Bypass Mode - Vertiv Liebert EXS Installer/User Manual

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
1
2
3
4
5
6
7
8
9
10
11
12
13
2 Product Description
Description
Bypass input
Maintenance byass 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
Proprietary and Confidential ©2023 Vertiv Group Corp.
Vertiv™ Liebert® EXS Installer/User Guide
13