Huawei SUN2000 Series User Manual page 38

SUN2000-(12KTL-25KTL)-M5 Series
User Manual
● The output of the PV strings connected to the inverter cannot be grounded.
● PV modules and optimizers in the PV strings connecting to the same MPPT
● If power cables are not properly installed or routed during the installation of PV
Terminal Description
Figure 5-4 DC input terminals
Procedure
Before inserting the positive and negative connectors into the positive and
negative DC input terminals of the inverter, ensure that DC SWITCH is set to OFF.
Issue 01 (2022-06-15)
NO TICE
Ensure that the PV output is well insulated to ground.
must be of the same model and quantity.
strings and the inverter, the positive or negative terminals of PV strings may be
short-circuited to ground. In this case, an AC or DC short circuit may occur and
damage the inverter. The resulting device damage is not covered under any
warranty.
WARNING
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5 Electrical Connections
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