1
Step
Install
Downdraft
Vent
Place the downdraft vent into the countertop
cutout, against the back side.
• Secure the downdraft to the countertop
2
• The downdraft blower system is designed for
Step
• Ductwork MUST be vented to the outside –
Install the
Ductwork
• 6" PVC duct should be used when installing
Note: Local building code must be followed
for installation and in specifying approved
type and schedule of PVC duct used.
• DO NOT USE flexible plastic ducting.
• Always use appropriate roof or wall cap with
• Use the straightest duct run possible.
• For satisfactory performance the duct run
Optional Method
Secure to Cabinet
Side With Top
Screw on Case
Or Use Second Screw
Secure the Lower Brackets
to Blower Housing
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.
use with 3-1/4" x 10" ductwork. It can be
transitioned to 6" round.
never into a crawl space, attic or other
enclosed space.
under a concrete slab.
damper. Laundry type wall caps should
never be used.
should not exceed 150 ft. or its equivalent
Installation
Downdraf t Vent Systems
Preferred Method
Secure the Upper
Brackets With Screws
Located on the side of
Case and Attach to
Back Wall of Cabinet
– 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 necessar y to apply a locally
approved caulking to cover any gaps.
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.
Air
Flow
Duct Tape
Over Seam and Screw
Screw
15
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