Goodwe SDT G2 Series User Manual
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Goodwe SDT G2 Series User Manual

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SDT G2 SERIES USER MANUAL
SOLAR INVERTER
V1.1
2021-08-03

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Summary of Contents for Goodwe SDT G2 Series

  • Page 1 SDT G2 SERIES USER MANUAL SOLAR INVERTER V1.1 2021-08-03...

  • Page 2: Table Of Contents

    Contents 目录 Symbols ������������������������������������������������������������������� 01 Safety Measures & Warning ��������������������������������������� 02 Product Introduction ������������������������������������������������ 04 3�1 Inverter Overview ����������������������������������������������������������������04 3�2 Dimension����������������������������������������������������������������������������07 3�3 Package �������������������������������������������������������������������������������08 Installation ��������������������������������������������������������������� 09 4�1 Mounting Instructions ����������������������������������������������������������09 4�2 Equipment Installation ��������������������������������������������������������09 4�3 Electrical Connection �����������������������������������������������������������12 4�4 Communication Connection �������������������������������������������������18 System Operation �����������������������������������������������������...

  • Page 3: Symbols

    Symbols Failure to observe a warning indicated in this manual may result in injury Recyclable materials Danger of high voltage & electric shock This side up - The package must always have the arrows point up Don't touch, hot surface! No more than six (6) identical packages be stacked on each other Special disposal instructions Fragile...

  • Page 4: Safety Measures & Warning

    Safety Measures & Warning This manual contains important instructions for SDT G2 series of inverter which must be followed during installation. The SDT G2 series inverter of Jiangsu GOODWE Power Technolgy Co., Ltd. (hereinafter referred to as GOODWE) strictly conforms to related safety rules in design and test. Safety regulation relevant to the location shall be followed during installation, commissioning, operation and maintenance.
  • Page 5 To our inverter product, GOODWE provides standard manufacture warranty which comes with the product and prepaid warranty extension solution to our customer. You can find the details about the terms and solution from below linkage.

  • Page 6: Product Introduction

    Product Introduction 3�1 Inverter Overview GW4K-DT, GW5K-DT, GW6K-DT 1. PV Input Terminal 2. The DC Switch (PVII) 3. Com Module 4. Smart Meter / RS485 5. DRED(6-Pin) 6. AC Output Terminal 7. Indicator Lights 8. LCD 9. Button GW8KAU-DT, GW10KAU-DT 1.
  • Page 7 GW8K-DT, GW10KT-DT 1. PV Input Terminal 2. DC Switch (Optional) 3. Waterproof Vent 4. Com Module 5. Smart Meter / RS485 6. DRED(6-Pin) / Remote shutdown(2-Pin) (Optional) 7. AC Output Terminal 8. Fan 9. Indicator Lights 10. LCD 11. Button GW12KT-DT, GW15KT-DT 1.
  • Page 8 Name Description PV Input Terminal For PV string connection. During normal operation it is in "on" state, it can shut down the inverter The DC Switch after it is disconnected from the grid by the AC breaker. The DC Switch(PVII) only for Australia. USB Port USB Port is used for system upgrade and configuration.

  • Page 9: 3�2 Dimension

    3�2 Dimension Dimensions of GW4K-DT, GW5K-DT, GW6K-DT: 354mm 147mm 200mm Dimensions of GW8K-DT, GW10KT-DT, GW12KT-DT, GW15KT-DT: 354mm 155mm 200mm Dimensions of GW8KAU-DT, GW10KAU-DT, GW15KAU-DT, GW20KAU-DT, GW17KT-DT, GW20KT-DT, GW25KT-DT: 175mm 415mm 110mm 120mm...

  • Page 10: 3�3 Package

    3�3 Package Positive PV PV Box Negative PV Inverter*1 PV Box*1 Connector Bracket*1 Connector Cross PE OT AC PIN Communication Screwdriver*1 Screw Terminal*1 Terminal*6 Connector[1] Mounting Expansion Communication Bracket*1[4] Connector*1[3] Connector*1[3] Bolt Module*1[2] Mounting Documentation PIN Terminal Bracket*1[4] • The number of expansion bolts, screws, PV connectors, and PIN terminals are various depending on the different inverters.

