Installation Instructions
[] INSTALL THE DOWNDRAFT VENT
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
Place the downdraft vent into the
countertop cutout, against the back side.
[] Secure the downdraft to the countertop
supplied brackets. See illustration.
[] Fasten 2 brackets to vent side and secure
to cabinet back wall.
[] Install 2 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.
[] INSTALL THE DUCTWORK
Use minimum 26" gauge galvanized or
24 gauge aluminum duct 31/4" x 10" or
6" round. PVC duct should be used if
installing under a poured concrete slab.
O DO NOT USE flexible ducting.
Always use appropriate roof or wall
cap with damper. Laundry type wall
caps should never be used. See the
Ductwork Length and Duct Fittings
chart.
Use the straightest duct run possible.
For satisfactory performance the duct
run should not exceed 150 feet or its
equivalent length when bends or
various fittings are used. Refer to the
table of equivalent lengths to calculate
your installation.
_Duct tape over
seam and screw
Airflow
Screw
• 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
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