Sungrow SG8KTL-EC Quick User Manual
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Sungrow SG8KTL-EC Quick User Manual

Sungrow SG8KTL-EC Quick User Manual

Pv grid-connected inverter
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Quick User Manual
SG8KTL-EC/SG10KTL-EC/
SG12KTL-EC
PV Grid-Connected Inverter
SG8K_10K_12KTL-EC-QUEN-Ver13-201409 Version: 1.3

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Summary of Contents for Sungrow SG8KTL-EC

  • Page 1 Quick User Manual SG8KTL-EC/SG10KTL-EC/ SG12KTL-EC PV Grid-Connected Inverter SG8K_10K_12KTL-EC-QUEN-Ver13-201409 Version: 1.3...
  • Page 3 No part of this document may be reproduced in any form or by any means without the prior written permission of Sungrow Power Supply Co., Ltd. Trademarks and other Sungrow trademarks used in this manual are owned by Sungrow Power Supply Co., Ltd. All other trademarks or registered trademarks mentioned in this document owned...

  • Page 4: About This Manual

    This quick user manual provides a general instruction required for installing, wiring, commissioning and operating the SG8KTL-EC, SG10KTL-EC and SG12KTL-EC inverters. SG8KTL-EC, SG10KTL-EC and SG12KTL-EC will be referred to as inverter hereinafter unless specified otherwise. For further instructions on installing or operating, please refer to the detailed user manual which you can require on the package CD or via www.sungrowpower.com.

  • Page 5: Table Of Contents

    Contents About this manual ................II  1  Safety Instructions ..............1      Symbols Explanation .................... 1     Symbols on the Inverter Body ................2     Important Safety Instructions ................2 2  Product Introduction ............... 6      Inverter Appearance .....................
  • Page 6     Description of Button Function ..............23     Commissioning Procedure ................23 6  Viewing PV Plant Information ..........26      SolarInfo Bank Connection ................26     Registration and Adding PV Plant ..............27 7  Appendix ................32 ...

  • Page 7: Safety Instructions

    1 Safety Instructions 1.1 Symbols Explanation Important instructions contained in this manual should be followed during installation, operation and maintenance of the inverter. And they will be highlighted by the following symbols. DANGER indicates a hazard with a high level of risk which, if not avoided, will result in death or serious injury.

  • Page 8: Symbols On The Inverter Body

    1 Safety Instructions Quick User Manual 1.2 Symbols on the Inverter Body Disconnect the inverter from mains and PV generator before service! Do not touch any inner live parts until 10 minutes after disconnection from the utility grid and the PV input. Hot surface! In order to reduce the risk of burns, do not touch the hot surface when the device is running.
  • Page 9 Quick User Manual 1 Safety Instructions During Installation Prior to installing the inverter onto the wall, it is crucial to make certain that the inverter is not electrically connected. System performance loss due to bad ventilation! The device requires good quality ventilation during operation. It is essential to keep the unit upright and nothing covering the heat sink in order to ensure that the device interior is well cooled down.
  • Page 10 1 Safety Instructions Quick User Manual During Inverter Operation Do not open the enclosure when the inverter is under voltage. There is an unlikely but possible risk of explosion in very specific cases of malfunction. The enclosure will protect persons and property from such an explosion, only if it is correctly sealed.
  • Page 11 Quick User Manual 1 Safety Instructions  Any malfunction that may impair the inverter safety functions must be repaired immediately before the inverter is restarted.  Inverter contains no owner serviceable parts inside. Please contact local authorized personnel if any service work is required. Servicing of the device in accordance with the manual should never be undertaken in the absence of proper tools, test equipments or more recent revision of the manual which is clearly and thoroughly...

  • Page 12: Product Introduction

    Item Description Remark Monocrystalline silicon, polycrystalline silicon, and PV strings thin-film of protection class II without grounding Inverter SG8KTL-EC, SG10KTL-EC and SG12KTL-EC Metering device Meter cupboard with power distribution system Household load Household appliances Utility grid TT, TN-C, TN-S, TN-C-S...

  • Page 13: Inverter Appearance

    Quick User Manual 2 Product Introduction 2.1 Inverter Appearance Fig. 2-2 Inverter Appearance Name Description LCD display panel Human-computer interaction interface for looking up running information and configuring parameters. Side grips The side grips are designed for holding the unit when mounting, moving or servicing the inverter.

