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D. steam coil system operation – ADC AD-200 User Manual

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11. Reverse the procedure for reinstalling the gas valve/manifold assembly to the dryer.

12. Open ALL gas shutoff valves (closed in Step #2).

13. Reestablish electrical power to the dryer.

a. Test ALL connections for leaks.

IMPORTANT: Test ALL connections for leaks by brushing on a soapy water solution (liquid

detergent works well).

WARNING: NEVER TEST FOR LEAKS WITH A FLAME!!!

14. Operate the dryer through one (1) complete cycle to insure proper operation.

D. STEAM COIL SYSTEM OPERATION

General Overview

The steam coil is constantly charged thereby eliminating repeated expansion and contraction and provide instant
heating to start the drying process. The steam damper, located on top of the steam coil, is the only temperature
controlling device in this system. When the steam damper is open, ambient air is drawn through the coil providing
heat to the dryer. When the steam damper is closed, ambient air is drawn directly into the basket (tumbler),
bypassing the coil, allowing a rapid cool down.

NOTE: With the dryer off or no air supply to the damper piston, the damper is in the Cool Down

mode...the coil is constantly charged.