EYB250…256: ecos, Room operating unit for individual-room controllers
Used as a temperature sensor and for operating an individual-room controller (ecos EYE200 to EYE206, as well as EY-RC208, 209).

Housing (76 × 76 mm) of fire-retardant thermoplastic, pure white (RAL 9010). Depending on the type: with ad-juster for setpoint correction, with a button and 3 LEDs for 3 room-occupancy levels, with a button and 4 LEDs for 4 fan speeds or with 4 buttons and LCD for setpoint correction, display of actual value, room occupancy, fan speeds, window contacts and dew-point alarm. Terminals 3 × 1.5 mm2. Cable inlet at rear. Standard version: with black baseplate.