Liebert NXC 40kVA - Chapter 4 Operator Control and Display Panel; Introduction; LED Indicators

Chapter 4 Operator Control And Display Panel 27
Liebert NXC 30kVA And 40kVA UPS User Manual
Chapter 4 Operator Control And Display Panel
This chapter expounds the functions and use of the components on the operator control and display panel of the UPS,
provides LCD display information, including the LCD screen types, detailed menu messages, prompt windows and
UPS alarm list.
4.1 Introduction
The UPS front provides the operator control and display panel. It is the access point for operator control and query all
measured parameters, UPS and battery status and alarms.
The operator control and display panel is divided into three functional areas: LCD screen, LED indicator and control
keys, as shown in Figure 4-1, and as described in Table 4-1.
Figure 4-1 Operator control and display panel
Table 4-1 Description of components of the operator control and display panel
No.
Function
Key
Function
1
Alarm indicator (Red)
F1 ~ F5
LCD menu keys
2
Inverter indicator (Green)
FAULT CLEAR
Fault reset switch
ON
Inverter start switch
OFF
Inverter shutdown switch
ALARM CLEAR
Alarm silencing switch
EPO
EPO switch
4.1.1 LED Indicators
The two indicators show the current working state of the UPS, see Table 4-2 for details.
Table 4-2 Definition of indicators
Indicator
Status
Description
Inverter indicator
Solid green
Load powered by the inverter
Flashing green Inverter turning on, starting up, synchronizing or in stand-by state (ECO mode)
F F2 F 3 F4
F
5
F1
F2 F4
F5
F3
EPO
FAULT
CLEAR
ON OFF
ALARM
CLEAR
1
2
LCD and control keys
LED indicators