Eaton Corporation Page 50 Ver 1.1WARNINGConfiguration of utility grid connections is required and to becompleted by a licensed engineer or electrical contractor ensure thecorrect sized AC cables is used.DANGERAlternating Current (AC) is terminated in PV Inverter. All connectionsbetween public utility and the PV inverter's Alternating Current (AC)terminals must to be configured and service by a licensed technician.In order for the PV Inverter to be used with the different utility grid systems,the utility-configuration dip switch embedded within wiring box. Theconfiguration setting of this dip switch is described in figure 7.2.1. Thefollowing tables described the functions that can be enabled through the PINconfiguration on the utility configuration dip switch. It is recommended that aqualified service personnel to complete the configuration of this DIP switchduring the installing period.Figure 7.2.1: Utility Configuration Setting DIP SwitchIMPORTANTIt is important to complete the DIP switch settings before starting the ACwiring connections.