Maintenance; Operation; Storage; Routine Maintenance - ABB PowerValue 11 T Series User Manual

2 MAINTENANCE

2.1

Operation

PowerValue 11 T system contains no user-serviceable parts. If the battery service life (3~5 years at
25°C ambient temperature) has been exceeded, the batteries must be replaced. In this case, please
contact your dealer.
2.2

Storage

If the batteries are stored in temperate climatic zones, they should be charged every three months for
1~2 hours. It is recommended to shorten the charging intervals to two months at locations subject to high
temperatures.
2.3

Routine Maintenance

The UPS is designed to receive regular preventative maintenance inspections. These preventative
maintenance inspections are essential to ensure that both the useful working life and the reliability of the
UPS are maximized.
Preventative maintenance inspections involve working inside the UPS, which contains hazardous AC
and DC voltages. Only trained or agreed service personnel and authorized field service engineers are
fully aware of all of the hazardous areas within the UPS.
2.4

Battery Maintenance

2.4.1

Battery Test

If the battery service life has been exceeded, the batteries must be replaced. Battery replacement should
be performed only by qualified personnel.
It is recommended to shut down the UPS completely before the replacement and, if present, the battery
breaker should be switched off. Disconnect the battery cable carefully and make sure no exposed wires
can be touched. Reconnect the new batteries to the UPS by following Section 3.5. Then turn on the
battery breaker and start the UPS.
If it needs to replace the batteries while the UPS is running, make sure the UPS would not shut down
during the replacement. If there is a battery breaker then turn it off first. Disconnect the battery cable
carefully and make sure no any exposed wires can be touched. Reconnect the new batteries to the UPS
by following Section 3.5. Then turn on the battery breaker and press the ON switch to execute the
battery test, check whether the battery information is normal.
2.4.2

Maintenance, disposal and recycling

The battery maintenance shall be done by an authorized Service
Partner.
Batteries contain dangerous substances that will harm the environment
if thrown away. If you change the batteries yourself, call qualified
organizations for battery disposal and recycling.
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