Recent content by Ne0star

For anyone who might be interested I managed to sort this out. I figured out I have an 'S-Plan' system and after studying the associated wiring guide in the nest manual it was clear my wiring almost matched the diagram pretty much perfectly even down to colours. I clearly got a bit caught up...

Your totally right, I have double checked the wiring and although the white cable is connected to neutral at the controller, its not connected to anything at the thermostat end. Its a black cable and live at the thermostat. However the Black cable isn't connected to anything at the controller...

I live in a new build and I'm currently trying to replace the fitted controller and wired thermostat with a 3rd gen nest. Heating is a system boiler with tribune hot water system and wired stat. There is plenty of info with regards to the wiring, but I am struggling with the old wired...