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User Manual
Ningbo Sunways Technologies Co., Ltd.
Grid-connected PV Inverter
Three Phase Eight/Ten MPPT
STT-80K/100K/110K/125KTL
Page 1: ...1 User Manual Ningbo Sunways Technologies Co Ltd Grid connected PV Inverter Three Phase Eight Ten MPPT STT 80K 100K 110K 125KTL...
Page 2: ...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 Installatio...
Page 3: ...ctions and characteristics of inverters 1 2 Target Groups This manual is applicable to the electrical installers with professional qualifications and the people who bought this inverter If there are a...
Page 4: ...esult in death or serious personal injury Used to warn of potentially dangerous situations if not avoided it may result in moderate or minor personal injury Attention Used to transmit the safety warni...
Page 5: ...which are list below STT 80KTL STT 100KTL STT 110KTL STT 100KTL HV STT 125KTL HV 3 1 3 Applicable grid type The applicable grid types for the Sunways STT 80 125kW series are TN S TN C TN C S IT and TT...
Page 6: ...view as shown in Figure 3 6 Back Rail Back Rail Back Rail Back Rail 3 2 Appearance Introduction 3 2 1 Inverter front view as shown in Figure 3 3 Name Plate DC Switch Optional DC Switch Optional DC Inp...
Page 7: ...e 3 8 for the packing list 4 Product Installation 4 1 Selection of Installation Location The Sunways STT 80 125kW series is designed with IP65 protection for indoor and outdoor installations When sele...
Page 8: ...1 Wall bracket installation Dimensions of wall bracket see Figure 4 4 1 Use the inverter back bracket as the template to mark the position of 6 holes on installation bracket 2 Use an electrical drill...
Page 9: ...ip off the DC cable insulation sleeve for 7 mm as shown in Figure 4 8 Cable type Conductor cross setional area mm General photovoltaic cable Scope mm Recommended value mm 2 5 4 0 4 0 Figure 4 8 Wire c...
Page 10: ...equirements of the inverter See technical parameters for details 1 AC circuit breaker The rated output voltage of Sunways STT series 80 125kW three phase inverter and the recommended circuit breaker s...
Page 11: ...nd press with a hydraulic clamp As shown in Figure 4 16 160mm Strip Length L L Outside Diameter 30 45mm L1 L2 L3 PE N 4 3 2 1 AC connector connection steps 1 Take out the ring spanner from the accesso...
Page 12: ...does not need to be configured 2 The WiFi version module needs to be configured to the router for the first installation and if the router name or password changed you need to configure it again For d...
Page 13: ...command DRM0 DRM5 DRM6 DRM7 DRM8 4 5 2 RS485 Communication STT 80 125kW series three phase inverter supports multiple inverters connection to a Sunways data logger in a daisy chain mode through RS485...
Page 14: ...turn the three DC switches to the OFF position At this time there is remaining power in the inverter capacitor Wait for 5 minutes until the inverter is completely de energized before operating 3 Disco...
Page 15: ...lay Test Pass otherwise will display Test Fail After each item tested the inverter will reconnect to the grid and automatically start the next test item according to the requirements of CEI 0 21 Remot...
Page 16: ...ult messages will display on the OLED display and in this case the inverter might stop feeding into grid The fault messages and their corresponding troubleshooting methods are listed below Error Messa...
Page 17: ...TL STT 100KTL HV STT 125KTL HV DC Input Start up Voltage V 200 200 200 200 200 Max DC Input Voltage V 1 100 1 100 1 100 1 100 1 100 Min DC Voltage V 180 180 180 180 180 Rated DC Input Voltage V 620 62...
Page 18: ...00 Address No 1 Second Road Green Industrial Zone Chongshou Town Cixi City ZheJiang Province PEOPLE S REPUBLIC OF CHINA Website www sunways tech com Service Mail service sunways tech com Hotline 86 4...
