American Dryer Corp. ML-310 - Manual (Page 39)

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4. Steam Damper Air System Connections
The dryer is manufactured with a pneumatic (piston) damper system which requires an external supply of
compressed air. The air connection is made at the left hand side on top of the dryer.
a. Air Requirements
b. Air Connection
Air connection to system --- 1/8-inch F.P.T.
c. No air regulation is provided with a standard dryer. External regulation/filtration of 80 PSI (5.51 bars)
must be provided. It is suggested that a filter/regulator/gauge (F/R/G) 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. The F/R/G is provided on dryers with the optional automatic door or the
optional sprinkler circuit.
Compressed Air Supply Air Pressure
Normal 80 PSI 5.51 bars
Minimum Supply 70 PSI 4.82 bars
Maximum Supply 90 PSI 6.20 bars
Shaded areas are stated in metric equivalents