Sungrow SG250HX, User Manual

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C Crro ossss--sse ec cttiio on na all a arre ea a ((m mm m
2 2
)) T Tiig gh htte en niin ng g tto orrq qu ue e ((N N
∙∙
m m))
4 4.0
6 3.5
Step 5 Check for polarity correctness.
The inverter will not function properly if any PV polarity is reversed.
-- -- E En nd d
5.7.4 Installing the PV Connectors
Step 1 Rotate all the DC switches to "OFF" position.
Skip performing step1 when the actual device is not equipped with DC
switches.
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 1,500V.
5 Electrical Connection User Manual