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
SG8_10_12KTL-ECV11-QUEN-Ver15-201508 Version: 1.5

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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 SG8_10_12KTL-ECV11-QUEN-Ver15-201508 Version: 1.5...
  • 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 5  Commissioning............... 23      Description of Button Function ..............23     Commissioning Procedure ................23 6  Viewing PV Plant Information ..........26      SolarInfo Bank Connection ................26     Registration and Adding PV Plant ..............27  ...

  • 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

    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 Smart energy Three-phase electronic energy meter, used to measure meter (optional) the active power output.

  • 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: Meter Connection (Optional)

    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 Connecting Inverter to AC Grid Danger to human life 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 circuit breaker until all inverter electrical connections have completed.

  • Page 21: Dc Connection

    Quick User Manual 4 Electrical Connection 4.4 DC Connection 4.4.1 PV Mode Configuration The two PV inputs can be configured in independent mode or parallel mode. Refer to the user manual for an appropriate mode selection. In independent mode, when there is only one PV input, the other input may produce induced voltage.

  • Page 22: Dc Cables Connection

    4 Electrical Connection Quick User Manual 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 to “5.2 Commissioning Procedure” to modify the configuration mode.

  • Page 23: Second Protective Earth Terminal

    4 Electrical 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. 4.5 Second Protective Earth Terminal The inverter is equipped with second protective earth terminal as specified in EN 50178.

  • Page 24: Communication Connection

    4 Electrical Connection Quick User Manual 4.6 Communication Connection 4.6.1 Interfaces Overview All communication terminals are located on the bottom of the inverter. 4.6.2 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 The following figure shows the RS485 connection to the three-phase smart energy meter. The length of insulation to be stripped off is 5 mm~7 mm. The wires 3 and 6 are connected to terminals A and B respectively. 4.6.3 Ethernet Communication Connection The Ethernet communication can be connected either in single, daisy chain or star topology.

  • Page 26: Power Control Configuration

    4 Electrical Connection Quick User Manual Inverter 1 Inverter 2 SolarInfo Router/Switch Bank Explorer Inverter n Fig. 4-3 Inverters network connection in star topology The star topology network connection is recommended for optimal operation. The maximum number of inverters connected depends on switch, router and other factors.
  • Page 27 Quick User Manual 4 Electrical Connection Fig. 4-4 Connecting the ripple control receiver for inverters with RS485 connections Item Description Master inverter Slave inverter RS485 connection 5-conductor connection at digital input Ripple control receiver Grid Fig. 4-5 Connecting the ripple control receiver for inverters with Ethernet connections Item Description Master inverter...
  • Page 28 4 Electrical Connection Quick User Manual Connect the cables to DI terminal block according to the terminal assignment: Connect the ripple control receiver to the inverter. DO Relay Configuration The inverter has two DO relays, with functions as follows: − DO1: Grounding fault alarm (not configurable) −...

  • 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 Each country code represents corresponding local protective parameters that have been preset before delivery. After country setting, there is the warning screen. (Optional) When the country code “AU”...
  • Page 31 Quick User Manual 5 Commissioning 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. Set PV configure mode on LCD according to the actual PV string configuration.

  • Page 32: Viewing Pv Plant Information

    6 Viewing PV Plant Information After registering on the webpage www.solarinfobank.com, users can view PV plant information through the computer or smartphone. Users can also view PV plant information through the APP of SolarInfo Home 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 6.2 Registration and Adding PV Plant Open a browser and enter the URL www.solarinfobank.com to view the homepage of SolarInfo Bank. Register a new user by clicking “Register”. The registration interface as shown below will appear. User can select Home users or Business users according to real situation.
  • Page 34 6 Viewing PV Plant Information Quick User Manual Fill in the user information in the following interface. Click Expansion to fill in more information in the following interface. Then click Next. The Country, City, Monetary unit and Temperature unit can be selected from the drop-down list.
  • Page 35 Quick User Manual 6 Viewing PV Plant Information Fill in the plant information in the following interface. Click Expansion to fill in more information. Click Complete to finish the registration and click Previous to return to the previous page to modify information. If the Home users is selected in step 2, the registration process is finished by now.
  • Page 36 6 Viewing PV Plant Information Quick User Manual 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. Click Complete to finish the registration and click Previous to return to the previous page to modify information.

  • Page 37: Viewing Information Via The App

    OR code as shown on the right to download and install it. Search for SolarInfo Home in your APP Store. Download and install it. For other smartphones (Android) The address for downloading SolarInfo Home APP is https://play.google.com/store/apps/details?id=com.sungrow.home.or Http://www.solarinfobank.com/app/SolarInfoHome_v1.0.apk. You can also use your...
  • Page 38 6 Viewing PV Plant Information Quick User Manual smartphone to scan the following OR codes to download and install it. Search for SolarInfo Home in your Play Store. Download and install it. Search solarinfo home Download Install...

  • Page 39: Solarinfo Home App Online Registration

    Quick User Manual 6 Viewing PV Plant Information 6.3.2 SolarInfo Home APP Online Registration Slide left Slide left SolarInfo Home NOTE Please enter your e-mail account and the password. Slide right(Yes) Next Inverter Nameplate The same as the SN Submit Press HOME button...

  • Page 40: Visit In "Remote [Login]"Mode

    6 Viewing PV Plant Information Quick User Manual 6.3.3 Visit in “Remote [Login]”mode The SolarInfo Home APP can be visited only in “Remote [Login]” mode. In “Remote [Login]” mode, you need configure the inverter to connect it to your router and complete registration. Then you can log into SolarInfo Home via the Internet to view the device running information anywhere.

  • Page 41: 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 42 7 Appendix Quick User Manual Parameters SG8KTL-EC SG10KTL-EC SG12KTL-EC Protection Anti-islanding 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% efficiency Isolation method Transformerless...
  • Page 43 Sungrow Power Supply Co., Ltd. Add: No.1699 Xiyou Rd.,New & High Technology Industrial Development Zone, 230088,Hefei, P. R. China. Post Zip: 230088 Web: www.sungrowpower.com Tel: +86 551 6532 7834/6532 7845 E-mail: info@sungrow.cn Fax: +86 551 6532 7856 Specifications are subject to changes without advance notice.

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