Powerware UPS20-30kVA User Manual
21
UPS 20-30 kVA, 230 V 0/60 Hz output
User’s Guide
1026743
Revision B
Revision B
External Battery Cabinet (EBC) installation procedure
The installation procedure is as follows:
1.
The External Battery Cabinet (EBC) is recommended to be placed to left hand side of the
UPS unit.
UPS unit.
2. The required minimum distance for UPS unit and EBC is 10 millimeters, which is also
required distance between two EBCs.
3. Turn F1 battery breaker from the UPS unit to OFF position.
4. Before connecting cables to the EBC disconnect one of the cables (+ or -) from each EBC’s
battery string and remove fuses from upper part of the cabinet. To be on the safe side,
measure the voltage accross the terminals to be 0 (zero).
measure the voltage accross the terminals to be 0 (zero).
Warning!
Turn F1 battery breaker from the UPS unit to OFF position and measure the voltage
accross the terminals (X4) to be 0 (zero) before any operations with terminal X4.
. When all the EBCs are connected parallel, measure the voltage accross the terminals (X4)
to be 0 (zero) and connect cables to terminal block X4 of the UPS unit.
6. After installation place removed fuses to original position, reconnect disconnected battery
strings, check that the removed plates on right positions and turn breaker F1 to ON
position.
position.
7.
Finally change the number of battery strings from User Settings.
SETTINGS -> USER SETTINGS -> NUMBER OF BATTERY STRINGS.
SETTINGS -> USER SETTINGS -> NUMBER OF BATTERY STRINGS.