Goodwe ET Series User Manual
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Goodwe ET Series User Manual

Hybrid inverter
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User Manual
Hybrid Inverter
ET Series
ET Plus+ Series
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V1.2-2022-03-24

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Summary of Contents for Goodwe ET Series

  • Page 1 User Manual Hybrid Inverter ET Series ET Plus+ Series V1.2-2022-03-24...

  • Page 2: Table Of Contents

    CONTENT User Manual V1.2-2022-03-30 TABLE OF CONTENTS 01 Product Introduction ..........1 1.1 Operation Modes Introduction ..............1 1.2 Safety and Warning ...................2 1.3 Product Overview ..................4 02 Installation Instructions ..........5 2.1 Unacceptable Installations ...............5 2.2 Packing List ....................6 2.3 Mounting ....................6 2.3.1 Select Mounting Location .................
  • Page 3 CONTENT User Manual V1.2-2022-03-30 04 OTHERS ..............32 4.1 Error Messages ..................32 4.2 Troubleshooting ..................34 4.3 Disclaimer ....................38 4.4 Technical Parameters ................40 4.5 Quick Checklist To Avoid Dangerous Conditions .........52 Appendix ..............53...

  • Page 4: Product Introduction

    Product Introduction 01 Product Introduction The ET series and ET Plus series, also called hybrid or bidirectional solar inverters, provides energy management in a PV system that includes solar modules, a battery, loads, and utility grid connection. Energy produced by the PV system is prioritized to supply loads and then any excess energy to charge the battery.

  • Page 5: Safety And Warning

    User Manual V1.2-2022-03-30 1.2 Safety and Warning The ET series and ET Plus series of inverters from GoodWe Technologies Co., Ltd. (also called GoodWe) strictly complies with related safety rules for product design and testing. Please read and follow all of the instructions and cautions appearing on the inverter or in the User Manual during installation, operation and maintenance, as any improper operation might cause personal injury or property damage.
  • Page 6 User Manual V1.2-2022-03-30 Product Introduction Safety Warnings Any installation or operations on the inverter must be performed by qualified electricians in compliance with standards, wiring rules and the requirements of local grid authorities or companies (such as AS 4777 and AS/NZS 3000 in Australia). Never insert or remove the AC or DC connections when the inverter is running.

  • Page 7: Product Overview

    Product Introduction User Manual V1.2-2022-03-30 1.3 Product Overview PV Input Terminal Battery Terminal DC Switch (PV+/PV-) (BAT+/BAT-) Communication Module METER COM Terminal Port (WiFi or Bluetooth) Communication Port AC Terminal BMS Communication Port WiFi Reset (ON-GRID and BACKUP) Indicators PE Terminal 12.

  • Page 8: Installation Instructions

    User Manual V1.2-2022-03-30 Product Introduction LED Indicators EXPLANATION INDICATOR COLOR STATUS ON = System is ready BLINK = System is starting up SYSTEM OFF = System is not operating ON = Back-up is ready / power available OFF = Back-up is off / on power available BACK-UP ON = Battery is charging BLINK 1 = Battery is discharging...

  • Page 9: Packing List

    Installation Instructions User Manual V1.2-2022-03-30 Smart Meter Battery Backup Load The Inverter does not support off-grid One meter cannot be connected One battery bank cannot be to multiple inverters. Different CTs functions in gridless areas. connected to multiple inverters. cannot connect to the same line cable. Generator Incompatible battery Backup...
  • Page 10 Installation Instructions User Manual V1.2-2022-03-30 Rule 4. Ambient temperature should be lower than 45°C (113°F). High ambient temperature will cause power derating of inverter. The temperature and humidity at the installation site should be within the appropriate range (60 °C for outdoor unconditioned with solar effects). Rule 5.

  • Page 11: Mounting

    Installation Instructions User Manual V1.2-2022-03-30 Mounting Support Requirements • The mounting support shall be nonflammable and fireproof. • Make sure that the support surface is solid enough to bear the product weight load. • Do not install the product on the support with poor sound insulation to avoid the noise generated by the working product, which may annoy the residents nearby.

