Replacing SUN2000-(15KTL-50KTL) Series with 
SUN2000-(15KTL-50KTL)-M3 Series 
User Manual 
 
Copyright © Huawei Technologies Co., Ltd. 
 
Figure 2-6 Schematic diagram 
 
 
In the SUN2000 V100R001 and SUN2000 V200R001 replacement scenarios, only six PV 
strings can be connected to the SUN2000. Therefore, you are advised not to use PV7 and 
PV8. 
 
2.4.2 Working Modes 
The SUN2000 can work in Standby, Operating, or Shutdown mode. 
Figure 2-7 Working modes