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Complete Installation
NOTE: The downdraft vent system is supplied with a 3¹⁄₄" x 10"
(8.3 x 25.4 cm) back draft damper and a 6" (15.2 cm) round vent
transition with damper. Refer to “3¹⁄₄" x 10" (8.3 x 25.4 cm) back
draft damper” or “6" (15.2 cm) round vent transition with
damper,” depending upon the type of venting you are using.
3¹⁄₄" x 10" (8.3 x 25.4 cm) Back Draft Damper
1. Attach the 3¼" x 10" (8.3 x 25.4 cm) back draft damper to the
vent opening in the blower motor box, using three
3.5 x 9.5 mm screws.
6" (15.2 cm) Round Vent Transition With Damper
1. Attach the 6" (15.2 cm) round vent transition to vent opening
(left or right side venting only is recommended), using two
3.5 x 9.5 mm screws.
2. Remove 4 screws attaching the terminal box cover.
3. Determine which direction (front or rear) the home power
supply cable will enter the terminal box. Remove the
appropriate knockout from the front or rear panel and install a
¹⁄₂" (12.7 mm) UL listed or CSA approved conduit connector.
4. Using 2 or more people, insert the downdraft vent into the
countertop cutout. Position downdraft vent so it is centered
in the cutout with the rear flange over the edge of the cutout
and the rear of the vent box against the edge of the cutout.
5. Drill 2 pilot holes through each of the undercounter mounting
brackets into the underside of the countertop. Using 2 screws
(not provided) of the appropriate length, mount the brackets
to the countertop.
IMPORTANT: Select a screw length that will not allow the
screws to go through the countertop when tightened.
6. Check that the downdraft vent is level vertically. Loosen the
lower support legs screws and position the legs against the
cabinet floor.
A. 3.5 x 9.5 mm screws
B. 3¼" x 10" (8.3 x 25.4 cm)
back draft damper
A. 3.5 x 9.5 mm screws
B. 6" (15.2 cm) round vent transition with damper
A. Terminal box cover
A
A
B
A
B
A
A.Rear flange of downdraft vent
B.Edge of cutout in countertop
C. Rear of downdraft vent
D.Cabinet back
E.Lower support leg
F. Cabinet floor
G. Countertop
A. Screws
B. Backsplash
C. Countertop
A
C
B
D
E
F
G
A
B
C