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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 39 and detailed in Figure 40.
• 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 39 Overview of control panel
8.1.1 Display Panel Layout
Figure 40 shows the control panel in greater detail, identifying individual items that are described in
the rest of this section.
30kVA 3X3
INVERTER ON
SI LENC E ON/ OFF
INVERTER OFF FAULT CLEAR
EPO
LED1
LED2
LED3
LED4
LED5
STATUS
Liquid Crystal
Display (LCD)
Navigation
keys
button
s
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 dis connec t c lose d 01- 06 0 9: 15
B ypa ss a bnorm al 0 1- 06 09: 15
Liebert NX 2007-01-06 09:20:37
Single Normal80kVA-3X3
Output disconnect closed 01-06 09 :15
BypassMain