Omron BUM300S, BUM150S, BUM100S instruction manual Replacing the battery

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3.Replacing the battery

The battery can be replaced while the UPS is stopped. (power supply output stopped)

Caution

When an additional battery unit (BUM100S/BUM150S/BUM300S) is connected to the UPS, replace the UPS battery when replacing the batteries of the additional battery unit. You cannot perform battery replacement of the additional battery unit only.

Caution

When the UPS is used in compliance with UL, CE standards, do not replace the battery while in operation (while power is being output). Replacing the battery while in operation does not comply with UL, CE standards. Replace the battery while UPS operation is stopped.

*To replace the battery while the UPS is stopped, stop the connected devices, turn OFF the power switch of the UPS, and disconnect the AC input plug from the wall outlet.

*If an input power supply error such as a power failure occurs when replacing the battery while in operation, backup cannot be performed and output stops.

*Do not replace the battery during backup operation. Output will stop.

Additional battery unit (BUM100S/BUM150S) replacement procedure

For information on UPS battery replacement procedure, refer to the UPS instruction manual.

1.Use a screwdriver to loosen (anti-clockwise rotation) the 2 screws at the top of the front panel of the additional battery unit until they turn freely. (The screws cannot be removed from the front panel.)

Pull the front panel towards you to remove it.

Loosen the 2 screws.

1

2.Remove the 2 battery connectors from the plate cover and disconnect the connectors.

Battery connectors

Plate cover

Hold here to disconnect.

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Contents Do not disassemble, repair, or modify the product Do not insert metal objects into the battery connectors Do not drop the battery or expose it to strong impact Unpacking the product Installation For BUM300S Connecting the additional battery unit BUM100S/150S/300S 2 BUM150S connection procedure / Connectable UPS BU150SW Replacing the battery ➂ ➀ Battery replacement is complete Additional battery unit BUM300S replacement procedure Replacement battery pack Battery replacement is now complete After replacing the battery during operation Dimensions