6 Maintenance and Troubleshooting
MR33 Series (75K-600K) Modular UPS
User Manual
100
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Check the UPS status periodically and ensure that any fault can be found in time.
6.2 Battery Maintenance
Battery charge requirements
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When first use the battery, please start the UPS and charge the battery for 24h. during
charging, the UPS still can be used, but if power outage occurs at the same time, the battery
discharge time may less than the standard vale this time.
−
Generally, the battery needs to be charged and discharged every 4 to 6 months. First,
discharge till battery low-voltage alarm and then charge the battery. The charge time of each
time cannot less than 24h.
−
In high temperature area, the battery needs to be charged and discharged every 2 months and
the charge time of each time cannot less than 24h.
−
If the battery will not be used for long time, it also needs to charge the battery every 3 months
and the charge time of each time cannot less than 24h.
Clean battery shells by cloth. Oil and organic solvents, such as petrol and diluents are prohibited.
To avoid explosion, keep batteries far away from fire sources and devices that easily generate
sparks.
Avoid over-discharge the battery during using. Fully charge the battery immediately after
discharge (24h at latest) and then the battery can discharge again. It is strictly forbidden to
discharge the not fully charged battery, or, it will cause battery capacity decrease even damage
battery.
To avoid battery discharging for too much time after mains power outage, disconnect the battery
breaker when the UPS is not used.
6.3 Announcementsfor Battery Replacement
Do not put the battery into fire, which is to avoid explosion.
Do not open or disassemble the battery, for the inner electrolyte is harmful for skin and eyes.
Recycle the battery according to the relative illustration on the battery.
The battery should be replaced in whole group, do not use the new battery and old battery
together.
Summary of Contents for MR33 Series
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