SunSynk SUN-25K-SG01HP3-EU-BM2 Installer Manual
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SunSynk SUN-25K-SG01HP3-EU-BM2 Installer Manual

Three-phase hybrid inverter
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THREE-PHASE
HYBRID INVERTER
INSTALLER MANUAL
SUN-25K-SG01HP3-EU-BM2/SUN-30K-SG01HP3-EU-BM3
SUN-40K-SG01HP3-EU-BM4/SUN-50K-SG01HP3-EU-BM4
Global Tech China Ltd, 3 Floor, Wai Yip Industrial Building.
171 Wai Yip Street, Kwun Tong, Kowloon, Hong Kong.
Tel: +852 2884 4318 Fax: +8522884 4816
www.sunsynk.com / sales@globaltech-china.com
v.1 (08/24/22)

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Summary of Contents for SunSynk SUN-25K-SG01HP3-EU-BM2

  • Page 1 THREE-PHASE HYBRID INVERTER INSTALLER MANUAL SUN-25K-SG01HP3-EU-BM2/SUN-30K-SG01HP3-EU-BM3 SUN-40K-SG01HP3-EU-BM4/SUN-50K-SG01HP3-EU-BM4 Global Tech China Ltd, 3 Floor, Wai Yip Industrial Building. 171 Wai Yip Street, Kwun Tong, Kowloon, Hong Kong. Tel: +852 2884 4318 Fax: +8522884 4816 www.sunsynk.com / sales@globaltech-china.com v.1 (08/24/22)
  • Page 2 All information in this User Guide is based on the latest product information available at the time of printing approval. Sunsynk reserves the right to make changes at any time without notice and without incurring any obligation.

  • Page 3: Table Of Contents

    Table of Contents 1. SAFETY ......................5 1.1. General Safety ......................5 1.2. Symbols ........................5 1.3. Safety Instructions .....................6 1.4. Disposal Remarks ......................6 2. PRODUCT INTRODUCTION ................7 2.1. System Overview ......................7 2.2. Product Size .......................8 2.3. Features ........................9 2.4. Basic System Architecture ..................10 3.
  • Page 4 5.8. Set Company Name / Beeper / Auto dim ..............39 5.9. Factory Reset and Lock Code ................40 5.10. Battery Setup Page ....................41 5.11. Generator & Battery Page ..................42 5.12. Battery Discharge Page ..................45 5.13. Setting Up a Lithium Battery ..................47 5.14.

  • Page 5: Safety

    1. SAFETY 1.1. General Safety This device should only be used in accordance o instructions within this manual and in ƒ compliance with local, regional and national laws and regulations. Only allow this device to be installed, operated, maintained, repaired by other persons who have also read and understood this manual.

  • Page 6: Safety Instructions

    1.3. Safety Instructions HIGH LIFE RISK DUE TO FIRE OR ELECTROCUTION. The Sunsynk Single-Phase Hybrid Inverter can only be installed by a qualified li- censed electrical contractor. This is not a DIY product. Be sure to read this manual thoroughly before installation.

  • Page 7: Product Introduction

    2. PRODUCT INTRODUCTION The Sunsynk Three-Phase Hybrid Inverter is a highly efficient power management tool that al- lows the user to hit those ‘parity’ targets by managing power-flow from multiple sources such as solar, mains power (grid) and generators, and then effectively storing and releasing power as and when utilities require.

  • Page 8: Product Size

    1. Inverter Indicators 7. Meter-485 port 13. Grid 2. LCD Display 8. Battery input connectors 14. Load 3. Function Buttons 9. Function Port 15. Generator input 4. Power on/off button 10. Modbus Port 16. WiFi Interface 5. DC switch 11. BMS Port 6.

  • Page 9: Features

    2.3. Features INTERACTIVE ƒ Easy and simple to understand LCD display; ƒ Supporting Wi-Fi or GSM monitoring; ƒ Visual power flow screen; ƒ Built-in 2 strings for 1 MPP tracker and 1 string for 1 MPP tracker; ƒ Smart settable 3-stage MPPT charging for optimised battery performance; ƒ...

