
26
ESS Inverter User Manual
Electrical Connection
4.5
Meter/CT Connection
You can monitor usage with a meter or a CT.
4.5.1
Meter Connection
This section is applicable to non-parallel connection mode only.
ESS inverter supports the meter CHINT-DDSU666 5 (80)A meter by default. The meter is
optional.
N
Inverter
Side
L
N
Grid
Side
L
DDSU666 5(80)A
Before connecting to Grid, please install a separate AC breaker (not equipped) between meter and Grid.
This ensures the inverter can be security disconnected during maintenance.
The connection diagram of power cable of meter is as shown in the figure below:
Grid
Please refer to the meter instruction manual for details.
Normal Load
N
N
L
L
3
4
9
10
11
12
3
4
9
1
0
1
1
12
5
6
24
25
1
2
5
6
24
25
1
2