ADC AD-464 Installation Manual download pdf (Page 27)

E. FRESH AIR SUPPLY REQUIREMENTS

When the dryer is operating, it draws in room air, heats this air through the basket (tumbler), and exhausts it out

of the building. Therefore, the room air must be continually replenished from the outdoors. If make-up air is

inadequate, drying time and efficiency

will be adversely affected, and safety will be compromised. Premature

component failure may result.

Air supply (make-up air) must be given careful consideration to assure proper performance of each dryer. An

unrestricted source of air is necessary for each dryer. An airflow of 13,000 cfm (368 cmm) must be supplied to

each dryer. As a general rule, an unrestricted air entrance from the outdoors (atmosphere) of a minimum 20

square feet (6.096 square meters) is required for each dryer.

To compensate for the use of registers or louvers used over the openings, the make-up air area must be

increased by approximately thirty-three percent (33%). Make-up 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

altitude or predominantly low pressure areas. The dryer must be installed with provisions for adequate combustion

and make-up air supply.

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.

NOTE: Component failure due to dry cleaning solvent fumes will VOID THE WARRANTY.

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ADC AD-464 Installation Manual Page 27