Goodwe SMT Series User Manual
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Goodwe SMT Series User Manual

Goodwe SMT Series User Manual

Grid-tied pv inverter
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User Manual
Grid-Tied PV Inverter
SMT Series
(22-60kW) US
V1.1-2023-12-25

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Summary of Contents for Goodwe SMT Series

  • Page 1 User Manual Grid-Tied PV Inverter SMT Series (22-60kW) US V1.1-2023-12-25...
  • Page 2 GoodWe Technologies Co., Ltd. Trademarks and other GoodWe trademarks are trademarks of GoodWe Company. All other trademarks or registered trademarks mentioned in this manual are owned by GoodWe Technologies Co., Ltd. Notice The information in this user manual is subject to change due to product updates or other reasons.

  • Page 3: Table Of Contents

    Content User Manual V1.1-2023-12-25 CONTENT 1 About This Manual ���������������������������������������������������������������������������� 1 1.1 Applicable Model ........................1 1.2 Target Audience ........................1 1.3 Symbols Definition ........................2 2 IMPORTANT SAFETY INSTRUCTIONS �������������������������������������������������� 3 2.1 General Safety ..........................3 2.2 PV String Safety ........................3 2.3 Inverter Safety ..........................4 2.4 Personnel Requirements ......................4 3 Product Introduction ������������������������������������������������������������������������...
  • Page 4 User Manual V1.1-20223-12-25 Content 6.7 Connecting the Smart Meter Communication Cable ............36 6.8 Installing a Communications Module ................... 39 6.9 Installing the USB Cable ......................39 6.10 Closing the Cover of Wiring Box ................... 40 7 Equipment Commissioning ��������������������������������������������������������������� 41 7.1 Check Before Power ON ......................

  • Page 5: About This Manual

    All the installers and users have to be familiar with the product features, functions, and safety precautions. This manual may be subject to updates without notice. For more product details and latest documents, visit www.goodwe.com. 1.1 Applicable Model This manual applies to the inverters listed below (SMT for short): •...

  • Page 6: Symbols Definition

    01 About This Manual User Manual V1.1-2023-12-25 1.3 Symbols 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. Visit https://en.goodwe.com/warranty to get more information about product warranty.

  • Page 8: Inverter Safety

    02 Safety Precaution User Manual V1.1-2023-12-25 2.3 Inverter Safety WARNING • The voltage and frequency at the connecting point should meet the on-grid 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 Max. Output Current.

  • Page 9: Product Introduction

    • 22K: the rated power is 22kW • 28K: the rated power is 28kW • 50K: the rated power is 50kW • 60K: the rated power is 60kW Grid Type LV: 208/220/240 V Grid Series SMT: SMT Series Area Code US: North America...

  • Page 10: Application Scenarios

    Inverter SMT series inverters. AC breaker It is recommended to use three phase AC breaker which conforms to local regulations. Its specifications should be greater than 1.25 times the rated AC output current of the inverter.
  • Page 11 Inverter SMT series inverters. AC breaker It is recommended to use three phase AC breaker which conforms to local regulations. Its specifications should be greater than 1.25 times the rated AC output current of the inverter.
  • Page 12 03 Product Introduction User Manual V1.1-2023-12-25 Circuit Diagram GW22KLV-SMT-US: n=6;GW28KLV-SMT-US: n=8; GW50K-SMT-US:n=10; GW60K-SMT-US:n=12.
  • Page 13 User Manual V1.1-2023-12-25 03 Product Introduction Supported Grid Types SMT series GW50K-SMT-US, and GW60K-SMT-US support two different types of grid. 480V 3 phase 4-wire Wye (480Y/277V) Phase A 480V 480V 277V Phase B 277V 480V Neutral 277V Phase C 480V 3 phase 3-wire (480Δ)
  • Page 14 03 Product Introduction User Manual V1.1-2023-12-25 SMT series GW22KLV-SMT-US, and GW28KLV-SMT-US support the following types of grid. 208V 3 phase 4-wire Wye (208Y/V) 208V 3 phase 3-wire (208Δ) Phase A Phase A 120V 208V Phase B 208V 208V 120V 208V...

