6
. Maintenance and Inspection
37
3. Guidelines for how often to check the battery (measure the backup time)
* The battery deteriorates even if it is stored. The higher the temperature is, the shorter
the life becomes.
Average ambient
temperature
6-month check
Monthly check
25°C
For the first 4 years after starting use
When 4 years or more have passed after starting use
35°C
For the first 2 years after starting use
When 2 years or more have passed after starting use
1. Cleaning the UPS
Moisten a soft cloth with water or detergent, squeeze it tightly, and wipe the product lightly.
Do not use chemicals such as thinner and benzene. (They cause deformation or discoloration.)
2. Removing dust from the AC input plug, power supply output receptacles,
input terminal block, and output terminal block of the UPS
Stop all the connected devices and the UPS and disconnect the AC input plug from a wall outlet
(commercial power).
Then, remove dust with a dry cloth and make the connection again.
(For information on the connection procedure:)
See also
"2-3 Connecting the equipment" → Page 14
6-2 Cleaning
Summary of Contents for BU2002RWL
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Page 61: ...10 Notes of Chinese 49 2 FA OA 2...
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