Replacing SUN2000-(15KTL-50KTL) Series with 
SUN2000-(15KTL-50KTL)-M3 Series 
User Manual 
 
Copyright © Huawei Technologies Co., Ltd. 
 
 
 
Ensure that the PE cable is securely connected. Otherwise, electric shocks may occur. 
 
Do not connect the neutral wire to the enclosure as a PE cable. Otherwise, electric shocks 
may occur. 
 
 
The PE point at the AC output port is used only as a PE equipotential point, and cannot substitute for 
the PE point on the enclosure. 
 
It is recommended that silica gel or paint be used around the ground terminal after the PE cable is 
connected. 
Procedure 
Step 1  Connect the PE cable. 
Figure 6-1 Connecting the PE Cable 
 
 
(1) Standby protection ground point 
 
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6.2.2 Installing the AC Output Power Cable 
Precautions 
An AC switch must be installed on the AC side of the SUN2000 to ensure that the SUN2000 
can be safely disconnected from the power grid.