With this PC board controller, AirLeaf DC fan coils can be connected and controlled via the INNOVA room thermostat B3V151II (white) or the electromechanical built-in unit B3V152II (black). Specifications: - 3 speed settings via INNOVA room thermostat - 3 speed settings via INNOVA built-in thermostat - Season selection

Note:
Deze B4V642II board bediening geldt for AirLeaf 2-pipe and 4-pipe fan coil models: SL, SLS and RS. It is factory-fitted as standard.