Hi
could it be anything to do with the room stat?
the old honeywell one i removed had a 3 wire connection. The new one - DT90E is using only 2 wires ie without the neutral.
When the neutral is connected it trips the RCD.....
Hi I've recently had a new boiler installed - Potterton Suprima HE. I also have a new programmer - Honeywell ST699 and Room stat - Honeywell DT90E. The Programmer is a Sundial Y plan with a gravity hot water/pumped central heating system so the heating only works when the water is also on. The hot w...
Hi all I am trying to simply change a bathroom light fitting. When I removed the old fitting I was very surprised to see 12 wires - 5 Live, 3 Neutral and 4 Earth. Can all the corresponding wires ie all the live, all the neutral and all the earth be wired together? Any help would be much appreciated....