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a) Primary Side
This is the incoming voltage side -120 VAC, 208 VAC, 230/240 VAC - of the transformer.
b) Secondary Side
This is the step down side - 24 VAC - of the transformer.
WARNING: 208 VAC and 230/240 VAC ARE NOT THE SAME. ALL voltage connections
should be checked and confirmed according to the wiring diagram provided with the
individual dryer. Any damage done to dryer components due to improper voltage
connections will automatically VOID THE WARRANTY.
IMPORTANT: The ADC Service Department must be contacted prior to any wiring change and/or
conversion because, depending on the change/conversion required, some parts may
have to be added, deleted, or changed. When, contacting the ADC Service
Department, they must be given the correct model number and serial number for
the dryer(s).
NOTE: Any wiring change(s) and/or conversion(s) should be accomplished by a QUALIFIED
ELECTRICAL TECHNICIAN.
(1) Transformer Wiring
There are six (6) color-coded wires coming from the 24 VAC Transformer. There are
four (4) wires coming from the primary (incoming) voltage side of the transformer. Their
application and color-coding are as follows:
(a) For 120 VAC application ONLY;
1 - The BLACK and WHITE wires are used.
2 - The Red and Blue wires are capped off
individually.
(b) For 208 VAC application ONLY;
1 - The BLACK and BLUE wires are used.
2 - The Red and White wires are capped off
individually.
(c) For 240 VAC application ONLY;
1 - The BLACK and “RED” wires are used.
2 - The White and Blue wires are capped off individually.
There are two (2) yellow or orange wires coming from the secondary (step down)
side of the transformer.
(d) One (1) YELLOW or ORANGE wire is connected to the “GND” (ground)
termination.