  • Page 11: Installation

    Installation 4�1 Mounting Instructions 1. In order to achieve optimal performance, the ambient temperature should be lower than 45℃. 2. For easy maintenance, we suggest to install the inverter at eye level. 3. inverter should not be installed near flammable and explosive items. Strong electro-magnetic charges should be kept away from installation site.
  • Page 12 For dissipation of heat and convenience of dismantling, clearnaces around the inverter must meet the standard as shown below : The installation position should not prevent access to the disconnection means. ≥300mm ≥200mm ≥200mm Note: Inverters of 15kW or 20kW power need a clearance of 800mm to the ground at least.
  • Page 13 Installation method of GW8KAU-DT, GW10KAU-DT, GW15KAU-DT, GW20KAU-DT, GW17KT-DT, GW20KT-DT, GW25KT-DT inverter: 1.2~2N·m Install the PV box as following only when model GW15KAU-DT or GW20KAU-DT is used. 1.2~2N·m...

  • Page 14: 4�3 Electrical Connection

    4�3 Electrical Connection 4�3�1 Connection to Grid (AC Side Connection) Measure the voltage and frequency of grid-connected access point, and make sure it is in accordance with the grid-connected standard of inverter. It is recommended to add breaker or fuse to AC side. The specification should be more than 1.25 times of rated of AC output current.
  • Page 15 GW8KAU-DT, GW10KAU-DT, GW15KAU-DT, GW17KT-DT, GW20KT-DT, GW20KAU-DT, GW25KT-DT connection: If the line used is small, please use the attached fire mud to block, ensure the AC terminal waterproof grade. 10-12mm Φ: 10-12mm 10-15mm 2.5mm2≤S≤4mm2 0.6~0.8N·m 0.6~0.8N·m...
  • Page 16 Positive cable shall be red, negative cable shall be black. The minimum insulation resistance to ground of the PV panels for SDT G2 series must exceed 33.4KΩ(R=1000/30mA).There is a risk of shock hazard if the requirements of minimum resistance are not met.
  • Page 17 咔哒 7~8mm Φ: 4~5mm 7~8mm 2.5mm2≤S≤4mm2 Click Click ≤1100V...
  • Page 18 When installing model GW15KAU-DT or GW20KAU-DT, thread the DC cable through the PV box, and connect the cable to the PV connectors first. Then plug the PV connectors into the inverter, and fasten the top cover of the PV box. Φ: 4~5mm 7~8mm...
  • Page 19 4�3�4 Earth Terminal Connection The inverter is equipped with earth terminal according to the requirement of EN 50178. All non-current carrying exposed metal parts of the equipment and other enclosures in the PV power system must be grounded permanently. Please follow the steps below to connect "PE" cable to ground. L=L1+(1~2)mm Copper, S≥4mm2 1.2~2N·m...

  • Page 20: 4�4 Communication Connection

    4�4 Communication Connection 4�4�1 Wi-Fi Communication The appearance of communication modules is slightly different. But the modules are installed in the same way. The following figure shows you how to install a WiFi module. The Wi-Fi communication function is only applicable if the inverter has a Wi-Fi module. The detailed configuration instruction please refer to "Wi-Fi Configuration Instruction"...
  • Page 21 4�4�2 USB Communication Connection This function only applies to the local firmware upgrade and parameter calibration for after-sales. Dismantle the plate Insert the USB cable 4�4�3 Export Power Limit Connection Diagram The methods of connecting the Power Limiting device is shown below. Inverter Grid Power Meter...
  • Page 22 Connecting the DRED Cable (6PIN) 6.5mm 25mm No� Function DRM1/5 DRM2/6 0.3~0.4N·m DRM3/7 DRM4/8 REFGen COM/DRM0 6.5mm 25mm...
  • Page 23 NO� Function RS485 B RS485 B 0.3~0.4N·m RS485 A RS485 A Meter ＋ Meter － Connecting Smart Meter/RS485 Cable (2 PIN) 6.5mm 25mm...
  • Page 24 "5.2 User Interface and System Operation". 4�4�5 Earth Fault Alarm In compliance with the section 13.9 of IEC62109-2, the SDT G2 series inverter is equipped with an earth fault alarm. When earth fault occurs, the fault indicator at the front LED screen will light up.

