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The manufacturer declines all responsi-
bility in the event of failure to observe
the instructions given here for installa-
tion, maintenance and suitable opera-
tion of the
product. The manufacturer
further declines all responsibility for in-
jury due to negligence and the warranty
of the unit automatically expires due to
improper maintenance and/or installa-
tion.
(Not applicable if the range hood is used
in recirculing model)
WARNING: Do not vent this appliance
into any other ductwork, spaces between
walls, ceilings, attics, garages or any
other confined space.
External Venting Requirements.
When planning new ductwork, always
look for the most direct route to the out-
side. Venting can be done through the
roof or directly through the back outside
wall.
B E FOR E Y OU BEG I N
D UC TI NG
BEFORE YOU BEGIN: It is advisable to test
run the range hood before installation.
BEFORE STARTING – please read this entire
document and ensure you are fully con-
versant with the require-ments and limi-
tations. These units weigh approximately
125lbs and therefore require a minimum of
two people to install.
Only use rigid type metal ducting (pla-
stic ducting is generally not permit-ted by
code). Flexible ducting could restrict airflow
by up to 50%. Always fasten connections
with sheet metal screws and tape all joints
with certified Silver Tape or Duct Tape.
Do not use screws to fasten ductwork
to the hood, only use tape as the screws
will stop the dampers from opening and
your hood will not work. This hood requi-
res a 6" round duct outlet for the models
with 1 motor, and 8'' for the models with
2 motors. You can increase the duct size
of the duct run but never decrease it.
Use the shortest and most direct route
possible. Always, wherever reduce the
number of transitions and turns with as
few sharp angles as possible.
Two staggered 45 degree angles are bet-
ter than one 90 degree. Make these tur-
ns as far away from the motor exhaust
as possible, with as much space between
each bend as possible.
Duct Run Calculation
The maximum duct run before
the performance of the hood is 100'. Cal-
culate your duct run by measuring linear
feet and adding the elbows, transitions
and caps based on the table alongside.
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