The TF228WN digital thermostat is designed for 3-speed fan and valve control in a fan coil system, including:
2-pipe cool only/heat only/manual changeover
Ventilation mode
Manual or automatic 3-speed fan control
Water valve control
Besides the basic controls, TF228WN featuring CPH (Cycle Per Hour) better maintains the room temperature to the setpoint and memorized time off function can automatically turn off the thermostat to save energy.
