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D. FRESH AIR SUPPLY REQUIREMENTS
This appliance may only be installed in a room that meets the appropriate ventilation requirements specified in
the national installation regulations.
Air supply (make-up air) must be given careful consideration to assure proper performance of each dryer. An
unrestricted source of replenished air in the amount of 600 cfm (17 cmm) is necessary for each dryer. An
unrestricted air entrance from the outdoors (atmosphere) of a minimum of 1 square foot (0.09 square meters) is
required for each dryer. This area must be enlarged if louvers or registers cover the opening. It is not
necessary to have a separate make-up air opening for each dryer. Common make-up air openings are acceptable.
However, they must be set up in such a manner that the make-up air is distributed equally to the dryers. For
example, for a bank of eight (8) dryers, a total make-up opening of 8 square feet (0.74 square meters) is
required. Two (2) openings measuring 2 feet by 2 feet (0.61 meters by 0.61 meters), 4 square feet (0.37 square
meters) are acceptable. The dryer must be installed with provisions for adequate combustion and make-up air
supply.
Allowances must be made for remote or constricting passageways or where dryers are located at excessive
altitudes or predominantly low pressure areas.
IMPORTANT: Make-up air must be provided from a source free of dry cleaning solvent fumes.
Make-up air that is contaminated by dry cleaning solvent fumes will result in
irreparable damage to the motors and other dryer components.
IMPORTANT: Make-up air openings should not be located near ductwork exhaust outlets. If
make-up air opening(s) are too close to the exhaust outlet, lint and fumes may be
drawn back into the dryer area through these openings.
NOTE: Component failure due to dry cleaning solvent fumes will VOID THE WARRANTY.
12
American Dryer Corp.
113066 - 17
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