Operator Control and Display Panel

10.0OPERATOR CONTROL AND DISPLAY PANEL

10.1Operator Control Panel

The control panel and LCD on the front of the Liebert® NXlets the operator:

turn the UPS On or Off

transfer into the various operating modes

silence alarms

check the status of the UPS and its batteries, including all measured parameters, events and alarms

The main areas of the control panel are shown below in Figure 52 and detailed in Figure 53.

Mimic Display - view the status of the Liebert NX in single-line diagram format—indicators show status by changing color when ON, flashing or OFF

Liquid Crystal Display (LCD) and Navigation keys - view status and operational data from the Liebert NX in tabular format

Control buttons - turn the Liebert NX on or off, silence alarms

Figure 52 Overview of control panel

Liquid Crystal

Display (LCD)

Mimic

display LED2

Navigation keys

LED1

LED4 LED5

LED3

STATUS

Liebert NX

2007-01-06

09:20:37

80kVA-3X3

Single

 

Normal

 

Main

Bypass

Output

 

 

L1-N/L2

L2-N/L 3

L3-N/L 1

L-N current(A)

71. 4

70. 8

71. 3

Frequency (HZ)

59. 9

59.9

59. 9

L-L voltage (V)

480

480

480

PowerFactor

0.99

0.99

0. 99

Input disconnect closed

01-06 09:15

Output disconnect closed

01-06 09 :15

Bypass abnormal

01-06 09:15

 

 

 

 

?

F1

F2

F3

F4

HELP

EPO

INVERTER OFF

FAULT CLEAR

SILENCE ON/OFF

INVER TER ON

Control buttons

30kVA 3X3

10.1.1 Display Panel Layout

Figure 53 shows the control panel in greater detail, identifying individual items that are described in the rest of this section.

Figure 53 Detailed view of control panel

1

2

3

4

5

6

8

9

10

11

7

12 13

 

 

14

15

16

17

18

19

 

 

Mimic indicators

Control buttons

 

Navigation keys

1.

Rectifier indicator

8.

Inverter Off Button

15.

F1

2.

Battery indicator

9.

Emergency Power Off Button

16.

F2

3.

Inverter indicator

10.

EPO Cover

 

17.

F3

4.

Bypass indicator

11.

Fault Clear Button

18.

F4

5.

Load indicator

12.

Silence On/Off Button

19.

Help

6.

Status indicator

13.

Inverter On Button

 

 

7.

Buzzer

14.

LCD

 

 

 

 

 

80

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Emerson 40-200KVA user manual Operator Control Panel, Display Panel Layout