Please help.. Wifi thermostat installation to valiant turbomax 824

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19 Jan 2021
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Can someone tell how to connect this
upload_2021-1-19_23-23-46.png


From this?
upload_2021-1-19_23-23-24.png

upload_2021-1-19_23-23-0.png


Boiler: vaillant turbomax 824
 

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That looks like a programmer/timer that you’re trying to replace. There appears to be an additional live and neutral, which could be the boiler feed. Do you have an existing thermostat?

Essentially it’ll be all Lives to L, all Neutral’s to N, and 1 to 1 and 3 to 2 on smart stat respectively.
 
Should be ok to wire up as I’ve suggested then, if you can get them all in.
 
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