  • Page 12: Electrical Wiring Connection

    Installation Instructions User Manual V1.2-2022-03-30 The inverters can be locked for anti-theft purposes if this is necessary for individual requirements. 1.2~2N·m The lock is not included in the package and can be purchased by the user. 2.4 Electrical Wiring Connection 2.4.1 PE Cable Connection L=L1+(1~2)mm 1.2~2N·m...

  • Page 13: Pv Wiring Connection

    Make sure the battery is under normal working condition (such as battery voltage and BMS setting etc.) when the inverter and battery is to be used. If you need to use the hybrid inverter as a Grid-tied inverter, please contact GoodWe after-sales.
  • Page 14 Installation Instructions User Manual V1.2-2022-03-30 Make sure that the battery switch is off and that the nominal battery voltage meets ET series or ET Plus series specifications before connecting the battery to the inverter. Make sure the inverter is totally isolated from both PV and AC power. Please strictly follow the requirements and steps listed below.

  • Page 15: On-Grid&Back-Up Connection

    Installation Instructions User Manual V1.2-2022-03-30 2.4.4 On-Grid&Back-up Connection An external AC breaker is needed for on-grid connection to isolate the inverter from the utility grid when necessary. Note: Backup function is optional for the German market, even though the hardware connector is always there.
  • Page 16 Installation Instructions User Manual V1.2-2022-03-30 Place the AC cable through the terminal cover as shown in the figure. Note: Please use the terminals in the accessory box. Screw Cap The Insulator Single Hole AC Sheet Cover Cables Seal Ring Press the connectors tightly on the cable conductor core. Note: Make sure the cable jacket is not locked within the connector.
  • Page 17 • Capacitive Loads: A total power ≤ 0.6 × nominal power of the model. (Any load with high startup current is not acceptable.) • For complicated applications, please contact the GoodWe Solar Academy. Note: For convenient maintenance, please install a SP 3T switch on both the backup and on-grid sides. Then it is adjustable to support load by backup or by grid or default settings.

  • Page 18: Communication Connections

    ET inverter via RS485 communications, and limit the power exportation. GM3000 or SEC1000S are suggested. For more detailed information of the Smart Meter, refer to the Smart Meter user manual in https://en.goodwe.com. Note: 1. The Smart Meter with CT is already configured ; please do not change any settings on the Smart Meter.

  • Page 19: Bms Connection

    Installation Instructions User Manual V1.2-2022-03-30 For GW5KL-ET, GW6KL-ET, GW8KL-ET, GW10KL-ET, GW5K-ET, GW6.5K-ET, GW8K-ET, GW10K-ET. Position Color Smart Meter Orange&white 485_A2 485_A Orange 485_B Green&white 485_B2 485_B1 485_A Blue CAN_H Blue&white CAN_L Green 485_A1 485_B Brown&white 485_B1 Brown 485_A1 For GW5KN-ET, GW6.5KN-ET, GW8KN-ET, GW10KN-ET. Position Color Smart Meter...

  • Page 20: Com Terminal Connection

    Installation Instructions User Manual V1.2-2022-03-30 ETR models, the net cable should be prepared by the customer and should be no longer than Connection steps 1. Confirm that the battery and inverter power cables are connected (refer to 2.4.2 Battery Wiring Connections). 2.
  • Page 21 Installation Instructions User Manual V1.2-2022-03-30 For GW5K-ET, GW6.5K-ET, GW8K-ET, GW10K-ET, GW5KL-ET, GW6KL-ET, GW8KL-ET, GW10KL-ET, assemble the communication module and plug it into the communication terminal directly if you are not going to use the communication functions. Prepare the communication cable and remove the plug of the communication terminal.
  • Page 22 Installation Instructions User Manual V1.2-2022-03-30 Remove the resistor, then insert the communication cable into pin 3, 4, 5, 6, 7, and 8 to realize the DRED or RCR function. Keep the resistor by default if DRED or RCR function is not to be used. 30N·m (PIN 7 REF_1)
  • Page 23 18 to realize the dry contact relay function. 30N·m Assemble the communication module and plug it into the communication terminal. ET Series Screw this plate off from inverter. Note: DRED device should be connected through "DRED port" as the figure shows.

