4.Under Voltage Disconnect

The dryer uses a 110 VAC under voltage disconnect. This 110 VAC is supplied from the sprinkler circuit. The sprinkler circuit is part of the safety circuit of the dryer. If the sprinkler circuit is in an alarm condition, the 110 VAC supply to the under voltage disconnect will become discontinued, shutting down the dryer.

NOTE: For steam models that do not have the sprinkler option skip Step #4.

a.Under Voltage Disconnect Replacement

1)Discontinue electrical service to the dryer.

2)Mark and remove wires from L1, L2, and L3.

3)Mark and remove wires from L4, L5, and L6.

4)Mark and remove wires from L and N.

5)Loosen and remove the door handle extension from the under voltage disconnect.

6)Remove the two (2) #8-32 x 2" Phillips round head machine screws.

7)To install new under voltage disconnect, reverse Step #6 thru Step #2.

8)Reestablish electrical service to the dryer.

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ADC AD-464 service manual