___________________________________________________________________Page 5 of 29Introduction1. Introduction1.1 Introduction of SystemSMILE-B3 is an AC coupled all-in-one battery energy storage system (BESS). It can help to achieve theoptimal usage of renewable energy. SMILE-B3 can control the bi-directional flow of electric power, workunder auto/manual & time-of-use (TOU) modes, charge/discharge the battery as per customer’s setting.Under the auto mode, SMILE-B3 will store surplus renewable energy onto the battery and dischargebattery to supply power to local loads when renewable energy is not enough. SMILE-B3 is equippedwith 3 buttons, friendly human machine interaction system. More importantly SMILE-B3 is stable, safe,and reliable. The schematic is as shown in Figure 1.1:Figure 1.1 Storion-SMILE-B3 System FigureNOTE: For the AC coupled system, if only installing Grid CT, the system cannot display PVInverter generated power, electric energy production etc.1.2 Safety Introduction1.2.1 Manual keepingThis manual contains important information about operating the system. Before operating, please readit very carefully.The system should be operated in strict accordance with the description in the manual, in case that itcauses damages or loss to equipment, personnel and property.This manual should be kept carefully for maintenance and reparation.1.2.2 Operator RequirementsThe operators should get a professional qualification, or trained.The operators should be familiar with the whole storage system, including compositions and workingprinciples of the system.The operators should be familiar with the Product Instruction.