31-7000173 Rev. 0 3
Installation Instructions
HOOD EXHAUST
The following chart describes an example of one possible
ductwork installation.
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)
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.
* 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.
The following chart describes an example of one possible
ductwork installation.
OUTSIDE BACK EXHAUST (EXAMPLE ONLY)
EQUIVALENT NUMBER
DUCT PIECES
LENGTH x USED = LENGTH
Roof Cap 24 Ft. x (1) = 24 Ft.
12 Ft. Straight Duct 12 Ft. x (1) = 12 Ft.
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Rectangular-to-Round 5 Ft. x (1) = 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.
Total Length = 41 Ft.
EQUIVALENT NUMBER
DUCT PIECES LENGTH* x USED = LENGTH
Wall Cap 40 Ft. x (1) = 40 Ft.
3 Ft. Straight Duct 3 Ft. x (1) = 3 Ft.
(3
1
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90° Elbow 10 Ft. x (2) = 20 Ft.
Equivalent lengths of duct pieces are based on actual tests and
reflect requirements for good venting performance with any vent hood.
Total Length = 63 Ft.
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General
Weight and Dimensions
