Rack mount Series UPS
(
1~3kVA
)
User ‘s Manual
-19-
9
．
When not using UPS, please turn off the "POWER" switch on the panel to
avoid causing long-time battery discharge after commercial power failure.
If the UPS has not been used for a long time, regularly perform charging and
discharging of battery to avoid battery damage due to self-discharging.
4.5 Battery Changing
When changing storage battery, pay attention to the following:
1
．
Do not throw battery into fire to avoid explosion.
2
．
Do not open or disassemble battery as the electrolyte is harmful to skin and
eyes.
3
．
Properly recycle the battery according to relevant instructions thereon.
4
．
Replace the used battery with new ones that are of same type and grade.
5
．
Replace the entire battery units, do not mix the old ones with the new ones.
6
．
Dangerous voltage may exist between battery terminal and the ground. Test
before touching.
4.6 Maintenance Guide
Proper maintenance includes preventive maintenance and remedial
maintenance, which is crucial to optimum operation of UPS and can ensure
relatively long service life of the equipment. Preventive maintenance includes
some procedures that are frequently performed. These procedures are used to
prevent system failure as well as to obtain best operating efficiency. Remedial
maintenance includes searching for system malfunction to facilitate effective
repair.
4.6.1 Safety Precaution
In order to securely and successfully conduct system maintenance, relevant
safety precautions must be observed and necessary tools and testing equipment
must be used, with the participation of qualified maintenance personnel. Pay
attention to the following safety operation rules:
1
．
Bear in mind that there is dangerous voltage in UPS even if the UPS
system is not in operation.
2
．
Make sure that the UPS operation and maintenance personnel are
familiar with this equipment and the content of this Manual.
