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EXHAUST INFORMATION
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I
Illlll
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WARNING
- TO REDUCE
THE RiSK OF
FiRE OR PERSONAL
iNJURY:
r
-
This clothes dryer must be exhausted to the outdoors.
-
Use only 4" rigid metal ducting for the home exhaust
duct.
-
Use only 4" rigid metal or UL-listed flexible metal
(semi-rigid or foil-type) duct to connect the dryer to
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the home exhaust duct. It must be installed in
d
accordance with these instructions and local codes.
-
Do not terminate exhaust in a chimney, a wall, a ceil-
I
ing, gas vent, crawl space, attic, under an enclosed
floor, or in any other concealed space of a building.
The accumulated lint could create a fire hazard.
-
Never terminate the exhaust into a common duct
with a kitchen exhaust system. A combination of
grease and lint creates a potential fire hazard.
-
o not use duct longer than specified in the exhaust
length table. Longer ducts can accumulate lint,
creating a potential fire hazard.
-
ever install a screen in or over the exhaust duct.
This will cause lint to accumulate, creating a poten-
tial fire hazard.
-
Do not assemble ductwork with any fasteners that
I
extend into the duct. These fasteners can accumul-
ate lint, creating a potential fire hazard.
-
Do not obstruct incoming or exhausted air.
-
rovide an access for inspection and cleaning of the
exhaust system, especially at turns and joints.
Exhaust system shall be inspected and cleaned at
least once a year.
-
n special installations, it may be necessary to connect
the dryer to the house vent using a flexible metal (foil-
type) duct. A UL-listed flexible metal (foil4ype) duct
I
may be used ONLY in installations where rigid metal or d
flexible metal (semi-rigid) ducting cannot be used AND
where a 4" diameter can be maintained throughout the
entire length of the transition duct. In Canada and in
_
,
the United States, only the,!lexible metal (foil-type)
|
ducts that comply with the Outline for Clothes Dryer
I
,,_'_,_'_mm,_l_,_m'_'_m,_,__
Transition Duct Subject 2158A" shall be used.
,_
EXHAUST
LENGTH
The MAXIMUM ALLOWABLE duct length and number of
bends of the exhaust system depends upon the type of duct,
number of turns, the type of exhaust hood (wall cap), and all
conditions note below. The maximum allowable length for
rigid metal duct is shown in the
table below. More than two 90 °
turns is not recommended. The
total length of flexible metal duct
shall not exceed 8 ft.(2.4 m). In
Canada and in the United States,
the required exhaust duct diameter
is 4in (102mm).
NUMBER
OF 90 °
TURNS
RIGID METAL DUCT
0
4" DIAMETER
2
PREFERRED
4 in.
2 1/in.
MAXIMUM LENGTH
EXHAUST
- HOOD TYPE -
A
B
45 ft.
30 ft.
35 ft.
2O ft.
25 ft.
10 ft.
REAR
EXHAUST
LOCATION
The dryers come ready for rear exhausting.
Units
have separate
exhausts.
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rface.
EXHAUST
SYSTEM
CHECK
LIST
HOOD OR WALL
CAP
,, Terminate
in a manner
to prevent back drafts or
entry of birds or other wildlife.
,, Termination
should
present
minimal
resistance
to the exhaust
air flow and should
require little
or no maintenance
to prevent clogging.
,, Wall caps must be installed
at least 12" above
ground
level or any other obstruction
with the
opening
pointed
down.
SEPARATION
OF TURNS
Separate
all turns by at least 3 ft. of straight
duct,
including
distance
between
last turn and
dampered
wall cap. If two turns must be closer
than 3 ft., deduct
10 ft. from the maximum
lengths
shown in the table for each occurrence.
TURNS
OTHER THAN
90 °
,, One turn of 45 ° or less may be ignored.
,, Two 45 ° turns should
be treated
as one 90 °.
,, Each turn over 45 ° should be treated
as one 90 °.
SEALING
OF JOINTS
All joints should
be tight to avoid leaks. The male
end of each section
of duct must point away
from the dryer.
Do not assemble
the duct work with fasteners
that extend into the duct. They will serve as a
collection
point for lint.
Duct joints can be made air and moisture-tight
by wrapping
the overlapped
joints with duct tape.
INSULATION
Duct work which runs through
an unheated
area
or is near an air conditioning
duct should
be
insulated
to reduce condensation
and lint build up
and be sloped
down toward outdoors.
NOTE:
Never install screen
inside exhaust
duct.
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