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(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.
(5) The red wire is connected to the "+" terminal of the battery. The
black wire is connected to the "-" terminal of the battery. (Note:
the green/yellow wire is grounded for protection purpose.)
The Caution!
The output sockets of the UPS system may still be electrically
live even if the power supply system has been disconnected
or the Bypass switch is on “OFF” position.
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