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TYPICAL INSTALLATIONS
Housing
mounted
to I-joists.
Housing
mounted
anywhere
between
trusses using
hanger bars.
Housing
mounted
anywhere
between
I-joists using
hanger bars.
Housing
mounted
to joists.
Housing
mounted
anywhere
between joists
using
hanger bars.
Housing
mounted
anywhere
between
trusses using
hanger bars.
*Purchase
separately.
INSULATION*
(Place around and
over Fan Housing.)
ROOF CAP*
(with built-in
damper)
FAN
HOUSING
POWER
CABLE*
6-IN. ROUND
DUCT*
6-IN.
ROUND
ELBOWS*
Seal gaps
around
Housing.
Seal duct
joints with
tape.
OR
Keep duct
runs short.
WALL CAP*
(with built-in
damper)
Cooking
Equipment
Floor
COOKING AREA
Do not install above or
inside this area.
45º
45º
NOT FOR USE IN
A COOKING AREA.
PLAN THE INSTALLATION
2
Because of the large amount of models covered
by this publication, the illustrations are typical
ones. Some details of your unit may be slightly
different than the ones shown.
MODELS QTXE080C • QTXE090C • QTXE110C
• QTXEN080C • QTXEN090C • QTXEN110C
IMPORTANT - The ducting from this fan to the outside
of the building has a strong effect on the air fl ow, noise and
energy use of the fan. Use the shortest, straightest duct
routing possible for best performance, and avoid installing
the fan with smaller ducts than recommended. Insulation
around the ducts can reduce energy loss and inhibit mold
growth. Fans installed with existing ducts may not achieve
their rated air fl ow.
Use a roof cap or wall cap that has a built-in damper to
reduce backdrafts.
Plan to supply the unit with proper line voltage and
appropriate power cable.
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