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Tado overheats massively

FloMo
FloMo
in General Questions & Topics
Hey I have an issue with my wired Tado that is connected to our waterbased floor heating from Empur. It’s is massively overheating by sometimes 4-6 degrees. Has anyone else had the issue and knows what to to? Everything is correctly wired.

Answers

  • DM932187
    DM932187 ✭✭✭

    These might seem like somewhat random questions, but they'll help figure out what might be going on here...

    Is Tado solely connected to your UFH, or are you running radiators too?

    If the latter, is the UFH on its own zone?

    Is your Tado set up in relay mode, or modulation?

    As you're probably already aware, UFH needs to run pretty much constantly, at low temperature. The slab takes an age to heat up, but then takes very little energy to stay there. Is there any possibility you're putting too high a boiler flow temperature into that UFH to rapidly heat up the floor? If you are, you're going to get overshoot.

    Or are you saying tado keeps heating the floor even after target is reached?

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