Broan ULTRA SILENT QT90E Manual De Instrucciones página 3

INSTALL HOUSING & DUCT
1. Bend
housing
tabs.
Use a pliers to
bend housing
TABS out to 90
0 .
2. Mount
housing to
(use for mounting to I-Joist)
joist.
Hold housing
in place so that
the housing
tabs contact the
bottom of the
joist. The hous-
ing mounts with
four (4) screws
or nails. Screw or
nail housing to joist through lowest holes in each mount-
ing 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.
3. Attach
damper/duct
connector.
Snap damper /
duct connector
onto housing.
Make sure con-
nector is flush with
top of housing and
damper flap falls
closed.
4. Install
4-inch
round duct-
work.
Connect 4-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.
All manuals and user guides at all-guides.com
TABS
SPACER
I-JOIST
CONNECT WIRING
5. Connect electrical wiring.
Run 120 VAC house wiring to installation location. Use
proper UL approved connector to secure house wiring to
wiring plate. Connect wires as shown in wiring diagrams.
MODEL QT90E
Page 3