Liebert NX 30 User Manual

38 User Manual 10H52192UM60 - Rev. 1 - 09/2011
Liebert NX Operator Control and Display Panel
Indicator State Description
Solid red Bypass power has fault or is outside specifications, or static bypass switch fault
Off Bypass normal
Inverter indicator
Solid green Load on inverter
Flashing green Inverter turning on, starting up, synchronizing
Solid red Inverter fault
Off Inverter not operating
Output indicator
Solid green UPS output on and normal
Solid red UPS output on and overloaded
Off UPS output off
Status indicator
Solid green Normal operation
Solid yellow Alarm (for example, AC input failure)
Solid red Fault (for example, fuse or hardware fault)
5.1.2 Audible Alarm (Buzzer)
UPS activity is accompanied by the three sounds, as described in Table 5-3.
Table 5-3 Audible Alarm Description
Alarm sound Meaning
A short beep Whenever a key on the operator control and display panel is pressed.
Beep every other second The UPS has a general fault, for example, AC input failure.
Continuous beep The UPS has a serious fault, for example, fuse or hardware fault.
5.1.3 Control Keys
The operator control and display panel provides five control keys, as described in Table 5-4.
Table 5-4 Description of Control Keys
Control key Label Description
EPO switch EPO
Cut off the load power, shut down the rectifier, inverter, static bypass, and
battery
Inverter start switch INVERTER ON Start the inverter
Inverter shutdown
switch
INVERTER OFF Shut down the inverter
Fault reset switch FAULT CLEAR Restart the UPS (subject to any fault being cleared)
Audible alarm silencing
switch
SILENCE ON/OFF
When an alarm is active, pressing this button silences the audible alarm.
Pressing this button again enables the buzzer again.
5.1.4 LCD and Menu Keys
The operator control and display panel features an LCD and five menu keys (F1 to F5). The menu keys are described in Table 5-5.
Table 5-5 Menu Key Description
Function 1
Function 2
F1 F2 F3 F4
ESC
Escape
Left
Up
Right
Down
Enter
Key F5
HOME
Featuring a 320 × 240 dot matrix graphic display, the user-friendly, menu-driven LCD allows you to easily browse through the input,
output, load, and battery parameters of the UPS, learn current UPS status and alarm information, perform functional settings, and
control operating modes. The LCD can also store up to 1024 historical records that can be retrieved for reference and diagnosis.

Liebert NX 30 Specifications

General

Brand	Liebert
Model	NX 30
Category	Power Supply
Language	English