My previous research on this suggested that Worcester boilers do not
support OpenTherm. There is an "easy control adaptor" but it only
converts EMS to OpenTherm and not the other way around. However, you
should check yourself as my research was about...
Can you see the heat link? Does it have a green light on the front? I
think you can ignore the other comment about C-wire as you said "the
thermostat is permanently mains connected" which I took to mean you have
connected it via a USB cable to a char...
Let me try and explain again.Assumptions: you have one thermostat say in
room1 and TRVs on most radiatorsLet's say your heating is turned on,
that is in a position to fire up should there be demand for heat. Now
let's say you have your thermostat set...