8 times per day you should be taking water tests from the Spa pool and these tests include chlorine & PH levels. Once completed the results should be compared with the chemical controller in the plant room. If you find a reading differ by 0.2 for the PH & 0.4ppm for the Chlorine the unit will require a re-calibration
Push the black dial and the unit will ask you for a 4-digit passcode. Enter the passcode of ‘’1982’’ by scrolling through the numbers and press the black dial.
The unit will enter the fast calibration screen
To calibrate the PH, you will need to press the black dial to get the figure you require (please note- after you have pressed the dial the unit will underline the figure to indicate that this is the number you are adjusting. Once you have the designated figure you will need to push the button inwards which will change the figure.
After that you will need to turn the dial which will highlight ‘ok’ and press the black dial.
To calibrate the chlorine, turn the dial so it highlights the figure below the PH
To adjust, press the black button which will again underline the figure. Once you have the designated figure press the black the button inwards.
Then turn the black dial so it highlights the ‘ok’ option and then press the black dial.
Next turn the black dial so it highlights the ‘escape’ option.
Press the black dial and then this will ask you to save your changes. Press the black button on ‘YES’