  • Page 14: Unpacking And Inspecting

    2 Product Introduction Quick User Manual 2.2 Unpacking and Inspecting Unpack the carton and take out all the accessories. Inspect the inverter for visible damages and check the completeness of the delivery contents according to the inner packing list. Contact your supplier if the delivery is incomplete or damaged. The inverter is unavailable if any damage is detected.

  • Page 15: Mechanical Installation

    3 Mechanical Installation 3.1 Select an Optimal Installation Position  The inverter must be mounted in a vertical site.  This requires a firm wall or metal frame.  Mount the inverter at an appropriate site without flammable material and flammable gas nearby. ...
  • Page 16 3 Mechanical Installation Quick User Manual  Avoid exposing the inverter to direct sunlight or rain or snow! Shaded site of the building would be better.  Take enough space for convection into consideration during installing multiple inverters. It is suggested to position the multiple inverters in a staggered way if necessary.

  • Page 17: Installation

    Quick User Manual 3 Mechanical Installation 3.2 Installation Move the inverter to the installation site with the help of another person or the lifting device by means of the side grips. Always keep in mind the weight of the inverter! The Installers should wear gloves to avoid scratches when moving and mounting the inverter.

  • Page 18: Electrical Connection

    4 Electrical Connection Death hazards due to high voltage inside the inverter! Make sure that all the DC and AC cables to the inverter are not live before the electrical work. Do not turn on the AC or DC circuit breaker until all inverter electrical connections have completed.

  • Page 19: Ac Connection

    Inverter Type Specification for AC Circuit Breaker SG8KTL-EC SG10KTL-EC SG12KTL-EC  It is not allowed for several inverters to use the same circuit breaker.  It is not allowed to connect loads between inverter and circuit breaker.
  • Page 20 4 Electrical Connection Quick User Manual Insert appropriate size AC cables into the water-proof terminal. Strip off insulation layer of all AC cables. length strip insulation approximately 10 mm. Fix all cables ends to the corresponding terminals with the torque of 1 Nm according to markings on the connector, especially “PE”...

  • Page 21: Dc Connection

    Y-type cable connector terminal to handle power and/or current levels higher than those a single tracker can handle. For SG8KTL-EC and SG10KTL-EC, the default configuration mode of the LCD screen is independent mode. If you want to configure it to parallel mode, please refer “5.2...

  • Page 22: Dc Cables Connection

    One pair of DC terminals in DC1 input and DC2 input must be short-circuited by Y-type cable connector terminal. (For SG8KTL-EC and SG10KTL-EC) Seal the unused DC terminals with the terminal caps.

  • Page 23: Second Protective Earth Terminal

    Quick User Manual 4 Electrical Connection 4.4 Second Protective Earth Terminal The inverter is equipped with second protective earth terminal as specified in EN 50178. 4.4.1 Second PE Terminal There is a second PE terminal on the right side of the inverter. You may choose to connect PE connection.

  • Page 24: Communication Connection

    4 Electrical Connection Quick User Manual 4.5 Communication Connection 4.5.1 Interfaces Overview All communication terminals are located on the bottom of the inverter. 4.5.2 RS485 Communication Connection Where there is more than one inverter, all inverters can be connected in a “daisy chain”.

  • Page 25: Ethernet Communication Connection

    Quick User Manual 4 Electrical Connection 4.5.3 Ethernet Communication Connection The Ethernet communication can be connected either in single, daisy chain or star topology. Fig. 4-1 Single inverter network connection Fig. 4-2 Inverters network connection in daisy chain topology The network communication of the daisy chain is done via the inverter in-built switching chip.

  • Page 26: Power Control Configuration

    4 Electrical Connection Quick User Manual 4.5.4 Power Control Configuration There are two terminals located on the bottom of the inverter for power control configuration: DI and DO. Power Control Settings The inputs of DI can be used to connect a ripple control receiver for active power control.
  • Page 27 Quick User Manual 4 Electrical Connection Fig. 4-5 Connecting the ripple control receiver for inverters with Ethernet connections Item Description Master inverter Slave inverter Ethernet cable Router 5-conductor connection at digital input Ripple control receiver Grid Connect the cables to DI terminal block according to the terminal assignment: Connect the ripple control receiver to the inverter.
  • Page 28 4 Electrical Connection Quick User Manual Multi-function Relay Configuration The inverter has a multi-function DO relay, whose switching can be configured. For example, the DO terminal can be configured with the following functions: − DO1: Alarm output − DO2: Consumer load control Connect the cables to DO terminal block according to the terminal assignment: The relay can be configured as NO (by connecting COM and OFF) or NC (by connecting COM and ON) contact.

