Yep did exactly that a few times but still no luck. There was no wireless signal logo on the thermostat once i did the binding steps and the relay didnt go solid green. The relay red flashing light turns off and doesnt do anything when i increase the temp on the thermostat. I've ordered this new...
I removed the yellow link wire and it still didnt work so i think this relay box isnt compatible with the T3R and i need to change it to a newer honeywell home relay.
Hi everyone, i need some help with the Honeywell BDR91 relay wiring that i am trying to get working but have no idea what to do.
This was originally paired with a CM921 thermostat but the screen on it stopped working. An engineer came out and said he has "disconnected it" so the boiler has been...