They responded that this can only be done in the latest firmware. I know the inverts raises it's output voltage to match the input before reconnecting the grid so clearly it can do it just the set point is not available (in my firmware at least)
On this topic, can anyone with firmware later that e416 confirm they are able to adjust the inverter voltage to more than 220V - day 230?
Support tell me this can only be done with newer firmware but I only have the older data logger so want to be sure it's worth the effort of buying a new 1 just to upgrade the firmware.