83.3 Installation and wiring connection diagramEDX 60KVA/80KVA standard models feature single power input. The UPS canbe converted from single power source to dual power source by Eaton customerservice engineers on site. All operations should only be carried out by trainedservice personnel authorised by Eaton.Only connect the AC (3Φ4W) to the main input terminal.(1) Ground wire should be connected to the UPS ground terminal;(2) Connect the AC input cable to the terminal block ① ;(3) Connect the four load power wires to the terminal block ② .1. Wiring connection diagram:2. Single power input:1900