Electrical Connections; Precautions; Preparing Cables - Huawei SUN2000 Series User Manual

SUN2000-(100KTL, 110KTL, 115KTL)-M2
User Manual

5.1 Precautions

After the PV array receives solar irradiance, it transmits the DC voltage to the solar
inverter. Before connecting cables, ensure that the three DC switches on the solar
inverter are set to OFF. Otherwise, the high voltage of the solar inverter may result
in electric shocks.
● The device damage caused by incorrect cable connections is beyond the
● Only qualified technicians can perform operations about electrical connection.
● Wear proper PPE at all time when connecting cables.
● To prevent poor cable connection due to overstress, leave enough slack before

5.2 Preparing Cables

SUN2000 solar inverters support RS485 communication and MBUS
communication.
Issue 02 (2022-06-30)
D ANGER
WARNING
warranty scope.
connecting the cables to the appropriate ports.
NO TE
The cable colors shown in the electrical connection diagrams provided in this chapter are
for reference only. Select cables in accordance with local cable specifications (green-and-
yellow cables are only used for protective earthing).
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Electrical Connections

5 Electrical Connections
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