Recent content by DIYron26

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    Replacing Danfoss FP715SI with Nest Third Generation

    @CountryFan only photo I have atm
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    Replacing Danfoss FP715SI with Nest Third Generation

    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...
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    Replacing Danfoss FP715SI with Nest Third Generation

    @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...
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    Replacing Danfoss FP715SI with Nest Third Generation

    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...
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    Replacing Danfoss FP715SI with Nest Third Generation

    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
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    Replacing Danfoss FP715SI with Nest Third Generation

    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...
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    Replacing Danfoss FP715SI with Nest Third Generation

    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...
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    Replacing Danfoss FP715SI with Nest Third Generation

    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
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    Replacing Danfoss FP715SI with Nest Third Generation

    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...
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