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4.3.
CT / CAN / RS485 / NTC connection (for Pylontech battery)
The CT (Current transformer) measures the value and direction of AC current. Refer to Fig. 11 for the correct
connection of CTa.
Fig. 11 CTa connection
Step 1:
Refer to Fig. 11 for correct position of CTa. Install the CT around the L wire of incoming power line.
Step 2:
You can use network cable & terminal caps to extend CT wires if necessary, the maximum CT cable length is
200m.
CT wire
Extension cable (network cable)
HYD-ES inverter
Red
Orange / white orange / brown / white brown
CT+
Black
Green / white green / blue / white blue
CT-
