American Dryer Corp. 30 lb. Stacked Models - Manual (Page 10)

r - 3FT H 3 FT 1
T
2 FT
MAKE UP AIR OPENINGS
2 FT
TYPICAL INSTALLATION SHOWING MAKE-UP AIR OPENINGS
IMPORTANT: MAKE-UP AIR MUST BE
PROVIDED FROM A SOURCE FREE OF
DRY CLEANING SOLVENT FUMES.
MAKE-UP AIR CONTAMINATED BY DRY
CLEANING
SOLVENT FUMES WILL
RESULT IN IRREPARABLE DAMAGE TO
MOTORS AND
OTHER DRYER
COMPONENTS.
NOTE: Component failure due to dry
cleaning solvent fumes voids the
warranty.
EXHAUST REQUIREMENTS
Exhaust duct work should be designed
and installed by a qualified professional.
Improperly sized duct work will create
excessive back pressure which results in
slow drying, increased use of energy,
overheating of the dryer, and shutdown of
the burner by the airflow (sail) switches,
burner hi-limits, or tumbler hi-heat
protector thermostats.
CAUTION: Improperly sized or installed
exhaust duct work can create a potential
fire hazard.
1. Single Dryer Venting
Where possible, it is suggested to
provide a separate exhaust duct for
each dryer. The exhaust duct work
should be laid out in such a way that
the duct work travels as directly as
possible to the outdoors with as few
turns as possible. It is suggested that
the use of 90 degree turns in ducting
be avoided; use 30 degree or 45
degree angles instead. The shape of
the exhaust duct work is not critical so
long as the minimum cross section
area is provided.
IMPORTANT: Exhaust back pressure
measured by a manometer at the
dryer exhaust duct area should not
exceed 0.3 inches water column when
both tumblers are operating.
It is suggested that the duct work from
each dryer not exceed 20 feet with no
more than two (2) elbows.