Releasing the changeover master (VRV only) To change the authority to choose cooling/heating, you must first specify the remote controller with the authority, then release the authority. Depending on the system, setting may not be available. Prerequisite: You are in the installer menu. You are operating the controller of the indoor unit that you want to release from being the changeover master. Home screen 30 28 Press and hold button for 5 seconds or longer. The information screen is displayed. Information screen Press (in that order) and hold them down for 5 seconds. The installer menu screen is displayed. 12:34 Installer menu screen Navigate to the Rel Master Control menu “ 15