BU1002SW / BU3002SW
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9
You can extend the backup time by connecting an additional optional battery unit to the UPS.
When an additional battery unit is connected, the charging time is 24 hours.
Adding BUM100S to the BU1002SW
For the BUM100S, the included battery connection cable is provided with cable clamps attached. Connect
the battery connection cable according to the instructions below.
(1) Loosen the screws and remove the battery connector covers on the rear side of the unit and battery unit.
Use the removed screws to attach the cable clamps.
(2) Connect the battery connection cable to the battery connectors on the rear side of the unit and the bat-
tery unit. To simplify the operation, do not yet tighten the screws that hold the battery connection cable
on the cable clamp.
(3) Use screws to attach the cable clamps to the rear side of the unit and the battery unit (2 screws each).
(4) Tighten the screws that hold the battery connection cable on the cable clamps.
(5) Turn ON the overcurrent protection switch on the back of the battery unit.
(6) Connect the AC input plug of the unit to a wall outlet. The additional battery lamp on the unit's operation
panel turns ON.
You can connect only one additional battery unit.
For information on backup time, see the backup time table in ”5-2 Estimated backup time”.
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See also
ON OFF
Overcurrent protection
switch
Cable clampCable clamp
Battery connection
cable
UPS Additional battery unit
BU1002SW BUM100S
BU3002SW BUM300S
Extending the backup time
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9-1
Connecting an additional battery unit
BU1002SW BUM100S
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