American Dryer Corp. ML-75HS - Manual (Page 37)

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3. STEAM DAMPER AIR SYSTEM CONNECTIONS
The MLS-75 is manufactured with a pneumatic (piston) damper system which requires an external
supply of compressed air. The air connection is made to the steam damper solenoid valve which is
located at the rear inner top area of the dryer just in front of the electric service relay box.
a. Air Requirements
b. Air Connection
Air connection to system --- 1/8-inch N.P.T.
c. No air regulator or filtration is provided with the dryer. External regulation/filtration of 80 psi must be
provided. It is suggested that a regulator/filter gauge arrangement be added to the compressed air line just
before the dryer connection. This is necessary to insure that correct and clean air pressure is achieved
.
Compressed Air Supply Air Pressure
Normal 80 psi
Minimum Supply 70 psi
Maximum Supply 90 psi