Vertiv Liebert EXS - Bypass Mode

2.6.3 Bypass mode
Bypass mode supplies power to the load from the bypass source if an overload or fault occurs during normal operation. 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 Bypass.
Figure 2.7 Bypass Mode Operation
Item Description
1 Bypass input
2 Maintenance byass breaker (MBB)
3 Bypass input breaker (BIB)
4 Static switch
5 Rectifier input
6 Rectifier input breaker (RIB)
7 Rectifier
8 Battery charger
9 Battery
10 Inverter
11 Automatic inverter switch
12 Maintenance isolation breaker (MIB)
13 UPSoutput
2 Product Description Proprietary and Confidential ©2023 Vertiv Group Corp. 13
Vertiv™ Liebert® EXS Installer/User Guide