Backlit touch display. Output contact: ON/OFF 16A. Room temperature adjustment range: 5 - 40 °C. Displays both room temperature and programmed temperature. Includes frost protection and lock function. Sensor temperature adjustment range: 20° - 40 °C, preset to 30 °C. Flush-mounted in a 108x74 mm (503E) wall box.
Allows 4 temperature variations per day of the week. If built-in on 503E: 108x74 mm built-in FCU fan coils with 230 VAC power supply. Backlit display. With summer-winter sector. Temp. adjustment scale room: 5 ÷ 40 °C. Display of room and programming temperatures. If set to Auto it automatically allows you to vary the fan speed in relation to the room temperature and the temperature set in the following versions: Version A: variation of the 3 fan speeds: Min-Med-Max Version B: for fan coils equipped with modulating variation of the number of fan revolutions with 0-10 or 4-20 mA signal..