Omron BU150R Instruction Manual page 96

8 Connecting the battery unit
8-1 Connecting the battery unit
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Connect the connection cable for the expansion battery unit to the battery
expansion connector on the back of the UPS(①). And fix the connector cover of
accessories(②).
①
②
Turn the overcurrent protection switch on the back of the UPS to the ON side.
Overcurrent protection
※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.
Set the number of expansion batteries.
For the setting procedure, refer to "3-5 UPS operation mode settings " (P.53).
Battery expansion connector
Connection cable
switch
BU150R