Bypass Mode - Vertiv Liebert ITA2 Installer/User Manual

Vertiv™ Liebert® ITA2 Installer/User Guide

1.3.3 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 1.6 Bypass Mode Operation
Item
1
2
3
4
5
6
7
8
9
10
11
12
13
8
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
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