I note; a circuit serving each dryer provided – ADC AD-78 User Manual
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3. Grounding
A ground (earth) connection must be provided and installed in accordance with state and local codes. In
the absence of these codes, grounding must conform to applicable requirements of the National Electric
Code ANSI/NFPA NO. 70-LATEST EDITION. The ground connection may be to a proven earth ground at
the location service panel.
For added personal safety, when possible, it is suggested that a separate ground wire (no. 18 minimum) be
connected from the ground connection of the dryer to a grounded cold water pipe. DO NOT ground to a gas
pipe or hot water pipe. The grounded cold water pipe must have metal to metal connection all the way to
the electrical ground. If there are any non-metallic interruptions, such as, a meter, pump, plastic, rubber, or
other insulating connectors, they must be jumped out with no. 4 copper wire and securely clamped to bare
metal at both ends.
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IMPORTANT: For personal safety and proper operation, the dryer must be grounded.
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Provisions are made for ground connection in each dryer at the electrical service connection area.
4. Electrical Connections
I NOTE: A wire diagram is located in the front electrical control box for connection data.
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a. GAS MODELS and STEAM MODELS ONLY
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NOTE; A CIRCUIT SERVING EACH DRYER
PROVIDED.
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1) Single-phase (10) Wiring Connections (Hookup)
The electrical connections on ALL single-phase (10) gas models and steam model dryers are made
into the rearservice box located at the upper left area of the dryer.