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IMPORTANT: Exhaust back pressure measured by a manometer at the dryer exhaust duct area
must not exceed 0.3 inches of water column.
NOTE: Careful consideration should be given to where the exhaust duct is located in relation to the
make-up air openings. If make-up air opening is too close to exhaust outlet, lint and fumes
will be drawn back in to the dryer area through these openings.
If the length of the duct work run or quantity of elbows used exceeds the specifications noted in this booklet, the
cross-sectional area of the duct work must be increased in proportion to the number of elbows or duct run added.
IMPORTANT: For extended duct work runs, the cross-sectional area of the duct can only be
increased to an extent. For extended duct work runs, a professional HVAC firm
should be consulted for proper venting information.
Duct work should be laid out in such a manner where allowances are made at the rear of the dryer for removal
of rear service panels/guards.
IMPORTANT: Even though the dryer’s exhaust outlet size is six (6) inches in diameter (at both the
top basket [tumbler] damper duct and the bottom basket [tumbler] elbow where it
leaves the dryer), the minimum connection at the point of exit from the dryer
in ALL cases MUST BE increased. The amount of increase in diameter will
depend on the venting application/layout as described further in this manual.
IMPORTANT: UNDER NO CIRCUMSTANCES CAN THE DRYER BE VENTED TO
THE OUTDOORS USING A 6-INCH DIAMETER EXHAUST DUCT!!!
1. Exhaust Connections of Top and Bottom Baskets (Tumblers)
There is no common venting connection provided with the dryer. Each basket (tumbler) exhaust duct is provided
with its own back draft damper. Each basket (tumbler) can be exhausted directly outdoors independently (refer
to the illustration [MAN2114] on page 16) or connected commonly (“Y”) together (refer to the illustration
[MAN2113] on page 17). Both single or common “Y” duct can be rigid or flexible ducting.