  • Page 15: Inverter Operation Mode

    User Manual V1.1-2023-12-25 03 Product Introduction 3.3 Inverter operation mode Self-check mode Waiting mode Fault mode Grid-tied mode Parts Description Waiting mode Waiting stage after the inverter is powered on. • When the conditions are met, it enters the self-check mode.

  • Page 16: Functionality

    03 Product Introduction User Manual V1.1-2023-12-25 3.4 Functionality Power derating For a safe operation, the inverter will automatically reduce the output power when the operating environment is not ideal. The following are the factors that may cause power derating. Please try to avoid them during usage.
  • Page 17 User Manual V1.1-2023-12-25 03 Product Introduction RSD (Optional) Optionally, inverters with RSD function equips with a built-in signal transmitter to communicate with module-level smart controller installed on the external of the PV strings. In case of an emergency, by turning off the AC circuit breaker at the output side of the inverter, the transmitter inside of the inverter will be cut off, consequently to interrupt the current output of the PV strings.

  • Page 18: Appearance

    03 Product Introduction User Manual V1.1-2023-12-25 3.5 Appearance 3.5.1 Parts 11 13 11 13 22kW & 28kW 50kW & 60kW Parts Description LED Indicators Indicate working status of the inverter. Connection unit The compartment houses the input and output cables of the inverter. Mounting Plate Hang the inverter on the wall.

  • Page 19: Dimensions

    User Manual V1.1-2023-12-25 03 Product Introduction Parts Description DC input conduit hole 1 Conduit entry for PV strings (22kW&28kW: PV1-PV4; 50KW&60kW:PV1-PV6) DC input conduit hole 2 Conduit entry for PV strings (22kW&28kW: PV5-PV8; 50KW&60kW:PV7-PV12) Communication Module Port Used to connect WiFi or 4G modules. Communication conduit hole Communication conduit hole USB port...

  • Page 20: Indicators

    03 Product Introduction User Manual V1.1-2023-12-25 3.5.3 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 at the moment. SINGLE SLOW FLASH = Self check before connecting to the grid. SINGLE FLASH = Connecting to the grid.

  • Page 21: Nameplate

    User Manual V1.1-2023-12-25 03 Product Introduction 3.5.4 Nameplate The nameplate pictured below is for reference only. Product: Grid-Tied PV Inverter Product type, and product model Model : GW***-SMT -US Vmax PV: ****Vd .c. MPPT voltage range: ***...***Vd.c. Max. PV current: ** **Ad .c. Isc PV: ****Ad .c.

  • Page 22: Inspection And Storage

    04 Check and Storage User Manual V1.1-2023-12-25 Inspection and Storage 4.1 Inspection 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 23: Storage

    04 Check and Storage User Manual V1.1-2023-12-25 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 contents from the box or throw the desiccant away. 2.

  • Page 24: Installation

    05 Installation User Manual V1.1-2023-12-25 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. Do not install the equipment in a place that is easy to touch, especially within children’s reach. High temperature exists when the equipment is working.
  • Page 25 05 Installation User Manual V1.1-2023-12-25 Mounting Support Requirements • The mounting support shall be nonflammable and fireproof. • Install the equipment on a surface that is solid enough to bear the inverter weight. • 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 26 05 Installation User Manual V1.1-2023-12-25 Installation Tool Requirements The following tools are recommended when installing the equipment. Use other auxiliary tools on site if necessary. Safety Safety Hydraulic Safety glasses Dust mask shoes gloves crimping tool Diagonal Wire Hammer Terminal Multimeter pliers stripper...

