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6” round
duct
Side View
Cut-Out
Bottom View
Note: The Inca HC comes standard in the
top vent position. The direct rear vent
position can be achieved by rotating the
blower housing.
Dimensional Diagrams
Rev.05/04
WARNING! Product specifications are subject to change without notification. Consult the installation instructions before
you begin installing this rangehood.
Make your ductrun as straight and short
as possible. The ductrun should not
exceed 35 equivalent feet if ducted with
the required minimum of 6" round duct.
Count 45º angles as 3 feet, 90º elbows
as 5 feet, and 90º flat elbows as 12 feet.
For best results, use no more than
three 90
°
elbows. Make sure that
there is a minimum of 24" of straight
duct between elbows if more than
one is used. Do not install two
elbows together. If you must elbow
right away, do it as far away from the
hood's exhaust opening as possible.
For more efficient airflow when
venting to the rear: Rotate the Inca
HC blower housing so that the 6”
round exhaust outlet faces the back,
rather than running ductwork up and
elbowing back.
Pre-Planning Your Ductwork -
Important: Consult the installation instructions before you begin installing this rangehood.
Recirculating Installations
Front View
For installations where ductwork is impossible or highly impractical Charcoal Filters, which
attach to the blower assembly, absorb smoke and odors.
cabinet
ceiling
hood
cabinet
ceiling
soffit
vent grate
vent grate
Some ductwork must
be installed
to exhaust
the rangehood back into
the kitchen, either at the
top of the cabinet or at the
face of the soffit. A plastic
vent grate supplied with
the rangehood can be
used to cover the duct
opening. This duct work
must not terminate into a
dead air space.
6” round
duct