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3. Steam Damper Air System Connections
The pneumatic (piston) damper system requires a clean, dry, regulated external supply of compressed air.
The air connection is made to the system solenoid valve which is located on the rear electric service box.
2) Air Connection
Air connection to system --- 1/8" N.P.T.
3) Air Regulation
No air regulation is provided with the dryer. External regulation of 80 psi must be provided. It is
suggested that a regulator / filter gauge arrangement be added to the compresses air line just before
the dryer connection. This is necessary to insure that correct and clean air pressure is achieved.
3. Steam Damper System Operation
The steam damper, as shown in the illustration below, allows the coil to stay constantly charged eliminating
repeated expansion and contraction. When the damper is opened, the air immediately passes through the
already hot coil, providing instant heat to start the drying process. When the damper is closed, ambient air is
drawn directly into the basket (tumbler), allowing a rapid cool down.
1) Air Requirements
There is no air requirement for dryers with the electromechanical damper option.
COMPRESSED AIR SUPPLY AIR PRESSURE
Normal 80 psi
Minimum Supply 70 psi
Maximum Supply 90 psi