Liebert NXC - 2.5 Single UPS Commissioning; 2.5.1 Check Before Power-On; 2.5.2 Single UPS Parameters Setting

User Manual 10H52188UM51 - Rev. 1 - 09/2011 23
Liebert NXC Single UPS Installation and Commissioning
2.5 Single UPS Commissioning
2.5.1 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 used an external Battery, check that the battery installation and the cable connection are correct, positive pole and
negative pole of the battery is correct.
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.
2.5.2 Single UPS Parameters Setting
Power on the UPS according to step 1 ~ step 4 in 2.5.3, it is prohibited to start the inverter.
Press the menu key to enter the function setting option, set the single UPS parameters according to Table 2-5.
Table 2-5 Single UPS parameters setting
Parameters Default value Parameters setting
Single Group Batt Cap 0014 Set the parameter according to the actual battery capicitity
Battery Cells Number 32 Set the parameter according to the actual battery number
Equalize Charge Allowed Enabled Set the parameter according to the actual battery charicteristic
System Configuration Single Single
ECO Mode Normal Normal
Output frencency level 50Hz Set the parameter according to the actual power grid, 50Hz/60Hz can be selected
Output voltage level 400V Set the parameter according to the actual power grid, 380V/400V/415V can be selected
3 Phase Output or 1 Phase
Output
Three Select “Three” when is 3 Phase Output, select ”Single” when is 1 Phase Output
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 2-6; you can set the parameters
according to the actual requirements.