MPP Solar LV 6548 User Manual page 54

Three inverters in one phase, two inverters in second phase and one inverter for the third phase:
Power Connection
N
L1
L2
L3
N
L1
L2
L3
Communication Connection
1
Three inverters in one phase and only one inverter for the remaining two phases:
Power Connection
N
L1
L2
L3
N
L1
L2
L3
Communication Connection
1
P1
P1
2
P1
P1
2
P2
3 4
P2
P2
3
52
P2
P3
5
P3
P3
4 5
P3
6