American Dryer AD-120ES manual Steam Coil PH Level, Steam Requirements , High Pressure

H. STEAM INFORMATION

It is your responsibility to have ALL steam plumbing connections made by a qualified professional to assure that the installation is adequate and conforms with 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 ADS-120ES is manufactured with a pneumatic (piston) damper system which requires an external supply of clean, dry, regulated air (80 psi +/- 10 psi). Refer to Steam Damper Air System Connections, Section H, item 3.

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

a.Inlet ---- 1-1/4-inch supply line connection --- qty. one (1) at top manifold.

b.Return -- 1-1/4-inch return line connection --- qty. one (1) at bottom manifold.

Operating Steam Pressure

Maximum	125 psig
Minimum	100 psig
Heat Input (Normal Load)	13 Bhp
Consumption (Approximate)	450 lbs/hr

3.INSTALLATION INSTRUCTIONS

To insure that an adequate supply of steam is provided, be sure that the steam supply and steam return lines are sized and laid out as stipulated in this manual. Inadequate steam supply and steam return lines are sized and laid out as stipulated in this manual. Inadequate steam supply and steam return lines or improper steam plumbing will result in poor performance and can cause component failure. Clean, dry, regulated steam must be provided to the dryer.

IMPORTANT: Steam coil failure due to water hammer by wet steam will VOID THE WARRANTY.

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