  • Page 25: System Operation

    System Operation 5�1 LCD Panel and LED As a human-computer interaction interface, LCD display panel comprises of LED indicators, buttons and LCD display on the front panel of the inverter.LED indicates the working status of the inverter.Buttons and LCD are used for configuration and viewing parameters. Inverters Designed with LCD Indicator Status...

  • Page 26: 5�2 User Interface And Syetem Configuration

    Indicator Status Description Steady Green Power on Power Power off The power grid is working normally.The Steady Green inverter is on grid. The inverter is off grid. Operating Single Green Self-check before grid tying. Slow Blinking Single Green Fast The inverter is to be grid-tied. Blinking The Communication module is working Steady Green...
  • Page 27 5�2�3 Display A schematic of the display screen is shown as below: Normal Pac=6000.0W Display area is divided as follows: Line 1 Line 2 5�2�4 Display Area Line 1---Working status information This area displays the status information. "Waiting Pac=0.0W" indicates the inverter is standing by for power generation;...
  • Page 28 First Level Menu Second Level Menu Normal Long Press 50Hz Grid Default Pac=6000W Short Press E-Today=15.2KWh Long Press Lock Pac=6000W Short Press E-Total=533.17KWh Long Press No Error Pac=6000W Short Press Vpv=325.2/325.5V UtilityLoss Pac=6000W 190520 05:21 Short Press Set OK Ipv=4.1/4.1A Short Press For Wait 50Hz GridDefault...
  • Page 29 Long press the button to enter the second level menu of error detection. The newest three inverter error message will be shown by short pressing the button in this second level menu. The records include error message and error times (190520 15:30). •...
  • Page 30 5�2�8 Power Limiting Function Setting The Operations of the ON/OFF power limiting function (the default is OFF) and the power limiting settings (the default is 2% rated) are shown as below. PF Adjust Pac=6000W Short Press Set Power Limit Wait Shadow MPPT OFF Shadow MPPT ON XXX%...

  • Page 31: 5�3 Wi-Fi Reset & Wi-Fi Reload

    5�3 Wi-Fi Reset & Wi-Fi Reload These functions are only available for Wi-Fi model inverter. Wi-Fi reload function is used to change the Wi-Fi configuration to default value. Please configure the Wi-Fi again after using the function. Short press the button until the LCD displays "Wi-Fi Reset", then long press the button until the LCD displays "Wi-Fi Resetting…".

  • Page 32: 5�6 Precaution For Initial Shutdown

    5�6 Precaution for Initial Shutdown • Power off the inverter before any operations and maintenance. Otherwise, shock hazard exists and the inverter may be damaged. • Delayed discharge exists after the inverter being powered off. Wait until the equipment is totally discharged following the warning labels on the inverter. 1.

  • Page 33: 5�9 Power Recovery Rate

    5�9 Power Recovery Rate The power recovery rate can be modified by Modbus communication, specifically according to the machine Modbus address and Modbus register value, according to the set range to set the corresponding value. The default value (Australia Function Setting range Register &...

  • Page 34: Troubleshooting

    Troubleshooting In most situations, the inverter requires few maintenance. However, if the inverter is not working properly, please try the following troubleshooting solutions; When a problem occurs, the red (fault) LED indicator on the front panel will light up and the LCD screen will display the type of the fault.
  • Page 35 Type of fault Troubleshooting 1. Turn off DC switch, take off DC connector, measure the voltage of PV array. 2. Plug in DC connector, and turn on DC switch. Others No display 3. If PV array voltage is lower than 250V , please check configuration of inverter module.

  • Page 36: Maintenance

    Maintenance Check Item Method Maintenance Period System Check the heat sink and air outlet for foreign matter Once 6~12 months Cleanliness and dust. Check the fan for normal working status,low noise, Once a year and intact appearance. "Check whether the cables are securely connected. Electrical Check whether the cables are broken,or whether Once 6~12 months...

