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Hopewind hopeSun Series User Manual

String inverter
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Summary of Contents for Hopewind hopeSun Series

  • 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 highly appreciated.

  • Page 5: About This Manual

    This manual is helpful for technicians who install, debug, operate and maintain string inverters of Hopewind. Please read this manual carefully before operates the product. Readers are required to know the basic knowledge about electric components, wiring, signs and mechanical drawings.

  • 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 Inverter Handling Guide ........................35 6.1 Disassemble the Inverter ......................35 6.2 Replace the Inverter ......................... 35 6.3 Package the Inverter ........................ 35 6.4 Scrap the Inverter ........................35...

  • Page 9: Safety Precautions

    Safety Precautions In this chapter, it 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

    2.1 Product Introduction The hopeSun series string inverter is three-phase string-type grid-connected inverter independently developed by Hopewind Technology. Its 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 Operating mode Description 1） Standby mode mainly means that the external environment does not meet the operating conditions of the inverter such as insufficient light and the disconnection of DC input switch. In this mode, the inverter continuously self-tests and enters the operating mode once the operating conditions are Standby met.

  • Page 15: Supported Grid Form

    2 Product Description 2.2.2 Supported Grid Form The power grid forms supported by hopeSun 100KTL, hopeSun110KTL and hopeSun 125KTL-M include TN-S, TN-C, TN-C-S, TT and IT. TN-C-S TN-C TN-S String String String String String Inverter Inverter Inverter Inverter Inverter Figure 2-5 Schematic diagram of various power grid forms 2.3 Naming Rules hopeSun 125K TL - M M:500Vac on-grid...

  • 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 Upper door LED indicator Lower door Figure 2-7 Front view of the inverter The LED indicators from left to right are described as follows: Table 2-1 LED Indicator Description Indicator light Meaning Status Description The PV side and the grid are connected Blue light on normally...

  • Page 18: Labels On The Package

    User Manual Label Device name Handle Mounting rack Figure 2-8 Back view of the inverter Label Device name DC SWITCH DC SWITCH PV- terminals PV+ terminals AC OUTPUT AC output terminal Wi-Fi/GPRS interface Anti-backflow interface RS485 interface Figure 2-9 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: Warning Signs On The Inverter

    2 Product Description Keep dry. Prevent the inverter No stepping from getting wet or damp Place vertically No rollover and no tilting Front side Back side 2.7 Warning Signs on the Inverter In order to ensure the personal and property safety of users when using this product and avoid accidents, the following warning labels may be placed inside and outside the string inverter to remind users of safety precautions during operation.

  • Page 20: Technical Data

    User Manual 2.8 Technical Data Model 100KTL 110 KTL 125KTL-M Maximum input voltage 1100V Minimum working voltage 180V Working voltage range 200V~1000V MPPT full load working 550V~850V 600V~850V voltage range 720V Input Rated input voltage 600V parameters Maximum input current 65A (13*5) per MPPT Maximum short circuit...

  • Page 21: Mechanical Parameters

    2 Product Description 2.9 Mechanical Parameters  Dimension and Weight Model Width * height * depth (mm) Net weight (kg) hopeSun 100KTL ≤89 hopeSun 110KTL 800*670*330mm hopeSun125KTL  Note: Dimension of the inverter here does not contain hangers, handles, pads and other components. Dimensional error: +10mm.
  • Page 22 User Manual Normal operation state Shutdown state Installation place Do not install the inverter in an area where flammable or explosive materials are stored. The installation site can be indoors or outdoors, preferably in a well ventilated environment. Avoid direct sunlight, rain and snow to extend the life of the inverter. It is recommended to install it in a sheltered location.

  • 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, be careful to use the tool 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: Installation Method

    User Manual ≥300mm ≥300mm Figure 3-1 Reserved space requirements When installing multiple string inverters in a same surface, side by side installation is recommended. ≥500mm ≥500mm Figure 3-2 Side by side installation space When installing multiple string inverters in two lines, the triangle installation is recommended. ≥100mm ≥100mm ≥300mm...

