Recent content by RJPT75

Thank you so much D_Hailsham, i relay do appreciate all your help and advice. PS. touch screen only available in 4 channel. Once again many thanks. Regards Richard

looking at the wiring adjacent to the boiler i can see that from the tank thermostat i have: Brown wire connected to the 230V supply Black wire which is connected via the junction box to the pump brown wire and valve orange wire. Blue wire connects to the grey valve wire.

As mentioned i have never turned my hot water off, the current timer is set to be 'ON' 24/7 and has not been switched off via the timer for over 4 years. for this reason could i not continue to install the TM4 and just leave the HW OFF terminal disconnected. Would this way work? if not does...

Thank you DH, I do have a Y plane with the 3 port mid position valve. Due to kitchen refurbishment i wanted to replace my old programmer. Heatmiser site did not inform for which plans there touch screen is and is not compatible with. I do not want to change any valves or pipe work, just...

[/URL] Thank you Kevindgas for the very fast response, Above is the only wiring diagram that accompanys the new TM4 unit. I understand that the 'HW on' L will connect to the new switch live 1 and the 'CH on' will connect to the switch live 2. Is it ok to leave the 'HW off' disconnected as...

Hello all, I am replacing an old APL lifestyle LP241 programmer with a new Heatmiser TM4 touchscreen. On the old timer plate has wires for L, N, HW on, HW off and CH on (CH off wire is not connected for some reason) although it all works as it should. The new programmer Only allows for L, N...