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4.1.7. Mode 1-3(single source)
1. Input: connect the main ground cable (PE) to the chassis first
2. Bridge the ‘UPS input terminal N/N’ with ‘busbar #1’, then connect the
AC cable(N)
3. Fix the ‘jumper cable’ to ‘busbar #2’, then bridge the ‘UPS input
terminal L1/L2/L3’ with this ‘busbar #2’ and connect AC cable (L),
connect this ‘jumper cable’ to ‘UPS bypass terminal L1’
4. Output: connect the ground cable (PE) to the chassis first
5. Bridge the ‘UPS output terminal N/N’ with ‘busbar #1’, then connect
the AC cable(N)
6. Connect ‘UPS output terminal L1/L2/L3’ to AC cable(L1/L2/L3)
In this configuration, bypass is not available. UPS needs to be derated to
60% of it’s capacity. Harmonics distortion specs will be higher than the
published specification data.
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