User Guide

23
CONTROLLER SETTINGS
SETTING THE pH CONTROL
To adjust the pH setpoint:
• Press the SET button close to the pH display to read the setpoint value.
• Turn the SET knob until the display shows the desired value.
• Return to measurement mode by pressing the MEA button.
To select the dosing direction:
• Select the desired solution for pH correction by setting the ACID/BASE
switch.
• If the switch is in the ACID position, the pH pump is activated when
the pH value exceeds the setpoint. The controller will dose
acidic solution to reduce the pH until the user-selected
setpoint is reached.
• If the switch is in the BASE position, the pH pump is
activated when the pH value falls below the setpoint.
The controller will dose alkaline solution to increase the
pH until the user-selected setpoint is reached.
SETTING THE EC CONTROL
To adjust the Conductivity setpoint:
• Push the SET button close to EC display to read the setpoint value.