  • Page 27: Inverter Installation

    05 Installation User Manual V1.1-2023-12-25 5.2 Inverter Installation 5.2.1 Moving the Inverter CAUTION • Transportation, moving, and installation shall meet local laws, regulations, and related requirements. • Move the inverter to the site before installation. Follow the instructions below to avoid personal injury or equipment damage.
  • Page 28 05 Installation User Manual V1.1-2023-12-25 Mounting on an equipment stand (contact your materials supplier to purchase such a rooftop stand) Mounting on strut or other racking (please prepare them by yourself)
  • Page 29 05 Installation User Manual V1.1-2023-12-25 Installing the Inverter Step 1 Support the inverter at the bottom and top with two people. Use the fold-out metallic handles for lifting and guiding the upper portion of the inverter onto the mounting bracket. Step 2 Tighten the bolts to secure the mounting plate and the inverter.

  • Page 30: Electrical Connection

    06 Electrical Connection User Manual V1.1-2023-12-25 6 Electrical Connection 6.1 Safety Precautions DANGER INSTRUCTIONS PERTAINING TO A RISK OF FIRE OR ELECTRIC SHOCK • Perform electrical connections, including operations, cables, and component specifications in compliance with local laws and regulations ANSI/NFPA 70. •...

  • Page 31: Preparations Before Wire & Cable Connections

    User Manual V1.1-2023-12-25 06 Electrical Connection 6.2 Preparations Before Wire & Cable Connections 6.2.1 Connection Unit Introduction AC output terminal PE (Gnd) Terminal DC input terminal Grounding busbar for equipment grounding Communication terminal conductor(s) (EGC) from PV array bracket(s) [1]: GW22KLV-SMT-US: 3 MPPT inputs. GW28KLV-SMT-US: 4 MPPT inputs. GW50K-SMT-US: 5 MPPT inputs.

  • Page 32: Removing The Enclosure Cover

    06 Electrical Connection User Manual V1.1-2023-12-25 6.3 Removing the Enclosure Cover Notice • Remove the enclosure cover of the electrical connection unit using the delivered Allen wrench. Retain the wrench and screws properly for future use. • If it is necessary to remove the cover on rainy and snowy days, you have to take measures to protect the compartment cavity from rain and snow.

  • Page 33: Connecting The Pe Cable

    User Manual V1.1-2023-12-25 06 Electrical Connection 6.4 Connecting the PE Cable WARNING • The PE cable connected to the enclosure of the inverter cannot replace the PE cable connected to the AC output port. Both of the two PE cables must be securely connected. •...
  • Page 34 06 Electrical Connection User Manual V1.1-2023-12-25 Notice • Install one AC circuit breaker for each inverter. Multiple inverters cannot share one AC circuit breaker. • An AC circuit breaker shall be installed on the AC side to make sure that the inverter can safely disconnect the grid when an exception happens.
  • Page 35 User Manual V1.1-2023-12-25 06 Electrical Connection 5~8N·m 3~5N·m...

  • Page 36: Connecting The Pv (Dc-Only) Input Conductors

    06 Electrical Connection User Manual V1.1-2023-12-25 6.6 Connecting the PV (DC-only) Input Conductors DANGER INSTRUCTIONS PERTAINING TO A RISK OF FIRE OR ELECTRIC SHOCK Confirm the following information before connecting the PV string to the inverter. Otherwise, the inverter may be damaged permanently or even cause fire and cause personal and property losses.
  • Page 37 User Manual V1.1-2023-12-25 06 Electrical Connection GW28KLV-SMT-US Quantity of PV MPPT1 MPPT2 MPPT3 MPPT4 String 1+ & 1- 3+ & 3- 5+ & 5- 7+ & 7- 1+ & 1- 2+ & 2- 3+ & 3- 5+ & 5- 7+ & 7- 1+ &...
  • Page 38 06 Electrical Connection User Manual V1.1-2023-12-25 Connecting PV Cable Step 1: Prepare the DC input wires. Step 2: Crimp the DC input wires. Step 3: Run the PV input wires through the conduit to the connection compartment. Step 4: Connect the wires to the terminal. Step 5: Fasten the waterproof conduit.
  • Page 39 User Manual V1.1-2023-12-25 06 Electrical Connection 1.2~1.5N·m 1.2~1.5N·m...

