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Summary of Contents for Hopewind hopeSun 36KTL
- Page 3 Version: V1.2 Thank you for purchasing products developed and manufactured by Shenzhen Hopewind Technology Co., Ltd. (hereinafter referred to as “Hopewind”). We hope our products and this manual can meet your demands. Any suggestion for improvement shall be appreciated. Shenzhen Hopewind Technology Co., Ltd. reserves the copyright of this manual, and it shall be subject...
- Page 5 This manual is helpful for technicians who need to install, debug, operate and maintain the string inverter of Hopewind. Please read this manual carefully before operating the product. Readers are required to know some basic knowledge about electrical components, wiring, electrical symbols and mechanical drawings.
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Page 7: Table Of Contents
Contents 1 Safety Precautions ..........................1 1.1 Transport ............................ 1 1.2 Storage ............................1 1.3 Installation ..........................2 1.4 Operating ........................... 2 1.5 Maintenance..........................3 2 Product Description ........................... 5 2.1 Product Introduction ........................5 2.1.1 Schematic Diagram ........................5 2.1.2 Operating Mode.......................... - Page 8 6.3 Package the Inverter ........................ 35 6.4 Scrap the Inverter ........................35...
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Page 9: Safety Precautions
Safety Precautions This chapter describes the safety precautions that must be observed when installing, operating and maintaining the inverter. Please read them carefully before operation and follow them in operation process; otherwise it might cause damage to the inverter, the generator and related equipments or cause serious injury or loss of life. -
Page 10: Installation
User Manual Pay attention to the harsh environment, such as quenching, sudden heat, collision, dust, etc., to avoid damage to the string inverter. Regular inspections are required, usually not less than once a week. Check whether the packaging is intact to avoid pest bites. -
Page 11: Maintenance
1 Safety Precautions WARNING Power on the string inverter only after all installation work is completed and cables are not connected incorrectly. It is prohibited to conduct any insulation resistance test or voltage withstand test on the string inverter. Wrong voltage withstand test will damage the string inverter. When conducting insulation withstand voltage test on external equipment of the string inverter, the wiring between the string inverter and the external equipment must be disconnected. -
Page 13: Product Description
Product Description 2.1 Product Introduction HopeSun series three-phase string inverters are independently developed by Hopewind Technology, whose main function is to convert the DC power generated by the PV string into AC power and feed it into the power grid. -
Page 14: System Configuration And Application
User Manual met. 2） In the standby mode, if the inverter detects a shutdown command or finds a fault after the power-on test, it enters the shutdown mode. In the operation mode: The inverter converts the DC power of the PV string into AC power and feeds it into the grid. -
Page 15: Supported Grid Form
2 Product Description 2.2.2 Supported Grid Form The power grid forms supported by hopeSun36KTL, hopeSun40KTL and hopeSun50KTL include TN-S, TN-C, TN-C-S and TT. TN-C-S TN-C TN-S String String String String Inverter Inverter Inverter Inverter Figure 2-5 Schematic diagram of various power grid forms 2.3 Naming Rules hopeSun 50K TL Output side without isolation transformer... -
Page 16: Nameplate Label
User Manual 2.4 Nameplate Label Note: The data is for reference only. For more details, please refer to the physical object or technical agreement of the corresponding product. 2.5 Inverter Configuration This section describes the internal components, back components and bottom interfaces of the string inverter. - Page 17 2 Product Description Label Device name Door panel LED indicator Figure 2-7 Front view of the whole machine The LED indicators from left to right are described as follows: Table 2-1 LED Indicator Description Indicator light Meaning Status Description Blue light on The PV side and the grid are connected normally Blue light fast The grid is connected normally but the PV side is...
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Page 18: Labels On The Package
User Manual Label Device name DC SWITCH DC SWITCH PV1 + ~PV9 + PV+ terminals PV1 - ~PV9 - PV- terminals AC OUTPUT AC output terminal Wi-Fi/GPRS Wi-Fi/GPRS interface RS485-1 RS485 interface RS485-2 Anti-backflow interface Figure 2-8 Bottom view of the inverter 2.6 Labels on the Package On the outer packaging of the product, there are some labels to guide the user to transport and store the product. -
Page 19: Technical Data
The waiting time is not less than the indicated discharge time. 2.8 Technical Data Model hopeSun 36KTL hopeSun 40KTL hopeSun 50KTL Maximum input voltage... -
Page 20: Mechanical Parameters
User Manual hopeSun 36KTL hopeSun 40KTL hopeSun 50KTL Model ≤60dB Noise index Type of cooling Smart air cooling Protection grade IP65 topological structure Transformerless Input terminal MC4 plugging terminal Output terminal Cable gland +OT/DT terminal Technical Standard NB/T 32004-2018 indicator 2.9 Mechanical Parameters... - Page 21 2 Product Description Mechanical condition The vibration should not exceed the following limits: 2Hz≤f<9Hz, displacement 7.5mm; 9Hz≤f<200Hz, acceleration 20m/s 200Hz≤f<500Hz, acceleration 40m/s Storage environment Requirements Storage place Store the product in a warehouse with air circulation, no harmful gases, no flammable or explosive materials, and no corrosive materials.
