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Operator Control and Display Panel
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8.0 OPERATOR CONTROL AND DISPLAY PANEL
8.1 Operator Control Panel
The control panel and LCD on the front of the Liebert NX let 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 45 and detailed in Figure 46.
• 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 45 Overview of control panel
8.1.1 Display Panel Layout
Figure 46 shows the control panel in greater detail, identifying individual items that are described in
the rest of this section.
Figure 46 Detailed view of control panel
30kVA 3X3
INVERTER ON
SILENCE ON/OFF
INVER TER O FF FAULT C LEAR
EPO
LED1
LED2
LED3
LED4
LED5
STATUS
Liquid Crystal
Display (LCD)
Navigation
keys
buttons
Control
Mimic
display
F2
F4
HELPF1 F3
?
L-N current(A)
Frequency (HZ)
L-L voltage(V)
PowerFactor
L1-N/L2
71.4
59.9
480
0.99
L2-N/L3
70.8
59.9
480
0.99
L3-N/L 1
71.3
59.9
480
0.99
Output
Input disconnect closed 01-06 09:15
Bypass abnormal 01-06 09:15
Liebert NX 2007-01-06 09:20:37
Single Normal80kVA-3X3
Output disconnect closed 01-06 09:15
BypassMain
13245 6
7
8 9 10 11
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