The temperature controller for Fan Coil Unit will be electronic type with integrated ON/OFF and 3 FAN SPEED switches. It will be suitable for operating 2 position, 3/2 Way Valve. The controller will have a precalibrated NTC thermistor sensor and will be suitable for operation in the range of 15°-35° C with a switching differential of 1°C.

The controller shall sense the water temperature through an external sensor and automatically switch to Heat/Cool mode.

To save energy, the controller shall be able to accept a signal from occupancy sensor and shall operate in occupied/unoccupied mode as under.

Occupied Mode: The thermostat works on set point.

Unoccupied Mode: The thermostat sets the temperature up by 3° C from set point in cooling operation and sets the temperature down by 3° C from set point in heating operation.