5 Graphic controller
5.1 General
Controller
A controller with a graphical screen is available as option for High Efficiency (+) versions,
replacing the basic controller.
PureLogic controller
General description
The controller automatically controls and protects the dryer, i.e.:
• Keeping the pressure dew point stable
• Monitoring pressure, temperature, and digital switches to ensure safe operation as well as
stopping the dryer whenever necessary
• Restarting the dryer when required
In order to control the dryer and to read and modify programmable parameters, the
regulator has a control panel provided with:
• LEDs indicating the status of the dryer
• A display indicating the operating conditions or a fault
• Keys to control the dryer and to access the data collected by the regulator
• Buttons to manually start and stop the dryer
Automatic restart after voltage failure (ARAVF)
The regulator has a built-in function to automatically restart the dryer if the voltage is restored
after voltage failure.
If the function is activated and if the regulator was in the automatic operation mode, the dryer will
automatically restart if the supply voltage to the module is restored within a programmed time
period.
Instruction book
2920 7111 23 23
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