The Honeywell TF228WN is a high-quality digital thermostat designed for 3-speed fan and valve control in 2-pipe Fan Coil Unit (FCU) systems, delivering optimal indoor comfort and energy savings.
✔ Flexible Control: Supports 2-pipe FCU systems (Cool only / Heat only / Manual changeover), Ventilation mode, and 3-speed fan operation (Manual or Automatic)
✔ CPH & Random Startup: Cycle Per Hour (CPH) maintains setpoint accuracy, while the Random Startup feature helps preserve power grid stability
✔ Smart Features: Memorized Time Off automatically turns off the device after a set period, and built-in Freeze Protection prevents pipe freezing
✔ Modern Design & Security: Large LCD display with backlight, simple user interface, 4 keypad lock options, and flush mounting on a standard 86mm box
✔ Reliable Performance: Powered by 220VAC (50Hz), ±1°C accuracy at 21°C, and non-volatile memory to preserve user settings during power loss