Huawei SUN2000-2KTL-L1 User Manual page 53

SUN2000-(2KTL-5KTL)-L1
User Manual
After the positive and negative connectors snap into place, pull the DC input power cables
back to ensure that they are connected securely.
Figure 5-15 Connecting DC input power cables
If the DC input power cable is reversely connected and the DC switch is set to ON, do not
immediately turn off the DC switch or reconnect the positive and negative connectors.
Otherwise, the device may be damaged. The caused device damage is not covered under any
warranty or service agreement. Wait until the night when solar irradiance declines and the PV
string current drops to below 0.5 A. Then set the DC switch to the OFF position, remove the
positive and negative connectors, and correct the polarities of the DC input power cables.
----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 SUN2000, insert a disassembly tool
into the notch and press the tool with an appropriate force.
Issue 01 (2020-04-17) Copyright © Huawei Technologies Co., Ltd.
5 Electrical Connection
47