User manual

Chapter 5 Operator Control And Display Panel 33
NXr UPS Module And Parallel System 30kVA ~ 200kVA User Manual
Indicator State Description
Battery indicator
Solid green Load on battery
Flashing green Battery EOD pre-warning
Solid red
Battery abnormal (failed, absent or polarity reversed) or battery converter abnormal
(failed, overcurrent or overtemperature)
Off Battery and battery converter normal, battery charging
Bypass indicator
Solid green Load on bypass
Solid red Bypass power abnormal or 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 UP 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 kinds of sound listed in Table 5-3.
Table 5-3 Audible alarm description
Alarm sound Meaning
A short beep Any key on the operator control and display panel is pressed
Beep every other second The UPS has a general alarm, 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 Silkscreen Description
EPO switch EPO
Emergency Power Off: Cuts off the load power, shuts down the rectifier,
inverter, static bypass
Inverter start switch INVERTER ON Starts the inverter
Inverter shutdown
switch
INVERTER OFF Shuts down the inverter
Fault reset switch FAULT CLEAR Restarts 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 provides an LCD and five menu keys (F1 ~ 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
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