  • Page 40: Connecting The Smart Meter Communication Cable

    06 Electrical Connection User Manual V1.1-2023-12-25 6.7 Connecting the Smart Meter Communication Cable Notice • Connect a Smart Meter and CT’s when the Power export limit functionality or self- consumption monitoring is required. Pay attention to the CT direction when connecting the smart meter.
  • Page 41 User Manual V1.1-2023-12-25 06 Electrical Connection You can refer to GM330 quick installation guide. Scan the QR code or visit https://en.goodwe. com/Ftp/EN/Downloads/User%20Manual/GW_Smart%20Meter-US_Quick%20Installation%20 Guide-EN.pdf to get the user manual. GM330 (US) quick installation guide Notice • Make sure that the communication device is connected to the correct terminal. Route the communication cable far away from any interference source or power cable to prevent the signal from being influenced.
  • Page 42 06 Electrical Connection User Manual V1.1-2023-12-25 6mm-7mm (0.23in-0.27in) 25mm (0.98in) RS485 RS485 A RS485 B RS485 A RS485 B Meter A Meter B 0.3~0.4N·m...

  • Page 43: Installing A Communications Module

    NOTICE For more information, see the included user manual with you communication module or visit the GoodWe Products for North America webpage: https://en.goodwe.com/products?tp=5. 6.9 Installing the USB Flash Drive If instructed by After Sales Support, a firmware update can be performed via a USB flash drive.

  • Page 44: Closing The Cover Of Wiring Box

    06 Electrical Connection User Manual V1.1-2023-12-25 6.10 Closing the Cover of Wiring Box NOTICE • Check whether the wiring is correct and firm after the connection. Clean the unnecessary stuff out of the box. • Install the cover of wiring box to ensure the inverter’s waterproof function after the electrical connection.

  • Page 45: Equipment Commissioning

    07 Equipment Commissioning User Manual V1.1-2023-12-25 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 46: System Commissioning

    08 System Commissioning User Manual V1.1-2023-12-25 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 at the moment. SINGLE SLOW FLASH = Self check before connecting to the grid.

  • Page 47: Setting Inverter Parameters Via App

    2. Set grid parameters and communication parameters of the inverter. 3. Maintain the equipment. 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 8.3 Monitoring via SEMS Portal...

  • Page 48: Maintenance

    09 Maintenance User Manual V1.1-2023-12-25 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 49: Troubleshooting

    09 Maintenance User Manual V1.1-2023-12-25 9.4 Troubleshooting Perform troubleshooting according to the following methods. Contact the after-sales service if these methods do not work. Collect the information below before contacting the After-sales Service, so that the problems can be solved quickly. 1.
  • Page 50 09 Maintenance User Manual V1.1-2023-12-25 No. Fault Cause Solutions If occurs occasionaly, it may be caused a short term grid abnormity. The inverter will recover automatically after the grid is normal. If it occurs frequently, please check whether the grid voltage is within the allowed range.
  • Page 51 09 Maintenance User Manual V1.1-2023-12-25 No. Fault Cause Solutions If occurs occasionaly, it may be caused a short term grid abnormity. The inverter will recover automatically after the grid is normal. If it occurs frequently, please check whether the grid voltage is within The average value of the allowed range.
  • Page 52 09 Maintenance User Manual V1.1-2023-12-25 No. Fault Cause Solutions If occurs occasionaly, it may be caused a short term grid abnormity. The inverter will recover automatically after the grid is normal. If it occurs frequently, please check whether the grid voltage is within The frequency of the grid the allowed range.
  • Page 53 09 Maintenance User Manual V1.1-2023-12-25 No. Fault Cause Solutions Abnormal grid, and If occurs occasionaly, it may the abnormal duratin be caused a short term grid LVRT exceeds the specified abnormity. The inverter will recover Undervoltage value of local high automatically after the grid is voltage safety regulation.
  • Page 54 09 Maintenance User Manual V1.1-2023-12-25 No. Fault Cause Solutions 1. The PE cable is not 1. Please confirm if the PE cable of the connected. inverter is not connected properly. 2. When ground the PV 2. Under the scenerio of PV string Abnormal Ground.
  • Page 55 09 Maintenance User Manual V1.1-2023-12-25 No. Fault Cause Solutions AC HCT Check Abnormal sampling of abnormal AC HCT GFCI HCT Check Abnormal sampling of abnormal GFCI HCT 1. The relay is abnormal or short-circuited. 2. The control circuit is abnormal. Relay Check 3.
  • Page 56 09 Maintenance User Manual V1.1-2023-12-25 No. Fault Cause Solutions The reference circuit is 1.5V Ref abnormal abnormal. The reference circuit is 0.3V Ref abnormal abnormal. BUS Overvoltage P-BUS Overvoltage N-BUS 1. The PV voltage is too Overvoltage high. 2. The sampling of the Overvoltage(Slave Disconnect the AC output switch and inverter BUS voltage is...
  • Page 57 09 Maintenance User Manual V1.1-2023-12-25 No. Fault Cause Solutions PV voltage Low 1. If the problem occurs occasionally, the reason might be abnormal sun light. The inverter will recover automatically without Sun light is weak or manual intervention. changing abnormally. BUS voltage Low 2.

