9Extending the backup time

Adding BUM300S to the BU3002SW

(1)Loosen the screws and remove the battery connector covers on the rear side of the unit and battery unit.

(2)Connect the battery connection cable to the battery connectors on the rear side of the unit and the battery unit. Connect the battery connection cable to the additional battery signal connector also.

(3)Turn ON the overcurrent protection switch on the back of the battery unit. Connect the AC input plug of the unit to a wall outlet. The additional battery lamp on the unit's operation panel turns ON.

BU3002SW BUM300S

Additional battery connection

Additional battery signal connection

Battery connection cable

Additional battery connection

Additional battery signal connection

Overcurrent protection

switch ON

OFF

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Omron BU1002SW specifications Adding BUM300S to the BU3002SW