Operator Control Panel and Display
7.0OPERATOR CONTROL PANEL AND DISPLAY
7.1Introduction
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 31 UPS control and display panel
The operator control panel is divided into three functional areas
Mimic Power Flow Chart | Graphic LCD monitor with menu keys | Direct Access keys |
3
14
2
6
Status
5
7
Liebert | NX |
| 17:32:20 | |||
020kVA 3X3 | Single |
|
| Normal | ||
| Bypass | Output |
| Load | ||
| ||||||
229.5 |
| 229.5 |
| 229.5 | ||
24.5 |
| 24.5 |
| 24.5 | ||
Frequency(Hz) | 49.97 |
| 49.97 |
| 49.97 | |
397.5 |
| 397.5 |
| 397.5 | ||
Power Factor | 0.99 |
| 1.00 |
| 0.99 | |
Rotary SW. normal pos. | 17:24 | |||||
Manual turn on |
| 17:29 | ||||
Normal mode |
| 17:30 | ||||
|
|
|
|
|
| ? |
F1 | F2 | F3 | F4 | HELP |
8
EPO
INVERTER ON | INVERTER OFF |
FAULT CLEAR SILENCE ON/OFF
Table 11 UPS control and display panel components
Component # | Function |
1 | Rectifier (Input AC to DC) |
|
|
2 | Battery (DC |
|
|
3 | Bypass Input |
|
|
4 | Inverter (DC to AC) |
|
|
5 | Load (AC Output) |
|
|
6 | UPS Status and Alarm indicator |
|
|
7 | Audible Alarm (Buzzer)_ |
|
|
8 | Emergency Power Off Button cover |
|
|
Button | Function |
EPO | Emergency Power Off button |
|
|
Inverter ON | Inverter start button |
|
|
Inverter OFF | Inverter shutdown button |
|
|
Fault Clear | Reset button |
|
|
Silence On/Off | Audible Alarm Mute |
|
|
— | — |
|
|
LCD Menu keys | |
|
|
— | — |
|
|
54