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Page 44
3.) Once the control power is on and no fault conditions exist,
turning the OFF-ON-START switch to the START position
will start the dryer as follows:
3-1.
The process heater is turned on and controlled by the
E5CN controller.
3-2.
The process/regen blower is started.
3-3.
The regen heater is turned on and the regeneration
timing sequence is initiated. The regen heater is
controlled by the E5C2 controller. For default timing
settings for regeneration, see the table below.
Model
AD15
AD30
AD60
Note: In a humid environment, you may change the setting to
40 / 25 for better results.
4.) If either the left or right bed safety temperature switch opens, a
regen heater fault is generated. "HIGH TEMP" is displayed
on the relay screen. The alarm light is activated. The process
heater, regen heater, and process/regen blower are turned off.
Turn the Off-On-Start switch to the START position to
deactivate the alarm light and restart the dryer. If the switch is
still open, the dryer will not restart.
5.) If the OMRON controller faults, the optional redundant high
temperature safety device opens, or the process heater safety
switch opens, a heater fault is generated. "HIGH TEMP" is
displayed on the relay screen. The alarm light is activated.
The process heater, regen heater, and process/regen blower are
turned off.
Turn the OFF-ON-START switch to the START position to
deactivate the alarm light and restart the dryer. If the fault
condition still exists, the dryer will not restart.
6.) If the process blower overload trips, a process blower fault is
generated. "PROC BLWR" is displayed on the relay screen.
The alarm light is activated. The process heater, regen heater,
and process/regen blower are turned off.
Reset the motor overload and turn the Off-On-Start switch to
the START position to deactivate the alarm light and restart the
dryer.
Heating
Cooling
35
35
AD Series Dehumidifying Dryers
30
30
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