Sungrow SG250HX-IN-20, User Manual, Page: 52 / 109

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Step 3 Insert the crimped cables into the corresponding connectors until they snap into place.
Gently pull the cable backward to ensure firm connection.
Step 4 Tighten the cable gland and the insulator.
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.
5 Electrical Connection User Manual