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3 direct access push buttons (keys), 4 lcd monitor and menu keys, Table 20 menu key icons and their meaning – Emerson Liebert NX 50 and 60 Hz User Manual

Page 106: Figure 68 graphic lcd monitor windows and keypad, Direct access push buttons (keys), Lcd monitor and menu keys, Table 20, Menu key icons and their meaning

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Operator Control Panel and Display

94

8.1.3

Direct Access Push Buttons (Keys)

Press and hold Direct Access key briefly until acknowledged by a single beep.

8.1.4

LCD Monitor and Menu keys

The user-friendly and menu-driven 320 x 240 dot graphic LCD monitor displays real time data and at

the same time stores 512 historical records that can retrieve for reference and diagnosis.
The user can perform commands or easily browse through the input, output, load and battery param-

eters. For quick reference, the UPS status and any warnings are always highlighted without the need

of navigating through the menu. The versions of converter firmware, inverter firmware and internal

monitor firmware can also be displayed on the LCD.
Menu keys F1 to F4 are used to navigate within the graphic LCD monitor windows.

Figure 68 Graphic LCD monitor windows and keypad

Emergency Power Off (EPO)

Disconnects Power to the Load. Disables rectifier, inverter, static bypass
and battery operation.

Inverter ON

Enables Inverter Operation

Inverter OFF

Disables Inverter Operation

Fault clear

Resets blocked UPS functions (subject to any fault being cleared)

Silence ON/OFF

Toggle type buzzer mute. Any new fault re-enables the buzzer.

Table 20

Menu key Icons and their meaning

Key

F1

F2

F3

F4

Help

Window Type 1

Next Data Window

LEFT

RIGHT

ENTER

HELP

Window Type 2

Escape

UP

DOWN

?

ESC

Liebert NX
200kVA 3X3

?

Output

2005-10-22

Unit #1

17:32:20

Normal

F2

F3

F4

HELP

F1

Bypass

Main

A(AB)

B(BC)

C(CA)

Vphase V

220

220

220

Iphase A

20.5

20.5

20.5

Freq. Hz

50.1

50.1

50.1

Vline V

380

380

380

P.F.

0.99

0.99

0.99

Input breaker closed

01-12

12:28:16

Manual turn on

01-12

12:30:06

UPS in normal mode

01-22

12:30:16

4 - Current Record

Window

3 - UPS Data

Window

2 - UPS Menu

Window

1 - UPS System

Window

5 - Keypad Window

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