American Dryer Corp. ADG-464 User Manual

Page 79

d) Tumbler Junction Box

This enclosure interfaces the tumbler’s electrical hardware, to the AD-464 Main Electrical Panel. The
disconnect plug, attached to this enclosure, provides a means of electrical separation of these tumbler
(basket) section, for shipping.

Refer to AD-464 Tumbler Junction Box Diagram for detailed wiring information.

The following is for 2-Door Models ONLY

e) Unload 1 “Rear Panel” – SEL 4

This is normally open, two (2) position, selector switch for unloading the AD-464 from the rear. Once the
selector switch is turned to “1,” Pendant control functions are disabled, rear doors open, and the dryer
front tilts up.

f) DRUM FORWARD “Rear Panel” – PB3

This push button switch comprises of two individual switches; one normally closed and one normally open.
One switch is for a drum forward signal to the PLC (Programmable Logic Controller); the other switch is
for an electrical interlock to the DRUM REVERSE push button.

g) DRUM REVERSE “Rear Panel” – PB4

This push button switch comprises of two (2) individual switches; one normally closed and one normally
open. One switch is for a drum reverse signal to the PLC (Programmable Logic Controller); the other
switch is for an electrical interlock to the DRUM FORWARD push button.

h) EMERGENCY STOP (E-Stop) “Rear Panel” – PB7

This push button switch is normally closed device and is located on the right rear panel of the AD-464. Its
function is to shut down the control voltage to the dryer in the event it is pressed.

NOTE: The EMERGENCY STOP (E-Stop) WILL NOT disengage the sprinkler circuit power.

2. Rear Panel Control Problems

EMERGENCY STOP (E-Stop) Function

a) PROBABLE CAUSES;

1a) Rear panel disconnect plug

2a) Defective switch

3a) Wiring back to the main electrical enclosure