This premium 4.3-inch TFT color touchscreen FCU thermostat (Item No.: FT-CS03) is engineered for precise heating and cooling regulation of fan coil units in modern commercial and residential buildings. Model No.: FT-CS03 System Compatibility: Designed for 2-pipe or 4-pipe fan coil units (FCU) Proportional Control: Advanced valve control via 2-point or 0-10V modulating output Fan Support: Compatible with traditional 3-speed fans or high-efficiency EC motors Smart Integration: Supports Modbus RTU and BACnet management control for BMS integration Scheduling: 7 days, 4 periods programmable settings for optimal energy efficiency Safety & Reliability: Features Non-Volatile memory (data retained during power outage) and optional Child Lock Flexible Extensions: Supports External Sensor, Occupancy Sensor, and WiFi Remote Control (Optional)