
Electrical Connection
ESS Inverter User Manual
21
The bottom view
Grounding
Terminal
The inverter must be grounded; otherwise, there may be electric shock
risk
.
WARNING
4.1
Grounding
A protective earth (PE) terminal is equipped at the side of the inverter. Please be sure to connect this
PE terminal to the PE bar for reliable grounding. AWG 10 or 12 yellow green lines are recommended.
If the positive pole or negative pole of the PV array is required to
be grounded, then the inverter output (to AC grid) must be isolated
by transformer in accordance with IEC62109-1, -2 standards.
CAUTION