I Calibrating The Sensors (If An Optional "Ph Link" Or "Dual Link" Module Has Been Installed) - Zodiac Hydroxinator iQ Series Instructions For Installation And Use Manual

5.3 I Calibrating the sensors
5.3.1 Calibrating the pH sensor (blue)
The pH sensor can be calibrated to 1 point or 2 points (pH 4 and pH 7). 2-point calibration is recommended to improve
measurement accuracy.
The setpoints are displayed on the home screen when the appliance is switched on.
Current sensor measurements
• Switch on the appliance.
• Switch off the pool's pump and close the necessary valves in order to isolate the cell and the sensors.
• Press and browse the menu using the
• Select 1- or 2-point calibration (2-point calibration is recommended):
• Unscrew and remove the pH sensor from the POD.
• Rinse the tip of the sensor with tap water.
• Shake it to remove any residual water. Do not touch the glass bulb at the end of the pH sensor.
• Place the pH sensor in the pH 7 solution and follow the on-screen instructions:
• Rinse the tip of the sensor with tap water.
• Shake it to remove any residual water. Do not touch the glass bulb at the end of the pH sensor.
• Place the pH sensor in the pH 4 solution and follow the on-screen instructions:
• Once calibration is complete, replace the sensor on the POD.
• If calibration is unsuccessful, see "8.1 I Appliance behaviour".
1-point calibration: possible if the pH 7 and pH 4 solutions provided are no longer available.
In order to do this:
- Use a sample of water with a known pH value.
- Activate 1-point calibration and input this pH value on the screen:
(if an optional "pH Link" or "Dual Link" module has been installed)
Setpoints
buttons. Press to confirm.
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