Sungrow SH5K, Quick User Manual

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2 Electrical Connection Quick User Manual
8
2.4 PV Connection
The inverter has two PV inputs and can be configured in the independent mode or
parallel mode. Refer to the user manual for mode selection.
Before connecting the PV arrays to the inverter, ensure that the impedances
between the positive terminals of the PV string and Earth, and between the
negative terminal of the PV string and Earth are larger than 200 kOhm.
The inverter will not function properly if the DC polarities are reversed.
Check the positive and negative polarities of the PV cells.
Cable Requirements
Cross-Section
Cable
Diameter Max. Withstand
Voltage Max. Withstand
Current
4 mm
2
–6 mm
2
AWG12–AWG10
3 mm–6 mm 600 V
Same as short-circuit
current

Strip the insulation from the cables by 7 mm–8 mm.

Tighten the cable gland with torque of 2.5 N

m–3.0 N

m.