Battery Mode - Vertiv Liebert EXS Installer/User Manual

1.5.2 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
1
2
3
4
5
6
7
8
9
10
11
12
13
10
Description
Bypass input
Maintenance byass breaker
Bypass input breaker
Static switch
Rectifier input
Rectifier input breaker
Rectifier
Battery charger
Battery
Inverter
Automatic inverter switch
Output breaker
UPS output
Vertiv | Liebert® EXS™ Installer/User Guide