Table 2-3 definition pin interface
Relay output normally closed contact
Neutral point of relay output
Relay output normally open contact
2.4.2 MEZ display definition
Inverter on, the icon always on;
Inverter off, the icon is off
With AC input, the icon always on;
Without AC input, the icon is off
Always on when charging;
Off when discharging or standby
Flashes when the inverter is in overload alarm;
always on when the inverter is in overload protection
Flashes when the battery is in under-voltage alarm;
Always on when the battery is in under-voltage
protection.
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