1�7�2� Bypass Mode; 1�7�3� Battery Mode - Vertiv Liebert GXT5-5000MVRT4UXLN Installer/User Manual

1.7.2. 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 1-13 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
1.7.3. 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 "Flow" screen displays "On Battery�"
diagram of battery mode�
14
Figure 1-13 shows the diagram
Figure 1-14 shows the
GXT5 Description