You can reduce the noise of the outdoor unit so that it will not inconvenience neighbours.
Turn the appliance on.
Press the Function button.
Press the L or M button until the below icon flashes at the bottom of the display screen. Then press the OK button.
Press the L or M button to set the silent function.
Each time button pressed, the function changes in this order: ON & OFF
Then press the OK button.
This function is disabled when you press the Mode or Jet/Soft button.
This function is available with the Cooling, Heating and Auto Changeover modes.