Broan QT DC Series Quick Start Manual page 3

Mount housing anywhere between trusses,
3b
1
joists, or I-joists using hanger bars.
Sliding hanger bars are provided to allow for accurate posi-
tioning of housing anywhere between framing. They can be
used on all types of framing (I-joist, standard joist, and truss
construction) and span up to 24" .
Attach the MOUNTING CHANNELS to the housing using the
SCREWS supplied.
Extend HANGER BARS
to the width of the
framing.
Hold housing in place
so that bottom edge of
housing will be flush
with finished surface of
ceiling. For 1/2" thick
ceiling material, position
bottom of each mount-
ing flange flush with
bottom of joist.
To ensure a noise-free
mount: Secure hang-
ing bars together with
SCREWS and use a
pliers to crimp mounting
channels tightly around
hanger bars.
Attach damper/duct connector.
1 4
INSERT
TAB INTO
SLOT IN
HOUSING
TOP AND BOTTOM FLANGES
REMAIN OUTSIDE OF HOUSING
Install 6-inch round ductwork.
1 5
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.
Connect wiring.
1 6
1
2
Connect power cable to
wiring plate (from parts bag)
using UL approved connector.
Connect house wiring to
fan wiring. Refer to wiring
diagrams for connection
details. Use screw (from parts
bag) to secure wiring plate to
fan housing. Re-install wiring
panel and secure with screw
from parts bag.
3
SCREW FROM PARTS BAG
1
Attach cable clamp to
Knockout Plate. Knockout
Plate mounts to outside of
Housing and may be oriented
as desired.
2
Connect wires
Screw from
Parts Bag
3
4