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24 American Dryer Corp. 113406-1
H. STEAM INFORMATION
It is your responsibility to have ALL steam plumbing connections made by a qualified professional to ensure that
the installation is adequate and conforms to local and state regulations or codes.
IMPORTANT: Failure to comply with the requirements stipulated in this manual can result in
component failure, which will
VOID THE WARRANTY.
NOTE: The dryer is manufactured with a pneumatic (piston) damper system, which requires an
external supply of clean, dry, regulated air (80 psi +/- 10 psi [5.51 bar +/- 0.68 bar]). Refer
to Steam Damper Air System Connections,
Section H, item 4.
1. Steam Coil pH Level
The normal pH level for copper type steam coils must be maintained between a value of 8.5 to 9.5. For
steel type steam coils the pH level must be maintained between a value of 9.5 to 10.5. These limits are set
to limit the acid attack of the steam coils.
IMPORTANT: Coil failure due to improper pH level will VOID THE WARRANTY.
2. Steam Requirements – High Pressure
Inlet ________ 1-1/2” supply line connection _____ one (1) at top manifold.
Return ______ 1-1/2” return line connection _____ one (1) at bottom manifold.
Shaded areas are stated in metric equivalents
* The minimum operating pressure for optimum results is 100 psig (689.47 kPa).
3. Installation Instructions
To ensure an adequate supply of steam is provided, be sure that the steam supply lines and steam return
lines are sized and laid out as stipulated in this manual. Inadequate steam supply lines and steam return
lines or improper steam plumbing will result in poor performance and can cause component failure. Clean,
dry steam must be provided to the dryer.
IMPORTANT: Steam coil failure due to water hammer by wet steam will VOID THE WARRANTY.
Operating Steam Pressure
Maximum 125 psig*
861.84 kPa
Heat Input (Normal Load) 19 Bhp
Consumption (Approximate) 725 lbs/hr
328.85 kg/hr