10
User Manual 10H52188UM60 - Rev. 2 - 09/2012
Product Introduction
Liebert NXC
1.5
UPS State And Operation Mode
The UPS state and operation mode include: Normal mode, Bypass mode, Battery mode, FRC (Frequency Converter) mode,
ECO mode, Fault state and Maintenance Bypass mode. The operation schematic diagrams of Normal mode, Bypass mode,
Battery mode, Maintenance Bypass mode, ECO mode and FRC mode are shown in Figure 1-7.
Figure 1-7 Operation schematic diagram
For the LED indicators introduced in this section, refer to 5.1.1.
Bypass input
Mains input
Normal mode
Output
Bypass input
Mains input
Bypass mode
Output
Bypass input
Mains input
Maintenance
Bypass mode
Output
Bypass input
Mains input
Output
ECO mode
Mains
input
Output
FRC mode
Bypass input
Mains input
Battery mode
Output