  • Page 10: Basic System Architecture

    2.4. Basic System Architecture The following diagram explains the basic application and architecture of this 3-Phase Inverter. ƒ It also includes following devices to have a Complete running system. ƒ Generator or Utlity ƒ PV modules ƒ Batteries ƒ Normal and smart loads ƒ...

  • Page 11: Technical Specifications

    3. TECHNICAL SPECIFICATIONS SUN-25K- SUN-30K- SUN-40K- SUN-50K- Model SG01HP3- SG01HP3- SG01HP3- SG01HP3- EU-BM2 EU-BM3 EU-BM4 EU-BM4 Battery Input Date Battery Type Li-Ion Battery Voltage Range 160V~800V Max. Charging Current 50A+50A Max. Discharging Current 50A+50A Number of battery input Charging Strategy for Li-lon Battery Self-adaption to BMS PV String Input Data Max.
  • Page 12 Output Shorted Protection Integrated Output Over Voltage Protection DC Type II / AC Type III Battery Over Current Protection Fuses Certifications and Standards VDE4105,IEC61727/62116,VDE0126,AS4777.2,CEI 0 Grid Regulation 21,EN50549-1, G98,G99,C10-11,UNE217002,NBR16149/ NBR16150 IEC62109-1/-2, NBT32004-2018, EN61000-6-1,EN61000-6-2, EMC/Safety Regulation EN61000-6-3, EN61000-6-4 General Data Operating Temperature Rande(ºC) -40~60 ºC, >45 ºC Derating Cooling Intelligent air cooling...

  • Page 13: Installation

    4. INSTALLATION 4.1. Parts List Check if you received all the items listed below. Ensure that nothing is damaged in the package. Page | 13 Hybrid Inverter | Installer Manual...

  • Page 14: Selecting The Mounting Area

    4.2. Selecting the Mounting Area For proper heat dissipation, allow a clearance of approximately 500mm to the side, 500mm above and below the unit, and 1000mm to the front of the unit. DO NOT install the inverter in the following areas: ƒ...

  • Page 15: Mounting The Inverter

    ALSO CONSIDER: ƒ Installing the indoor unit, outdoor unit, power supply cable, transmission cable, and remote control cable at least 1 metre away from any television or radio receiver. This will prevent TV reception interference or radio noise. This will prevent radio signal interference from external units that might interfere with the Wi-Fi or GSM monitoring.
  • Page 16 Choose the recommend drill head (as shown in below pic) to drill 4 holes on the wall, 52-60mm deep. 1. Use a proper hammer to fit the expansion bolt into the holes. 2. Carry the inverter and holding it, make sure the hanger aim at the expansion bolt,fix the inverter on the wall.

  • Page 17: Battery Connection

    4.4. Battery Connection For safe operation and compliance, an individual DC overcurrent protector or disconnection device is required for the connection of the battery and the inverter. Users are recommended to utilise a suitable fuse and DC isolator (see next page). In some applications, switching devices may not be required, but overcurrent protectors must be used.
  • Page 18 3. Crimp terminals: 4. Fasten terminal with a bolt: 5. Fasten the terminal with outer cover: Depending on the battery type, the inverter should be capable of controlling the batteries BMS. Therefore, you need to set the protocol of the BMS on both the bat- tery and the inverter.

  • Page 19: Function Ports Definition

    4.4.1. Function Ports Definition Page | 19 Hybrid Inverter | Installer Manual...

  • Page 20: Grid Connection And Backup Load Connection

    4.5. Grid connection and backup load connection Before connecting to grid, please install a separate AC breaker between inverter and grid. Also, it is recommended that installs an AC breaker between backup load and inverter.This will ensure the inverter can be securely disconnected during maintenance and fully protected from over current.

  • Page 21: Pv Connection

    5. Appliances such as air conditioner are required at least 2-3 minutes to restart because it is required to have enough time to balance refrigerant gas inside of circuit. If a power shortage occurs and recovers in short time, it will cause damage to your connected appliances. To prevent this kind of damage, please check manufacturer of air conditioner if it is equipped with time-delay function before installation.

