Operating instructions Sun/Twilight sensor 3711 Y. Beenen Updated March 25, 2024 11:38 Follow Download PDF Related articles Which sun / twilight sensor is required? Operating instructions RolloTron Comfort 1700/1740/1705 Which sun/twilight sensor is required for this RolloTron? In which lengths is the sensor available? Operating instructions RolloTron Basis 1100