At the reception, the beginnings were laborious summers. No instruction in French, just in German language I speak absolutely not. I thank the team of amazon who managed to get a link to a notice in English because personally I n 'had not found anything on the net. I had called in parallel Komforthaus unreachable because of the bridge on May 8 From Monday I was reminded by this company who apologized for the failure at the instructions in French, telling me they were going to do the necessary to remedy as quickly as possible to this state of facts. They sent me a link to help me with exact product leaflet in French. Thank you to them for their seriousness. With this manual programming is easy and reliable operation of the system at the temperature accuracy. All this perfectly fulfilled its role, I am very satisfied with the product. I do not put five stars because of the manual in German and that the temperature display is that of the programming and not that of the part which is a pity in my opinion. A set thermostat to recommend without restraint.