So the first picture is what my heating system looked like before hand and the second shows what has been done to get it to turn on. I've connected the 3 live into a 4 port push in connector and then I've rang a wire from the 4th port into the nest heat link, I've done the same with neutral and...
Hi,
I'm trying to replace my old heating system (Danfoss) with the Nest learning thermostat (3rd generation).
I have removed the programmer (FP/CP715-Si) from the wall and it shows the following wires (please see attached image)
3 x going into live (L)
3 x going into neutral (N)
1 x going into...