Installation thermostat nest avec 2 fils

[Mrkouaki]

Voilà j'ai une thermostat nest E et je veux la brancher avec une chaudière ITALTHERM a 2fils ils mon dit d'ajouter un 3eme fil C je cherche le schéma de cablage 

Merci 

[sicsacol]

Hi @Mrkouaki,

Thanks for reaching out. I'm sorry to hear you're having difficulties adding your Nest thermostat to your system. Don't worry, I'm here to help.

In order to continue, please share a picture of your current wiring configuration. You can upload the picture by clicking on the "camera icon" before sending the reply. Also, you can check if your system is compatible with your Nest thermostat, you can use our compatibility checker.

Any additional details you can provide will be helpful.

Regards,
Jonathan