Ups State And Operation Mode - Liebert NXC User Manual

Product Introduction

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.
Bypass input
Mains input
Normal mode
Bypass input
Mains input
Battery mode
Bypass input
Mains input
ECO mode
For the LED indicators introduced in this section, refer to 4.1.1.
8
Bypass input
Output Mains input
Bypass mode
Bypass input
Mains input
Output
Maintenance
Bypass mode
Output
Mains input
FRC mode
Figure 1-7 Operation schematic diagram
User Manual 10H52188UM51 - Rev. 1 - 09/2011
Liebert NXC
Output
Output
Output