  • Page 22: Pv Module Selection

    4.6.1. PV Module Selection When selecting proper PV modules, please be sure to consider below parameters: 1. Open circuit Voltage (Voc) of PV modules can not exceed max. PV array open circuit voltage of inverter. 2. Open circuit Voltage (Voc) of PV modules should be higher than min. start voltage. 3.
  • Page 23 Please utilise an approved DC cable for PV system. Cross section (mm Cable type Range Recommended value Industry generic PV cable 2.5~4 (12~10AWG) 2.5(12AWG) (model: PV1-F) The correct steps in assembling the DC connector are explained below: 1. Strip 7mm of the plastic coating off the DC wire and disassemble the connector cap nut. 2.

  • Page 24: Connecting The Ct Coil

    When sunlight falls on the solar panel, it will generate a voltage. A high voltage generated by panels in series configuration may cause danger to life. Therefore, before connecting the DC-Input line, the solar panel’s surface should be shielded from the sun’s rays by some opaque material and the DC switch should be off. This will prevent a high voltage flowing to the inverter thereby causing risk to persons conducting installation or maintenance.

  • Page 25: System Connection For The Chnt Meter

    When the inverter is in the off-grid state, the N line needs to be connected to the earth. 4.7.1. System Connection for the CHNT Meter 4.7.2. System Connection for the Eastron Meter Page | 25 Hybrid Inverter | Installer Manual...
  • Page 26 Hybrid Inverter | Installer Manual Page | 26...
  • Page 27 Page | 27 Hybrid Inverter | Installer Manual...

  • Page 28: Earth Connection (Mandatory)

    When the inverter is in the off-grid state, the N line needs to be connected to the earth. In final installation,breaker certified according to IEC 60947-1 and IEC 60947-2 shall be installed with the equipment. 4.8. Earth Connection (MANDATORY) Ground cable shall be connected to ground plate on grid side this prevents electric shock if the original protective conductor fails.

  • Page 29: Wiring System For Inverter

    4.10. Wiring System for Inverter Page | 29 Hybrid Inverter | Installer Manual...

  • Page 30: Wiring Diagram

    4.11. Wiring Diagram Hybrid Inverter | Installer Manual Page | 30...
  • Page 31 Page | 31 Hybrid Inverter | Installer Manual...

  • Page 32: Typical Application Diagram Of Diesel Generator

    4.12. Typical Application Diagram of Diesel Generator Hybrid Inverter | Installer Manual Page | 32...

  • Page 33: Three Phase Parallel Connection Diagram

    4.13. Three Phase Parallel Connection Diagram Page | 33 Hybrid Inverter | Installer Manual...

  • Page 34: Operation

    5. OPERATION 5.1. Display LED indicator Meaning Green LED solid light PV connection normal Green LED solid light Grid connection normal Normal Green LED solid light Inverter functioning normally Alarm Red LED solid light Fault Function Key Description To exit the previous mode Increase the value of a setting Down Decrease the value of a setting...

  • Page 35: Switching On/Off

    5.2. Switching ON/OFF Once the inverter has been correctly installed and the batteries have been connected, press the ON/OFF button (located on the left side of the case) to activate the system. When the system is connected without a battery but connected with either PV or grid and the ON/OFF button is switched off, the LCD will still illuminate (display will show off).

  • Page 36: Status Page

    5.4. Status Page To access the Status page, click on the BATTERY or AC LOAD dial on the Home page. What this page displays: ƒ Total solar power produced. ƒ MPPT 1 power/voltage/current. ƒ MPPT 2 power/voltage/current. ƒ Grid power. ƒ...

  • Page 37: System Flow Page

    5.5. System Flow Page Access by clicking on the bar chart on the Home Page. What this page displays: ƒ The system flow. ƒ MPPTs power. ƒ Battery status. ƒ Power distribution to load or grid. To better understand the functioning of your system, take a look at the figure bellow: 1.

