Related Manuals for Sunways STH-4K-HT
Summary of Contents for Sunways STH-4K-HT
- Page 1 Three-phase High-voltage Hybrid Inverter User Manual STH-4K/5K/6K/8K/10K/12KTL-HT Ningbo Sunways Technologies Co., Ltd.
-
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 ..................... 6 2.3 Important Safety Matters ................6 2.4 Symbols Explanation ................... 7 3. Product Introduction .................. -
Page 3: Preface
The products, services or features you purchase are subject to the commercial assembly, installation, electrical connection, debugging, maintenance and troubleshooting of contracts and terms of Ningbo Sunways technologies Co., Ltd. All or part of the the products. Before installing and using hybrid inverters, please read this manual carefully,... -
Page 4: Statement
2.2 Statement 2.4 Symbols Explanation Ningbo Sunways technologies Co., Ltd. has the right not to undertake quality assurance in any This chapter mainly elaborates the symbols displayed on the hybrid inverter, nameplate and of the following circumstances: packing box. 2.2.1 Damages caused by irregular transportation. -
Page 5: Product Introduction
The surface is hot during operation and no touch is allowed. 3.1.1 Function Sunways STH series is also known as hybrid inverter or storage inverter, which is mainly used Electric shock hazard, it is strictly forbidden to use the person to to combine the PV array, lithium battery, loads and power grid to realize intelligent power disassemble the inverter casing. - Page 6 Figure 3- 2 Schematic diagram of hybrid system by the PV array and grid together. 3.1.5 Operation Modes Inverter Sunways STH Hybrid inverter has the following basic operation modes and you can configure Battery Grid the operation mode as per your preference in the App.
- Page 7 3.1.6 Off-grid Output Ability (UPS Ability) and battery to supply loads in the Load Sunways STH hybrid inverter supports max 2times off-grid instantaneous overload of rated predetermined period and the output power, and each phase support 1.25times continuous overload of rated output power insufficient part will be supplied but only one of them can reach 1.25times output power at the same time.
-
Page 8: Appearance Introduction
3.2 Appearance Introduction 3.2.3 Inverter bottom view, as shown in Figure 3- 5: 3.2.1 Inverter front view, as shown in Figure 3- 3: Bettery Input Terminal Com Port 550mm Logo Display DC Switch Back Rail DC Input Terminal WIFI/LAN Port Figure 3-5 Bottom view Figure 3- 3 Front view 3.2.4 Inverter back view, as shown in Figure 3- 6:... -
Page 9: Display Interface
Indicator Single indicator flash Battery is charging, indicator shows battery level. AC Cover × 1 Sunways Meter with 3 CTs × 1 PV Terminal × 2 Screw × 6 Cord End Terminal × 8 Inverter no AC output. Power Quick flashing Inverter entered self-test status. -
Page 10: Product Installation
4. Product Installation 4.1 Selection of Installation Location The Sunways STH 4~12kW series is designed with IP65 protection for indoor and outdoor installations. When selecting an inverter installation location, the following factors should be 300mm 300mm 300mm considered: 1) The wall on which the inverter is mounted must be strong and can withstand the weight of the inverter for a long time. -
Page 11: 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... - Page 12 4.3.1 Sunways STH hybrid inverter electrical wiring diagram 4.3.1.1 Single inverter wiring diagram This diagram shows Sunways STH 4~12kW series hybrid inverter wiring structure and This diagram is an example without special requirement on electrical wiring connection. composition, concerning the real project, the installation and wiring have to be in line with the Neutral line of AC supply can be isolated or switched.
- Page 13 This diagram is an example for Australia and New Zealand. Neutral line of AC supply must not 4.3.2 External ground connection be isolated or switched. Connect the inverter and ground bar through PE wire to achieve the purpose of grounding protection.
- Page 14 4.3.3.2 DC connector assembly procedures 5) Insert the positive and negative cables into the corresponding positive and negative 1) Select the appropriate photovoltaic cable: connectors, pull back the 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 Cable type Conductor transverse area（mm²）...
- Page 15 2) Before making the connection of AC cable, please confirm all DC & AC power source are disconnected from the inverter. 3) The Sunways STH 4~12kW series three-phase high voltage hybrid inverter applies to the three-phase power grid with a voltage of 230/400V and a frequency of 50/60Hz.
- Page 16 3) Put the cord end terminals on the stripped conductors one by one and press with some The recommended AC cable and AC breaker for Sunways STH 4~12kW series three-phase pressure to make it tightly locked with the conductors, as shown in Figure 4-24:...
- Page 17 The Meter can install in the AC combiner box or other places that are unable to be touched by S1-Black Cable L1/L2/L3/N connect to grid to detect power grid voltage children. Sunways CT integrated a cable with length of 2m and could be extended to 5m at max. L1-S1 L1-S2...
-
Page 18: Communication Connection
4.4 Communication Connection Dismantle the cover of the communication ports with a screwdriver, and put all communication cables through the holes and follow the illustration below to make the 4.4.1 Communication wiring illustration connection of each communication cables, and when all cables have connected, put back the All communication ports are hidden behind the communication terminal in the bottom of cover and screw up the anti-water cap of the holes, as shown in Figure 4-35: inverter which are include Meter port, CAN port, BMS port, EMS port, relay output port, DRED... - Page 19 The communication between meter and inverter is an RJ45 interface cable. A 3M length 2) Sunways STH 4~12kW series hybrid inverter integrated a set of relay output dry contacts battery communication cable is already attached to the inverter when you received it, and you with the contact capacity 230Vac/1A or 30Vdc/1A that are very useful in some special just need to insert it to the BMS interface of the inverter and battery.
-
Page 20: Monitoring Device Installation
5. Start and Stop 4.4.6 One key to shut off Sunways STH 4~12kW hybrid inverter comes with one key to shut off function, and you can 5.1 Start Inverter use this function by connecting an external switch into the DRED interface if it requires in the When starting the inverter, follow these steps: installation place. -
Page 21: General Operation
Setting Wire System Sunways inverter provides a monitoring port that can collect data from the inverter and transmit it to Sunways monitoring website via an external monitoring data collector WiFi or Tip: After every setting completed, wait for 10 seconds and the inverter will automaticaly save your settings or modifications. -
Page 22: Troubleshooting
7.1 Fault Messages Risk of inverter damage or personal injury due to incorrect service! Sunways STH 4~12kW series three-phase hybrid inverter is designed in accordance with Always keep in mind that the inverter is powered by dual sources: PV strings and utility grid. -
Page 23: Technical Parameters
8. Technical Parameters STH-4KTL STH-5KTL STH-6KTL STH-8KTL STH- STH- STH-4KTL STH-5KTL STH-6KTL STH-8KTL STH- STH- Model Model 10KTL-HT 12KTL-HT 10KTL-HT 12KTL-HT PV Input Efficiency Max. Input Power (W) 5,200 6,500 7,800 10,400 13,000 15,600 Max. Efficiency 98.1% 98.1% 98.1% 98.2% 98.2% 98.2% Start-up Voltage (V) - Page 24 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...
Need help?
Do you have a question about the STH-4K-HT and is the answer not in the manual?
Questions and answers