AEC WD 350 through WD3000 Dehumidifying Dryers - Manual (Page 56)

6. Re-install the new heaters in reverse order. Install new heater gaskets (AEC Part No.
W00018316) and securely tighten all fasteners.
Caution!
Heater loops should not touch each other.
“Hot spots” lead to premature heater failure!
7. Re-install the wiring based on the sketch you made earlier.
8. Secure the heater access cover.
7-8 Restoring the Temperature Controller to Factory
Setup
Level 1 Controllers
If preset parameters on the controller have been tampered with and it no longer properly controls
temperature, you can restore it to the factory setup. Perform the following procedures to restore
factory setup:
1. Turn off the power switch on the graphic display and remove all electrical power to the
dryer.
1. Press up the latch at the bottom of the module front panel and slide out the control
chassis.
PROTECT OFF
OFF ON 1. Locate the slide-type lockout switch marked PROTECT OFF on the
circuit board. It should be OFF .
0 1
2
3
4
5
6
7
8
9
ALARM
2. Set the rotary-type alarm mode selector switch marked ALARM to Position 2
for the upper limit alarm with standby.
3. Set the rotary temperature sensor selector switch located to the left of the ALARM
selector switch to Position 2 . Your dryer is factory-equipped with Type K thermocouples;
you can use six (6) other temperature sensor types if you properly set the switch.
WDMR and WDFR Series Dehumidifying Dryers Page 55