  • Page 38: Setup Page

    5.6. Setup Page To access the Settings, click on the gear icon on the right top of the navigation menu. What this page displays: ƒ Serial number. ƒ Software version. ƒ Time, Date, and MCU. What you can do from this page: ƒ...

  • Page 39: Set Company Name / Beeper / Auto Dim

    5.8. Set Company Name / Beeper / Auto dim To set company name click on the BASIC icon and then on ‘Display’. What this page displays: ƒ Beeper status (ON/OFF). ƒ Installers names. What you can do from this page: ƒ...

  • Page 40: Factory Reset And Lock Code

    5.9. Factory Reset and Lock Code To access the Settings, click on the gear icon on the right top of the navigation menu. What this page displays: ƒ Reset status. ƒ Whether the ‘lock code’ is used or not. What you can do from this page: ƒ...

  • Page 41: Battery Setup Page

    5.10. Battery Setup Page To configure battery settings, click on the BATTERY icon and then on ‘Batt type’. What this page displays: ƒ Battery capacity in (Ah) – For non-BMS-batteries the range allowed is 0-2000Ah, while for lithium-ion the inverter will user the capacity value of the BMS. ƒ...

  • Page 42: Generator & Battery Page

    5.11. Generator & Battery Page To configure battery charging settings, click on the BATTERY icon and then on ‘Batt Charge’. What this page displays: ƒ Generator start voltage/SOC %. ƒ Grid power start voltage/SOC %. ƒ Float V is the voltage at which a battery is maintained after being fully charged. ƒ...
  • Page 43 The current on thee contacts is limited to approximately, 1Amp 12V. Below is a simple reference circuit of an auto start system that can autostart generators on a boat. (Sunsynk will be releasing a new OS E406 ( Auto-Start ) for better generator control). Page | 43...
  • Page 44 Hybrid Inverter | Installer Manual Page | 44...

  • Page 45: Battery Discharge Page

    Activating Shutdown causes the inverter to enter standby-mode. It does not com- pletely shut down the inverter. Total shutdown occurs at voltages below 19V. The voltage displayed on the Sunsynk Parity Inverter will vary depending on whether the inverter is charging or discharging the batteries.
  • Page 46 ƒ Completely Discharged 47.50V Setting the cut-off higher is better for the batteries. The batteries recommended for use with the Sunsynk systems are AGM Lead Acid or Lithium Battery Banks. (‘AGM’ means Absorbed Glass Matt construction that allows the electrolyte to be suspended new the plate’s active material.

  • Page 47: Setting Up A Lithium Battery

    5.13. Setting Up a Lithium Battery To set up a lithium-ion battery, click on the BATTERY icon and visit the ‘Batt Type’ column. What this page displays: ƒ This information will only display if the ‘Lithium’ option is selected under ‘Batt Type’. ƒ...
  • Page 48 2. Check that the data cable is plugged into the correct sockets. Usually, RS485 is employed, but some battery manufacturers use others.. With some types of lithium battery, the BMS cannot be controlled by the Sunsynk inverter. In this case, treat the battery as a lead-acid type and set the charging and discharging protocol following the battery manufacturer specification.
  • Page 49 RS485 Inverter Brand Model Storage Notes or CAN Setup Inverter HUBBLE AM-2 5.5KW  SSIF2P15S48100C RS485 SACRED FCIFP48100A RS485 Cut Line 3, 6, 8  SSIFP48100A RS485 UZ ENERGY UZ-EB51.2-100ALL  ESS-5120 RS485 ESS-10240 RS485 GenixGreen ESS-BOX2 RS485  ESS-BOX3 RS485 ESS-BOX4 RS485...
  • Page 50 RS485 Inverter Brand Model Storage Notes or CAN Setup Inverter RJ45 Pin 1: GND 48NPFC80 RS485 RJ45 Pin 2: RS485_A RJ45 Pin 3: RS485_B RJ45 Pins 4, 5, 6, 7, 8: 48NPFC100 RS485 No Connection Narada Single-phase Hybrid 48NPFC150 RS485 Inverter Comm version is E41E Single-phase Hybrid Inverter Comm...
  • Page 51 RS485 Inverter Brand Model Storage Notes or CAN Setup Inverter B-LFP51.2V 100Ah B-FLP51.2V 125Ah Float voltage 54.5V B-LFP48-130E 51.2V Absorption V 55.00V 130Ah Disable equalisation 0 Days Shutdown 20% B-LFP48-160E 51.2V Low Batt 35% 160Ah Restart 50% B-LFP51.2V 200Ah Powerwall BMS cable –...

