Emerson 30-200kVA Manuel D’Utilisation

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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