2.Installation and connection
23
The battery automatically starts charging when the AC input plug is connected to a wall outlet
(commercial power).
(This occurs regardless of whether the power switch is ON or OFF.)
The charging takes 4 hours to complete.
●
The unit was charged before shipment, but it may have self-discharged during shipment, resulting
in a reduced backup time. We recommend charging the unit before use.
●
If you do not perform the initial backup time measurement described below in “2-7 Measuring the
initial value of backup time”, proceed to “3. Operation.
→
Page 24”
●
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 setting
values.
"5. Measuring the backup time"
→
Page 34
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.)
Charge the battery as described in "2-6 Charging the battery."
Preparation for starting operation is now complete.
2-6
Charging the battery
2-8
Recharging the battery
2-7
Measuring the initial value of backup time
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