Liebert NX UPS System user manual Detailed Description of Menu Items, UPS system window

Operator Control Panel and Display

7.1.5Detailed Description of Menu Items

The description that follows refers to the graphic LCD monitor window shown on Figure 32.

UPS System Window: This fixed-pane window displays current time and date and identifies the UPS, its configuration and its status.

Table 20 UPS system window

Description	Explanation
Liebert NX	UPS family name
2005-10-22	YYYY-MM-DD (see Settings menu for other date formats)
12:30:36	Current Time (24 hr HH:MM:SS format)
30kVA-3x3	30kVA = UPS rated output, 3 x 3 = 3-phase input and output
(Configuration)	Single = single double-conversion unit
	ECO = single stand-by unit with double-conversion fall-back
Single, ECO, Master, Slave or Unit # 1	Master = master in a 1+1 Hot Stand By system
	Slave = slave in a 1+1 Hot Stand By system
	Unit # 1 = of max 6 double-conversion units in a parallel system
(Status)	Normal = UPS operating Normal
Normal, Warning or Fault	Warning = System attention required, e.g. AC Input Failure
	Fault = UPS Fuse or Hardware Failure

Menu and Data Window

Use the horizontal arrow keys to navigate between any of the selectable menu and data windows.

Table 21 Descriptions of UPS menus and data window items

Menu
Type	Item Type	Explanation
	L-N voltage (V)	Phase voltage
Mains	L-N current (A)	Phase current
	Frequency (Hz)	Input frequency
(input)
	L-L voltage (v	Line-line voltage
	Power factor	Power factor
TX Input	L-N voltage (V)	Phase voltage
	L-L voltage (V)	Line-line voltage
	L-N voltage (V)	Phase voltage
Bypass	Frequency (Hz)	Bypass frequency
	L-L voltage (A)	Line-line voltage
	L-N voltage (V)	Phase voltage
	L-N current (A)	Phase current
Output
	Frequency (Hz)	Input frequency
	L-L voltage (V)	Line-line voltage
	Power factor	Power factor
TX Output	L-N voltage (V)	Phase voltage
	L-L voltage (V)	Line-line voltage
	Sout (kVA)	Sout: Apparent power
	Pout (kW)	Pout: Active power
Load
	Qout (kVAR)	Qout: Reactive power
	Loadlevel %	The percent of the UPS rating load
	Crest factor	Output current Crest Factor

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