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
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, the 3¼" x
10" damper assembly must open as shown in F
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
IGURE
SCREWS
SCREWS
7" ROUND
DUCT
PLATE
F
F
2), attach
SCREWS
3 A below)
IGURE
3 B.
IGURE
F
IGURE
TOP/BACK
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
1 A and 1 B).
IGURES
1 B
IGURE
2
IGURE
3 B
EDGE OF
HOOD
BACK OF
HOOD
DAMPER
FLAP
PIVOT
DAMPER
FLAP
PIVOT