Liebert 130 kVA - Manual (Page 45)

User Manual
Hipulse - Single Phase ‘1+N’ UPS System 130 kVA - 110V
25
Menu Control switches
Four push button switches ESCape[9], DOWN [10], UP [11], ENTER [12], are located
below the LCD display and are used to navigate a menu-driven UPS operating and
control system.
Note: In addition to entering the day-to-day operating functions, the menu system is also used to set-up
various UPS operating parameters during commissioning. A system of password protection is therefor
used to limit the control functions accessible to the operator, whilst allowing full access to
maintenance personnel. A full description of the available menus is provided in the appropriate User
and Commissioning manuals.
Note: From the Display panel menu it is possible to select one of the following languages: English,
French, Italian, Spanish, German, Dutch. The sequence is Default window > FUNCTION > ENTER
PASSWORD > PANEL SETUP > LANGUAGE
9. ESC Pressing the ESCAPE cancels the most recent actions;
i.e. when selecting options it returns the prvious window to the LCD.
when setting parameters, it exits the window without saving the new settings.
10. MENU
∨ The DOWN push button moves a cursor down the LCD over the options
offered on certain windows, and changes the highlighted parameter values in others.
11. MENU
∧ The UP push button moves a cursor up the LCD over the options offered
on certain windows, and move a rectangular cursor to the next digit on the right when
changing parameter values in others;
12 ENTER Pressing ENTER, when selecting options, displays the next window;
The next window is determined by the option which has been selected in the present
window. When selecting new parameters its saves the new parameters.
13 Warning indicator - The red LED with the Alarm Silence switch illuminates when a
WARNING alarm is displayed on the LCD message screen, and is normally
accompanied by an audible alarm.
14. Alarm Silence Switch - Pressing the Alarm Silence switch cancels the audible
alarm but leaves the warning message display until the inappropriate condition is
rectified.
Operator Panel and LCD Display
15. LCD Display
The LCD display is capable of showing four rows of 20 characters: the top row
displays the UPS warning and alarm messages and the lower row indicate the
selected metered parameters.
During normal operation the top line of the LCD panel shows the general UPS Status
(e.g. NORMAL OPERATION) and the bottom line will indicate the current time and date
- this is known as the ‘Default Screen’. Pressing the ESCape button [9] changes the
displayed information to indicate the Communication Port status (if connected) and
the version of the software fitted to the UPS control boards.