  • Page 52: Program Charge & Discharge Times

    5.14. Program Charge & Discharge Times To set ‘Charge’ and ‘Discharge’ times, click on the ‘System Mode’ icon after clicking on the gear icon. What this page displays: ƒ A setting to prevent the inverter exporting power to the grid - ‘Zero Export’. ƒ...
  • Page 53 Concerning the detailed figures above: 1. Tick this box to do not export power back to the grid (the CT coil will detect power flowing back to the grid and will reduce the power of the inverter only to supply the local load). 2.
  • Page 54 Example: This example shows the battery being charged up to 100% by both the Grid and Solar PV from 8 a.m. to 11 a.m. and then being able to supply up to 4kW of battery-power to the ‘essential’ loads from the ‘Load’ Port until the battery SOC drops to 50%. IMPORTANT - When charging the batteries from the Grid or Generator, please ensure you have set the correct correct battery-charging settings on the battery charge as shown in Section 4.10 ‘Battery Setup’...

  • Page 55: Grid Supply Page

    5.15. Grid Supply Page On the Settings Menu, click on the GRID icon. What this page displays: ƒ Grid frequency setting. ƒ Grid type (normally 230V three-phase). What you can do from this page: ƒ Change grid’s frequency setting (normally 50 Hz) ƒ...

  • Page 56: Advanced Settings For Paralleling Inverters

    5.16. Advanced Settings for Paralleling Inverters To configure multi-inverter settings, click on the ADVANCE icon. What this page displays: ƒ If the inverter operates as a master or a slave. ƒ Modbus Device ID – ‘Modbus SN’ that must be unique for each inverter connected to the bus/wire.
  • Page 57 The Sunsynk inverter can be wired standalone or where more power is required it can be connected in parallel. The maximum number of inverters that can be paralleled in a three phase utility grid is 10. In the case where 10 inverters are operating in parallel, one will operate as the Master and the other ones as Slaves.
  • Page 58 It can damage the inverter and fault F46 will be indicated on the display. If you need further help please refer to the Sunsynk website where you will find training vid- eos and Frequently Asked Questions www.sunsynk.com. From here you can also update the inverter operating system if required.

  • Page 59: Solar Power Generated

    5.17. Solar Power Generated This page shows the daily, monthly, yearly, and total solar power produced. Access this page by clicking on the ‘Solar/Turbine’ icon on the Home Page. 5.18. Grid Power This page shows the Daily / Monthly / Yearly and total grid power export or consumed. Access this page by clicking on the ‘Solar/Turbine’...

  • Page 60: Advanced Settings For Wind Turbines

    5.19. Advanced Settings for Wind Turbines To configure wind turbine settings, click on the ADVANCE icon. What this page displays: ƒ If one or both of the MPPTs are connected to a wind turbine. What you can do from this page: ƒ...

  • Page 61: Advanced Settings For Auxiliary Load

    Most wind turbines are three-phase PM type. Therefore, either a wind turbine controller or a direct connection to the MPPT via a simple protection circuit will be required. Dump Load or Diversion Load is an important part of an off-grid power system. When the bat- tery ( Battery Bank ) is fully charged, and the water turbine / wind turbine / solar PV module is still generating, a dump load is a useful device to send spare electricity to.

  • Page 62: Advanced Settings For Peak Shaving

    Aux Load off Battery % Battery level when the Aux load switches off or Voltage Aux Load on Battery % Battery level when the Aux load switches on. or Voltage Solar Power Power limiter to the maximum power allowed to the Aux load. Tick this box if using a Generator.

