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Connecting Grid AC Terminals （ X2 ）
No.
1
Three-Phase
L1
If multiple inverters are connected in parallel, the connection of AC power cables L1, L2, and L3
on the power grid side of the Backup Boxes connected to each inverter must be the same.
3.5
Installing an Inverter AC Input Power Cable
Connecting AC Input Terminals of the Inverter （ X3 ）
No.
1
2
Single-Phase
-
L
Connecting AC Input Terminals of the Inverter （ X3 ）
No.
1
2
Three-Phase
L1 -
2
3
4
L2
L3
N
3
4
5
6
-
-
-
N
3
4
5
6
7
L2 -
L3
-
-
5
6
7
-
PE
-
7
8
9
10
-
-
-
PE
8
9
10 11 12 13
N
-
-
-
PE -
7
X2
11
-
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