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Page 23: System Installation
System Installation 3.1 Unpack and Inspect After confirming that the outer packaging is intact, please carry out the unpacking inspection. Unpack the packaging box and check whether the appearance of the string inverter is in good condition. When opening the package, please use tools carefully to avoid scratching the string inverter. Although the inverter has been strictly tested and inspected before leaving factory, accidental damage might happen during transportation. -
Page 24: Reserved Space Requirement
User Manual 3.4 Reserved Space Requirement When installing the string inverter, suitable space must be reserved around it for heat dissipation and maintenance. ≥200mm ≥300mm Figure 3-1 Reserved space requirements If multiple inverters are installed at the same height, the side-by-side installation is recommended. ≥500mm ≥500mm Figure 3-2 Side-by-side installation space... -
Page 25: Installation Method
3 System Installation 3.5 Installation Method WARNING Please refer to 1 Safety Precautions for precautions during inverter installation. For installation environment requirements, please refer to 3.3 Installation Environment Requirements. During installation, it must be confirmed that the site installation position can bear the total weight of the inverter and accessories to avoid falling during installation or use. -
Page 26: Electrical Connections
User Manual 3.6 Electrical Connections 3.6.1 Cable Requirements The choice of cable should comply with relevant national standards and meet the load requirements. Power cable requirements Please refer to the electrical data of the product, and then comprehensively consider the ambient temperature, current, margin as well as other relevant factors to select the cable. -
Page 27: Cable Selection
3 System Installation 3.6.2 Cable Selection Name Recommended Cable Specifications Industry general PV cable, model: PV1-F PV DC branch cable It is recommended to use copper cables with the cross-sectional area of 4.0mm -6.0mm for each PV+ and PV- branch. Recommended cross-sectional area Recommended cross-sectional area Model... -
Page 28: Connect The Pe Cable
User Manual 3.6.5 Connect the PE Cable Please connect the inverter to the grounding bar through the PE cable to achieve the grounding protection. The PE mark is affixed to the PE terminal. The cross-sectional area of the PE cable is not less than 16mm (copper wire) and the bolt specification is M6. -
Page 29: Connect The Ac Output Cable
3 System Installation 3.6.7 Connect the AC Output Cable Precautions An independent three-phase circuit breaker must be configured outside the AC side of each inverter to ensure reliable disconnection of the inverter from the grid. And the circuit breaker specifications should meet the technical requirements. -
Page 30: Connect The Communication Cable
User Manual 3.6.8 Connect the Communication Cable Cable connection instructions The inverter can be connected to communication equipment (such as a data acquisition cabinet or a PC) through the RS485 communication cable. The RS485 interface and the anti-backflow interface are located at the bottom of the inverter, as shown in the figure below (Note: The communication interfaces for the networking and anti-backflow of multiple inverters are RS485-1, and the anti-backflow communication interface of a single inverter is RS485-2). -
Page 31: Connect The Dc Input Cable
3 System Installation RS485-1- 8-PIN terminal for anti-backflow Definition RS485-2+ RS485-2- Terminating resistor Terminating resistor RS485-2+ RS485-2- Insert the communication terminal into the 485 networking communication interface at the bottom of the inverter. 2 Connect GPRS/WiFi communication module Insert the GPRS/WiFi module configured in the delivery accessories into the corresponding port at the bottom of the inverter. - Page 32 User Manual Precautions for grounding the PV string If the inverter is directly connected to the power grid in which the neutral cable and the PE cable are connected, the positive or negative pole of the PV string is prohibited from being grounded, otherwise the inverter cannot work normally.
- Page 33 3 System Installation CAUTION Please use the MC4 terminals configured in the delivery accessories of the inverter. Device damage due to incompatible MC4 terminals is not covered by the warranty. After the cable connection of the string inverter is completed, check if there is a gap at the cable gland. If there is, use fireproof mud to block the gap.
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Page 35: Commissioning Guide
Commissioning Guide 4.1 Check before Power On DANGER Before powering on the inverter, please read "1 Safety Precautions" carefully and do a detailed check according to the table below. Before operating or maintaining the internal metal parts, please use multimeter to measure their voltage to the enclosure (protective earthing) in order to avoid any danger. -
Page 36: System Power On
User Manual 4.2 System Power On After the electrical connection is completed, the inverter can be powered on. Step 1: Set the DC SWITCH of the inverter to the “ON” state. Step 2: Close the AC circuit breaker between the inverter and the power grid. After performing the above steps, if the system has no faults and meets the startup requirements, the inverter will start. -
Page 37: Maintenance And Troubleshooting
Maintenance and Troubleshooting 5.1 Maintenance Items and Cycles DANGER Please read 1 Safety Precautions carefully before maintenance, and use a multimeter and other relevant instruments to detect the voltage between the metal parts that need to be or maybe touched and the grounding copper bars so as to avoid electric shock. -
Page 38: Troubleshooting
Boost side alarm Boost unit open circuit Please contact the Hopewind technician. Boost side short Boost unit short circuit Please contact the Hopewind technician. circuit alarm 1. Check whether the battery string configuration is abnormal 2. - Page 39 Check RAM chip read and RAM self test failed write error 2. If it occurs frequently, please contact the Hopewind technician Add EEPROM parameter list 1. Check whether it can work normally EEPROM and upgrade the code again.
- Page 40 Bus operation short Bus voltage sag exceeds limit circuit 2. If it occurs frequently, please contact the Hopewind technician 1. Check whether it can work normally Bus fault after reset Bus operation over The bus voltage exceeds the...
- Page 41 The bus voltage is voltage imbalance exceeds unbalanced 2. If it occurs frequently, please the setting threshold. contact the Hopewind technician 1. Check whether the components are over matched DC high input DC input voltage exceeds the voltage setting threshold.
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Page 43: Inverter Handling Guide
When the service life of the inverter expires or the inverter is replaced due to failure, it can be disposed according to the applicable electrical waste disposal laws of the place where the inverter is installed, or it can be handed over to Hopewind customer service personnel. --End of the chapter--... - Page 44 If you need to repair or modify this product, please contact our company in advance. Contact Us Shenzhen Hopewind Technology Co., Ltd. Address: Building 11, Second Industrial Park, Guanlong Village, Xili Town, Nanshan District, Shenzhen City, Guangdong Province, China 518055 Website: www.hopewind.com...
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