5: Maintenance
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TS_604_01 PowerWave PW3000/TP User Manual UK 5/1/18
5.5
Battery testing
The battery test takes approximately 3 minutes and should be performed only if:
• There are no alarm conditions
• The battery is fully charged
• The mains input supply is present
Battery testing can be performed from the Operator Control Panel and carried out independently of the operating mode
(‘on-line’ or ‘on-bypass’) and whether or not the load is connected.
5.6
Battery maintenance
The UPS batteries should be replaced under the following conditions:
• If the battery service life (3~5 years at 25°C ambient temperature) has been exceeded
• When the discharging time is less than 50% of specified after full charged
When replacing the batteries, the complete battery string should be replaced with the same number and type of batteries.
Individual batteries should not be replaced.
If the UPS is not used for a period of time the batteries should be charged at least every 4-6 months. When healthy, the
batteries will charge to 80% in approximately 10 hours, however it is recommended that the batteries are charged for 48
hours after long term storage.
5.7
Battery disposal and recycling
Batteries contain dangerous substances that will harm the environment if carelessly discarded and should be disposed of
in accordance with local recycling recommendations
