What kit needed to make smart radiator works

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Hi everyone, I'm a newbie and clueless about heating .

So before I went and bought smart radiator kit , I consulted the tado team and they confirmed i just needed the smart radiator kit .

So here is what I'm trying to achieve, currently in order to heat up my 2nd room I have to turn on the thermostat in main bedroom which also will turn on the heater in the main bedroom.the main bedroom radiator doesn't come with thermostatic valve so it will turn on whenever the thermostat is on. So with the smart radiator that I installed in 2nd room I wish I could control when I want to heat up the room without having to heat up my main bedroom.

I installed the smart radiator in my 2nd room but the heating doesn't turn on when I try to turn it on. I know it was installed correctly as it was detected and also able to get the temperature.

Is there anything other kit needed to make it work ?I have an ideal logic COMBI ESP 135 and a danfoss thermostat


Thank you for the help and advice