User Manual 10H52188UM60 - Rev. 2 - 09/2012 31
Liebert NXC Single UPS Installation And Commissioning
3.5 Single UPS Commissioning
3.5.1 Check Before Power-On
1. Check and confirm that the power distribution mode of the UPS is correct, that the connections of the power cable and
signal cable are correct and there is no short circuit.
2. When using an external Battery, check that the battery installation and the cable connections are correct, and that the
connection cables are connected correctly to the positive and negative battery poles.
3. Measure and confirm that the mains voltage and frequency are normal.
4. The output terminals of the UPS are energized upon the power-on. If the load is connected with the output terminals, make
sure that the power to the load is safe.
3.5.2 Single UPS Parameters Setting
Power on the UPS according to step 1 ~ step 4 in 3.5.3, it is prohibited to start the inverter.
For display setting, press the menu key to enter the function setting option, according to Table 3-4. The other settings can be
done only by service software ParamSet.
Table 3-4 Single UPS parameters setting
Parameters Default value Parameters setting ParamSet
Display
Setting
Single Group Batt Cap 0014 Set the parameter according to the actual battery capacity x
Battery Cells Number 32 Set the parameter according to the actual battery number x
Equalize Charge Allowed Enabled
Set the parameter according to the actual battery
characteristic
x
System Configuration Single Single x
ECO Mode Normal Normal x
Output frencency level 50Hz
Set the parameter according to the actual power grid,
50Hz/60Hz can be selected
x
Output voltage level 400V
Set the parameter according to the actual power grid,
380V/400V/415V can be selected
x
3 Phase Output or 1 Phase
Output
Three
Select “Three” when is 3 Phase Output, select ”Single” when
is 1 Phase Output
x
Note: output frequency level and output voltage level will be active after power-off, but will not be displayed on LCD panel, the settings
will be valid after manual power-off.
The parameter descriptions and default values of the other parameters are listed in Table 3-5; you can set the parameters
according to the actual requirements.
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