SiBE041011EC Main FunctionsFunction and Control 221.4 Fan Speed Control for Indoor UnitOutline Phase control and fan speed control contains 9 steps: LLL, LL, SL, L, ML, M, MH, H, and HH.The airflow rate can be automatically controlled depending on the difference between the roomthermistor temperature and the target temperature.Automatic FanSpeed ControlIn automatic fan speed operation, the step SL is not available.= The airflow rate is automatically controlled within this range when the FAN settingbutton is set to automatic.The following drawing explains the principle of fan speed control for cooling.*The upper limit is M tap for 30 minutes from the operation start.In heating operation, the fan speed is regulated according to the indoor heat exchangertemperature and the difference between the room thermistor temperature and the targettemperature.COMFORTAIRFLOWOperation The fan speed is controlled automatically. The latest command has the priority between POWERFUL and COMFORT AIRFLOW.Step Cooling HeatingLLLLLLMLMMHHHH (POWERFUL) (R11681) (R6834)(R14588)Fan speed+2.5°C+1.5°C+0.5°CMH*MMLL+3°C+2°C+1°CRoom thermistor temperature – target temperature
