Liebert GXTMT Series Installation and User Manual
1-3 kVA UPS
Page １３ V2.11 Emerson Network Power
Connection and Operation
• The battery connection procedure is very important. Any incompliance may result in the risk of
electric shock. Therefore, the following steps must be strictly complied with.
• First connect in series the batteries of the pack to ensure proper battery voltage.
• Connect the external battery cord to the battery terminal (DO NOT connect the battery socket of
the UPS first. Otherwise, it may cause electric shock). Connect the red wire 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.)
• 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 operation in utility power mode.
• Plug 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.
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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