Otherwise, the switch may trip by mistake. • If an AC switch is used with specifications beyond local standards, regulations, or Huawei's recommendations, the switch may fail to turn off in a timely manner in case of exceptions, causing serious faults.
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Installing AC Output Power Cables and Signal Cables 1. Route the cables through the junction box and prepare cable terminals. Inner Diameter Rubber Plug 15 mm 22 mm 26 mm 6 mm 8.6 mm 11 mm • If the cable stripping length does not meet the requirements, the airtightness and waterproof performance of the device may be affected.
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Definition Function Description GND port for the DIN1 to DIN5 signals DIN1 DIN2 Ripple control Dry contact for grid scheduling DIN3 DIN4 For the rapid shutdown DI signal or connecting DIN5 Rapid shutdown signal+ to the signal cable of an NS protective device 485A1 RS485A1 differential signal+ For inverter cascading or connecting to the...
Connecting DC Input Power Cables • Ensure that the PV module output is well insulated to ground. • Use the delivered Staubli MC4 metal terminals and DC connectors. Device damage caused by using other types of metal terminals and DC connectors is not covered by the product warranty.
Powering On the System 1. At the AC switch between the inverter and the power grid, use a multimeter to measure the grid voltage and ensure that the voltage is within the operating voltage range of the inverter. If the voltage is not in the allowed range, check the circuits. 2.
Customer Service Contact Information Region Country Email France Germany Spain eu_inverter_support@huawei.com 0080033888888 Europe Italy United Kingdom Netherlands Other countries For details, visit solar.huawei.com. Australia eu_inverter_support@huawei.com 1800046639 Turkey eu_inverter_support@huawei.com - 0080021686868 Malaysia /1800220036 (+66) 26542662 (local call Asia Pacific apsupport@huawei.com charge) Thailand...
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Huawei Digital Power Technologies Co., Ltd. Huawei Digital Power Antuoshan Headquarters Futian, Shenzhen 518043 People's Republic of China solar.huawei.com...