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9
DUCTED INSTALLATIONS ONLY
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 FIGURES 1 A and 1 B).
7” ROUND
DUCT
PLATE
3¼” X 10”
DAMPER
ASSEMBLY
SCREWS
FIGURE 3 A
TOP/BACK
EDGE OF
HOOD
DAMPER
FLAP
PIVOT
FIGURE 3 B
3¼” X 10”
DAMPER
ASSEMBLY
BACK OF
HOOD
DAMPER
FLAP
PIVOT
SCREWS
7” ROUND
KNOCKOUT PLATE
(ALSO REMOVE VERTICAL
KNOCKOUT PLATE)
3¼” X 10”
VERTICAL
KNOCKOUT
PLATE
3¼” X 10”
HORIZONTAL
KNOCKOUT
PLATE
FIGURE 1 A FIGURE 1 B
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.
SCREWS
FIGURE 2
11. Using the screws located on top of the hood (F
IGURE 2), attach
the 3¼” x 10” Damper Assembly on top OR back of hood
(if using 3¼” x 10” duct; shaded par in F
IGURE 3 A below)
or 7” Round Duct Plate (if using 7-inch round duct, F
IGURE
4) over the knockout opening. When installed, the 3¼” x
10” damper assembly must open as shown in FIGURE 3 B.
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.
FIGURE 4
SCREWS
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