Related Manuals for Sunways STT-4K
Summary of Contents for Sunways STT-4K
- Page 1 Grid-connected PV Inverter T h r e e P h a s e D u a l M P PT User Manual STT-4K/5K/6K/8K/10K/12K/15K/17K/20K/25KTL Ningbo Sunways Technologies Co., Ltd.
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Page 2: Table Of Contents
CONTENTS 1. Preface ........................5 1.1 Overview ....................... 5 1.2 Target Groups ....................5 2. Safety Instructions ....................5 2.1 Safety Notes ....................5 2.2 Statement ..................... 5 2.3 Important Safety Matters ................6 2.4 Symbols Explanation ................... 7 3. Product Introduction .................. -
Page 3: Preface
Service Mail: service@sunways-tech.com in sunlight. Hotline: +86 400-9922-958 2.2 Statement Ningbo Sunways technologies Co., Ltd. has the right not to undertake quality assurance in any of the following circumstances: 2.2.1 Damages caused by irregular transportation. -
Page 4: Important Safety Matters
2.4 Symbols Explanation 2.2.2 Damages caused by incorrect storage, installation or use. 2.2.3 Damages caused by installation and use of equipment by non-professionals or untrained This chapter mainly elaborates the symbols displayed on the inverter, nameplate and packing personnel. box. 2.2.4 Damages caused by failure to comply with the instructions and safety warnings in the 2.4.1 Symbols on the Inverter products and documents. -
Page 5: Product Introduction
Keep dry. 3.1.3 Applicable grid type The applicable grid types for the Sunways STT 4~25kW series are TN-S, TN-C, TN-C-S, IT and Stacked layers. TT. When applied to the TT grid, the voltage of N to PE should be less than 30V. See Figure 3-1 for details: 3.1.4 Storage conditions... -
Page 6: Appearance Introduction
3.2 Appearance Introduction 3.2.3 Inverter bottom view, as shown in Figure 3-4: 3.2.1 Inverter front view, as shown in Figure 3-2: 550mm Logo DC Switch (Optional) Com2 Port Back Rail (Optional) DC Input Terminal Com1 Port Display Figure 3-4 Bottom view 3.2.4 Inverter back view, as shown in Figure 3-5: Figure 3-2 Front view 3.2.2 Inverter side view, as shown in Figure 3-3:... -
Page 7: Display Interface
4.1 Selection of Installation Location Slow flashing Inverter powered on, waiting for the grid connection. Power The Sunways STT 4~25kW series is designed with IP65 protection for indoor and outdoor Indicator Quick flashing Inverter detected grid power and entered self-test status. -
Page 8: Mounting The Inverter
4.2 Mounting the Inverter 4.2.1 Wall bracket installation Dimensions of wall bracket, see Figure 4-4: Figure 4-1 Recommended installation 300mm Warning Do not put flammable and explosive articles around the inverter. 150mm 150mm 4.1.2 The requirements for inverter installation spacing are shown in Figure 4-2: 150mm 300mm 300mm... -
Page 9: Electrical Connection
Do not use other brands or other types of PV terminals other than the PV Attention terminal in the accessory package. Sunways has the right to refuse all damages caused by the mixed-use of terminals. Moisture and dust can damage the inverter, ensure the cable gland is securely Attention tightened during installation. - Page 10 4.3.2 Connection of AC output Cr i mp i ng Pl ie r The Sunways STT 4-25kW series three phase inverter applies to the three-phase power grid with a voltage of 230/400V and a frequency of 50/60Hz. The recommended cable and AC breaker for the Sunways STT 4~25kW series three phase...
- Page 11 2) According to the table above, select an appropriate copper cable, peel the insulation sleeve 5) Connect the AC connector to the inverter AC terminal, and rotate the AC connector buckle of AC cable off for 50mm, and peel off the end of 3L /PE / N wires for 8mm, as shown in Figure clockwise until its tight enough.
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Page 12: Monitoring Device Installation
Figure 4-20： 4.4 Monitoring Device Installation Sunways STT 4~25kW series three phase inverter supports WiFi, GPRS and RS485 communication, you can choose according to your specific needs. Plug the WiFi or GPRS module into the COM1 port in the bottom of inverter by following the... - Page 13 1.Only Anti-reverse version with this port. 2.Connect external Meter (With 3CTs) to realize Port 1 RS485 B the anti-reverse function on Sunways STT series inverter. PE/NULL RS485 RS485 RS485 RS485 A 1.Anti-reverse/RS485/DRED version with this Internet port.
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Page 14: System Layout Of Units Without Integrated Dc Switch
Insulator ring Inverter Grid 20-25mm DC Switch DC INPUT AC OUTPUT Port 1 Port 2 AC Breaker 20-25mm Port 3 Screw cap Metal plate Sealing ring 3/6pin connector To grounding electrode Figure 4-22 Figure 4-24 5. Start and Stop 5.1 Start Inverter When starting the inverter, follow these steps: 1) Turn on the AC breaker first. -
Page 15: General Operation
6. General Operation 6.2 Auto-Test This function is disabled by default, and only will be functional in the safety code of Italy. 6.1 Display Operation Short press the button several times until “Auto Test CEI 0-21” displays on the screen, press When the inverter is turned on, the following interfaces will be displayed on the OLED display, and hold the button 3 seconds to activate “Auto Test”. -
Page 16: Troubleshooting
7.1 Fault Messages Risk of inverter damage or personal injury due to incorrect service! Sunways STT 4~25kW series three-phase inverter is designed in accordance with grid Always keep in mind that the inverter is powered by dual sources: PV strings and utility grid. -
Page 17: Technical Parameters
8. Technical Parameters STT- STT- STT- STT- STT- STT- STT- STT- STT- STT- STT- STT- STT- STT- STT- STT- STT- STT- STT- STT- Model Model 4KTL 5KTL 6KTL 8KTL 10KTL 12KTL 15KTL 17KTL 20KTL 25KTL 4KTL 5KTL 6KTL 8KTL 10KTL 12KTL 15KTL 17KTL... - Page 18 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: +86 400-9922-958...
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