Goodwe MS Series User Manual
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Goodwe MS Series User Manual

Grid-tied pv inverter
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User Manual
Grid-Tied PV Inverter
MS Series
5.0-11.4kW G3(US)
V1.0-2022-08-20

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Summary of Contents for Goodwe MS Series

  • Page 1 User Manual Grid-Tied PV Inverter MS Series 5.0-11.4kW G3(US) V1.0-2022-08-20...
  • Page 2 Copyright ©GoodWe Technologies Co., Ltd., 2022. All rights reserved No part of this manual can be reproduced or transmitted to the public platform in any form or by any means without the prior written authorization of GoodWe Technologies Co., Ltd. Trademarks and other GOODWE trademarks are trademarks of GoodWe Technologies Co.,Ltd.

  • Page 3: Table Of Contents

    CONTENT User Manual V1.0-2022-08-20 CONTENT 1 About This Manual ............1 1.1 Applicable Model ..................1 1.2 Target Audience ..................1 1.3 Symbol Definition ..................2 1.4 Updates ...................... 2 2 IMPORTANT SAFETY INSTRUCTIONS ........3 2.1 General Safety ................... 3 2.2 DC Side: ...................... 3 2.3 AC Side .......................
  • Page 4 CONTENT User Manual V1.0-2022-08-20 6 Electrical Connection ............ 18 6.1 Safety Precaution ..................18 6.2 Preparations before Installation ............. 19 6.2.1 Terminal Introduction ..................19 6.2.1 Cable Specification ..................19 6.3 Opening the wiring cover ............... 21 6.3 Connecting the PV Input Cable ............... 21 6.4 Connecting the AC Output Cable ............

  • Page 5: About This Manual

    All the installers and users have to be familiar with the product features, functions, and safety precautions. This manual is subject to update without notice. For more product details and latest documents, visit https://en.goodwe.com. 1.1 Applicable Model This manual applies to the listed inverters below (MS G3 for short):...

  • Page 6: Symbol Definition

    01 Disclaimer User Manual V1.0-2022-08-20 1.3 Symbol Definition Different levels of warning messages in this manual are defined as follows: DANGER Indicates a high-level hazard that, if not avoided, will result in death or serious injury. WARNING Indicates a medium-level hazard that, if not avoided, could result in death or serious injury. CAUTION Indicates a low-level hazard that, if not avoided, could result in minor or moderate injury.

  • Page 7: Important Safety Instructions

    • Strictly follow the installation, operation, and configuration instructions in this manual. The manufacturer shall not be liable for equipment damage or personal injury if you do not follow the instructions. For more warranty details, please visit https://en.goodwe.com/ warranty. 2.2 DC Side: DANGER Connect the DC cables using the delivered PV connectors.

  • Page 8: Ac Side

    02 Safety Precaution User Manual V1.0-2022-08-20 2.3 AC Side WARNING • The voltage and frequency at the connection point meet the inverter grid connection requirements • Additional protective devices like circuit breakers or fuses are recommended on the AC side. Specification of the protective device should be at least 1.25 times the rated AC output rated current.

  • Page 9: Personal Requirements

    02 Safety Precaution User Manual V1.0-2022-08-20 2.5 Personal Requirements NOTICE • Personnel who install or maintain the equipment must be strictly trained, learn about safety precautions and correct operations. • Only qualified professionals or trained personnel are allowed to install, operate, maintain, and replace the equipment or parts.

  • Page 10: Product Introduction

    03 Product Introduction User Manual V1.0-2022-08-20 3 Product Introduction 3.1 Application Scenarios The MS G3 inverter is a single-phase PV string grid-tied inverter, which converts the DC power generated by the PV module into AC power for loads or the grid. The intended use of the inverter is as follows: Meter Circuit...

  • Page 11: Supported Grid Types

    03 Product Introduction User Manual V1.0-2022-08-20 3.3 Supported Grid Types The inverter supports 240V/120V Split Phase AC Grid, 240V/120V Stinger AC Grid, 240V Delta AC Grid, 208V/120V WYE AC Grid and 208V Delta AC Grid. 240V/120V Split Phase AC Grid 240V/120V Stinger AC Grid 240V Delta AC Grid 208V/120V WYE AC Grid...

  • Page 12: Inverter Operation Mode

    03 Product Introduction User Manual V1.0-2022-08-20 3.4 Inverter Operation Mode Faulty mode Waiting mode Burning Mode Grid-Tied mode Self-check mode Parts Description Waiting Waiting stage after the inverter is powered on. mode • When the conditions are met, it enters the self-check mode. •...

