Wärtsilä JOVYTEC PNT 1000VA
–
3000VA BAX 3313_en
- 30 -
11.
Battery
11.1
Battery operation
In the case of a network failure the consumers are supplied without interruption from the battery.
In battery operation the LED
ON-BAT (Battery operation)
lights up and an acoustic warning tone sounds
every 5 seconds. The acoustic warning tone changes towards the end of the backup time, i. e. when the
battery is virtually discharged, to two bleeps sounding every 5 seconds. The backup time of a number of
minutes generally allows targeted switching off of consumers or data storage/back-up when operating a PC,
without losing data or having running processes interrupted in an uncontrolled manner. The backup time can
be extended significantly by switching off individual, less important consumers.
Restoration of mains power before total discharge of the battery:
In the case of restoration of the mains power before the end of the backup time, the inverter continues to run
automatically until the battery is charged up.
Restoration of mains power after total discharge of the battery:
At the end of the backup time the inverter switches off automatically and the consumers are
no
longer
supplied with power.
When the mains power is restored, the consumers begin again to be supplied with power via the inverter.
The inverter is switched on again automatically. The battery is charged up again automatically after
restoration of the mains power.
11.2
Service life of batteries
Use of closed lead batteries at temperatures above 20°C reduces the expected working life.
The table from EUROBAT gives some indication of the approximate working life of the batteries used.
Nominal working life of batteries
10 - 12 years
6 - 9 years
3 - 5 years
Temperature
Expected working life of batteries
20°C
12 years
9 years
5 years
30°C
5 years
4 years
2.5 years
40°C
2.5 years
2 years
1.25 years
11.3
Instructions for using the batteries
