Eaton 9SX 20KPM Series - Page 31

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4.1.6. Mode 1-1 (dual 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 main source cable (N) and bypass source cable (N) with the lugs on
top of each other
3. Bridge the UPS input terminal L1/L2/L3’ with ‘busbar #2’, then connect
the main source cable (L)
4. Bridge the ‘UPS bypass terminal L1/L2/L3’ with ‘busbar #2’, then
connect the bypass source cable (L)
5. Output: connect the ground cable (PE) to the chassis first
6. Bridge the ‘UPS output terminal N/N’ with ‘busbar #1’, then connect
the AC cable(N)
7. Bridge the ‘UPS output terminal L1/L2/L3’ with ‘busbar #2’, then
connect AC cable(L)
For 1 Phase input connection, if set to CVCF (Frequency Converter) mode,
the UPS needs to be derated to 60% of its rated capacity.