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IMPORTANT SAFETY INSTRUCTIONS –
SAVE THESE INSTRUCTIONS
WARNING: ALL safety instructions in the Safety Sheet (990-2940) must be read,
understood, and followed when installing the UPS system. Failure to do so could result
in equipment damage, serious injury, or death.
WARNING: After the UPS has been electrically wired, do not start it up. Start-up is
commissioned to authorized personnel from Schneider Electric.
WARNING: When the UPS input is connected through external isolators that, when
opened, isolate the neutral, or is connected to an IT power distribution system, a label
must be tted at the UPS input terminals by the UPS supplier, and on all primary
power isolators installed remote from the UPS area and on external access points
between such isolators and the UPS by the user, displaying the following text (or
equivalent): "Risk of voltage backfeed. Before working on this circuit, isolate the UPS
and check for hazardous voltage between all terminals including the protective earth."
Caution: All electrical power and power control wiring must be installed by a qualied
electrician and must comply with local and national regulations for maximum power rating.
Caution: Wait until the system is ready be powered up before installing batteries. Failure
to do so can result in a deep discharge of the batteries and cause permanent damage (the
time from the battery installation time till the UPS is powered up should not exceed 72
hours or 3 days.
Note: The system is designed for connection to an IT power distribution system.
Note: The parallel cables must be run by the electrician but not attached. The eld service
engineer from Schneider Electric will install the parallel communication box and attach all
cables to the UPS units.
Note: Up to four UPS units can run in parallel.
Note: Ensure that the all UPS units are in their nal location prior to the installation.
Note: Battery and utility/mains power must not be connected until all other wiring has
been completed.
990-1957C-001
MGE™ Galaxy™ 3500 10-30 kVA 208/220 V Single and Parallel Installation
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