Source google image: https://lh4.googleusercontent.com/-l0_-yrkEDlE/UfGOKbgJzeI/AAAAAAAAR-k/Aj_GjrB0NaY/s640/Image_14.jpg
Schéma branchement électrique vmc double flux
Source google image: https://lh4.googleusercontent.com/-l0_-yrkEDlE/UfGOKbgJzeI/AAAAAAAAR-k/Aj_GjrB0NaY/s640/Image_14.jpg