I have a Multiplus 12/3000/120-32 in my car with an RCD on the output.
I have the ground relay turned on in the settings.
I am using my inverter with my Honda EU2000 inverter generator and inverter in the car in power assist, to run my house during blackouts from a recent cyclone.
My understanding was the multiplus's internal ground relay was meant to open when the inverter sees mains power, in this case the generator which is ungrounded.
This isn't happening because my RCD trips as soon as the house DB (with MEN) is connected.
When generator is connected i can send the ground relay off setting from VE config and hear the relay opening.
All works as expected with the ground relay setting off.
So im wondering are there only certain conditions that the ground relay will open with mains connection? will it not open with and ungrounded supply?
Thanks