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If the PV polarity is reversed, the inverter will be in a fault or alarm state and will
not operate normally.
- - End
5.7.3 Installing the PV Connector
step 1 Ensure that the DC switch is in "OFF" position. Otherwise, manually turn it to "OFF".
step 2 Check the cable connection of the PV string for polarity correctness and ensure that the
open circuit voltage in any case does not exceed the inverter input limit of 1,500 V.
The range of the multimeter shall be greater than 1500 V. If the measured voltage is
less than 0, adjust the cable polarity. If the measured voltage is greater than 1500 V,
reduce the number of PV modules.
step 3 Connect the PV connectors to corresponding terminals until there is an audible click.
User Manual 5 Electrical Connection
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