NuTone QTXEN110S Fan User Manual


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Page 2
MODEL QTXEN110S
TYPICAL INSTALLATIONS
Housing mounted to
I-joists.
Housing mounted anywhere
between trusses using hanger
bars.
PLAN THE INSTALLATION
1. Choose the
installation
location.
The location of
your humidity
sensing fan is
very important.
Use the follow-
ing guidelines
for best opera-
tion:
Housing mounted anywhere be-
tween I-joists using hanger bars.
Housing mounted to joists.
Housing mounted anywhere be-
tween joists using hanger bars.
Housing mounted anywhere be-
tween 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 hous-
ing in place so
that the hous-
ing tabs con-
tact 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 mount-
ing flange,
then through
highest holes.
SPACER
(use for mounting to I-Joist)
TABS
I-JOIST
NOTE: Mounting to I-JOIST (shown) requires use of
SPACERS (included) between the highest hole of each
mounting flange and the I-joist.
OR
• Locateunitabove(GFCIprotectedcircuitrequired)or
within 5 feet of shower head.
• Locateunitawayfromheatingorcoolingsources
which can affect humidity levels.
• Donotlocatenearwindow.Unitmayrespondtothe
outdoor humidity level.
• Unitmustbeinstalledinceilingtoproperlysense
moisture.
• Locateunitonlyonflatceilingsupto12feethighfor
proper sensing.
• Thefanwilloperatemostefficientlywhenlocated
where the shortest possible duct run and minimum
number of elbows will be needed.
2. Plan the wiring.
• Plantosupplytheunitwithproperlinevoltageand 
appropriate power cable. Power cable should be
routed to the switch box first and then to the unit
(See “CONNECT WIRING” on page 3).
• Donotoperatethisunitwithaspeedcontrol.
Damage to the sensor unit will result.
ROOF
CAP
*
6-IN. ROUND
ELBOW(S)
*
6-IN.
ROUN
DUCT
*
WALL
CAP
*
*
Purchase
separately
INSULATION
(Can be placed
around and over fan
housing.)
FAN
HOUSING
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