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Vertiv™ | Liebert® PSI5 120V Input / 120V Output & 208V lnput / 208V Output Installer/User Guide
3 Operation ..............................................................................................................................................................................................17
3.1 Modes of Operation ........................................................................................................................................................................................................ 17
3.1.1 O Mode .................................................................................................................................................................................................................... 17
3.1.2 On/Normal Mode ............................................................................................................................................................................................. 17
3.1.3 On/Automatic Voltage Regulation (AVR)/Boost Mode ............................................................................................ 17
3.1.4 On/Automatic Voltage Regulation (AVR)/Buck Mode ............................................................................................... 17
3.1.5 On/Battery Mode ............................................................................................................................................................................................. 17
3.1.6 Fault Mode ............................................................................................................................................................................................................. 17
3.1.7 Battery Self-Test Mode ...............................................................................................................................................................................17
3.1.8 Controls ..................................................................................................................................................................................................................... 18
3.2 Display Panel Indicators ........................................................................................................................................................................................... 19
3.3 Audible-Tone Indicators ............................................................................................................................................................................................21
3.4 Warnings ..................................................................................................................................................................................................................................21
3.5 Faults ..........................................................................................................................................................................................................................................22
3.6 Normal Startup .................................................................................................................................................................................................................. 22
3.7 Normal Shutdown ........................................................................................................................................................................................................... 23
3.8 Full Shutdown.....................................................................................................................................................................................................................23
3.9 Conguring UPS with the Settings Menu ..............................................................................................................................................23
4 Maintenance and Battery Replacement .............................................................................................................. 27
4.1 Precautions ............................................................................................................................................................................................................................27
4.2 Battery Charging .............................................................................................................................................................................................................27
4.3 Replacing the UPS Batteries ...............................................................................................................................................................................27
5 Specifications ..................................................................................................................................................................................31
5.1 Run Times ...............................................................................................................................................................................................................................38