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INSTALLATION MANUAL
INSTALLATION
12
3¼” x 14” DUCTED INSTALLATION ONLY
TIP: Insert a small length of duct over the 3¼” x 14” damper assembly and seal the joint using
aluminum foil duct tape to ease connection with the house ductwork.
12 ] Remove 3¼” x 14” vertical or 3¼” x 14” horizontal knockout plate as appropriate for
your ducting method (see FIGURES 1 A and 1 B).
3¼” X 14”
VERTICAL
KNOCKOUT
PLATE
3¼” X 14”
HORIZONTAL
KNOCKOUT
PLATE
FIGURE 1 A
3¼” X 14”
DAMPER
ASSEMBLY
TOP/BACK
EDGE OF
HOOD
DAMPER
FLAP
PIVOT
SCREWS
FIGURE 3 A FIGURE 3 B
FIGURE 1 B
3¼” X 10”
DAMPER
ASSEMBLY
BACK OF
HOOD
DAMPER
FLAP
PIVOT
SCREWS
13 ] Using the screws located on top of the
hood (FIGURE 2), attach the 3¼” x 14”
Damper Assembly on top OR back of hood
(see FIGURE 3 A below) over the knockout
opening. When installed, the 3¼”x 14”
damper assembly must open as shown in
FIGURE 3 B.
SCREWS
FIGURE 2
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