Installing The Pv Connector - Sungrow SG2K5-S User Manual

5 Electrical Connection
The inverter will not function properly if any PV polarity is reversed.
If the PV connectors are not assembled into place, it may cause an arc
or overheat. The loss caused by this issue will void the warranty.

5.4.3 Installing the PV Connector

Connect the inverter to PV strings according to the following procedure.
1. (Optional) If you purchase the DC switch, rotate it to "OFF".
2. Check the connection cable of the PV string for the correct polarity and
that the open-circuit voltage does not exceed the inverter input limit of
600 V, even under the lowest operating temperature. Refer to the module
specification supplied by the module manufacturer for detailed
information.
The inverter will not function properly if any PV polarity is reversed.
Check the positive and negative polaritiy of the PV strings before
installation.
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