113247 - 3
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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.
Horizontal Venting
When horizontal dryer venting is used, the length of the
ductwork from the dryer to the outside exhaust outlet, must
not exceed Dimension A (20 feet [6.096 meters]). The
minimum diameter of this ductwork must be at least
Dimension B (10-inches [25.4 cm] for ADH-75; 16-inches
[40.64 cm] for ADH-120; 20-inches [50.8 cm] for ADH-170).
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.
Vertical Venting
When vertical dryer venting is used, the length of the ductwork
from the dryer to the outside exhaust outlet, must not exceed
Dimension C (20 feet [6.096 meters]). Dimension D
(12-inches [30.48 cm] for ADH-75; 18-inches [45.72 cm] for
ADH-120; 24-inches [60.96 cm] for ADH-170). 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.
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