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Grid-connected PV Inverter
Single Phase Dual MPPT
STS-3K/3.6K/4.2K/4.6K/5K/6KTL
User Manual
Sunways Technologies Co., Ltd.
Page 1: ...1 Grid connected PV Inverter Single Phase Dual MPPT STS 3K 3 6K 4 2K 4 6K 5K 6KTL User Manual Sunways Technologies Co Ltd...
Page 2: ...15 4 3 Electrical Connection 17 4 4 Monitoring Device Installation 22 4 5 CT RS485 DRED Connection 23 4 6 System Layout of Units without Integrated DC Switch 26 5 Start and Stop 27 5 1 Start the Inve...
Page 3: ...ance please contact the local designated personnel for system installation and maintenance 2 1 6 To use this grid connected inverter for power generation needs the permission of the local power supply...
Page 4: ...late and packing box 2 4 1 Symbols on the Inverter Danger Warning Caution Dangerous situation if not avoided it could result in death or serious personal injury Description Symbol Potentially dangerou...
Page 5: ...S 4 2KTL STS 4 6KTL STS 5KTL STS 6KTL 3 1 3 Applicable grid type The applicable grid types for the Sunways STS 3 6kW series are TN S TN C TN C S and TT When applied to the TT grid the voltage of N to...
Page 6: ...2 2 Inverter side view 360mm 410mm Logo Display Name Plate 360mm 120mm Figure 3 4 Bottom view Figure 3 5 Inverter back view 3 2 3 Inverter bottom view 3 2 4 Inverter back view Back Rail Vent Valve 120...
Page 7: ...n Figure 4 1 sunways 3 3 Display Interface Figure 3 6 Display interface Inverter 1 Wall Bracket 1 Expansion Bolt 4 PV Terminal 2 Figure 3 7 Packing list 3 4 Packing List The package of the inverter in...
Page 8: ...tion angle of the inverter is recommended as shown in Figure 4 3 Figure 4 2 Recommended installation spacing Figure 4 3 Recommended installation angle Do not put flammable and explosive articles aroun...
Page 9: ...se serious damage to the inverter Static may cause damage to the electronic components of the inverter Anti static measures should be taken during installation and maintenance Do not use other brands...
Page 10: ...pull back the DC cable to ensure that the terminal is tightly attached in the connector 6 Use an open end wrench to screw the nut to the end to ensure that the terminal is well sealed as shown in Fig...
Page 11: ...PE N wires for 8mm as shown in Figure 4 15 3 Insert the stripped end of each three wire into the appropriate hole of the terminal head yellow green wire to PE port red or brown wire to L port and blue...
Page 12: ...GPRS LAN and RS485 communication Plug the WiFi LAN or GPRS module into the COM1 port in the bottom of inverter as shown in Figure 4 20 A slight click sound during the installation represents that the...
Page 13: ...terminals which are defined as follows 4 5 2 RS485 Communication STS series single phase inverter supports multiple inverters daisy chain connection to a data logger via RS485 communication Multiple...
Page 14: ...higher than the inverter start up voltage the inverter will start 3 When both AC and DC power supply are normal the inverter is ready to start The inverter will initiate checking its internal paramet...
Page 15: ...creen displays Auto Test Record and hold the button 3 seconds to check the test results The auto test type will be chosen from Remote and Local before starting the auto test Remote is set as 1 by defa...
Page 16: ...are all firmly connected and DC switch is on 2 Check whether the input voltage meets the working voltage Mains Lost 1 Check whether the mains supply is lost 2 Check whether the AC breaker and terminal...
Page 17: ...let if necessary Six months to a year it depends on the dust contents in air Model STS 3KTL STS 3 6KTL STS 4 2KTL STS 4 6KTL STS 5KTL STS 6KTL DC Input Start up Voltage V 120 120 120 120 120 120 Max D...
Page 18: ...egrated AC Over voltage Protection Integrated General Data Dimensions mm 410W 360H 120D Weight kg 13 Protection Degree IP65 Self consumption at Night W 1 Topology Transformerless Operating Temperature...
