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2 Safety SMA Solar Technology AG <br />Installation ManualSBxx-1SP-US-41-IA-xx-12 10 <br />DANGER <br />Danger to life due to electric shock in case of overvoltages and if surge <br />protection is missing <br />Overvoltages (e. g. in the event of a flash of lightning) can be further conducted into the building <br />and to other connected devices in the same network via the network cables or other data cables <br />if there is no surge protection. Touching live parts and cables results in death or lethal injuries due <br />to electric shock. <br />• Ensure that all devices in the same network are integrated in the existing overvoltage <br />protection. <br />• When laying the network cable outdoors, ensure that there is suitable surge protection at <br />the network cable transition from the product outdoors to the network inside the building. <br />WARNING <br />Danger to life due to fire or explosion <br />In rare cases, an explosive gas mixture can be generated inside the product under fault <br />conditions. In this state, switching operations can cause a fire inside the product or explosion. <br />Death or lethal injuries due to hot or flying debris can result. <br />• In the event of a fault, do not perform any direct actions on the product. <br />• Ensure that unauthorized persons have no access to the product. <br />• Do not operate the DC load-break switch on the inverter in the event of ground fault <br />• Disconnect the PV array from the inverter via an external disconnection device. If there is no <br />disconnecting device present, wait until no more DC power is applied to the inverter. <br />• Disconnect the AC circuit breaker, or keep it disconnected in case it has already tripped, <br />and secure it against reconnection. <br />• Only perform work on the product (e.g., troubleshooting, repair work) when wearing <br />personal protective equipment for handling of hazardous substances (e.g., safety gloves, <br />eye and face protection, respiratory protection). <br />WARNING <br />Risk of injury due to toxic substances, gases and dusts. <br />In rare cases, damages to electronic components can result in the formation of toxic substances, <br />gases or dusts inside the product. Touching toxic substances and inhaling toxic gases and dusts <br />can cause skin irritation, burns or poisoning, trouble breathing and nausea. <br />• Only perform work on the product (e.g., troubleshooting, repair work) when wearing <br />personal protective equipment for handling of hazardous substances (e.g., safety gloves, <br />eye and face protection, respiratory protection). <br />• Ensure that unauthorized persons have no access to the product. <br />EN <br />G <br />L <br />I <br />S <br />H <br />534 S Sycamore St <br />- 10110979707/01/22