10. Remove 3¼" x 10" vertical, 3¼" x 10" horizontal (both are the rectangular central knockout plates, see
hatched areas), or 7-inch round knockout plate as appropriate for your ducting method (see F
1 B).
F
1 A
IGURE
7" ROUND
KNOCKOUT PLATE
(
ALSO REMOVE VERTICAL
)
KNOCKOUT PLATE
3¼"
10"
X
VERTICAL
KNOCKOUT
PLATE
11. Using the screws located on top of the hood (F
the 3¼" x 10" Damper Assembly on top OR back of hood
(if using 3¼" x 10" duct; shaded par in F
or 7" Round Duct Plate (if using 7-inch round duct,
F
4) over the knockout opening. When installed,
IGURE
the 3¼" x 10" damper assembly must open as shown
in F
3 B.
IGURE
F
3 A
IGURE
3¼"
10"
X
DAMPER
ASSEMBLY
3¼"
10"
X
DAMPER
ASSEMBLY
F
4
IGURE
SCREWS
TIP: Insert a small length of duct over the 3¼" x 10" damper assembly (for rectangular ducting) or 7" round (for
round ducting) and seal the joint using aluminum foil duct tape to ease connection with the house ductwork.
DUCTED INSTALLATIONS ONLY
3¼"
10"
X
HORIZONTAL
KNOCKOUT
PLATE
IGURE
3 A below)
IGURE
SCREWS
SCREWS
7" ROUND
DUCT
PLATE
F
1 B
IGURE
F
2
IGURE
2), attach
SCREWS
F
3 B
IGURE
TOP/BACK
EDGE OF
HOOD
NOTE: To accommodate off -center ductwork,
the 7" round duct plate can be
installed up to 1/2" on either side of
the hood center.
9
IGURES
DAMPER
FLAP
PIVOT
BACK OF
HOOD
DAMPER
FLAP
PIVOT
1 A and