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Pairing WIRED thermostats

OldTimer
OldTimer ✭
in General Questions & Topics
I've got 2 WIRED thermostats and a wireless receiver. Do I to pair each WIRED thermostat with the receiver?
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Answers

  • OldTimer
    OldTimer ✭

    The reason I'm asking this question is that the CH relay (and Led) on the Wireless Receiver seem to be operating and releasing but not in relation to either of the Wired smart thermostat's demand. I've temporarily bridged the Live and CH NO terminals so that I've got heating. The HW relay and LED work as expected.

  • Rob
    Rob Admin

    @OldTimer

    You only need to pair with the bridge. Later, in the app, you can use the Zone Controller setting to choose for each room (and thus each of your thermostats) individually if they should control the wireless receiver.

    Looking at the tado account with the same email address as your forum email address, I see pairing is completed and the zone controller settings are already as they should be. Both rooms in your app should be able to control the wireless receiver. Everything already looks fine, to me. It also seems to be working as it should?

    Please do note that with a relay system (as you have) and a heat request that is more than 0% and less than 100%, the relay will rhythmically switch on and off every so many minutes, based on the heat request. So it could be that you see that a room is actively asking for heat (but not with 100%), yet the relay is off. That is normal, assuming it will switch on again within a number of minutes.

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  • OldTimer
    OldTimer ✭
    Thank you for the comment. There is a problem because l know the thermostat is calling for heating because pump is running and the boiler is heating yet the CH led is not on at the same time.
  • OldTimer
    OldTimer ✭

    The reason my heating is working is that as I've bridged the Live to CH NO at the Wireless Receiver so that the wiring center is always powered for heating and therefore whenever a wired thermostat calls for heat it operates the motorized valve, pump, and boiler. If I didn't have the bridge then my heating would only work when the Wireless Receiver relay switches on. Observing it tonight sometimes the relay switches, sometimes it does not, and sometimes it switches off whilst the thermostat is still calling for heat. I don't really want to leave the bridge in place. 😟

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