Single Ups Commissioning; Check Before Startup; Single Ups Parameters Setting - Liebert ITA 6kVA User Manual

12 Chapter 2 Single UPS Installation And Commissioning

2.4 Single UPS Commissioning

2.4.1 Check Before Startup

1. Check and confirm that the power distribution mode of the main UPS is correct; that the connections of the power
cables and signal cables are correct and there is no short circuit.
2. Check and confirm that the battery installation and cable connection are correct and battery polarity is correct.
3. Measure and confirm that the mains voltage and frequency are normal.
4. The output terminals of the UPS are energized upon power-on. If the load is connected with the output terminals,
make sure that the power to the load is safe.

2.4.2 Single UPS Parameters Setting

Parameters setting of the standard LED display panel
There are LED indicators and functional keys on the LED display panel, as shown in Figure 2-24.
The ten indicators can be divided into two groups according to the applications.
1. UPS state indicators: Including fault indicator (red), mains indicator (green), battery indicator (green), inverter
indicator (green) and bypass indicator (green).
2. UPS load battery capacity and fault orientation indicator: Including five indicators, of which four indictors are green
and one indicator is yellow. The yellow indicator indicates the UPS load over-capacity or battery capacity too-low. The
UPS load battery capacity and fault orientation indicator is used to indicate the load capacity of the UPS. In Battery
7: Mains indicator
6: Fault indicaor
2
1
ON/SILENCE key OFF key
Figure 2-24 LED display panel
Liebert
®
Figure 2-23 Label
8: Battery indicator
9: Inverter indicator
ITA 6kVA UPS User Manual
10: Bypass indicator
3
5
4