Page 5620-00082-01-us (en)ENGLISHContents1. Introduction ....................................................................................... 61.1 Environmental protection ...............................................................................................62. Presentation ...................................................................................... 72.1 Standard installations.........................................................................................................72.2 Tower rear panels ...............................................................................................................82.3 Rack rear panels ................................................................................................................92.4 Control panel ................................................................................................................... 102.5 LCD description ............................................................................................................... 112.6 Display functions ............................................................................................................. 122.7 User settings ................................................................................................................... 123. Installation ...................................................................................... 143.1 Unpacking and contents check........................................................................................ 143.2 Battery module connection (Tower) ................................................................................. 153.3 Battery module connection (Rack) ................................................................................... 153.4 Installation of tower models ............................................................................................ 163.5 Installation of rack model for 2 post (option) ................................................................... 163.6 Installation of rack models (550 R) .................................................................................. 173.7 Installation of rack models ............................................................................................... 173.8 Installation of rack model for wall mounting .................................................................... 183.9 Communication ports ..................................................................................................... 194. Operation......................................................................................... 204.1 Start-up and Normal operation.........................................................................................204.2 Starting the UPS on Battery ............................................................................................204.3 UPS Shutdown ................................................................................................................204.4 Operation on Battery Power ............................................................................................204.5 Return of AC Input Power ................................................................................................214.6 UPS remote control functions .........................................................................................215. Maintenance ................................................................................... 225.1 Troubleshooting................................................................................................................225.2 Battery-module replacement ...........................................................................................236. Appendices ...................................................................................... 256.1 Technical specifications....................................................................................................256.2 Glossary ...........................................................................................................................27