  • Page 24: Earth Fault Alarm Connection

    Master to get more information. 2.6 Earth Fault Alarm Connection ET series and ET Plus series inverters comply with IEC 62109-2 13.9. The fault indicator LED on the inverter cover will light up and the system will email the fault information to customer. It...
  • Page 25 Installation Instructions User Manual V1.2-2022-03-30 Wiring system for the ET series and ET Plus series hybrid inverter Note: This diagram indicates the wiring structure of the ET series and ET Plus series hybrid inverter, not the electric wiring standard. To Battery...
  • Page 26 Installation Instructions User Manual V1.2-2022-03-30 If the inverter is not equipped with a DC switch, an external DC breaker shall be added. The external DC breaker shall be AU/NZ certified; Complied to AS60947.3:2018; Be classified as DC-PV 2; With ratings and properties suitable for the intended application conditions such as outdoor, exposed to sunshine, on non-combustible material surface.
  • Page 27 Installation Instructions User Manual V1.2-2022-03-30 When the inverter is working in backup mode, neutral and PE on the backup side are connected via the internal relay. Also, this internal relay will be open when the inverter is working in grid-tied mode. Distribution box Backup Loads...

  • Page 28: Manual Operation

    User Manual V1.2-2022-03-30 MANUAL OPERATION 03 MANUAL OPERATION 3.1 Wi-Fi Configuration This part shows the configuration using a web page. Wi-Fi configuration is absolutely necessary for online monitoring and maintenance. Preparation: 1. The inverter must be powered up with battery or grid power. 2.

  • Page 29: Pv Master

    Operation steps are the same for Android system and iOS system although the two interfaces are slightly different. For more detailed opertaion instructions, please refer to PV Master user manual in www.goodwe.com. PV Master App Note: For Australian customers please select from Australia Region A/B/C to comply with AS/NZS 4777.2:2020.

  • Page 30: Load Control

    User Manual V1.2-2022-03-30 MANUAL OPERATION Log in using the initial password for the first time and change the password as soon as possible. To ensure account security, you are advised to change the password periodically and keep the new password in mind. Steps to connect the WiFi: Step 1: PV Master →Connect Device→Inverter with WiFi Step 2: Phone Settings→WLAN→Solar-WiFi********...
  • Page 31 MANUAL OPERATION User Manual V1.2-2022-03-30 • Select Power Switch Mode and tap OFF. Once the inverter receives OFF command, the contactor will be disconnected and loads be powered off. AC Breaker DO port Contactor DO Relay Inverter Power Switch Mode -OFF (Three-Phase Load) Load Time Mode...
  • Page 32 User Manual V1.2-2022-03-30 MANUAL OPERATION Note: • The intelligent mode cannot be set when the inverter is working in off-grid mode. • Switch off Export Power Limit before setting intelligent mode. • Load consumption time means the shortest load working time after the loads been turned on. The time is set to prevent the loads be turned on and off frequently when the PV power fluctuates greatly.

  • Page 33: Battery Ready And Force Charge To Battery

    MANUAL OPERATION User Manual V1.2-2022-03-30 AC Breaker DO port SOC＜60% Contactor DO Relay Inverter BACKUP Load Control-OFF (Three-Phase Load) Load 3.2.3 Battery Ready and Force Charge to Battery Battery Ready(ETR) Battery Ready function is a fee-based function, which is off by default. Contact the after-sales service to pay for the function and obtain the series number.

  • Page 34: Cei Auto-Test Function

    User Manual V1.2-2022-03-30 MANUAL OPERATION Force Charge to Battery Tap Advanced Setting→Battery Setting →Force Charge to Battery→SOC(discontinue)→Save to set the SOC and start force charge to battery function. After starting the force battery to charge function, the power of the system gives priority to charging the battery until the preset SOC is reached.

  • Page 35: Others

    OTHERS User Manual V1.2-2022-03-30 04 OTHERS 4.1 Error Messages The error messages below will be displayed on PV Master App or reported by e-mail if an error occurs. ERROR EXPLANATION REASON SOLUTIONS MESSAGE Utility Phase The sequence of The inverter has The L2 and L3 cables are connected Failure the on-grid wire is...
  • Page 36 User Manual V1.2-2022-03-30 OTHERS PV/BAT The PV or BAT The total voltage 1. Check if the PV string Voc is lower Overvoltage voltage is too (open-circuit than the Max PV input voltage of the high voltage) of each inverter. If the Voc of the PV string is PV string high, please decrease the number of is higher than...

