Operating Instructions DuoFern Sun Sensor 9478-1 Y. Beenen Updated September 03, 2024 13:51 Follow Download PDF Related articles Operating Instructions DuoFern Sun Sensor 9478 Initial startup of sun sensor 9478-1 (direct logon to actuators) Initial commissioning of sun sensor 9478-1 (logging on to HomePilot) The registered device does not respond to the sun sensor 9478-1 Help for setting the sun sensitivity of the 9478-1 sun sensor