Huawei SUN2000-250KTL Series User Manual page 59

SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series
User Manual
Terminal Description
The SUN2000 provides 28 DC input terminals, which are controlled by its two DC
switches. DC SWITCH 1 controls the DC input terminals PV1–PV14 and DC SWITCH
2 controls the DC input terminals PV15–PV28.
Figure 5-16 DC terminals controlled by DC SWITCH 1
Figure 5-17 DC terminals controlled by DC SWITCH 2
Requirements for selecting DC input terminals:
1.
2.
3.
For example, if there are 18 to 27 PV strings, you are advised to connect DC input
terminals as follows:
Issue 02 (2022-12-20)
DC input terminal PV10 must be connected to a PV string.
At least one PV string is connected to the DC input terminals PV1–PV9.
It is recommended that DC input terminals be evenly distributed on MPPTs.
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5 Installing Cables
53