  • Page 13: Functionality

    03 Product Introduction User Manual V1.0-2022-08-20 3.5 Functionality Ezlink The inverter has a built-in Ezlink module supporting IEEE2030.5 communication protocol. It supports setting the inverter via Bluetooth in a short distance; connecting to the server via 4G, WiFi or LAN to monitor the inverter and power plant operation, etc. •...

  • Page 14: Dimensions

    03 Product Introduction User Manual V1.0-2022-08-20 Parts Description Mounting Plate Used to install the inverter. Heat sink Used to cool the inverter. Inverter fixing part Used to fix the inverter. 3.6.2 Dimensions 3.6.3 Indicators Indicator Status Description ON = Equipment Power On OFF = Equipment Power Off ON = The Inverter Is Feeding Power OFF = The inverter is not feeding power...

  • Page 15: Nameplate

    03 Product Introduction User Manual V1.0-2022-08-20 3.6.4 Nameplate The nameplate is for reference only. GW trademark, product type, and product model Technical parameters Safety symbols and certification marks Contact information and serial number...

  • Page 16: Check And Storage

    04 Check and Storage User Manual V1.0-2022-08-20 4 Check and Storage 4.1 Check Before Receiving Check the following items before receiving the product. 1. Check the outer packing box for damage, such as holes, cracks, deformation, and other signs of equipment damage. Do not unpack the package and contact the supplier as soon as possible if any damage is found.

  • Page 17: Storage

    04 Check and Storage User Manual V1.0-2022-08-20 4.3 Storage If the equipment is not to be installed or used immediately, please ensure that the storage environment meets the following requirements: 1. Do not unpack the outer package or throw the desiccant away. 2.

  • Page 18: Installation

    05 Installation User Manual V1.0-2022-08-20 5 Installation 5.1 Installation Requirements Installation Environment Requirements 1. Do not install the equipment in a place near flammable, explosive, or corrosive materials. 2. Install the equipment on a surface that is solid enough to bear the inverter weight. 3.
  • Page 19 User Manual V1.0-2022-08-20 05 Installation 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 20 05 Installation User Manual V1.0-2022-08-20 Installation Tool Requirements The following tools are recommended when installing the equipment. Use other auxiliary tools on site if necessary. DC wiring Goggles Safety shoes Safety gloves Dust mask wrench Vacuum Diagonal pliers Wire stripper Hammer drill Heat gun cleaner...

  • Page 21: Inverter Installation

    User Manual V1.0-2022-08-20 05 Installation 5.2 Inverter Installation 5.2.1 Moving the Inverter CAUTION • Operations such as transportation, turnover, installation and so on must meet the requirements of the laws and regulations of the country or region where it is located. •...

  • Page 22: Electrical Connection

    05 Installation User Manual V1.0-2022-08-20 6 Electrical Connection 6.1 Safety Precaution DANGER INSTRUCTIONS PERTAINING TO A RISK OF FIRE OR ELECTRIC SHOCK • All operations, cables and parts specification during the electrical connection shall be in compliance with local laws and regulations. •...

  • Page 23: Preparations Before Installation

    User Manual V1.0-2022-08-20 06 Electrical Connection 6.2 Preparations before Installation 6.2.1 Terminal Introduction WARNING • The conduit needs to be provided by the user, and the specification of the conduit used shall match the specification of the waterproof plug. • It is recommended to use 1 inch cable gland for routing. The diameter for the routing hole on the bottom of the inverter is 34mm (1.34 in).
  • Page 24 06 Electrical Connection User Manual V1.0-2022-08-20 Port Screen print Recommended Cable Diameter PV1+ PV1- PV2+ PV2- Used to connect the PV module DC input cables PV input terminal • The recommended cables are: copper wire, PV3+ PV3- (only temperature 90℃ (194°F), 12AWG applicable GW9600- MS-US30 and GW11K4-MS-US30)

  • Page 25: Opening The Wiring Cover

    User Manual V1.0-2022-08-20 06 Electrical Connection 6.3 Opening the wiring cover NOTICE • The wrench for opening the inverter lower case cover is distributed with the inverter. After removing the inverter lower case cover, please keep the wrench and fastening screws properly for later use.

