32 InStALLAtIon And opErAtIon mAnuAL 25-13741-E January 2020 www.eaton.com10. Installation10.5 Wiring detailspanel - powerAC mains to pSuThe power supply unit is housed within MX16 panel. Each unit requires a 3A spur,returning to a breaker clearly marked EVCS do not turn oFF.Ensure an earth cable is connected. Please refer to the label pasted in the unit nearPSU to ensure correct connections.Figure 28. power supply connections - mX16.ote:n An AC power cord is not provided with the unit.do not power on the system while installation work is in progress.pSu to BatteryThe batteries are connected in series and their output is connected to the PSU,at the designated connector - see Figure 29. The wiring harness for connectingbatteries is provided with the unit. Two harnesses are provided for:1. PSU to Battery connection.2. Battery series connection.AC MAINSCOMMUNICATIONCLOCKDATA1 2 3 4BATTERY0V24VNCNCT (-)T (+)1 2 3 4OUTPUT24V0VNCNC1 2 3 4MAINSLIVENEUTRALEARTH1 2 3 4
