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0 operator control panel and display, 1 introduction, Figure 67 ups control and display panel – Emerson Liebert NX 50 and 60 Hz User Manual

Page 104: Table 12 ups control and display panel components, Perator, Ontrol, Anel, Isplay, Introduction, Table 12

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Operator Control Panel and Display

92

8.0

O

PERATOR

C

ONTROL

P

ANEL

AND

D

ISPLAY

8.1

Introduction

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 67 UPS control and display panel

Table 12

UPS control and display panel components

Component #

Function

Button

Function

1

Rectifier (Input AC to DC)

EPO

Emergency Power Off button

2

Battery (DC Back-up)

Inverter ON

Inverter start button

3

Bypass Input

Inverter OFF

Inverter shutdown button

4

Inverter (DC to AC)

Fault Clear

Reset button

5

Load (AC Output)

Silence On/Off

Audible Alarm Mute

6

UPS Status and Alarm indicator

7

Audible Alarm (Buzzer)_

F1-F4, Help

LCD Menu keys

8

Emergency Power Off Button cover

EPO

INVERTER ON

FAULT CLEAR

SILENCE ON /OFF

3

1

2

4

5

Status

?

Rotary SW. normal pos

.

17:24

07-07

Manual turn on
Normal mode

17:29
17:30

07-07
07-07

7

8

6

INVERTER OFF

F2

F3

F4

HELP

F1

Load

Bypass

Output

Liebert NX
200kVA 3X3

2005-10-22

Single

17:32:20

Normal

L1-N/L2

229.5

24.5

49.97
397.5

0.99

L2-N/L3

229.5

24.5

49.97
397.5

1.00

L3-N/L1

229.5

24.5

49.97
397.5

0.99

L1-N/L2 voltage (V)
L-N current (A)
Frequency (Hz)
L-L voltage (V)
Power Factor

The operator control panel is divided into three functional areas

Mimic Power Flow Chart

Graphic LCD monitor with menu keys

Direct Access keys

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