  • Page 25: Hoop Mounting

    3 System Installation the inverter (tilt forward, tilt back too much, roll), horizontally or upside down. If it is impossible to avoid direct sunlight, please add a sunscreen. 3.5.1 Hoop Mounting Installation steps Take out the hanging plate in the package and confirm the front, back, and top of the hanging plate;...

  • Page 26: Bracket Mounting

    User Manual Figure 3-5 String inverter screw rod mounting diagram 3.5.3 Bracket Mounting  This type of mounting allows the inverter to be mounted on a load-bearing wall or bracket. If you need to install the inverter on the wall, please purchase M8 expansion screws and punch holes on the wall for installation according to the site installation environment, wall bearing and other factors.

  • Page 27: Electrical Connections

    3 System Installation 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 Refer to the electrical data in the product data, and then consider the ambient temperature, current, margin and other factors to select the cable.

  • Page 28: Cable Selection

    User Manual 3.6.2 Cable Selection Name Label Recommended Cable Specifications Note PV branch input It is recommended to use a cable with a cable cross-section of 4.0mm -6.0mm each PV+ and PV- branch. AC output cable 4 core outdoor cable (A, B, C, N) or 3 The AC output has only 1 waterproof A、B、C、...

  • Page 29: Connect The Ground Wire

    3 System Installation 3.6.5 Connect the Ground Wire Connect the inverter to the grounding bar through the protective earth wire to achieve the purpose of grounding protection. The PE mark is affixed to the PE terminal. Use a fixed connection and the cross-sectional area of the protective grounding conductor is not less than 16mm (copper wire).

  • Page 30: Connect The Ac Output Cable

    User Manual 3.6.7 Connect the AC Output Cable Precautions  An independent three-phase circuit breaker is required outside the AC side of each inverter to ensure reliable disconnection between the inverter and the power grid. And the circuit breaker specifications meet the technical requirements. ...

  • Page 31: Connect The Dc Input Cable

    3 System Installation 8-pin 8-pin 8-pin terminal terminal terminal 1/2/3 pin 1/2/3 pin 1/2/3 pin 6/7/8 pin 6/7/8 pin 6/7/8 pin Follow 1# inverter 2# inverter 3# inverter this mode series 8-pin terminal 485 interface 1/2/3 pin 485 interface 6/7/8 pin Data collector N# inverter ...
  • Page 32 User Manual DC input terminal selection Number of input channels Combiner box DC input terminal PV1、PV2 PV1、PV2、PV3 PV1 ~ PV3、PV4 PV1 ~ PV4、PV5 PV1 ~ PV5、PV6 PV1 ~ PV6、PV7 PV1 ~ PV7、PV8 PV1 ~ PV8、PV9 PV1 ~ PV9、PV10 PV1 ~ PV10、PV11 PV1 ~ PV11、PV12 PV1 ~ PV12、PV13 PV1 ~ PV13、PV14...
  • Page 33 3 System Installation Positive Negative Figure 3-16 Assembly connector Insert MC4 terminal Insert the positive and negative connectors into the positive and negative terminals of the DC input terminal of the inverter until you hear a ―click‖, indicating that the terminal is stuck in place. CAUTION Please use the MC4 terminals configured in the delivery accessories of the inverter.

  • Page 35: Commissioning Guide

    Commissioning Guide 4.1 Check before Power On DANGER  Before proceeding to the next step of power on, please read carefully this manual "1 safety precautions" and do a detailed check according to the table below.  In order to avoid danger, the multimeter and other instruments must be used to detect the voltage of the metal parts inside the casing (protective ground) of the string inverter.
  • Page 36 User Manual Step 1: Issue the shutdown command to the inverter through the data collector or near-end APP software. Step 2: Disconnect the circuit breaker between the inverter and the power grid. Step 3: Set the DC SWITCH of the inverter to the ―OFF‖ state. --End of the chapter--...

  • 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.
  • Page 43 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 Please contact us in advance if you want repair or alteration service. 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...

This manual is also suitable for:

Hopesun 100ktlHopesun 110 ktlHopesun 125ktl-m

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