KR-RM Series(1～3kVA) UPS
User Manual
All rights reserved ©Xiamen Kehua Hengsheng Co., Ltd.
Press " " button on the panel to shut down UPS, which avoids that battery discharges for a
long time when the mains powers off. If the UPS stops working for a long time, it should charge
and discharge battery periodically, which is to avoid battery damage for self-discharge.
5.5 Battery Replacement
Observe the following announcements when replacing a battery:
Don't put battery into the fire to avoid explosion.
Don't open or dismantle the battery. Electrolyte is harmful to our skin and eyes.
Do the appropriate recycling according to the battery illustration.
Replace battery with the same type and the same level.
Consult professional engineers about battery replacement.
There may exists dangerous voltage between the battery terminal and ground. Check the voltage
before touching.
5.6 Maintenance Guide
Proper maintenance includes the preventive maintenance and the remedial maintenance, which is the
key to operate UPS in the best status and ensures that UPS is with a longer service life. The
preventive maintenance includes some programs that often work. The programs are to prevent system
failure and get the maximum running efficiency. The remedial maintenance is to find the system
failure, which is good for effective maintenance.
5.6.1 Safety Announcements
To do the system maintenance safely and successfully, observe the related safety prevention
knowledge, use the necessary tools and test devices, maintain by qualified professionals and pay
attention to the following safety operation regulations:
Remember that there always exists dangerous voltage inside UPS, even though UPS doesn't
work.
Ensure that UPS operator and the maintenance personnel should be familiar with this UPS and
the content in the user manual.
Before operating UPS, take off the gold and silver ornaments, such as rings, watches, etc.
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