• Trained or experienced electrical personnel are required to operate the equipment. • Operators should be familiar with national/regional laws, regulations and standards, the structure and working principle of relevant systems. Please read carefully the operating requirements and precautions in this document and Important Notice before operating. Failure to do so may •...
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Interior view Label Description FE, RS485, DI, and DO interfaces QF30 Miniature circuit breaker (Inverter) Cable clamp Ground copper bar QF10 Miniature circuit breaker (Power grid) QF50 Miniature circuit breaker (Backup household loads) Please check that all switches are turned off at the factory. Always avoid hot-line work.
2 Pre-installation Check • Check whether the components are entirely supplied against the packing list and whether the appearance is in good condition. For any problem, contact your sales representative. • Parts and accessories supplied with the packing box are personal assets of the owner and must not be taken away from the installation site. •...
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• The specifications of the Installer–provided cable must comply with the cable regulations and standards of the country or region standards. • L, N and PE should be connected to other equipment in sequence without mixing. Installer-provided cable Cable name Recommended specifications Functional ground cable Outdoor single-core copper flexible cable...
3 Site Selection Requirements • The warranty applies when the equipment has been installed properly for its intended use and in accordance with the operating instructions. During actual installation, the selection of installation location should comply with local firefighting, environmental protection regulations, and •...
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Mounting surface • Do not install the equipment on a flammable carrier. • The installation carrier must meet load-bearing requirements. Solid brick-concrete structure, concrete walls is recommended. • The surface of the installation carrier must be smooth and the installation area must meet the installation space requirements. No water or electricity is routed inside the carrier to prevent drilling •...
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5 Cable Connection 5.1 Recommended Routing Do not perform operations on the equipment with power on. Before operation, please make sure all power supplies to the equipment have been disconnected, including but not limited to the grid side, inverter and diesel generator power switches. •...
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Connecting Functional ground cable 5.4 Connecting Power Grid / Backup household loads / Inverters In off-grid mode, the N wire in the system is short-connected to the To ensure that the inverters, loads, and the Gateway are connected functional grounding wire through the relay to create a grounding to the common ground point, connect the PE cable.
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5.5 Introductions to FE, RS485, DI, and DO Terminals • Refer to Appearance 1 when the label bottom is printed with SGW1PWR3 and Appearance 2 when the label bottom is not printed with SGW1PWR3. • Identify the cable connection and table content suiting you according to the label appearance. Appearance 1 Label Definition...
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Appearance 2 Label Definition Description Fast Ethernet 1 Used to connect an inverter. (Network cable Fast Ethernet 2 Reserved interface) (Reserved)485 PE signal shielding ground Used to connect the (RS485 interface) equipment over RS485. 485-A RS485 signal 2_A+ 485-B RS485 signal 2_B- Signal GND •...
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5.5.1 Connecting RJ45 Network Cable 5.5.2 Connecting DI, DO Cable DI and DO interfaces are available in two appearances. Please make connections based on your actual needs. For details, refer to "5.5 Introductions to FE, RS485, DI, and DO Terminals." ①...
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5.6 Installing Inner panel Check the following items against the provided table, tighten routing holes, and install the protective covers. Measure the voltage of the switch QF1 on the power grid side and Check Item check that the measured value is within the allowable range. Ensure that the cable is connected properly, tighten routing holes, and The equipment has been securely installed.
7 Equipment Power-On • Turn on the front switch of the equipment. • There is a risk of electric shock if the Gateway is left ungrounded. • If the surge protective device is not switched on, failure of surge protection may lead to damage to household loads and Gateway.
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