  • Page 63: Fault Codes

    5.22. Fault Codes To check the fault codes click on the FAULT CODES icon on the settings menu. 2022-01-26 12:45 _VoltLow_Fault 2022-01-24 11:00 _VoltLow_Fault 2022-01-07 18:19 2022-01-08 01:58 2021-11-09 13:22 _VoltLow_Fault 2021-11-03 17:48 _VoltLow_Fault 2021-10-27 16:31 2021-10-20 19:17 If any of the fault messages listed in the following table appear on your inverter and the fault has not been removed after re-starting, please contact your local vendor or service centre.
  • Page 64 Description Solutions Inverter work mode changed Working Mode Change 1. Reset the inverter. 2. Seek help from Sunsynk. AC Slide over current fault. AC over current fault or 1. Check if the backup load power is within the hardware range of the inverter.
  • Page 65 Error Code Description Solutions Battery low voltage 1. Check if the battery voltage is too low. 2. If the battery voltage is too low use the PV or grid to charge the battery. DC bus bar voltage is 3. Check the battery BMS too low Important: Especially with Lithium batteries, ensure...
  • Page 66 Chapter 3 ‘Technical Specifications’. If you need further help please refer to the Sunsynk website where you will find training videos and frequently asked questions www.sunsynk.com. Hybrid Inverter | Installer Manual...

  • Page 67: Operation Modes

    5.23. Operation Modes 5.23.1. MODE I: Basic 5.23.2. MODE II: With Generator Page | 67 Hybrid Inverter | Installer Manual...

  • Page 68: Mode Iii: With Smart-Load

    5.23.3. MODE III: With Smart-Load 5.23.4. MODE IV: AC Couple Hybrid Inverter | Installer Manual Page | 68...

  • Page 69: Commissioning

    6. COMMISSIONING 6.1. Start-Up / Shutdown Procedure The inverter must be installed by a qualified / licensed electrical engineer in accordance to the countries wiring regulations. Before switching on, the installation engineer must have completed the Earth Bond, RCD and earth leakage tests, checked that the solar panel Voc voltage does not exceed 480V and checked the battery voltage.

  • Page 70: Information For Commissioning The Inverter

    6.2. Information for Commissioning the Inverter After you have successfully powered up the inverter, it must be programmed and set up as per the programming feature above. Check the VOC does Ensure both MPPTs Check each bond on not exceed 480V are balanced the solar panels Measure...

  • Page 71: Gdfi Fault

    6.3. GDFI Fault Before the inverter connects to the Grid, it will detect the impedance (effective resistance) of the solar PV + to Ground, and the impedance of the solar PV - to ground. If any of the impedance values are less than 33kΩ, the inverter will not connect to the Grid and will report an error F24 on its LCD.
  • Page 72 Definition of RJ45 Port Pin for Meter Meter-485 Pin Meter-485_B Meter-485_A GND_COM Meter-485_B Meter-485_A GND_COM Definition of RJ45 Port Pin for RS485 RS485 Pin Modbus-485_B Modbus-485_A GND_485 GND_485 Modbus-485_A Modbus-485_B RS232 WIFI/RS232 D-GND 12Vdc Hybrid Inverter | Installer Manual Page | 72...
  • Page 73 1. Split Core Current Transformer (CT) dimension: (mm). 2. Secondary output cable length is 4m. For more information, training videos, software upgrades, help line, forum please refer to http:// www.sunsynk.com - Tech Support (Do not forget to register first on the website). Sunsynk @energysolutions...
  • Page 74 Kowloon, Hong Kong. Tel. HK +852 2884 4318 Fax: +852 2884 4816 Tel. UK +44 151 528 9945 Tel. SA +27 1108 39837 sales@globaltech-china.com Audio Training manuals on Apple Pod Cast and Spotify. Full training support, manuals and videos on www.sunsynk.com...

This manual is also suitable for:

Sun-30k-sg01hp3-eu-bm3Sun-40k-sg01hp3-eu-bm4Sun-50k-sg01hp3-eu-bm4

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