THREE PHASE HI 8~12kW | Installer Manual23
Connecting the CT Coil
The CT coil is one of the most important parts of the Sunsynk inverter. This device reduces the power of the
inverter to prevent feeding power to the grid. This feature is also known as “Zero Export”.
1. Fit the coil (sensor) around the live cable on the main fuse feeding the building and run the cable back
to the inverter. If using an external meter, you can extend the cable for more than 10 metres. Please
consult the meter manual on distance.
2. Connect the other end of the CT coil to the inverter terminals.
White wire
543 6 7 8
Black wire
Grid
N
R
S
T
CT1
CT2
CT3
GRID
N
R
S
T
PE
CT
Arrow pointing
to inverter
Inverter
NOTE:
When sunlight falls on the solar panel, it will generate a voltage. A high voltage generated by panels
in a series conguration may cause danger to life. Therefore, before connecting the DC-Input line, the
solar panel’s surface should be shielded from the sun’s rays by some opaque material, and the DC
switch should be o. This will prevent a high voltage from owing to the inverter, thereby causing risk
to persons conducting installation or maintenance.
NOTE:
When the inverter is in the o-grid state, the N line needs to be connected to the earth.
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