Eaton 9SX 20KPM Series - Page 29

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4.1.4. Mode 3-3 (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. Connect the ‘UPS input terminal L1/L2/L3’ to main source cable
(L1/L2/L3)
4. connect the ‘UPS bypass terminal L1/L2/L3’ to the bypass source cable
(L1/L2/L3)
5. Output: connect the ground cable (PE) to chassis first
6. Bridge the ‘UPS output terminal N/N’ with ‘busbar #1’, then connect
AC cable (N)
7. Connect the ‘UPS output terminal L1/L2/L3’ to the AC cable (L1/L2/L3).