4
PREPARATION
Tools Required for Assembly (not included): Hammer,
Flathead Screwdriver, Wire Nuts, Nails, Duct Tape,
Phillips Head Screwdriver, Utility Knife
Helpful Tools (not included): Electric Drill, Drill Bits
WARNING: Turn off electricity at breaker box
before beginning installation.
Carefully remove unit from carton.
Check area above installation location to be sure that
wiring can run to the planned location and that duct
proper ventilation.
Inspect duct work and wiring before proceeding with
installation.
Before installation, provide inspection and future
maintenance access at a location that will not
interfere with installation work.
You may need the help of a second person to install
this fan: one person on the attic side and one on the
room side.
Note: Installations may vary depending on how the
previous bath fan was installed. Supplies necessary
for the installation of your bath fan are not all included.
However, most are available at your local home
improvement or hardware store.
Roof cap
(with built-in
damper)
Seal gap
around
housing
Caulk termination
to duct
Fan housing
Short piece of flexible
duct helps alignment
and absorbs sound
or
Wall cap
(with built-in
damper)
Wall cap
(with built-in
damper)
Proper insulation around the fan to minimize building
heat loss and gain. 6” circular duct is recommended
for installation. The ducting from this fan to
the outside of building has a strong effect on the
shortest, straightest duct routing possible for best
performance,and avoid installing the fan with smaller
ducts than recommended. Insulation around the ducts
can reduceenergy loss and inhibit mold growth. Fans
installed with existing ducts may not achieve their rated
)
d
e
ri
u
q
e
r
t
i
u
c
ri
c
d
e
t
c
e
t
o
r
p
-I
C
F
G
(
e
v
o
b
a
t
i
n
u
e
t
a
c
o
L
or within 5 feet of the 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.
proper sensing.
For humidity sensing models only
(SIG80-110H, SIG80-110MH,
SIG80-110HLED, SIG80-110MHLED)
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.
External timer/dimmer switch can be used please
contact Delta Breez customer service and consult
with a licensed electrician for compatibility .
2~3 ft straight run
before elbow
