As a extra for any vokera owners,
This is the interface plug to be able to use opentherm and/or weather compensation if your model isn't opentherm native.
This is what a £20 plug looks like
The cn5 on off needs to be linked for opentherm to run I think.
Also here's the tado EU receiver wiring.
This is the interface plug to be able to use opentherm and/or weather compensation if your model isn't opentherm native.
This is what a £20 plug looks like
The cn5 on off needs to be linked for opentherm to run I think.
Also here's the tado EU receiver wiring.