Emerson 480V, 60HZ Mimic display indicators location, Bypass indicator, Load indicator, Buzzer

Operator Control and Display Panel

8.2Mimic Display Indicators

The Mimic display on the front panel consists of six indicators arranged in a single-line diagram depicting the various paths of UPS power, as shown in Figure 47.

Figure 47 Mimic display indicators location

Bypass indicator

Load indicator

Inverter indicator

Rectifier indicator	LED1
LED2	LED4 LED5
Battery indicator	LED3
Buzzer
	STATUS
Status indicator

Liebert NX		2007-01-06		09:20:37
80kVA-3X3		Single		Normal
	Main	Bypass	Output
L-N current (A)		L1-N/L 2	L 2-N/L3	L 3-N/L1
		71.4	70.8	71.3
Frequency (HZ)		59.9	59.9	59.9
L-L voltage (V)		480	480	480
PowerFactor		0. 99	0. 99	0.99
Input disconnect closed			01-06 09:15
Output disconnect closed			01-06 09:15
Bypass abnormal			01-06 09 :15
				?
F1	F2	F3	F4	HELP

EPO

INVER TER OFF FAULT CLEAR

SILENC E ON/OFF

INVERTER ON

The current operational status of the Liebert NX is indicated by the color of the indicators—green, amber or red—and whether they are ON (solid), flashing or OFF. Table 15 provides a guide to inter- preting the various states of the indicators.

Table 15 Mimic display status indicators

Indicator
(see
Figure 47)	Green	Flashing Green / Amber	Red	Off
Rectifier	Load on rectifier	Flashing Green: Utility normal,	Rectifier fault	Rectifier is normal, but utility is
		but rectifier not operating		abnormal
	Battery powering	Flashing Green: Battery pre-	Battery or battery	Battery and converter are
Battery	the load	warning (low battery)	converter abnormal*	normal, and battery is not
				discharging
Inverter	Inverter powering	Flashing Green: Inverter on	Inverter fault	Inverter normal, but off
	the load normally	standby
Bypass	Load on Bypass	—	Bypass out of	Bypass Normal
	power		normal range
Load	UPS output on	—	UPS output	UPS no output power
			overloaded
Status	No alarms—UPS	Amber: UPS has a general	UPS has a serious	—
	working normally	alarm	alarm

*Battery or battery converter abnormal events include these event messages (see Appendix A): No Battery, Battery Replaced, Battery Reverse, Batt. Conv. Over. Curr., Batt. Converter Fault, Batt. Converter Overtemp.

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