voltage between the battery terminals and ground because the battery circuit is
not isolated from the voltage circuit.
The battery maintenance for long time model UPS (It is important to prevent the
damage to the precision equipment via performing good maintenance for battery
when outage occurs):
►
Remove dust and dirt from the battery.
►
Check if all the internal wiring of battery is loose or corrosive, if necessary,
perform replacement or maintenance.
►
Make sure the battery and battery terminals are fastened.
6.2 UPS maintenance
This series of UPS needs less maintenance. The battery of standard model UPS is
featured with valve adjustment and low maintenance, which just need to keep its
service life via keeping charging. When the UPS is connected to the mains in its
normal range, it always charges the battery and provides the functions of
overcharge and over discharge protection.
►
If the UPS is not used for a long time, it is recommended to charge the UPS
every four to six months.
►
It is recommended to clean the UPS every four to six months in the event of
dusty environments.
►
Perform troubleshooting and make the UPS return to normal operation as soon
as possible after the fault or alarm occur.
►
The operating environment and preservation method have a certain impacts on
the service life and reliability of the UPS, do not operate the UPS in the
following environments:
❖
Places with high, low temperature and humidity that exceed the specified
technical parameters (temperature: 0
°
C ~ 40
°
C; relative humidity: 20% ~
90% );
❖
Places with vibration and easy to be impacted;
❖
Places with metal dust, corrosive substances, salt and flammable gas;
~40~
