American Dryer Corp MD-170PTVW, MDG-120PVV Typical Water Supply, Optional Manual Bypass

2.Water Connections:

The water connection is made to the 3/4”-11.5 NH hose adapter of the electric water solenoid valve, located at the rear upper midsection of the dryer (refer to the photograph).

The water solenoid valve has a 3/8” M.P.T. connection supplied with a 3/4”-11.5 NH hose adapter to provide the minimum 1/2-inch supply (feed) line. Flexible supply line/coupling must be used in an effort to avoid damaging the electric water solenoid valve.

NOTE: The 3/4”-11.5 NH is a standard hose coupling screw thread. It is not to be confused with 3/4” N.P.T. The sealing of an NH connection is made with a washer opposed to the mating threads of an N.P.T. assembly. The two (2) thread designs are not compatible.

IMPORTANT: Flexible supply line/coupling must be used. Solenoid valve failure due to hard plumbing connections WILL VOID WARRANTY. It is recommended that a filter or strainer be installed in the water supply line.

Typical Water Supply

OPTIONAL MANUAL BYPASS

Provisions are made in the dryer’s fire suppression system for the installation of an optional manual bypass. Depending on the model dryer, the connections for the manual bypass are made at the “T” or “three way” fitting located in the outlet supply side of the water solenoid valve. The use and connections of this manual bypass are at the option or discretion of the owner.

The water connection for the manual bypass is made to the “T” or “three way” fitting, which has a 3/8” F.P.T. and a coupling must be used to provide the minimum 1/2” supply (feed) line.

If the rear area of the dryer or the water supply is located in an area where it will be exposed to cold/freezing temperatures, provisions must be made to protect these water lines from freezing.

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