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 6.

OUTSIDE TOP EXHAUST (EXAMPLE ONLY)

The following chart describes an example of one possible ductwork installation.

 

EQUIVALENT

 

NUMBER

 

EQUIVALENT

DUCT PIECES

LENGTH

x

USED

=

LENGTH

Roof Cap

24 Ft.

x

(1)

=

24 Ft.

12 Ft. Straight Duct

12 Ft.

x

(1)

=

12 Ft.

(6"Round)

 

 

 

 

 

Rectangular-to-Round

5 Ft.

x

(1)

=

5 Ft.

Transition Adapter*

 

 

 

 

 

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.

*IMPORTANT: If a rectangular-to-round transition adapter 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.

 

 

 

 

 

 

 

 

 

 

 

 

EQUIVALENT

 

NUMBER

 

EQUIVALENT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DUCT PIECES

LENGTH*

x

USED

=

LENGTH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Wall Cap

40 Ft.

x

(1)

=

40 Ft.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3 Ft. Straight Duct

3 Ft.

x

(1)

=

3 Ft.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(314" x 10" Rectangular)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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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