How to set the vertical airflow direction Depending on the system, there may be 2 louvers. Set louver 1 via the airflow direction menu, and set louver 2 via the vertical airflow menu, as shown here. During the setting process, decide on a up/down direction via the airflow direction menu and decide on an left/right direction via the vertical airflow menu. User menu screen Navigate to the vertical airflow menu. Vertical airflow screen Use and to adjust the vertical airflow direction and press to confirm. Position 0 Position 1 Position 2 Swing Position 4 Position 3 Result: The indoor unit changes airflow direction and the controller returns to the home screen. 22