BUS C H- /AB B- S ECU R E @ HO M E2CSM 6 0072 7D0 9 01 32 /5611 INSTALLING THE CENTRAL UNITRefer to the specific "Installation sheet" rapid guide for information on installing and secur-ing the central unit.11.1 WorkspacesThe central unit manages 2 separate workspaces: the end user's workspace and the installer'sworkspace. Two specific authentications are required to access these two spaces: a level 2authentication and a level 3 authentication.As standard, the first log-in must always be performed by a level 2 user, followed by a level 3user for the functions that require it.When a level 2 user logs in, the menu described in paragraph2.1.3 Main user menu appears.When you access the installer section the specific screen for the environment appears:11.2 First start-upA guided sequence of steps (Wizard) to be performed appears upon first start-up. Details ofthis procedure are provided in the Central unit Quick Guide manual, included in the packag-ing. A summary of the steps to be taken is provided here below:1. Select the language.2. Creating a level 3 - Installer user and PIN (Required to proceed).Only one level 3 - Installer user/PIN can be set up for each system, and it must becreated at this stage.3. Connection to Busch-/ABB-free@home (optional).4. Date and time setting (Required to proceed).5. Device acquisition and parameterization (optional/recommended).For system devices and technological sensors the assignment is automatic, whilein the case of intrusion detectors the control unit will ask to assign the sensor to azone, if not connected to free@home. The zone can be added at this stage or se-lected from those previously created.6. The process described in point 5 shall be repeated cyclically until all the necessarysystem devices and sensors have been acqui-sites.7. Inserting the telephone numbers of the notification contacts (optional).8. User creation and Level 2 PIN-User (required).9. System Test (optional)11.2.1 AuthenticationFor general information on authentication, refer to chapter 2.4.WARNING!In working mode, no level 3 user can access the system unless authorised by a level2 user.1. Press the ok key on the key pad. A window will appear showing the level 2 users setup for the system;