGTH
40 ft.
x
(1)
3 ft.
x
(1)
10 ft.
x
(2)
Total Length
4
EQUIVALENT
=
LENGTH
=
24 ft.
=
12 ft.
=
5 ft.
=
41 ft.
EQUIVALENT
=
LENGTH
=
40 ft.
=
3 ft.
=
20 ft.
=
63 ft.
2022-01-20
2022-01-20
10:19:07
10:19:07
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