Niveo Professional NUPS22-6000U - Manual (Page 15)

prolong the backup time. If there is no more load to be taken off at that time, you have to shut down
all loads as soon as possible to protect the devices or save data. Otherwise, there is a risk of data loss
or load failure;
2) In Battery mode, if buzzer sounds annoying, you could enter ”Control->Mute” on LCD to silence it.
Please refer to the section of “LCD operation”;
3) The backup time of the long-run model depends on the external battery capacity;
4) The backup time may change under different environment temperature and load type;
5) The maximum backup time is limited by default 16.5 hours (After discharging 16.5 hours, UPS will
shut down automatically to protect the battery). The time could be modified through LCD panel or
communication port.
3-5-6. Test the batteries
1) If you need to check the battery status or performance when the UPS is running in Line / Converter /
ECO mode, you could enter ”Control->Batt Test” to instruct the UPS to do battery test. Please refer to
the section of “LCD operation”;
2) Users also can set battery test through monitoring software;
3) If the UPS is in battery testing, “Battery test mode” will be displayed on LCD, the buzzer indication
will be the same as Battery mode, but both line LED and battery LED will be lit.
3-5-7. Turn off the UPS with utility power supply in Line mode
1) When LCD is on home page, press the “OFF/ESC” button, LCD will show a prompt page of “Turn Off”;
Move the arrow to “Yes” by up or down button, then press “ON/ENTER”, the UPS will be turning off to
bypass mode with beeping once. You could also enter the “control menu” to select the instruction
“Turn Off” to turn off the UPS. Please refer to the section of “LCD operation”;
NOTE: Here, “Turn Off” means that UPS is not working on line / converter / ECO / battery / battery
test mode. So even though the UPS is turned off, if input or bypass voltage is normal, the internal
power supply will be still working; and if bypass status has been set to “enable”, the output voltage of
the UPS will be still exist;
2) If you need to fully cut off the output, please switch off the external input breaker. A few seconds later,
there is no display shown on the panel and UPS is completely off.
3-5-8. Turn off the UPS without utility power supply in Battery mode
1) When LCD is on home page, press the “OFF/ESC” button, LCD will show a prompt page of “Turn Off”;
Move the arrow to “Yes” by up or down button, then press “ON/ENTER”, the UPS will be turning off to
bypass mode with beeping once. You could also enter the “control menu” to select the instruction
“Turn Off” to turn off the UPS. Please refer to the section of “LCD operation”;
2) If there is no bypass input voltage, the UPS will cut off all power supply and there is no display shown
on the panel.