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MODELS QTREN090C • QTREN110C
PLAN THE INSTALLATION
ROOF CAP
*
4-IN. (101.6 mm)
ELBOW
*
4-IN. (101.6 mm)
ROUND
DUCT
*
WALL
CAP
*
* Purchase separately
The unit will operate most quietly and efficiently when located where
the shortest possible duct run and minimum number of elbows will be
needed.
Plan to supply the unit with proper line voltage and appropriate power
cable.
3. Attach
damper / duct
connector.
Snap damper / duct
connector onto
housing. Make sure
connector is flush
with top of housing
and damper flap
falls closed.
4. Install 4-inch
(101.6 mm)
round
ductwork.
Connect 4-inch
(101.6 mm) round
ductwork to
damper / duct
connector. Run
ductwork to a roof
cap or wall cap.
Tape all ductwork
connections to
make them secure and air tight.
INSTALL HOUSING & DUCT
1. Bend
housing tabs.
Use pliers to bend
housing
TABS
out
to 90
0
.
2. Mount
housing to
joist.
Hold housing in
place so that the
housing tabs
contact the bottom
of the joist. The
housing mounts
with four (4)
screws or nails.
Screw or nail
housing to joist
through lowest holes in each mounting flange, then through
highest holes. NOTE: Mounting to
I
-JOIST
(shown) requires use
of
SPACERS
(included) between the highest hole of each
mounting flange and the
I
-joist.
SPACER
(use for mounting to
I
-Joist)
I
-JOIST
TABS
