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Replacing Hive Mini with Tado v3 wireless starter kit

jhghg2
jhghg2 ✭
edited February 11 in General Questions & Topics

Just moved into a new house where the previous owners had a Hive Mini connected to a Glow Worm 18si boiler, they also left an old thermostat connected. With the old thermostat connected the Hive just controls turning the heating / hot water on and off which works fine.

I have purchased the Tado v3 wireless starter kit with the intention of replacing the Hive with it and once this is working then eventually remove the old thermostat out of the equation.

I followed the instructions and wired up the Tado receiver, the lights come on on the receiver when I turn on the hot water or heating but the boiler does not turn on.

This is the old wiring from the hive

IMG_0994.jpg

And this is the new wiring in the Tado receiver.

IMG_0997.jpg

Any help would be greatly appreciated.

Answers

  • wateroakley
    wateroakley Volunteer Moderator

    @jhghg2 Hello. This is a wiring problem. The purple link on CH NC is incorrect. The two purple link wires should go Supply L to CH COM to HW COM.

    The Tado wireless temperature sensor is measuring your room temperature and (with the App settings too) telling the wireless receiver to turn CH on and off. Important to know, the wireless temperature sensor also controls the hot water.

    If you have kept the old thermostat in place, you'll have to turn it up to maximum, for it to always 'call for heat' and thereby turn on the CH.

  • jhghg2
    jhghg2 ✭
    Well spotted @wateroakley i knew that this must be something simple, but totally missed my error. I had to roll back or we’d have no heating so will try again tomorrow.

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