Niveo Professional NUPS22-6000U - Manual (Page 11)

regulations.
Warning:
● For standard battery pack, there are one DC breaker to disconnect the battery pack and the UPS. But for
other external battery pack, make sure a DC breaker or other protection device between UPS and external
battery pack is installed. If not, please install it carefully. Switch off the battery breaker before installation.
NOTE: Set the battery pack breaker in “OFF” position and then install the battery pack.
● Pay highly attention to the rated battery voltage marked on the rear panel. If you want to change the
numbers of the battery pack, please make sure you modify the setting simultaneously. The connection
with wrong battery voltage may cause permanent damage of the UPS. Make sure the voltage of the
battery pack is correct.
● Pay highly attention to the polarity marking on external battery connector and make sure the correct
battery polarity is connected. Wrong connection may cause permanent damage of the UPS.
● Make sure the protective earth ground wiring is correct. The wire current spec, color, position, connection
and conductance reliability should be checked carefully.
● Make sure the utility input & output wiring is correct. The wire current spec, color, position, connection and
conductance reliability should be checked carefully. Make sure the L/N site is correct, not reverse and
short-circuited.
2-5. Parallel UPS Installation
For parallel UPS installation, please contact your dealer for more professional support.