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Altantic Boiller and Tado wiring

London
London ✭
edited January 10 in General Questions & Topics

Hi everyone,

I'm in the process of replacing my old thermostat with a wired Tado V3, but I'm running into an issue. The old thermostat had just two wires connected to it, and following the manual instructions, I connected these to the + and - terminals on the Tado (on the right-hand side) and set the correct settings (D62).

However, with this wiring, the heating stays constantly on, regardless of what temperature I set on the thermostat or whether I try to turn it off.

My questions are:

  1. Is connecting the wires to + and - the correct way to wire it up for my setup?
  2. Do I need to adjust the wiring on the boiler itself to enable OpenTherm or any other settings?

Any help or suggestions would be greatly appreciated!

Thanks in advance!

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Comments

  • policywonk
    policywonk ✭✭✭
    Hi please give us the exact model of the boiler, and identify the Tado parts you are attempting to configure.
  • London
    London ✭

    Helloc@policywonk

    The name of the boiler is Ideal Atlantic 24 Combi and I am connecting the Wired Smart Thermostat Tado v3 to it.

    I'm connecting the wires to minus and plus. however on some forums I see that I should have connected it to COM and NO, however the heating doesn't work in this case at all.

    So essentially, the heating is either constantly switched on (+ and - Connect) or off (COM and NO connect).

    Appreciate your help in advance.

    Screenshot 2025-01-12 at 21.17.10.png

  • London
    London ✭

    hey @policywonk I'm wondering if you can guide me with my problem. I've read a few forums related to other boiler, do I need to connect the thermostat to Open Therm Connectors on the boilder?

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