User Manual

C T C o n n e c t i o n
Ø
The current sensor measures the current on the live wire between the
inverter and the public grid.
Note for CT connection:
• Do not place the CT on the N wire or ground wire.
• Do not put CT on the N line and L line at the same time.
• Do not place the CT on the side where the arrow points to
the inverter.
• Do not place the CT on non-insulated wires.
• The cable length between CT and inverter should not
exceed 100 meters.
• After CT is connected, prevent the CT clip from falling off.
It is recommended to wrap the CT clip around in circles with
insulating tape.
Note!
＞Select
CT
CT/Meter Setting
LCD settings
To select CT, you need to enter Use setting, then enter CT/Meter
Setting.
Electrical Connection
Electrical Connection
1 2
3
4
5
6 7 8
1
8
1
2 3 4 5 6 7 8
485A 485B
CT-S-2
CT-R-2CT-R-1
CT-T-2
CT-T-1
CT-S-1
Note!
Only one of the Meter and CT connections can be selected.
Meter cable goes to pin terminal 4 and 5; CT-R cable to PIN
Terminal 1 and 8; CT-S cable to PIN Terminal 2 and 7; CT-T cable is
connected to terminals 3 and 6.
CT connection diagram
52
53
CT
Public Grid
electricity
Meter/CT port is at the
bottom of the inverter.
Note:The arrow on the CT
must point at the public
grid.
Meter/CT
Grid
Loads
L1
N
L2
L3
com
Upgr ade/D ongle
CT-R
CT-S
CT-T
Household Meter
the direction
of the CTs