b) c)
5.4 SPH System Connection Mode
5.4.1 Connection of PV terminal
Chart 5.9
Similar to the traditional inverter connecting, the input of PV panel energy can be
realized by using MC4 PV terminal, the detail steps are as follows：
1.Turn off PV switch.
2.Insert PV panel positive and negative cables into MC4 terminal， then connect
positive pole(+) of connection cable to positive pole(+) of PV input connector,
Connect negative pole(-) of connection cable to negative pole(-)of PV input
connector, please pay attention to PV input voltage and current within permission
limit:
Max PV voltage：550V (consider the lowest temperature)
Max PV input current: 12A
Max PV input power per string: 4000W.
Remark: We suggest you use the cable ≥4mm2/12 AWG to connect.
17
18
d)
Chart 5.8
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