  • Page 37: Technical Parameters

    Technical Parameters Technical Data GW4K-DT GW5K-DT GW6K-DT GW8K-DT Input Max.Input Power (W) 6000 7500 9000 12000 Max.Input Voltage (V) 1000 1000 1000 1000 MPPT Operating Voltage Range (V) 180~850 180~850 180~850 180~850 Start-up Voltage (V) Nominal Input Voltage (V) Max. Input Current per MPPT (A) 12.5 / 12.5 12.5 / 12.5 12.5 / 12.5...
  • Page 38 Technical Data GW4K-DT GW5K-DT GW6K-DT GW8K-DT DC Arc Fault Circuit Interrupter Optional Optional Optional Optional General Data Operating Temperature Range (℃） ‐30~60 ‐30~60 ‐30~60 ‐30~60 Relative Humidity 0~100% 0~100% 0~100% 0~100% Max. Operating Altitude (m) ≤ 4000 ≤ 4000 ≤ 4000 ≤...
  • Page 39 Technical Data GW10KT-DT GW12KT-DT GW15KT-DT Input Max.Input Power (W) 15000 18000 22500 Max.Input Voltage (V) 1000 1000 1000 MPPT Operating Voltage Range (V) 180~850 180~850 180~850 Start-up Voltage (V) Nominal Input Voltage (V) Max. Input Current per MPPT (A) 12.5 / 12.5 12.5 / 25 12.5 / 25 Max.
  • Page 40 Technical Data GW10KT-DT GW12KT-DT GW15KT-DT DC Arc Fault Circuit Interrupter Optional Optional Optional General Data Operating Temperature Range (℃） ‐30~60 ‐30~60 ‐30~60 Relative Humidity 0~100% 0~100% 0~100% Max. Operating Altitude (m) ≤ 4000 ≤ 4000 ≤ 4000 Cooling Method Smart Fan Cooling Display LED+LCD/WiFi+APP Communication...
  • Page 41 Technical Data GW17KT-DT GW20KT-DT GW25KT-DT Input Max.Input Power (W) 22500 30000 37500 Max.Input Voltage (V) 1100 1100 1100 MPPT Operating Voltage Range (V) 200~950 200~950 200~950 Start-up Voltage (V) Nominal Input Voltage (V) Max. Input Current per MPPT (A) 25/25 25/25 37.5/25 Max.
  • Page 42 Technical Data GW17KT-DT GW20KT-DT GW25KT-DT DC Arc Fault Circuit Interrupter Optional Optional Optional General Data Operating Temperature Range (℃） ‐30~60 ‐30~60 ‐30~60 Relative Humidity 0~100% 0~100% 0~100% Max. Operating Altitude (m) ≤ 4000 ≤ 4000 ≤ 4000 Cooling Method Smart Fan Cooling Display LED+LCD/WiFi+APP Communication...
  • Page 43 Technical Data GW8KAU-DT GW10KAU-DT GW15KAU-DT GW20KAU-DT Input Max.Input Power (W) 12000 15000 22500 30000 Max.Input Voltage (V) 1100 1100 1100 1100 MPPT Operating Voltage 140~950 140~950 140~950 140~950 Range (V) Start-up Voltage (V) Nominal Input Voltage (V) Max. Input Current per MPPT 30 / 30 30 / 30 30 / 30...
  • Page 44 Technical Data GW8KAU-DT GW10KAU-DT GW15KAU-DT GW20KAU-DT DC Surge Arrester Type II Type II Type II Type II AC Surge Arrester Type III Type III Type III Type III DC Arc Fault Circuit Interrupter Optional Optional Optional Optional General Data Operating Temperature Range ‐30~60 ‐30~60 ‐30~60...
  • Page 45 Note： Overvoltage Category Definition Category I: applies to equipment connected to a circuit where measures have been taken to reduce transient overvoltage to a low level. Category II: applies to equipment not permanently connected to the installation. For example, appliances, portable tools and other plug-connected equipment; Category III: applies to fixed downstream equipment, including the main distribution board.
  • Page 46 T: +31 (0) 30 737 1140 Garden City, SG6 1WB UK sales@goodwe.com T:+ 44 (0) 333 358 3184 service.nl@goodwe.com enquiries@goodwe.com.uk / service@goodwe.com.uk GOODWE (India) GOODWE (Italy) 1202, G-Square Business Park, Sector 30A, Opp. Sanpada Via Cesare Braico 61, 72100 Brindisi, Italy Railway Stn., Vashi, Navi Mumbai- 400703...

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