INST
ALLA
TION MANUAL
INST
ALLA
TION
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
F
IGURES
1 A
and
1 B
).
3¼”
X
14”
VERTICAL
KNOCKOUT
PLATE
3¼”
X
14”
HORIZONTAL
KNOCKOUT
PLATE
F
IGURE
1 A
3¼”
X
14”
DAMPER
ASSEMBLY
TOP/BACK
EDGE OF
HOOD
DAMPER
FLAP
PIVOT
SCREWS
F
IGURE
3 A
F
IGURE
3 B
F
IGURE
1 B
3¼”
X
10”
DAMPER
ASSEMBLY
BACK OF
HOOD
DAMPER
FLAP
PIVOT
SCREWS
13 ]
Using the screws located on top of the
hood (
F
IGURE
2
), attach the 3¼” x 14”
Damper Assembly on top OR back of hood
(see
F
IGURE
3 A
below) over the knockout
opening. When installed, the 3¼” x 14”
damper assembly must open as shown in
F
IGURE
3 B
.
SCREWS
F
IGURE
2
