122.4 Installation of external batteryPerform the battery connecting procedure according to the following steps strictly:1. Make sure the UPS input and output terminals are uncharged;2. Turn off the battery switch on battery cabinet;3. Connect "+", "N" and "-" of battery to the corresponding terminal bay of UPS;4. Use multimeter (DC Voltage) to measure the voltage of positive and negtive batteries,and check whether they are connected correctly.Note: non-professionals are NOT allowed to operate the steps above, otherwise electricshock may occur.Fig. 8 20K three phase input; single phase+2 wires, 220V outputFig. 9 20K three phase input; single phase+3 wires, 220V/110V outputBATTERYBAT+ BAT-BATTERYBAT+ BAT-

Eaton ON-LINE Series Manual

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