Thanks, so the existing wires coming into the terminal (3 amp supply) and the L and N for the nest will both be in the same corrosponding holes? As in live and neutral coming in from the 3 amp supply and going out to the nest live and Neutral in the same side and same holes?
I have just purchased the nest gen 3 I am happy that 1 and 2 on the baxi 105e boiler connect to 2 and 3 on the heat link.
However the neutral and live are confusing me, do they connect from the rh side of the terminal block , brown and blue wires? If so do the brown and blue wires stay in the...