Source google image: https://utiliserlethermostatnesteneurope.files.wordpress.com/2012/12/nest-thermostat-in-europe-220v-aube-matt-2012_v1_20121222.jpg?w=490&h=379
Schema electrique branchement thermostat
Source google image: https://utiliserlethermostatnesteneurope.files.wordpress.com/2012/12/nest-thermostat-in-europe-220v-aube-matt-2012_v1_20121222.jpg?w=490&h=379