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 Function 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 Function button.
This function is disabled when you press the Mode or Jet Mode button.
This function is available with the Cooling, Heating and Auto Changeover modes.
When connected to the Multi Outdoor unit, this functions may not be supported.