I have Phoenix inverter 48V/3000VA Smart and I want to use it to power the house as offgrid. I made the island with TT architecture (pic. B), but I probe, that N of inverter is common to N of grid. I checked all and now i know, that inside inverter the N is connected to PE (wich is common to all: grid and offgrid outs). May I connect grid's N to inverster's N (pic. A) with any bad assues?