Emerson 115-50/60HZ, 115-120, 15-90KVA, 115-208, 115-600V, 115-480 user manual Operator Control Panel

Operator Control and Display Panel

9.0OPERATOR CONTROL AND DISPLAY PANEL

9.1Operator Control Panel

The control panel and LCD on the front of the Liebert® APM™ lets the operator:

•Turn the UPS On or Off.

•Transfer into the various operating modes.

•Silence alarms.

•Check the status of the UPS and its batteries, including all measured parameters, events and alarms.

The main areas of the control panel are shown below in Figure 51 and explained in Table 23.

•Mimic Display - view the status of the Liebert APM in single-line diagram format—indicators show status by changing color when ON, flashing or OFF

•Liquid Crystal Display (LCD) and Navigation keys - view status and operational data from the Liebert APM in tabular format

•Control buttons - turn the Liebert APM on or off, silence alarms

Figure 51 Overview of control panel

Mimic current path

	EMER SO N TM			8
	Network Power
1	3	5
	4			EPO
	2		INVE RTE R OFF	FAULT CLEAR

6

	STATUS				SILENCE ON/OFF
7	F1	F2	F3	F4 HELP	INVE RTE R ON

Control buttons

LCD and Menu Buttons

Table 23 Descriptions of UPS operator control and display panel

	Mimic Current Path
Item #	Function

1Rectifier indicator (AC to DC)

2Battery indicator (backup DC power)

3Bypass input indicator

4Inverter indicator (DC to AC)

5Load indicator (AC output)

6UPS status and alarm indicator

7Audible alarm (buzzer)

8Protective cover for EPO button

Control Buttons
Button	Function
EPO	EPO switch
INVERTER ON	Inverter start button
INVERTER OFF	Inverter shutdown button
FAULT CLEAR	Fault reset button
SILENCE ON/OFF	Alarm mute button
Menu Buttons
Button	Function
F1 through F4 and HELP	LCD menu keys

NOTE

Help button menus are not active. Future units will ship with an F5 legend in place of the HELP legend.

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