TYPICAL INSTALLATION
CEILING
JOIST, TRUSS,
OR I-JOISTS
CEILING
MATERIAL
Housing mounted directly to joists, trusses, or I-joists.
Up to 24-inches on-center.
PLAN THE INSTALLATION
6-IN. ROUND
DUCT
*
*
Purchase separately
Unit shown connected to 6-inch round ductwork.
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.
®
OER
MOUNTING
CALES
CHANNELS
HOUSING
GRILLE
ROOF CAP
*
6-IN. ROUND
ELBOW
*
INSTALLATION
1. Insert
mounting
brackets.
Slide the (4)
mounting
brackets into the
channels on
each end of the
housing.
2. Mount
housing.
Secure housing
to ceiling
structure with (4)
mounting screws.
Make sure
bottom of
housing will be
flush with
finished ceiling
material.
3. Attach
damper /
duct
connector
to housing.
Snap damper /
duct connector
onto housing.
Make sure
connector is
WALL
flush with top of
CAP
*
housing and damper flap falls closed.
4. Install 6-
inch round
ductwork.
Connect 6-inch
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.
MODELS QTX100HL • QTX110HL
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