The presence detects whether there is a person in the room and sends the information to the fan unit it is connected to via wireless connection. When the sensor detects a movement, ventilation speed increases for a set period of time. In case of detecting prolonged presence, the speed is further increased. If the sensor no longer detects motion in the room, during a set period, the speed is automatically decreased. 868 MHz wireless connection, 30 m in free field
-Detection range 11 x 12 m
-Type of sensor passive infrared
-Wall installation: 3x 4 mm screws (supplied) in corner: 4x 4 mm screws
-Installation height 2. 3-2. 7 m. ABS casing (RAL 9003)
-Electric featuresPower supply 3V CR123A (1x)
-Battery duration 3 years (in case of normal use)
