ADC AD-464 service manual TOP of Tumbler Basket Temperature Door Assembly

I.TOP OF TUMBLER (Basket) TEMPERATURE DOOR ASSEMBLY

1.Intake Temperature Probe/Sprinkler Temperature Probe

The intake temperature probe and sprinkler temperature probe are 100 ohm (100 Ω ) Resistive Temperature Device (RTD) probes located on the top of the tumbler (basket) section of the dryer. The intake temperature probe measures the intake temperature of the dryer and is monitored by the hi-temperature controller. The sprinkler temperature probe measures the temperature in the tumbler (basket) section of the dryer and is monitored by the sprinkler controller.

•There are ten (10) TEK screws that must be removed prior to the removal of the top cover. Both intake temperature and sprinkler temperature RTD probes are located under the top cover.

a)Intake Temperature Probe/Sprinkler Temperature Probe Replacement

1)Discontinue electrical service to the dryer.

2)Remove the ten (10) 1/4-20 x 1/2" TEK screws securing the top cover to the tumbler (basket) section of the dryer.

3)Lift outer edge of the top cover and remove the cover from the tumbler (basket) section.

4)Remove the wiring from the temperature probe (probe being replaced) from the terminal block which is located in the junction box on the top of the tumbler (basket) section of the dryer.

5)Remove the compression fitting securing the temperature probe to the mounting plate.

6)To install new temperature probe, reverse Step #5 thru Step #2.

IMPORTANT: When reconnecting new temperature probe to the terminal block, verify correct wire placement or the probe will be in alarm status or in an open condition.

7) Reestablish electrical service to the dryer.

41