Need help, trying to wire my Y plan central heating in but having trouble with the Boiler wiring. Some time ago I had a new Boiler fitted and because they need to wire the pump Live they moved the programme box which was situated next to the Boiler up into the landing cupboard where the water cylinder is. Now, there are six wires coming out of the boiler, Live, and earth have been wired straight into a ring main along with a brown wire into the ring main live. Blue wire is just connected into a single block with no other wire's connected.
The other two wires (Grey & Black) have been connected into a wire leading up to the junction box in the landing cupboard. I guess one of those is the Switch live (Grey?) but don't know what the other wire is.
Any advice please
The other two wires (Grey & Black) have been connected into a wire leading up to the junction box in the landing cupboard. I guess one of those is the Switch live (Grey?) but don't know what the other wire is.
Any advice please