1�8�2� Bypass Mode - Vertiv Liebert GXT5-750IRT2UXL Installer/User Manual

1.8.2. Bypass Mode
Bypass mode supplies power to the load from the bypass source (utility power) 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 seconds� The LCD "Flow" screen displays "On Bypass�"
of bypass mode�
NOTE: If utility power fails or if the utility voltage goes outside of the permissible range during bypass-mode
operation, the UPS shuts down and no output is supplied to the load.
Figure 1-15 Bypass-mode Operation
ITEM DESCRIPTION
1 Mains/Utility input (by-pass input)
2 Rectifier/PFC
3 Inverter
4 Battery charger
5 Battery
6 Bypass static switch
7 UPS output
Vertiv | Liebert® GXT5™ | Installer/User Guide
Figure 1-15 shows the diagram
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