VEN11NG
REQUIREMENTS
Determine
which
venting
method
is
best
for
your
application.
Ductwork
can
extend
either
through
the
wall
or
the
roof.
The
length
of
the
ductwork
and
the
number
of
elbows
should
be
kept
to
a
minimum
to
provide
efficient
performance.
The
size
of
the
ductwork
should
be
uniform.
Do
not
install
two
elbows
together.
Use
ducttape
to
seal
all
joints
in
the
ductwork
system.
Use
caulking
to
seal
exterior
wall
or
floor
opening
around
the
cap.
Flexible ductwork is not
recommended.
Flexibleductwork
creates
back pressure
and
air turbulence that greatly
reduces
performance.
Make
sure
there
is
proper
clearance
within
the
wall
or
floor
for
exhaust
duct
before
making
cutouts.
Do
not
cut
a
joist
or
stud
unless
absolutely
necessary.
If
a
jOist
or
stud
must
be
cut,
then
a
supporting
frame
must
be
constructed.
For
best
results,
remote
blowers
should
transition
to
9"
round
duct
as
soon
as
possible.
If
small
ducting
is
used,
it
should
be
transition
to
9"
round
as
soon
as
possible.
FOR
MORE SPECIFIC DUCTWORK INFORMA-
TION,
GO
TO
PAGE
4.
WARNING
-
To
Reduce
The
Risk Of
Fire,
Use
Only
Metal
Ductwork.
A
WARNING
•
Venting
system
MUST
terminate
outside
the
home.
•
DO
NOT
terminate
the
ductwork
in
an
attic
or
other
enclosed
space.
-
DO
NOT
use
4"
laundry-type
wall
caps.
-
Flexible-type
ductwork
is
not
recommended.
•
DO
NOT
obstruct
the
flow
of
combustion
and
ventilation
air.
-Failure
to
follow
venting
requirements
may
result
in
a
fire.
ELECTRICAL
REQUIREMENTS
A
120
volt,
60
Hz
AC-only
electrical
supply
is
required
on
a
separate
15
amp
fused
circuit.
A
time-clelay
fuse
or
circuit
breaker
is
recommended.
The
fuse
must
be
sized
per
local
codes
in
accordance
with
the
electrical
rating
of
this
unit
as
specified
on
the
seriaVrating
plate
located
inside
the
unit
near
the
field
wiring
compartment.
THIS
UNIT
MUST
BE
CONNECTED
WITH
COPPER
WIRE
ONLY.
Wire
sizes
must
conform
to
the
reqUirements
of
the
National
Electrical
Code,
ANSIINFPA
70
-latest
edition,
and
all
local
codes
and
ordinances.
Wire
size
and
connections
must
conform
with
the
rating
of
the
appliance.
Copies
of
the
standard
listed
above
may
be
obtained
from:
National
Fire
Protection
Association
Batterymarch
Park
Quincy,
Massachusetts
02269
For residential
use
only.
This
appliance
should
be
connected
directly
to
the
fused
disconnect
(or
circuit
breaker)
through
flexible,
armored
or
nonmetallic
sheathed
copper
cable.
Allow
some
slack
in
the
cable
so
the
appliance
can
be
moved
if
servicing
is
ever
nec-
essary.
A
UL
Listed,
1/2"
conduit
connector
must
be
provided
at
each
end
of
the
power
supply
cable
(at
the
appliance
and
at
the
junction
box).
When
making
the
electrical
connection,
cut
a 1
1/4"
hole
in
the
wall.
A
hole
cut
through
wood
must
be
sanded
until
smooth.
A
hole
through
metal
must
have
a
grommet.
SUITABLE
FOR
USE
WITH
SOLID
STATE
SPEED
CON-
TROLS.
WARNING
-
TO
REDUCE
THE
RISK
OF
FIRE,
ELECTRI-
CAL
SHOCK,
OR
INJURY
TO
PERSONS,
OBSERVE
THE
FOLLOWING:
Use
this unit only in
the
manner intended
by
the
manufacturer.
If
you
have
any questions, contact
the
manufacturer.
Before
servicing
or
cleaning unit, switch power off at
service panel and lock
the
service disconnecting
means
to prevent power from being switched on accidentally.
When
the service disconnecting
means
cannot
be
locked,
securely
fasten
a prominent warning device, such as a
tag,
to
the
service panel.
WARNING
-
TO
REDUCE
THE
RISK
OF
SHOCK:
This
fan
must
be
Installed with an Isolating wall controVswitch.
CAUTION:
For
General
Ventilating
Use
Only.
Do
Not
Use
To
Exhaust
Hazardous
or
Explosive Materials and
Vapors.
WARNING
-
TO
REDUCE
THE
RISK
OF
FIRE,
ELECTRI-
CAL
SHOCK,
OR
INJURY
TO
PERSONS,
OBSERVE
THE
FOLLOWING:
Installation WorkAnd Electrical Wiring Must
Be
Done
By Qualified
Person(s)
In
Accordance
With
All
Applicable
Codes
And
Standards,
Including
FIre-Rated
Construction.
Sufficientairis
neededforpropercombustion and
exhaust-
ing
of
gases through
the
flue (chimney)
of
fuel burning
equipment
to
prevent backdrafting. Follow
the
heating
equipment manufacturer's guideline and safety standards
such
as
those
published by
the
National Fire Protection
Association
(NFPA),
andtheAmerlcan SocletyforHeating,
Refrigeration and Air Conditioning Engineers
(ASHRAE),
and
the
local code authorities.
When
cutting or drilling into wall
or
ceiling, do not
damage
electrical wiring and other hidden utilities.
Ducted
fans
must always
be
vented
to
the
outdoors.
A
WARNING
-
Electrical
ground
is
required
on
this
rangehood.
-
If
cold
water
pipe
is
interrupted
by
plastic,
nonmetallic
gaskets
or
other
materials,
DO
NOT
use
for
grounding.
•
DO
NOT
ground
to
a
gas
pipe.
•
DO
NOT
have
a
fuse
in
the
neutral
or
grounding
circuit.
A
fuse
in
the
neutral
or
grounding
circuit
could
result
in
electrical
shock.
•
Check
with
a
qualified
electrician
if
you
are
in
doubt
as
to
whether
the
rangehood
is
properly
grounded.
-
Failure
to
follow
electrical
requirements
may
result
in
a
fire.
Version 05/04 - Page 2
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