12 Apr 2020
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United Kingdom

I plan on installing a Nest Thermostat E with Heat Link to my property however can’t seem to match up the wiring on the apps instructions.

The property was built last year and has air source heating installed, I have, in the cupboard some sort of tank with a Daikin control panel. I have then, in the hallway a Myson Thermostat for my heating.

I cannot match up the wiring on the nest app and not sure if it’s compatible or not.

I have attached my current set up including the wiring for the Myson.

The device will be provided from SSE Energy with the heat link I believe.

I most likely will need to terminate the live wires because it’s battery powered, what’s the best and easiest way to do this?

Last edited:
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Looks like Neutral and live the same then black to 2 common grey to 3 switchlive
Check wiring tho as not done one for a bit but I’m sure common is terminal 2
Black and grey to the Nest terminals.

The blue/brown L&N are 230V power for a proper mains powered thermostat or receiver, but as you have purchased a battery operated piece they are not required, but must be safely terminated and insulated.
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