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Tado X Wireless Install - hot water works, but not heating

RajR34
RajR34 ✭
in General Questions & Topics

Hello all,

I have just installed a Tado X wireless thermostat and only the hot water function seems to be working - I have no heating working.

I have a conventional Bosch Greenstar 24i System mkIV boiler with a hot water tank in the loft.

I have had/have Horstmann Centaurplus C27 series 2 programmer, and a horstmann thermostat.

Not sure if it makes a difference, but I have a wired thermostat currently and going to wireless (see below, I've bridged some wires as I believe this is what I have to do?)

Ive attached some images of how I've wired the programmer,

Old wiring

IMG_2616.jpg

New wiring

and also the existing thermostat (I have bridged the black wire and the grey wire).

IMG_2615.jpg

Any help would be greatly appreciated - it feels like I'm almost there??

Also, I have a 4 month old baby in the house so no heating is far from ideal (don't worry we have an electric heater the heats bedroom!)

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Best Answer

  • RajR34
    RajR34 ✭
    Answer ✓

    I think I've fixed it! I think I bridged the incorrect wires on the existing thermostat.

    I've since changed the bridged wires to the brown and grey wires and I can feel the radiators getting hot at the bottom :)

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