55Installation Manualfor five seconds and then return to normal state.4-2. Powering ON the DC/AC● The work must be performed by qualified personnel.After finishing the wiring, check that the battery system side wiring and the GRID connection were normally completed4. Checking Energization4-1. Checking Energizationin accordance with installation instructions and local regulations.● Check that the wiring work has been completed in accordance with Chapter "Installation".The device may fail if the power is turned on with it incorrectly wired.Preparation• Check that the wiring work has been completed in accordance with Chapter "Installation".• Set the protection device for the Network Adaptor to OFF. ()Operation ProcedureCTCTLN1NL1COMCOMSYSPEPEPESwitch boardN L PENStand-aloneSocket-outlet(Type-02)Turn off these protectiondevices in an emergency. NetworkAdaptorMainswitchPoint ofSupplyTN or TTsystem Storagebatterysystem DC Protector DC ProtectorSBSB2SB1SB1• Turn ON the DC Protector. Power is supplied from the battery to the system.All indicator LED lamps illuminateAll LED lamps illuminate for five seconds and then return to normal state.• Turn ON the protection device for the storage battery system.() Power is supplied from the AC side to the system.DREDProtectiondevice forStoragebatterysystemProtectiondevice forNetworkAdaptor