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Install Downdraft Vent
Place the downdraft vent into the countertop
cutout, against the back side.
Secure the downdraft to the countertop
supplied brackets. See illustration.
Fasten brackets to top screws on the front
side of the vent, secure to cabinet side wall
just below the countertop. Or,
Fasten one bracket to vent side and secure
to cabinet back wall.
Install two brackets on the bottom of the
vent. Attach brackets to slide screws on
the vent and to the floor using wood screws
(not supplied).
When installing in a tile countertop surface, it may be
necessary to apply a locally approved caulking to cover
any gaps.
Optional method
Secure to cabinet side
with top screw on case
Or use second screw
Secure the lower brackets
to blower housing
Preferred method
Secure the upper
brackets with screws
located on the side of
case and attach to back
of cabinet
Install the Ductwork
Use minimum 26
″
gauge galvanized or 24 gauge
aluminum duct 3
1
⁄
4
″
x 10
″
or 6
″
round. PVC duct
should be used if installing under a poured
concrete slab.
■
DO NOT USE
flexible ducting.
■ Always use appropriate roof or wall cap with
damper. Laundry type wall caps should never
be used.
■ Use the straightest duct run possible.
■ For satisfactory performance the duct run
should not exceed 150 ft. or its equivalent
length when bends or various fittings are used.
Refer to the table of equivalent lengths to
calculate your installation.
■ Install ductwork so the piece of duct nearest the
downdraft unit slots
INTO
the next piece of the
duct. Secure the joints with self-tapping screws
and apply duct tape around the joints to ensure
an airtight seal.
15
Air
Flow
Screw
Duct tape over
seam and screw