7.3 Control panel functions

Operation of the UPS is indicated on the monitor panel with five LED indicators and an LCD screen. This display is also capable of alerting the user with audible alarms.

ONThis green LED is lit when UPS has been turned on.

ON-LINEWhen the UPS is in normal or static bypass modes, there is voltage at the output terminals and this LED will light up in green.

ON-BATWhile operating in battery mode.

BYPASSWhile operating in bypass mode, this LED will light up in yellow.

FAULTIf any internal error occurs in the UPS, this LED will light up in red and give off an audible alarm. Press any of the buttons on the front panel to turn off the alarm.

Status of the UPS, measurements and alarms are all indicated on the LCD screen.

Control panel

Normal display

The UPS status is shown in normal display mode. From here you have a choice to go to UPS meters display and the Setting display by pushing the button.

UPS meters display

Various measurements are available through the UPS meters display; pressing the button will scroll through the following meters:

LCD message

O/P VOLT= xxx, xV O/P FREQ= xx, x Hz I/P VOL T= xxx, xV I/P FREQ= xx, x Hz BAT VOLT= xx,xV O/P LOAD%= xx% O/P W= xW

O/P VA= xVA O/P CURR= xA BACKUP TIME= xx min BAT CHARG= xx% TEMPERATURE= xxC BAT PACK NUM= x RATING = xxxxVA CPU VERSION xx.x

Description

Shows Output AC voltage

Shows Output Frequency

Shows Input AC voltage

Shows Input Frequency

Shows Battery Voltage

Shows Load % of max load

Shows Output Watts

Shows Output VA

Shows Output Current

Shows Estimated Backup time in minutes

Shows approximate percentage of Battery capacity

Shows approximate ambient temperature

Shows External Battery Pack Number

Shows UPS Rating

Shows CPU Version

20

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EMC 4K VA 20K VA UPS Control panel functions, Normal display, UPS meters display, LCD message, Description