Liebert NX UPS System user manual UPS control and display panel components, Component # Function

Operator Control Panel and Display

7.0OPERATOR CONTROL PANEL AND DISPLAY

7.1Introduction

The operator control panel and display is located on the front door of the UPS. The panel is the access point for operator control and monitoring of all measured parameters, UPS and battery status and of event and alarm logs.

Figure 31 UPS control and display panel

The operator control panel is divided into three functional areas

Mimic Power Flow Chart Graphic LCD monitor with menu keys Direct Access keys

3

14

2

6

Status

5

7

Liebert	NX	2005-10-22				17:32:20
020kVA 3X3		Single				Normal
	Bypass	Output			Load
L1-N/L2 voltage(V)		L1-N/L2		L2-N/L3		L3-N/L1
		229.5		229.5		229.5
L-N current (A)		24.5		24.5		24.5
Frequency(Hz)		49.97		49.97		49.97
L-L voltage(V)		397.5		397.5		397.5
Power Factor		0.99		1.00		0.99
Rotary SW. normal pos.			07-07		17:24
Manual turn on			07-07		17:29
Normal mode			07-07		17:30
						?
F1	F2	F3		F4		HELP

8

EPO

INVERTER ON INVERTER OFF

FAULT CLEAR SILENCE ON/OFF

Table 11 UPS control and display panel components

Component #	Function
1	Rectifier (Input AC to DC)
2	Battery (DC Back-up)
3	Bypass Input
4	Inverter (DC to AC)
5	Load (AC Output)
6	UPS Status and Alarm indicator
7	Audible Alarm (Buzzer)_
8	Emergency Power Off Button cover

Button	Function
EPO	Emergency Power Off button
Inverter ON	Inverter start button
Inverter OFF	Inverter shutdown button
Fault Clear	Reset button
Silence On/Off	Audible Alarm Mute
—	—
F1-F4, Help	LCD Menu keys
—	—

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