American Dryer Corp AD-200 service manual

Models: AD-200

1 82
Download 82 pages 45.1 Kb
Page 51
Image 51

2) Auxiliary Contact Block

The Auxiliary Contact Block is mounted on the side of the overload. Its' function is to sense an over- load trip, thereby triggering a safety fault which will disable the drying cycle. A "DOOR" message will appear on the L.E.D. (light emitting diode) display on the Phase 5 microprocessor controller (computer).

(a)Auxiliary Contact Block Replacement

(1)Discontinue electric service to the dryer.

(2)Remove the auxiliary contact block from the din rail by pulling the tab on the bottom of the contact block and lifting upward.

(3)Remove the two (2) wires going to the auxiliary contact block and label for correct reinstallation.

(4)There are two (2) types of auxiliary contact blocks... one with a screw and the other with a clip ...

To remove the style with the screw with a thermal magnetic starter simply remove the screw. To remove the style with a clip simply push in the clip and remove.

(5)To install new auxiliary contact block, reverse above procedure (steps #4 through #1).

b)Varistor (MOV)

The Varistor - MOV (Metal Oxide Varistor) is used to suppress any inductive electrical spikes produce by the energizing and collapsing of the coil voltage.

1)Varistor (MOV) Replacement

(a)Discontinue electric service to the dryer.

(b)Loosen the screws marked A1 and A2 from the varistor.

(c)Remove the varistor.

(d)Reverse procedure to install new varistor.

47

Page 51
Image 51
American Dryer Corp AD-200 service manual