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Scenario 2
Installing Cables for Parallel UPSs
•
Before parallel running, ensure that all output circuit breakers for each UPS are ON.
Otherwise, a UPS fault (error code #72) will occur.
• Batteries must be connected for parallel running.
AC input, output, and battery wiring diagram (UPS sharing battery strings)
AC input, output, and battery wiring diagram (UPS not sharing battery strings)
7
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