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a. Gas Model and Steam Model Dryers
These electrical connections are made at the terminal block located in the electric service/relay box at
the rear, upper left hand corner of the dryer. To gain access into this service box, the service cover
(upper back guard) must be removed.
b. Electric Model Dryers
For electric model dryers made to operate at 208 VAC or 230/240 VAC, the electrical input connection
is made into the terminal block located at the upper rear of the dryer (refer to the illustration below).
For electric model dryers made to operate at 380 VAC, 416 VAC, 440 VAC, or 480 VAC, the electrical
input connection is made to the oven relay located at the upper rear of the dryer (refer to the illustration
below). Input connection wiring must be sized properly to handle the dryer’s current draw. This
information is printed on the dryer’s data label.
NOTE: A CIRCUIT SERVICING EACH DRYER MUST BE PROVIDED.
4. 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 Electrical
Code ANSI/NFPA NO. 70-LATEST EDITION, or in Canada, the installation must conform to applicable
Canada Standards: Canadian Electrical Codes Parts 1 & 2 CSA C22.1-1990 or LATEST EDITION. The
ground connection may be to a proven earth ground at the location service panel.
NOTE: A grounding connection (terminal lug) is provided in the dryer’s electrical service/relay box
at the rear.
For added personal safety, when possible, it is suggested that a separate ground wire (sized per local codes)
be connected from the ground connection of the dryer to a grounded cold water pipe. DO NOT ground to
a gas or hot water pipe. The grounded cold water pipe must have metal to metal connections
ALL the
way to electrical ground. If there are any nonmetallic 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.
IMPORTANT: For personal safety and proper operation, the dryer must be grounded. For
proper operation of the microprocessor controller (computer), an earth (zero) ground is required.
NOTE: Grounding via metallic electrical conduit (pipe) is not recommended.
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