Maintenance
32
6.3 Battery Replacement Procedures
(1) Press“
+
”button to transfer to bypass mode
(2) Close the manual bypass breaker
(3) Remove both side covers from the UPS.
(4) Disconnect the battery wires one by one.
(5) Remove metal bars which are used to fasten batteries.
(6) Replace batteries one by one.
(7) Screw metal bars back to UPS.
(8) Connect the battery wires one by one. Take care of electrical shock while connecting the
last wire.
6.4 Precaution
Although the UPS has been designed and manufactured to ensure personal safety, improper
use can result in electrical shock or fire. To ensure safety, observe the following precautions:
(1) Turn off the UPS before cleaning it;
(2) Clean the UPS with a dry cloth. Do not use liquid or aerosol cleaners;
(3) Never block or insert any objects into the ventilation holes or other openings of the UPS;
6.5 Checking UPS Status
It is recommended to check the UPS once every half year.
(1) Check if the UPS is faulty: Are the LED indicators abnormal? Is there any alarm?
(2) Check if the UPS is working in bypass mode: Normally, the UPS works in normal mode, if
it’s working in bypass mode, please check: overload, internal fault and so on.
(3) Check if the battery is discharging: When the mains input is normal, the battery should not
discharge, if the UPS is working in battery mode, please check: if mains input is failure, battery
test, operator intervention and so on.
