ADC AD-25 Operator's Manual download pdf (Page 15)

D. FRESH AIR SUPPLY

The AD-25V air supply (makeup air) must be given careful consideration to assure proper performance of each

dryer. An unrestricted source of air is necessary for each dryer. As a general rule, an unrestricted air entrance

from the outdoors (atmosphere) of a minimum of one (1) square foot (0.093 square meters) is required for each

dryer. If registers or louvers are installed over the openings, then the area must be increased. It is not necessary

to have a separate make-up air openings for each dryer. Common make-up air openings are acceptable. How-

ever, they must be set up in such a manner that the make-up air is distributed equally to the dryers.

EXAMPLE: For a bank of eight (8) dryers, two (2) unrestricted openings measuring 2 feet by 2 feet

(0.61 meters by 0.61 meters) (4 square feet [0.372 square meters]) is acceptable.

IMPORTANT: Makeup air openings should not be located in an area directly near where exhaust

vents exit the building.

Allowances must be made for remote or constricting passageways or where dryers are located at excessive

altitudes or predominantly low pressure areas.

IMPORTANT: Makeup air must be provided from a source free of dry cleaning solvent fumes.

Makeup air that is 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 will VOID THE WARRANTY.

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ADC AD-25 Operator's Manual Page 15