BN50S / BN75S / BN100S / BN150S / BN220S / BN300S
2
19
When you connect the AC input plug of this unit to a wall outlet (commercial power), the bat-
tery charging automatically starts regardless of whether the power switch is ON or OFF, and it
is fully charged within 8 hours.
(Charging is performed regardless of whether the power switch is ON or OFF.)
●
This unit has been charged prior to shipment. However, the backup time becomes shorter when
using it for the fi rst time due to spontaneous discharge. We recommend charging this unit before
using it.
●
If you do not perform the initial backup time measurement described below in “2-6 Measuring the
initial value of backup time”, proceed to “3. Operation.
→
Page 20”
2-5
Charging the battery
2-7
Recharging the battery
2-6
Measuring the initial value of backup time
●
When you measure the backup time initial value of the unit in your environment, this value can
be used as a guide when checking the battery and deciding the UPS monitoring software set-
ting values.
See also
"5. Measuring the backup time"
→
Page 39
The battery is discharged completely when the backup time is measured, so you need to recharge it
before using the UPS.
●
You can use connected devices while recharging the battery, but the backup time when a power
failure occurs is shorter until the battery is fully charged.
(If a power failure occurs immediately after the start of charging, backup stops immediately.)
See also
Charge the battery as described in "2-5 Charging the battery."
Preparation for starting operation is now complete.
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