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Special functions
ON/OFF: The dosing station is not equipped with a power supply switch. To shut it
off, press the # key for 4 seconds. OFF will be displayed on the screen.
Press the # key for 4 seconds, to turn it on again.
REINITIALIZATION: If you want to erase the memory with all data already entered,
calibration and password, you must proceed as follows:
1) Shut off the power supply.
2) Simultaneously press the # $ keys and connect to the power supply again while continuing
to press both keys.
3) Release the keys. The following message will be displayed: "CHECKSUN ERROR". Press any key.
4) Proceed to the setup.
START: This function allows you to simultaneously turn on the two dosing pumps at maximum
frequence. The following procedure must be observed:
1) Shut off the power supply.
2) Simultaneously press the following keys ! ".Then connect to the power supply again while
continuing to press both keys.
3) Release the keys, the dosing station will remain in this mode, until the power supply will
discontinued.
The sensors must be calibrated during the installation procedure to obtain reliable measuring
values. Proceed in the following order: pH and then Redox (mV).
pH section
It takes two steps to calibrate the pH sensor using two buffered solutions.
Proceed only if you have provided for the following:
The buffered solutions must be available (pH 7 and pH 4).
Temperature must be known.
Attach the BNC connector of the pH sensor to the connector provided for this purpose.
Remove the protective cover of the sensor.
Clean with water, dry and immerse the sensor in the buffered pH 7 solution.
The sensor must be stirred and kept submerged.
Press the ENTER key in the main menu for 3 seconds. Enter the password, if programmed,
and press ENTER again. The following will be displayed:
ATTENTION :
THE DOSING STATION WILL QUIT THE PROGRAMMING MODE AND GO BACK TO
SCREEN 1 AFTER 90 SECONDS, UNLESS YOU HIT A KEY.
The cursor must remain on " . " SETUP. Then press ENTER.
SENSOR CALIBRATION
Screen 2
Screen 3
%
Setup
parameter
%
Set-Point
Calibrate
9
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