  • Page 26: Connecting The Ac Output Cable

    06 Electrical Connection User Manual V1.0-2022-08-20 Step 1 Make the DC output cable. Step 2 Disassemble the DC routing hole’s end cap. Step 3 Use the cable gland for routing wires. Step 4 Connect the DC terminals to the inverters. 20mm(0.79in) 20mm(0.79in) 6.4 Connecting the AC Output Cable...
  • Page 27 User Manual V1.0-2022-08-20 06 Electrical Connection Inverter model AC circuit breaker GW5000-MS-US30 GW6000-MS-US30 GW7600-MS-US30 GW9600-MS-US30 GW11K4-MS-US30 A type A RCD(Residual Current Device) shall be added to protect the equipment when the DC component of the leakage current exceeds limits. Recommended RCD specifications: Model RCD specifications GW5000-MS-US30...
  • Page 28 06 Electrical Connection User Manual V1.0-2022-08-20 28mm(1.10in) 28mm(1.10in) 28mm(1.10in)

  • Page 29: Communication

    User Manual V1.0-2022-08-20 06 Electrical Connection 6.5 Communication 6.5.1 Communication Network Introduction Power Limit Network The PV station generates power for self-consumption, but the electric equipment cannot consume all the generated power. The inverter can monitor the on-grid electric data in real-time and adjust the output power via a smart meter to avoid the residual current feeding back to the utility grid.
  • Page 30 06 Electrical Connection User Manual V1.0-2022-08-20 Load Monitoring Network With GMK120, the inverter output data and on-grid data can be accurately measured to calculate the load electricity consumption. The operating data will be uploaded to the Cloud via WiFi or Ezlink communication to realize 24 hours real-time load electricity consumption monitoring.

  • Page 31: Connecting The Communication Cable

    User Manual V1.0-2022-08-20 06 Electrical Connection 6.5.2 Connecting the Communication Cable NOTICE Make sure that the communication device is connected to the right terminal. Route the communication cable far away from any interference source or power cable to prevent the signal from being influenced.

  • Page 32: Installing The Wifi Module (Optional)

    6.5.3 Installing the WiFi Module (optional) NOTICE Refer to the delivered WiFi module user manual to get more introduction to the module. For more detailed information, visit https://en.goodwe.com. 6.5.4 Connecting the antenna(optional) NOTICE • When an Ezlink is used for device communication, an antenna needs to be installed.

  • Page 33: Equipment Commissioning

    07 Equipment Commissioning User Manual V1.0-2022-08-20 7 Equipment Commissioning 7.1 Check Before Power ON Check Item The product is firmly installed at a clean place that is well-ventilated and easy to operate. The PE, DC input, AC output, and communication cables are connected correctly and securely.

  • Page 34: System Commissioning

    08 System Commissioning User Manual V1.0-2022-08-20 8 System Commissioning 8.1 Indicators and Buttons Indicator Status Description ON = Equipment Power On OFF = Equipment Power Off ON = The Inverter Is Feeding Power OFF = The inverter is not feeding power Single slow flash = Self check before connecting to the grid Single flash = Connecting to the grid ON = Wireless is connected/active...

  • Page 35: Upgrading The Firmware Via Usb Flash Disk

    1. Check the operating data, software version, alarms, etc. 2. Set grid parameters, communication parameters, etc. 3. Equipment maintenance. For more details, refer to the SolarGo APP User Manual. Scan the QR code or visit https:// en.goodwe.com/Ftp/EN/Downloads/User%20Manual/GW_SolarGo_User%20Manual-EN.pdf get the user manual. SolarGo App SolarGo App User Manual 8.4 Monitoring via SEMS Portal...

  • Page 36: Maintenance

    09 Maintenance User Manual V1.0-2022-08-20 9 Maintenance 9.1 Power Off the Inverter DANGER INSTRUCTIONS PERTAINING TO A RISK OF FIRE OR ELECTRIC SHOCK • Power off the inverter before operations and maintenance. Otherwise, the inverter may be damaged or electric shocks may occur. •...
  • Page 37 09 Maintenance User Manual V1.0-2022-08-20 Fault Cause Solutions 1. Utility grid power fails. 1. The alarm is automatically cleared after 2. The AC cable is the grid power supply is restored. Utility Loss disconnected, or 2. Check whether the AC cable is connected the AC breaker is and the AC breaker is on.
  • Page 38 09 Maintenance User Manual V1.0-2022-08-20 Fault Cause Solutions 1. If the problem occurs occasionally, the utility grid may be abnormal temporarily. The inverter will recover automatically after detecting that the utility grid is normal. 2. If the problem occurs frequently, check The grid voltage whether the grid voltage is within the is lower than...
  • Page 39 09 Maintenance User Manual V1.0-2022-08-20 Fault Cause Solutions 1. If the problem occurs occasionally, the utility grid may be abnormal temporarily. The inverter will recover automatically after detecting that the utility grid is normal. Utility grid 2. If the problem occurs frequently, check exception.
  • Page 40 09 Maintenance User Manual V1.0-2022-08-20 Fault Cause Solutions The utility grid is disconnected. The utility grid 1. Check whether the utility grid is is disconnected disconnected. Anti-islanding according to the 2. Contact the dealer or the after-sales safety regulations, service. but the grid voltage is maintained due to the loads.
  • Page 41 09 Maintenance User Manual V1.0-2022-08-20 Fault Cause Solutions 1. The PV string is short-circuited 1. Check whether the resistance of the PV to PE. string to PE exceeds 50kΩ. If no, check the 2. The PV system short circuit point. Low Insulation is in a moist 2.
  • Page 42 09 Maintenance User Manual V1.0-2022-08-20 Fault Cause Solutions Disconnect the AC output switch and DC input The sampling of GFCI HCT Check switch, then connect them 5 minutes later. the GFCI HCT is abnormal Contact the dealer or the after-sales service if abnormal.
  • Page 43 09 Maintenance User Manual V1.0-2022-08-20 Fault Cause Solutions 1. The PV voltage is too high. Disconnect the AC output switch and DC input 2. The sampling switch, then connect them 5 minutes later. BUS Overvoltage of the inverter Contact the dealer or the after-sales service if BUS voltage is the problem persists.

