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WARNING
A drying tumble dryer produces
combustible lint. To reduce the risk of
fire, the tumble dryer must be exhausted
to the outdoors.
To reduce the risk of fire, DO NOT use
plastic or thin foil ducting to exhaust the
tumbler.
To reduce the risk of fire and
accumulation of combustible gases, DO
NOT exhaust tumble dryer air into a
window well, gas vent, chimney or
enclosed, unventilated area such as an
attic wall, ceiling, crawl space under a
building, or concealed space of a
building.
Layout
Whenever possible, install tumble dryers along an
outside wall where duct length can be kept to a
minimum, and make-up air can be easily accessed.
Construction must not block the airflow at the rear of
the tumble dryer. Doing so would prevent adequate air
supply to the tumble dryer combustion chamber.
Make-Up Air
A tumble dryer is forced air exhausted and requires
provisions for make-up air to replace air exhausted by
tumble dryer.
IMPORTANT: Do not obstruct flow of combustion
and ventilation air.
Required Make-Up Air Opening
(to the outside) for Each Tumble Dryer
Model
050 Series
075 Series
F75 Series
Make-up air openings with louvers will restrict
airflow. The opening must be increased to compensate
for area taken up by louvers.
32
Exhaust Requirements
W057R1
W773
W059R1
Opening
2
2
144 in.
(3658 mm
)
2
2
195 in.
(4953 mm
)
2
2
250 in.
(6350 mm
)
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
Make-up air openings in rooms containing tumble
dryer(s) and/or gas fired hot water heater or other
gravity vented appliances must be increased
sufficiently to prevent downdrafts in any of the vents
when all tumble dryers are in operation. Do not locate
gravity vented appliances between tumble dryer(s) and
make-up air openings. If it is necessary to duct make-
up air to tumble dryer(s), increase area of duct work by
25% to compensate for restrictions in air movement.
Venting
WARNING
To reduce the risk of fire due to increased
static pressure, we do not recommend
installation of in-line secondary lint filters
or lint collectors. If secondary systems
are mandated, frequently clean the
system to assure safe operation.
IMPORTANT: Installing in-line filters or lint
collectors will cause increased static pressure.
Failure to maintain the secondary lint system will
decrease tumble dryer efficiency and may void
machine warranty.
For maximum efficiency and minimum lint
accumulation, tumble dryer air must be exhausted to
the outdoors by the shortest possible route.
Proper sized exhaust ducts are essential for proper
operation. All elbows should be sweep type. Exhaust
ducts must be assembled so the interior surfaces are
smooth, so the joints do not permit the accumulation
of lint. DO NOT use plastic, thin foil or Type B ducts -
rigid metal ducts are recommended. Use exhaust ducts
made of sheet metal or other noncombustible material.
DO NOT use sheet metal screws or fasteners on
exhaust pipe joints which extend into the duct and
catch lint. Use of duct tape or pop-rivets on all seams
and joints is recommended, if allowed by local codes.
Verify that old ducts are thoroughly cleaned out before
installing new tumble dryer(s).
WARNING
Improperly sized or assembled ductwork
causes excess back pressure which
results in slow drying, lint collecting in
the duct, lint blowing back into the room,
and increased fire hazard.
W749
W355
70457901ENR7
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