  • Page 29: Commissioning

    5 Commissioning Before starting the inverter, make sure all installation and connections are completed and verified. 5.1 Description of Button Function Inverter offers two buttons for the user to look up the running information and configure parameters settings. The two buttons have multiple functions. Please refer to Tab.
  • Page 30 5 Commissioning Quick User Manual Perform country settings with the right two buttons. Confirm the settings by Pressing ENTER Configure the protective parameters settings. Single-stage protection: There is only one protection threshold range for each grid voltage protection parameter. Multi-stage protection: The protection parameters for each grid voltage protection can be set with two threshold ranges.
  • Page 31 Quick User Manual 5 Commissioning If inverter’s commissioning fails, the “FAULT” indicator will be lit and “FAULT” will  occur on the display. Press to view “current fault” information. Refer to the user manual for troubleshooting. Repeat above procedures inverter commissioning.

  • Page 32: Viewing Pv Plant Information

    6 Viewing PV Plant Information After registering on the webpage www.solarinfobank.com, user can view PV plant information through the computer or smartphone. User can also view PV plant information through the APP of SolarInfo Bank installed into the smartphone. 6.1 SolarInfo Bank Connection Connect the communication cable between router and inverter, and connect the communication cable between router and PC.

  • Page 33: Registration And Adding Pv Plant

    Quick User Manual 6 Viewing PV Plant Information Search for SolarInfo Bank, download and install the APP into your smartphone. Open the APP and log in, and then you can view the plant information through the APP of SolarInfo Bank. Search for SolarInfo Bank and install Open SolarInfo Bank Input name and password to login The APP of SolarInfo Bank cannot be visited by “Local Mode”.
  • Page 34 6 Viewing PV Plant Information Quick User Manual The registration interface as shown below will appear .User can select Home user or Business user according to real situation. Select Home user for residential use. Select Business user for commercial use. Fill in user information as shown in the following figure and click Next.
  • Page 35 Quick User Manual 6 Viewing PV Plant Information...
  • Page 36 6 Viewing PV Plant Information Quick User Manual Enter the Plant Information interface. Click Complete to finish the registration and click Previous to return to the precious page to modify information. If the Home users is selected in step 2, the registration process is finished by now. ...
  • Page 37 -25°C…+60°C Overvoltage Category III[MAINS],II[PV] Grid Monitoring: VDE 0126-1-1 VDE-AR-N 4105 SUNGROW POWER SUPPLY CO., LTD. WWW.SUNGROWPOWER.COM MADE IN CHINA Proceed as follows to fill in the Device Information if the Business users is selected in step 2. The format of Serial number, Password, and Device name are the same as that in Step 4.

  • Page 38: Appendix

    7 Appendix Technical Data Parameters SG8KTL-EC SG10KTL-EC SG12KTL-EC Input Side Data Max. PV input power 8440 W 10550 W 12650 W Max. PV input voltage 1000 V Startup voltage 250 V Nominal input voltage 610 V MPP voltage range 200...900 V MPP voltage range for 320...800 V...
  • Page 39 Quick User Manual 7 Appendix Parameters SG8KTL-EC SG10KTL-EC SG12KTL-EC Protection Anti-islanding protection DC reverse connection protection short circuit protection Leakage current protection DC switch Integrated DC fuse Overvoltage protection System Max. efficiency 98.0% 98.0% 98.0% Max. European 97.5% 97.6% 97.5%...
  • Page 40 Sungrow Power Supply Co., Ltd. Add: No.1699 Xiyou Rd.,New & High Technology Industrial Development Zone, 230088,Hefei, P. R. China. Contact: Mr. Henry (Director of International Trade) Web: www.sungrowpower.com Tel: +86 551 6532 7834/6532 7845 E-mail: info@sungrow.cn Fax: +86 551 6532 7856...

This manual is also suitable for:

Sg10ktl-ecSg12ktl-ec

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