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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 1,100 V.
Step 3 Connect the PV connectors to corresponding terminals until there is an audible click.
• Check the positive and negative polarity of the PV strings, and connect the
PV connectors to corresponding terminals only after ensuring polarity
correctness.
• Electric arc or contactor overtemperature may occur if the PV connectors
are not firmly in place, and SUNGROW shall not be held liable for any
damage caused due to this operation.
Step 4 Seal the unused PV terminals with the terminal caps.
-- -- EEnndd
5 Electrical Connection User Manual
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