Update: I have now wired the next in, link is connecting to thermostat and everything appears to be correct, however boiler is not firing when I call for heat on the thermostat. I tried leaving the “On/Off thermostat input” link in place and then without after restarting from the power supply...
@ericmark there is currently no thermostat on this boiler, it is in a different property, so I am adding the Nest.
I understand the links etc on the CH/ DHW (LR’s). However on the other side, the ultra low voltage side, there is currently a wire in the “On/Off thermostat input”. My question is...
Thanks @ericmark . That makes sense now after watching some other videos/ reading other threads. One thing that hasn’t been clear anywhere and I can’t find the answer to is if the low/ no voltage “On/Off thermostat input” should remain connected. I assume it should be as the link on the CH that...
I do want to attach this thermostat so any wiring advice would be appreciated. Please see clearer images and images with blocks removed for clearer picture
Hi Eric, this was my original thread. You were acctually the one that helped me to install this originally. I agree that it has limited controls however for the rads, current set up, and price I paid we are going to use it. Would you be able to help with the wiring to the boiler in the above...
Hello, not sure if anyone can help. We are moving house and I have disconnected the nest, replaced it with the Danfoss and will be fitting the nest to a new combo boiler. This is the current wiring in the boiler. The thermostat will be wired in another room via an existing cable, but I am...
Thanks so much!
Only thing I’m still confused on is the last point - we do want to keep the thermostat in the same place (downstairs hallway) please could you clarify?
I also think the nest has two ports on the thermostat whereas we currently have three cables connected up to it.
Thanks again
I am wanting to replace my current thermostat/ programmer with the Nest 3rd generation. I have a conventional boiler. Before I go ahead and buy it I want to make sure it will work and what wiring needs to be in place. Any help is appreciated. The large amount of wiring is located beneath the...