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Nightlight level
The controller recognizes "day" and "night" based on the solar PV array open circuit voltage. The daylight threshold can be modified according to the
requirements of the local conditions and the solar PV array used.
To find the exact values, we recommend measuring the PV solar array "open circuit voltage" at twilight and when the controller is expected to switch the
loads "on" or "off". This value (the closest setting available) can then be set according to the description presented in the programming section.
Open circuit voltage curve of solar array
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