8)
Operation Procedure of External Battery for Long Backup time Model (“L” Model)
(1) Use the battery pack with right voltage. Connection of batteries more than or less than required will
cause abnormality
(2)
One end of the external battery cord is a plug for connecting the UPS and the other end has a plug
for connecting the user battery cabinet
(3)
Do not connect the UPS to any load yet. Then, connect the power cord of the UPS to supply utility
power to the UPS to make the UPS operate in utility power mode.
(4)
Connect the plug of the external battery cord to the external battery socket on the rear panel of the
UPS to complete the connection procedure and the UPS will start to charge the battery pack.
6. Maintenance
6.1 Operation
The UPS system contains no user-serviceable parts. If the battery service life (3 - 5 years at 25°C ambient
temperature) has been exceeded, the batteries must be replaced. In this case please contact your dealer.
6.2 Storage
If the batteries are stored in temperate climatic zones, they should be charged every three months for 1-2
hours. You should shorten the charging intervals to two months at locations subject to high temperatures.
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