User Manual
Page 35
2.8.6 61BVPD Influence on Target EC
You can adjust the EC based on the VPD Sum (air temperature and humidity). As the VPD rises or falls, the program
can increase or decrease the EC level according to your requirements.
1. In Installation > Analog Input define:
a. a sensor as EC.
b. an air temperature sensor.
c. a humidity sensor.
Note: You can verify the EC status using Hot Key Screen, the temperature and humidity sensors status using Hot
Key Screen 6.
2. In Setup > VPD Sensor Setup, enable VPD Temperature and VPD Humidity sensors.
3. In Configuration > Dosing Channel Configuration set React to EC.
4. In Configuration > Dosing Configuration > EC Control, set EC Control to Yes.
5. In Program > Irrigation, select VPD/EC.
a. Define the VPD sum points.
b. Define the EC percentage set points.
6. Set ACTIVE/SOURCE to Yes.
7. In Program > Dosing Program:
a. Set the Target EC.
b. Set EC Dosing Method to Qty.
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