Alpha Boilers weather compensation and controls

5 Jun 2022
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United Kingdom
Good morning, hoping someone could help clarify a few questions regarding the weather compensation features , specifically on the alpha e-tec combis please.

I understand that the aim of such devices are to keep the return flow temperature as low as possible to maximise condensation (following the heat curve). And that these heat curves essentially 'tune-in' the flow temperature depending on building make-up (heat loss). They should therefore keep the temperature more stable. Is this understanding, correct?

I also thought the benefit of the weather compensation probe was to reduce 'cycling', but given the user presumably needs a stat of sorts in the house still (to control desired temperature) , am unsure as to quite how it does this? is it because rather than blast out 80 and switch of then on / off /on etc about set-point (as per normal system) , the temperature oscillations are less pronounced (peaky) and so whilst it will still turn off and on it won't be so rapid?

Finally, a specific question regarding the alphas. Will the weather probes work with the 'easy stat'? - In my mind / understanding above , only timing and set-point (stat) are required from the stat. So guess it would be okay. The ‘Climatic’ stat has a to and from BUS with the boiler but I don’t see why it’s necessary for the stat to receive any info from the probe / boiler? Struggling to find any specific guidance on this.

Really appreciate any thought on the above.

Thanks in advance Ben

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Update , I'm led to believe that the weather probes will work with any controller.

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