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10 American Dryer Corp. 113362-11
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A = 20 feet (6.096 meters)
B = 16-inches (40.64 cm)
C = 20 feet (6.096 meters)
D = 18-inches (45.72 cm)
NOTE 1 Opening must be 2-inches (5.08 cm) larger than the duct (all the way
around). The duct must be centered within this opening.
NOTE 2 Distance should be 2 times the diameter of the duct to the nearest
obstruction.
NOTE 1 Opening must be 2-inches (5.08 cm) larger than the duct (all the way
around). The duct must be centered within this opening.
NOTE 2 Distance should be 2 times the diameter of the duct to the nearest
obstruction.
Single Dryer Venting
Important
For extended ductwork runs, the cross-sectional
area of the ductwork can only be increased to an
extent. When the ductwork approaches the maximum
limits as noted in this manual, a professional HVAC firm
should be consulted for proper venting information.
Horizontal Venting
When horizontal dryer venting is used, the length of the
ductwork from the dryer to the outside exhaust outlet, must
not exceed 20 feet (6.096 meters). The minimum diameter
of this ductwork must be at least 16-inches (40.64 cm).
Including tumbler/dryer elbow connections or elbows used
for outside protection from the weather, no more than 1 elbow
should be used in the exhaust duct run. If more than 1 elbow
is used, the cross-sectional area of the ductwork must be
increased.
Outside Ductwork Protection
To protect the outside end of the horizontal ductwork from the
weather, a 90° elbow bent downward should be installed
where the exhaust exits the building. If the ductwork travels
vertically up through the roof, it should be protected from the
weather by using a 180° turn to point the opening downward.
In either case, allow at least twice the diameter of the duct
between the duct opening and the nearest obstruction (refer
to the diagram below).
Important
Do not use screens, louvers, or caps on the
outside opening of the exhaust ductwork.
Vertical Venting
When vertical dryer venting is used, the length of the ductwork
from the dryer to the outside exhaust outlet, must not exceed
20 feet (6.096 meters). The minimum diameter of this
ductwork must be at least 18-inches (45.72 cm) even though
the dryer exhaust duct connection is only 16-inches (40.64
cm). Including tumbler/dryer elbow connections or elbows
used for outside protection from the weather, no more than 3
elbows should be used in the exhaust duct run. If more than
3 elbows are used, the cross-sectional area of the ductwork
must be increased.