Eaton E Series DX - Procedures of Connecting Battery Bank to UPS

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3.Parallel machine wire connection drawing:
3.6 Procedures of connecting battery bank to UPS
The rated over-current protection breaker should be installed between the battery
bank and the UPS, please refer to the wiring table at the last section for the
specication.
(1) Make sure that there are no voltages present on the input and output
terminals, and there is no voltage output of the external battery socket;
(2) Turn off the battery breaker;
(3) Remove the panel on the terminal bay and connect “+”, “N” and “-“ wires from
UPS terminal bay to “+”, “N” and “-“ of the battery cabinet; make sure the battery
polarities are correctly connected;
(4) Use a multimeter (DC Voltage) to measure the voltage of positive and negative
batteries as well as positive and negative polarity, then close the cover of the
terminal block.