Battery Mode - Vertiv Liebert ITA2 Installer/User Manual

1.3.2 Battery Mode

Battery mode supplies battery power to the load if utility power fails or if the utility voltage goes outside of
the permissible range. On the front-panel display, the run indicator (green) is On, the alarm indicator
(yellow) is On, and the buzzer beeps once each second. The LCD "Current" screen displays "On Battery."
Figure 1.5 Battery-mode Operation
Item
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1 Product Description
Description
Bypass input
Maintenance-bypass breaker (MBB)
Bypass-input breaker (BIB)
Static switch
Rectifier input
Rectifier-input breaker (RIB)
Rectifier
Battery charger
Battery
Inverter
Automatic inverter switch
Maintenance-isolation breaker (MIB)
UPS output
7