The control of the indoor unit evaluates the operating commands of the remote control and assumes the following functions:
• Evaluation of the suction air temperature of the internal heat exchanger, using the internal temperature sensor.
• Temperature adjustment of the internal heat exchanger using the heat exchanger sensor (Anti-freeze control)
• Louver motor control
• Control of the operation of the internal fan motor
• LED display control
• Transfer of the command signal (serial signal) to the external unit
• Reception of information on operating conditions (serial signal, including data on external temperature) by the external unit and error evaluation / display.