2.Electrical Component Replacement

a.Control Voltage Transformer Replacement (refer to the illustration on page 83)

1)Discontinue electrical power to the dryer.

2)Locate the correct schematic for the specific change(s) required and verify the wiring of the transformer using the schematic.

3)Verify the voltage of the new transformer.

4)Loosen and then remove the four (4) wires for a 208-230/240 VAC dryer or the six (6) wires for a 380 VAC (and higher) dryer from terminal block #3 (TB3).

5)Remove the four (4) screws securing the transformer, then remove the transformer itself.

6)To install new transformer reverse above steps (Step #5 thru Step #2).

7)Reestablish electrical power to the dryer.

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Image 85
American Dryer Corp AD-310 Phase 7 service manual