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MODELS QTXEN080FLT • QTXEN110FLT • QTXEN150FLT
TYPICAL INSTALLATIONS
Housing mounted to I-joists.
Housing mounted anywhere
between trusses using hanger bars.
PLAN THE INSTALLATION
The unit will operate most quietly and efficiently when lo-
cated where the shortest possible duct run and minimum
number of elbows will be needed.
Use a roof cap or wall cap that has a built-in damper to
reduce backdrafts.
Plan to supply the unit with proper line voltage and appro-
priate power cable.
Housing mounted anywhere
between I-joists using hanger bars.
Housing mounted to joists.
Housing mounted anywhere
between joists using hanger bars.
Housing mounted anywhere between
trusses using hanger bars.
INSTALL HOUSING & DUCT
1a. Mount
housing to
joist or
I
-
joist.
Use a pliers to
bend housing
TABS
out to
90
0
. 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:
SPACER
(use for mounting to I-Joist)
TABS
I
-JOIST
Mounting to
I
-JOIST
(shown) requires use of
SPACERS
(included) between the highest hole of each
mounting flange and the
I
-joist.
ROOF CAP
*
6-IN. ROUND
ELBOW
*
6-IN. ROUND
DUCT
*
WALL
CAP
*
*
Purchase
separately
OR
