AEC WD 350 through WD3000 Dehumidifying Dryers - Manual (Page 58)

12. Press and to select a setting for Alarm 1, the high temperature alarm. The
factory setting is
25
.
13. Press once to restore.
14. Turn OFF the power switch on the graphic display and remove all electrical power from
the dryer when you finish.
Figure 16
Level 1 Controller Factory Preset Parameters
Parameter
setting level
Parameter
description
LED
display
Process temperature display at power-up (°) - Actual air temperature -
Process temperature set point (°) 0
Alarm value
Level 2 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.
2. Press up the latch at the bottom of the module front panel and slide out the control
chassis.
3. Locate the slide-type lockout switch marked Protect on the circuit board. It should be
OFF .
4. Check to make sure that the control output relays are installed on the circuit board. Level
2 controllers use one E530S solid state relay (SSR) installed in the socket. This relay
switches the heaters on and off.
0 1
2
3
4
5
6
7
8
9
ALM-1
5. Set the rotary-type alarm mode selector switch ALM 1 to position 2 for upper
limit alarm with standby.
0 1
2
3
4
5
6
7
8
9
ALM-2
6. Set the rotary-type ALM 2 switch to position 0. This alarm is not used.
WDMR and WDFR Series Dehumidifying Dryers Page 57