Sub-menu screen Result: • The indoor unit is now the changeover master ” icon not displayed). • All sub controllers display the “ ” icon. Installer Menu How to enter the Installer menu Installer menu screen Home screen Press and hold button for 5 seconds or longer to display the information screen. 30 28 Information screen Press (in that order) and hold them down for 10 seconds. The installer menu screen is displayed. 12:34 23