7 Commissioning User Manual
58
* The CT clamp of 1-phase sensor can be placed before or after the main switch.
Before the verification, proceed as follows:
y
Disconnect the DC switch between the inverter and the battery module.
y
Make sure that the L line and N line are connected to the right terminals.
For Incorrect Installation Position
Make sure that the 1-phase sensor of the SUNGROW meter should be placed to the
phase line (L) from the main switch. If otherwise, the energy flow indicated on the
LCD will be wrong.
Action LCD Display Explanation
Turn off all the household loads.
All the PV power generation
should be exported to the grid, as
shown in the “Correct” figure.
1
For Reverse Sensor Connection
Make sure that the arrow on the 1-phase sensor must point away from the grid
towards the load. If otherwise, the energy flow indicated on the LCD will be wrong.
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