TYPICAL INSTALLATIONS
Housing mounted to I-joists.
Housing mounted to joists.
Housing mounted anywhere
between trusses using hanger bars.
MODELS QTXEN080FLT • QTXEN110FLT • QTXEN150FLT
Housing mounted anywhere
between I-joists using hanger bars.
Housing mounted anywhere
between joists using hanger bars.
Housing mounted anywhere between
trusses using hanger bars.
PLAN THE INSTALLATION
ROOF CAP
6-IN. ROUND
*
DUCT
6-IN. ROUND
*
Purchase
ELBOW
separately
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.
INSTALL HOUSING & DUCT
1a. Mount
housing to
joist or I-
joist.
Use a pliers to
bend housing
TABS out to
90
. Hold
0
housing in
place so that
the housing
tabs contact the
bottom of the
joist. The
(use for mounting to I-Joist)
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.
Page 2
*
WALL
CAP
*
TABS
SPACER
I-JOIST
OR
*