  • Page 37: Troubleshooting

    OTHERS User Manual V1.2-2022-03-30 Neutral & ground Check (use multi-meter) if there is cables are not high voltage (normally should be connected well on lower than 10V) between N & PE Relay Check Self checking of AC side or just an cable on the AC side.
  • Page 38 User Manual V1.2-2022-03-30 OTHERS Grid House Click Loads Figure 4.2-1 Figure 4.2-2 Figure 4.2-3 Figure 4.2-4 Checks At Startup And Turning On AC Power Battery settings, BMS communication and safety country setting: After connecting the Solar-Wi-Fi* (*The Wi-Fi signal is named as the last 8 characters of the inverter's serial number.).
  • Page 39 OTHERS User Manual V1.2-2022-03-30 2. Make sure the load power is greater than 150W. a. The battery will not discharge continuously unless the load power is greater than 150W. b. If the battery does not discharge when the Meter power is greater than 150W, please check the Smart Meter &...
  • Page 40 User Manual V1.2-2022-03-30 OTHERS mode or when the grid power is disconnected, the "Off-Grid Output Switch" function must be turned on as well. Note: When turning the "Off-Grid Output Switch" on, do not restart the inverter or battery. Otherwise, the function will be switched off automatically.

  • Page 41: Disclaimer

    A: AFDPF(Active Frequency Drift with Positive Feedback) + AQDPF(Active Q Drift with Positive Feedback) 4.3 Disclaimer The ET series and ET Plus series inverters are transported, used and operated under environmental and electrical conditions. The manufacturer has the right to not provide after- sales services or assistance under the following conditions: •...
  • Page 42 • Any incompatible batteries, loads or other devices are connected to the ET system. • Specifications are subject to change without notice. Every effort has been made to make this document complete, accurate and up-to-date. However, GoodWe may need to make some improvements under certain circumstances without advance notice. GoodWe shall not be responsible for any loss caused by this document including, but not limited omissions errors,typographical errors, arithmetical errors or listing errors in this document.

