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Switching relays

Mikeprice
Mikeprice
in General Questions & Topics
Hi with the WiFi room stats how do you get the relays to work, neither of the no or nc work and can’t find any info on it
Thanks

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  • Unknown
    Unknown
    This content has been removed.
  • hugbilly
    hugbilly ✭✭✭

    Could you explain the problem in a bit more detail, do you mean the TRVs or the Wireless Temperature Sensor ?

  • Mikeprice
    Mikeprice
    The wireless room stats, it’s for a friend of mine!
    He’s bought all the trv’s and has 4 zone under floor heating, obviously been tucked up by someone.
    They installed the initial stat etc and then added the 4 other wireless stats, they obviously will not work so my thought is to use them cabled.
    So if I put a meter across the contacts nothing happens, just trying to make the best of a bad job
    Sorry didn’t explain well
  • hugbilly
    hugbilly ✭✭✭

    If you've not seen them already you might want to look at these documents as a starting point:

    https://www.tado.com/all-en/professional-manuals

  • davidlyall
    davidlyall ✭✭✭

    Unfortunately, the wireless room thermostats do not have the capability to accept heating system wiring

    I can understand how it can be confusing but essentially, all Tado products communicate wirelessly (using 868MHz 6LoWPAN rather than WiFi). However, Tado sell two different smart thermostats - wired and wireless. The difference refers to their ability to manage switching. The wired thermostat has the capabilities built-in to switch between the NO and NC terminals or control the heating with Opentherm. The wireless thermostat is essentially just a measuring device that relies on another zone controller (wired thermostat or extension kit) to do the switching

    Your friend will need a way to actually provide power to the valves that control the UFH. This might be with wired thermostats in the rooms if the wiring is there already

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