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VENTILATION FAN MODEL QTXEN150C
TYPICAL
INSTALLATIONS
Housing
mounted to
I-joists.
Use I-joist
spacer blocks
(provided).
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 to
truss.
HOUSING
MOUNTING
TABS
CEILING
MATERIAL
POWER CABLE
TRUSS
GRILLE
BH0033A
PLAN THE INSTALLATION
Cooking
Equipment
Floor
COOKING AREA
Do not install above or
inside this area.
45º
45º
NOT FOR USE IN
A COOKING AREA.
*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)
The ducting from this fan to the outside of the building has a strong effect on the
air flow, 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 airflow.
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