Eaton 3C3-EX Series Manual

-44-① When the lead from the output terminal of each set of UPS to the output patch board isless than 20m, wire difference should be less than 20%;② When the lead from the output terminal of each set of UPS to the output patch board islonger than 20m, wire difference should be less than 10%.3. Parallel machine wire connection drawing：3.3 Procedures of connecting battery box to UPS1. Make sure that UPS input and output terminals are uncharged;2. Turn off the battery switch on battery box;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 negative batteries as wellas positive and negative polarity.Remark: remove the panel on the terminal bay and connect “+”, “N” and “-” wires from UPSterminal bay to “+”, “N” and “-” of the battery box. Non-professionals are not allowed to carry outthe task otherwise electric shock may occur.