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All the cabinets and accessories must be earthed in accordance with the current standards.
3.- CONTROL PANEL.
3.1.- Introduction.
The control panel is in the frontal side of the UPS, which is used to monitor its general and battery status and the corresponding
alarms in a easy way.
That control panel is based in a LCD panel that shows the operating status, measurements and alarms, and by an E.P.O. button
located in the bottom-right side.
The LCD panel shows text messages and operating parameters in a LCD screen of 4 rows with 20 characters per each one.
The screens are organised in 7 multilevel menus , which can be selected by using the keys placed under the LCD panel.
In the left side of the LCD, there are two LEDs, one is green labelled as “NORMAL” and the other one is red labelled as “ALARM”.
The behaviour of both LED is summarized in the table 3.1a.
During the normal operating and to identify the UPS master, in case of parallel systems, the green LED blinks.
Tab 3.1a
STATUS
UPS OK
ACTIVE ALARM
DEACTIVE ALARM
GREEN LED
ON
OFF
ON
RED LED
OFF
ON
BLINKING
Key
ESC
Allow silenci the
acoustic alarm
Key
MENU
Allow escaping
from the selected
menu.
Figure 3-1b LCD panel composition
Key
BACK
Key
NEXT
Allow moving from one menu to another. If both
are pressed together is the
ENTER
function.
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