Huawei SUN2000-196KTL-H0 User Manual page 45

SUN2000-(196KTL-H0, 200KTL-H2, 215KTL-H0)
User Manual
● Ensure that the PV module output is well insulated to ground.
● The PV strings connecting to the same MPPT circuit should contain the same
● The solar inverter does not support full parallel connection for PV strings (full
● During the installation of PV strings and the inverter, the positive or negative
Terminal Description
The inverter provides 18 DC input terminals, which are controlled by its three DC
switches. DC SWITCH 1 controls DC input terminals 1–6, DC SWITCH 2 controls DC
input terminals 7–12, and DC SWITCH 3 controls DC input terminals 13–18.
Figure 5-8 DC terminals
Requirements for selecting DC input terminals:
1.
2.
Issue 02 (2020-10-30)
NO TICE
number of identical PV modules.
parallel connection: PV strings connect to one another in parallel outside the
solar inverter and then connect to the solar inverter separately).
terminals of PV strings may be short-circuited to ground if the power cable is
not properly installed or routed. In this case, an AC or DC short circuit may
occur and damage the inverter. The caused device damage is not covered under
any warranty.
Evenly distribute the DC input power cables on the DC input terminals
controlled by the three DC switches.
Maximize the number of connected MPPT circuits.
Copyright © Huawei Technologies Co., Ltd.
5 Electrical Connections
38