Installation Steps - Broan QT DC Serie Instructions

Some models only:
1 1
Select 110, 130 or 150
CFM based on your
room size and
desired
air flow.
Screws from
Plug-in and
1 2
secure blower
to housing.
Mount housing
3a
1
to joist.
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
mounting flange flush with
the bottom of 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.
Mount housing anywhere between trusses,
3b
1
joists, or I-joists using hanger bars.
Sliding hanger bars are provided to allow for accurate positioning of hous-
ing anywhere between framing. They can be used on all types of framing
(I-joist, standard joist, and truss construction) and span up to 24".

INSTALLATION STEPS

110 130 150
2
parts bag
I-JOIST
OR
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 mounting flange
flush with bottom of joist.
1
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.
SPACER
(use for
mounting Attach damper/duct connector.
1 4
to I-Joist)
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.
3
SCREW FROM PARTS BAG