  • Page 58: Routine Maintenance

    09 Maintenance User Manual V1.1-2023-12-25 9.5 Routine Maintenance 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. Turn the DC switch on and off ten DC Switch consecutive times to make sure that it is Once a year...

  • Page 59: Technical Parameters

    10 Technical Parameters User Manual V1.1-2023-12-25 10 Technical Parameters GW22KLV-SMT- GW28KLV- GW50K- GW60K- Technical Data SMT-US SMT-US SMT-US Input Max.Input Power (kW) 39.6 50.4 Max.Input Voltage(V) 1000 1000 1000 MPPT Operating Voltage 180~950 180~950 180~980 Range (V) MPPT Voltage Range at 350~750 350~750 550~850...
  • Page 60 10 Technical Parameters User Manual V1.1-2023-12-25 GW22KLV-SMT- GW28KLV- GW50K- GW60K- Technical Data SMT-US SMT-US SMT-US 183.0~228.8 @ 208V Output Voltage Range (V) 193.6~242.0 @ 220V 422.4~528 211.2~264.0 @ 240V Nominal AC Grid Frequency (Hz) AC Grid Frequency Range 58.5~61.2 55~65 (Hz) Max.
  • Page 61 10 Technical Parameters User Manual V1.1-2023-12-25 GW22KLV-SMT- GW28KLV- GW50K- GW60K- Technical Data SMT-US SMT-US SMT-US Anti-islanding Protection Integrated Integrated AC Overcurrent Protection Integrated Integrated AC Short Circuit Protection Integrated Integrated AC Overvoltage Protection Integrated Integrated DC Switch Integrated Integrated AC Switch Integrated DC Surge Protection Type II...
  • Page 62 10 Technical Parameters User Manual V1.1-2023-12-25 GW22KLV-SMT- GW28KLV- GW50K- GW60K- Technical Data SMT-US SMT-US SMT-US 520*990*220mm 520 x 990 x 220 (mm) Dimension (W×H×D) 20.5*39.0*8.7(in) 20.5 x 39.0 x 8.7 (in) Noise Emission (dB) <65 < 65 Topology Non-isolated Non-isolated Self-consumption at Night <15 <...

  • Page 63: Appendix

    User Manual V1.1-2023-12-25 11 Appendix 11 Appendix 11.1 Inverter Parameter Accuracy 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 64 GoodWe Website GoodWe Technologies Co., Ltd. No. 90 Zijin Rd., New District, Suzhou, 215011, China www.goodwe.com Local Contacts service@goodwe.com...

This manual is also suitable for:

Gw22klv-smt-usGw28klv-smt-usGw50k-smt-usGw60k-smt-us

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