Kenmore 40180099010 Installation Instructions Manual page 4

Installation Instructions
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 describes an example of one possible ductwork installation.
DUCT PIECES
Roof Cap
12 Ft. Straight Duct (6"
Round)
EQUIVALENT NUMBER
LENGTH x USED
24 Ft. x (1)
12 Ft. x (1)
[]
Rectangular-to-Round 5 Ft.
Transition Adaptor*
Equivalent lengths of duct pieces are based on actual
tests and reflect requirements for good venting
performance with any vent hood.
x (1)
Total Length
EQUIVALENT
= LENGTH
= 24 Ft.
= 12 Ft.
= 5 Ft.
= 41 Ft.
* 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 describes an example of one possible ductwork installation.
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)
DUCT PIECES
Roof Cap
3 Ft. Straight Duct
(3¼"x 10"
Rectangular)
EQUIVALENT NUMBER
LENGTH* x USED
40 Ft. x (1)
3Ft. x (1)
(_ 90 ° Elbow 10 Ft.
Equivalent lengths of duct pieces are based on actual
tests and reflect requirements for good venting
performance with any vent hood.
x (2)
Total Length
EQUIVALENT
= LENGTH
= 4O Ft.
= 3 Ft.
= 2O Ft.
= 63 Ft.
NOTE: For back exhaust, care should be taken to align exhaust with space between studs, or wall should be
prepared at the time it is constructed by leaving enough space between the wall studs to accommodate
exhaust.
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