Grid-connected PV Inverter
Three Phase Dual MPPT
STT-6K/8K/10K/12K/15K/17K/20K/25KTL
User Manual
Ningbo Sunways Technologies Co., Ltd.
Страница 1: ...Grid connected PV Inverter Three Phase Dual MPPT STT 6K 8K 10K 12K 15K 17K 20K 25KTL User Manual Ningbo Sunways Technologies Co Ltd...
Страница 2: ...3 3 Display Interface 12 3 4 Packing List 13 4 Product Installation 13 4 1 Selection of Installation Location 13 4 2 Mounting the Inverter 15 4 3 Electrical Connection 17 4 4 Monitoring Device Instal...
Страница 3: ...rid connected inverter for power generation needs the permission of the local power supply authority 2 1 7 During the operation of the inverter the surface temperature may be higher and there is a ris...
Страница 4: ...g needs to be properly grounded Danger Warning Caution Used to warn of urgent dangerous situations if not avoided it could result in death or serious personal injury Description Symbol Used to warn of...
Страница 5: ...8 models which are listed below STT 6KTL STT 8KTL STT 10KTL STT 12KTL STT 15KTL STT 17KTL STT 20KTL STT 25KTL 3 1 3 Applicable grid type The applicable grid types for the Sunways STT 6 25kW series ar...
Страница 6: ...r side view as shown in Figure 3 3 10 Figure 3 4 Bottom view Figure 3 5 Inverter back view 3 2 3 Inverter bottom view as shown in Figure 3 4 3 2 4 Inverter back view as shown in Figure 3 5 11 410mm 17...
Страница 7: ...complete at the first time when receiving the goods See Figure 3 7 for the packing list 4 Product Installation 4 1 Selection of Installation Location The Sunways STT 6 25kW series is designed with IP6...
Страница 8: ...ter Warning 14 4 2 Mounting the Inverter 4 2 1 Wall bracket installation Dimensions of wall bracket see Figure 4 4 1 Use the wall bracket as the template to mark the position of 5 holes on the wall Se...
Страница 9: ...tage of each PV string does not exceed 1100V 4 3 1 2 DC connector assembly procedures 2 Peel off the DC cable insulation sleeve for 7 mm as shown in Figure 4 8 Cable type Conductor transverse area mm...
Страница 10: ...se a multimeter to measure the voltage of the DC input string verify the polarity of the DC input cable and ensure that each string voltage is within 1000V Warning Open end Wrench 18 Figure 4 12 Figur...
Страница 11: ...sing Otherwise it may cause electric shock Good grounding is good for resisting surge voltage shock and improving EMI performance Inverters must be well grounded For a system with only one inverter ju...
Страница 12: ...fely disconnect the open circuit voltage of the PV array plus a safety reserve of 20 Install a DC switch to each PV string to isolate the DC side of the inverter We recommend the following electrical...
Страница 13: ...energized before operating 3 Disconnect the AC and DC cables 24 6 General Operation 6 1 Display Operation When the inverter is turned on the following interfaces will be displayed on the OLED display...
Страница 14: ...liably before shipment When a fault occurs the corresponding fault messages will display on the OLED display and in this case the inverter might stop feeding into grid The fault messages and their cor...
Страница 15: ...ata Dimensions mm 550W 410H 175D Weight KG 22 25 ProtectionDegree IP65 Self consumptionatNight W 1 Topology Transformerless OperatingTemperatureRange C 30 60 RelativeHumidity 0 100 OperatingAltitude m...