  • Page 43: Technical Parameters

    OTHERS User Manual V1.2-2022-03-30 4.4 Technical Parameters Technical Data GW5KL-ET GW6KL-ET GW8KL-ET GW10KL-ET Battery Input Data Battery Type Li-Ion Nominal battery voltage (V) Battery Voltage Range (V) 180~600 Max. Charging Current (A) Max. Discharging Current (A) Max charge power (W) 7500 7800 9600...
  • Page 44 User Manual V1.2-2022-03-30 OTHERS Output Voltage Range (V) 0~300 Nominal Output Freqency (Hz) 50/60 AC Grid Frequency Range (Hz) 45~65 Nominal Output Current (A) 12.0 14.5 Max. AC Current Output to Utility Grid 10.5 13.5 16.5 Max. AC Current From Utility Grid (A) 15.2 18.2 22.7...
  • Page 45 OTHERS User Manual V1.2-2022-03-30 Protection DC Insulation Resistance Detection Integrated Residual Current Monitoring Unit Integrated Anti-islanding Protection AFDPF + AQDPF DC Reverse Polarity Protection Integrated AC Overcurrent Protection Integrated AC Short Circuit Protection Integrated AC Overvoltage Protection Integrated DC Surge Arrester Type III AC Surge Arrester Type III...
  • Page 46 User Manual V1.2-2022-03-30 OTHERS Storage environments(℃) -40~+85 Pollution Degree Overvoltage Category DCII / AC III Battery: C PV: C The Decisive Voltage Class (DVC) AC: C Com: A Mounting method Wall Bracket Type of electrical supply system Three phase Grid Certifications &...
  • Page 47 OTHERS User Manual V1.2-2022-03-30 Technical Data GW5K-ET GW6.5K-ET GW8K-ET GW10K-ET Battery Input Data Battery Type Li-Ion Nominal battery voltage (V) Battery Voltage Range (V) 180~600 Max. Charging Current (A) Max. Discharging Current (A) Max charge power (W) 7500 8450 9600 10000 Max discharge power (W) 7500...
  • Page 48 User Manual V1.2-2022-03-30 OTHERS Output Voltage Range (V) 0~300 Nominal Output Freqency (Hz) 50/60 AC Grid Frequency Range (Hz) 45~65 Nominal Output Current (A) 12.0 14.5 Max. AC Current Output to Utility Grid 10.8 13.5 16.5 Max. AC Current From Utility Grid (A) 15.2 19.7 22.7...
  • Page 49 OTHERS User Manual V1.2-2022-03-30 Protection DC Insulation Resistance Detection Integrated Residual Current Monitoring Unit Integrated Anti-islanding Protection AFDPF + AQDPF DC Reverse Polarity Protection Integrated AC Overcurrent Protection Integrated AC Short Circuit Protection Integrated AC Overvoltage Protection Integrated DC Surge Arrester Type II AC Surge Arrester Type III...
  • Page 50 User Manual V1.2-2022-03-30 OTHERS Environmental Category 4K4H Storage environments(℃) -40~+85 Pollution Degree Overvoltage Category DCII / AC III Battery: C PV: C The Decisive Voltage Class (DVC) AC: C com: A Mounting method Wall Bracket Type of electrical supply system Three phase Grid Certifications &...
  • Page 51 OTHERS User Manual V1.2-2022-03-30 Technical Data GW5KN-ET GW6.5KN-ET GW8KN-ET GW10KN-ET Battery Input Data Battery Type Li-Ion Nominal battery voltage (V) Battery Voltage Range (V) 180~600 Max. Charging Current (A) Max. Discharging Current (A) Max charge power (W) 7500 8450 9600 10000 Max discharge power (W) 7500...
  • Page 52 User Manual V1.2-2022-03-30 OTHERS Nominal Output Voltage (V) 400/380, 3L/N/PE Output Voltage Range (V) 0~300 Nominal Output Freqency (Hz) 50/60 AC Grid Frequency Range (Hz) 45~65 Nominal Output Current (A) 12.0 14.5 Max. AC Current Output to Utility 10.8 13.5 16.5 Grid (A) Max.
  • Page 53 OTHERS User Manual V1.2-2022-03-30 Efficiency Max. Efficiency 98.00% 98.20% Max. Battery to Load Efficiency 97.50% 97.50% Europe Efficiency 97.20% 97.50% Protection DC Insulation Resistance Detection Integrated Residual Current Monitoring Unit Integrated Anti-islanding Protection AFDPF + AQDPF DC Reverse Polarity Protection Integrated AC Overcurrent Protection Integrated...
  • Page 54 User Manual V1.2-2022-03-30 OTHERS DC Connector MC4(4~6mm AC Connector Feed-Through Terminal Blocks UW10 Protective class Environmental Category 4K4H Storage environments(℃) -40~+85 Pollution Degree Overvoltage Category DCII / AC III Battery: C PV: C The Decisive Voltage Class (DVC) AC: C com: A Mounting method Wall Bracket...

  • Page 55: Quick Checklist To Avoid Dangerous Conditions

    OTHERS User Manual V1.2-2022-03-30 4.5 Quick Checklist To Avoid Dangerous Conditions 1. The inverter must not be installed near flammable or explosive materials or near equipment with strong electromagnetic fields. Please refer to page 6. 2. Remember that this inverter is heavy! Please be careful when lifting from the package. Please refer to page 7.

  • Page 56: Appendix

    User Manual V1.2-2022-03-30 APPENDIX Appendix Protection category definition Moisture location category definition Level Moisture Parameters 4K4H 0~+40°C -33~+40°C ~20~+55°C Temperature Range 5%~85% 15%~100% 4%~100% Moisture Parameters Environment category definition Environment Condition Ambient Temperature Relative Humidity Applied to -20~50°C 4%~100% Outdoor -20~50°C 5%~95% Indoor Unconditioned...
  • Page 57 APPENDIX User Manual V1.2-2022-03-30 Pollution degree definition No pollution or only dry, non-conductive polllution occurs. The Pollution Degree I pollution has no influence. Normally only non-conductive pollution occurs. Occasionally, however, Pollution Degree II a temporary conductivity caused by condensation must be expected. Conductive pollution occurs, or dry.
  • Page 58 Official Website GoodWe Technologies Co., Ltd. No. 90 Zijin Rd., New District, Suzhou, 215011, China www.goodwe.com service@goodwe.com Local Contacts...

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