7 Electrical Connection
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7 Electrical Connection
7.1 Safety
Danger
Danger to life due to lethal voltages in the inverter!
Before performing any work on the inverter, must disconnect both AC and
DC sides.
Warning
Damage to electronic components may happen due to electrostatic
discharge. Take appropriate ESD precautions when replacing and
installing the inverter.
7.2 Network Diagram
Electrical connections of inverter include grounding connection, PV array connection, AC
connection and communication connection.
PV array Inverter Breaker Fuse Electricity meter
FIG. 7-1 Network Diagram
7.3 Meter/CT Connection (Optional)
The inverter has integrated export limitation functionality. To use this function, a power
meter or a CT must be installed.
7.3.1 Meter connection
If use the meter, it shall be installed in the grid side, shown as FIG. 7-2.
L
L'
N
N'
5 6 7 8
L
N PE
L
N
PE
L
N PE
Load
~
CT/ Meter
FIG. 7-2 Meter Connection in Grid
L
N
PE
