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990-4045a
Installation Guide APC Silcon 240-320kW 400V UPS 55
6.2.5 Switching Back to Normal Parallel/Redundant Operation
1. Turn input switch (Q001) and output switch (Q002) to position “1”
2. Charge capacitor, connect battery and start up UPS
UPS will automatically switch to normal operation and start load-sharing with other
parallelled UPS(s).
WARNING!
System will discharge built-in capacitors, but check terminal voltage before proceding.
H002a