Huawei SUN2000L User Manual page 55

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SUN2000L-(2KTL-5KTL)

User Manual

After the positive and negative connectors snap into place, pull the DC input power cables

back to check that they are connected securely.

Figure 5-16 Connecting DC input power cables

If polarity of the DC input power cable is reversed and the DC switch is ON, do not turn off

the DC switch immediately or unplug positive and negative connectors. The device may be

damaged if you do not follow the instruction. This damage is not covered under any warranty.

Wait until the solar irradiance declines at night and the PV string current reduces to below 0.5

A, and then turn off the DC switch and remove the positive and negative connectors. Correct

the string polarity before reconnecting the string to the SUN2000L.

----End

Follow-up Procedure

Before removing the positive and negative connectors, ensure that the DC switch is OFF.

To remove the positive and negative connectors from the SUN2000L, insert an open-end

wrench into the notch and press the wrench with an appropriate force.

Issue 06 (2020-03-19)

5 Electrical Connections

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