3
Connection
3-2
Connecting the additional battery unit
BUM150RA
24
* When the battery unit is connected correctly, the LED for checking expansion on
the front of the expansion battery unit turns on.
If the LED does not turn on, check the connection condition.
4
Set the number of expansion batteries.
For the setting procedure, refer to Instruction Manual of UPS.
Additional information
Refer to "4-1-4 Estimated backup time" of the UPS manual (BU150R) about the backup
time each expansion units.
When one or more expansion battery units are connected, the charging time become
longer 24 hours per an expantion battery unit.