Uniteck UNISUN 50.12MS Manuel D'instructions page 29

PANEL TEST PROCESS
To check if your panel operates properly, take a multimeter and the panel to be tested.
The test must be done in two steps. Results of the second step can vary according to panel's inclination. Place
it perpendicular to the sun.
CONTINUOUS VOLTAGE TEST
• Put the voltmeter on the V DC (continuous current) range corresponding to the panel voltage.
• Connect the positive cable (red) to the « Ω » port (resistance) and the negative one (black) to the
« COM » port (common).
• Connect the cables to the connectors of the panel (red – red, black – black).
Result:
The displayed value must be equivalent (+/-10%) to the voltage in open circuit (Voc) of the panel.
It does not change according to weather situations nor to its position to the sun.
You can find the Voc value in the technical specifications of this manual, and in the back of your panel.
This test is valid is the displayed values match with the Voc of the panel (+/-10%).
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