MAXIDRY MAXI200, Installation Manual, Page: 36 / 78

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The internal dimensions of the dryer’s rectangular exhaust vent ductwork are 8-inches x 20-inches (20.3 cm x
50.8 cm). A transition piece 20-inches (50.8 cm) in diameter round is supplied. The location’s exhaust duct
must be
the minimum exhaust size requirement of the ductwork (20-inches [50.8 cm] round duct or 315 square
inches [2,032 square centimeters] square duct) from the dryer to the outside exhaust outlet for a horizontal run,
with no more than one (1) elbow
must not exceed 30 feet (9.14 meters) for gas and 20 feet (6.09 meters) for
steam dryers. (Refer to the illustration below and on page 33 .) For locations with more than one (1) elbow, the
minimum exhaust size for a gas or steam model dryer is 24-inches (60.96 cm) round duct (464 square inches
[2,993 square centimeters] duct). The horizontal or vertical duct total run on gas models
must not exceed
50 feet
(15.24 meters) and steam models
must not exceed
25 feet (7.62 meters), which includes the use of no more than
three (3) elbows (refer to the illustrations on page 34 and page 35 ). Should more than the maximum number of
elbows be used or if the run exceeds the maximum limits noted, a professional heating, ventilating, and
air-conditioning (HVAC) firm
should be
consulted for proper venting information.
IMPORTANT:
For extended ductwork runs or where more than the specified number of elbows are
used, a professional HVAC firm
should be contacted for proper venting information.
NOTE: For extended ductwork runs the cross-sectional area of a duct can only be increased to an
extent. In some cases the addition of a booster fan in the ductwork may be necessary.