User Manual
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Step 4
Check for polarity correctness.
5.6.3 Installing the PV Connectors
Step 1
Rotate the DC switch to "OFF" position.
ON
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 1,100V.
880.0
+
-
Step 3
Insert the PV connectors to the corresponding terminals until there is an
audible click.
Check the positive and negative polarity of the PV strings, and insert the
PV connectors to the corresponding terminal only after ensuring polarity
correctness.
+
-
+
-
+
-
+
-
Arc or contactor over-temperature may occur if the PV connectors are not
firmly in place, and damage caused shall not be covered by the warranty.
Step 4
Follow the foregoing steps to connect PV connectors of other PV strings.
