Apparently faulty programmer. However it has been replaced and although i can operate both sides of the programmer I can only get heating when hot water is on.
Any advice on this matter
Thanks
Nick
Thanks for that
Wired as stated. ch switch does not seem to work on timer as it does nothing, hw switch seems to turn on both circuits.
any ideas
Thanks
Nick
Hi
I have a central heating system which has none of the wires connected to wiring centre or the programmer. Just the wires hanging.
I have:
Honeywell V4073A Mid Position Valve - 5 wires
white=ch on
orange=boiler & pump live
Grey=HW off
Blue=Neutral
Yellow/green=Earth
Cylinder...