  • Page 44: Routine Maintenance

    09 Maintenance User Manual V1.0-2022-08-20 9.5 Routine Maintenance WARNING • Make sure that the inverter is powered off. • Wear proper PPE before any operations. Maintaining Item Maintaining Method Maintaining Period Check the heat sink, air intake, and air System Clean Once 6-12 months outlet for foreign matter or dust.

  • Page 45: Technical Parameters

    10 Technical Parameters User Manual V1.0-2022-08-20 10 Technical Parameters Technical Data GW5000-MS-US30 GW6000-MS-US30 GW7600-MS-US30 Input Max.Input Power (W) 8,000 9,600 12,160 Max.Input Voltage (V) MPPT Operating Voltage Range (V) 65~550 65~550 65~550 MPPT Voltage Range at Nominal 165-500 198-500 250-500 Power (V) (at 240V) MPPT Voltage Range at Nominal 143-500...
  • Page 46 10 Technical Parameters User Manual V1.0-2022-08-20 Output Voltage Range (V)(at 208V) 183~229 183~229 183~229 (according to local standard) Nominal AC Grid Frequency (Hz) AC Grid Frequency Range (Hz) 58~62 58~62 58~62 Max. Output Current (A) 20.8 25.0 31.7 Max. Output Fault Current (Peak and Duration) (A/ms)(at 20us) Inrush Current (Peak and Duration) (A/us)(at 20us)
  • Page 47 10 Technical Parameters User Manual V1.0-2022-08-20 Cooling Method Natural Convection Display LED, WLAN+APP Communication RS485,WiFi or Bluetooth or 4G or LAN(Optional) Communication Protocols Modbus-RTU(SunSpec Compliant) Weight (Ib) 51.8 (23.0kg) Dimension (W×H×D in) 19.2×26.4×7.8(487×670×199mm) Noise Emission (dB) <25 Topology Non-isolated Self-consumption at Night (W) <5 Ingress Protection Rating Type 4X (IP66)
  • Page 48 10 Technical Parameters User Manual V1.0-2022-08-20 Number of Strings per MPPT Output Nominal Output Power (W) 9,600 11,400 (at 240V) Nominal Output Power (W) 8,320 9,880 (at 208V) Nominal Output Apparent Power (VA)(at 9,600 11,400 240V) Nominal Output Apparent Power (VA)(at 8,320 9,880 208V)
  • Page 49 10 Technical Parameters User Manual V1.0-2022-08-20 Residual Current Monitoring Integrated PV Reverse Polarity Protection Integrated Anti-islanding Protection Integrated AC Overcurrent Protection Integrated AC Short Circuit Protection Integrated AC Overvoltage Protection Integrated DC Switch Integrated DC Surge Protection Type III (Type II Optional) AC Surge Protection Type III (Type II Optional) AFCI...

  • Page 50: Appendix

    11 Appendix User Manual V1.0-2022-08-20 11 Appendix 11.1 Precision of inverter parameters For parameter, which used in grid support and protection function, adjustable requirement of CA Rule 21, HECO 14H and IEEE1547, the relevant explanations and setting methods can obtain by reading, <Parameter Adjustable Method Of Grid Support Utility Interactive Inverter>, the document can be obtained by contacting the after-sales.
  • Page 51 Official Website GoodWe Technologies Co.,Ltd. No. 90 Zijin Rd., New District, Suzhou, 215011, China www.goodwe.com service@goodwe.com Contact Information...

This manual is also suitable for:

Gw5000-ms-us30Gw6000-ms-us30Gw7600-ms-us30Gw9600-ms-us30Gw11k4-ms-us30

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