CF Control Settings
7.2 Querying the slope / zero point of the pH electrode [parameters 86, 87]
It is possible to query data about slope and zero-point deviation of the pH electrode.
The query is made via the menu navigation. Choose parameter 86 to display the
slope, and parameter 87 to display the zero-point deviation.
NOTE: When the measured slope is < 50 mV and > 80 mV, an alarm
message is triggered.
The displayed zero point should be within a range of 7 1 pH.
7.3 Setting the disinfectant content
Add chlorine manually to the pool or whirlpool until the desired content (e.g. 0.3 – 0.8
mg/l free chlorine) is reached.
NOTE: For previously non-chlorinated water, you will need approx. 30 - 40 ml
of dinochlorine liquid per 10 m
3
pool volume.
The content is to be checked with a suitable measuring instrument (e.g. Pooltester or
Photolyser). Once the required content has been checked and found to be constant
over several measurements, the CF Control 100 can be calibrated.
The system is set to a redox set point of 600 mV at the works. This value must be
adjusted until it corresponds to your current and correct disinfectant content.
Please read the currently displayed value for redox, which could be 670 mV, for
example.
Press the Eingabe / ENTER button and choose parameter P 4 (confirm with
).
Adjust the set point (on the right) to the redox value read in
the display before by pressing or (in this example
to 670).
Press to return to the display level.
The CF Control 100 will then keep your disinfectant content on the current level.
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