Vaillant hrPRO Cw 4 stays ON

amitw

Hi,

I have tried a Settingls

Opentherm : D01 : Works I mean it starts my boiler automatically but the when the temperautre reached or if I reduce the temperature still my boiler stays on and on (I can here the noise of the boiler when it is boiiling)

can you please suggest if I am doing correct setting of Open therm (D01) or not ?

Thanks!

Skippy

Use ebus, page 19 onwards of the tado pro installer manual.