This  FCU room thermostat is designed to control the fans, valves, dampers or electric heater in fan coil units and heating applications in industrial, commercial or residential environment. Very popular used in Hospital, School, Mall's Central Control System. RS 485 Modbus thermostats make it be possible be controlled by a main computor, easy to control and management. Item No.:FT-08 For 2- or 4-pipe fan coil units Valve control via 2-point(on/off output) or 0…10 V output Supports 3-speed fans or fans with EC motor Non-Volatile memory to keep program settings and setpoints during a power outage  Modbus/RTU management control (Optional) 7 days 4 perioods programmable (Optional) Child Lock (Optional) External Sensor  (Optional)  Keycard  (Optional)  WIFI Remote Control (Optional)