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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SUN-25K-SG01HP3-EU-BM2 / SUN-30K-SG01HP3-EU-BM3
SUN-40K-SG01HP3-EU-BM4 / SUN-50K-SG01HP3-EU-BM4
v.14 (03/29/23)
THREE-PHASE
HYBRID INVERTER
INSTALLER MANUAL
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@sunsynk.com
PLEASE RETAIN FOR
FUTURE REFERENCE

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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@sunsynk.com PLEASE RETAIN FOR v.14 (03/29/23)
  • Page 2 The manufacturer's warranty does not cover any damage resulting from the neglect of these instructions. Sunsynk assumes no liability for damage caused by the operation contrary to what is specified in this operating manual.

  • Page 3: Table Of Contents

    Table of Contents SAFETY 1.  1.1. General Safety 1.2. Symbols 1.3. Safety Instructions 1.4. Disposal Remarks 2. PRODUCT INTRODUCTION 2.1. System Overview 2.2. Product Size 2.3. Features 2.4. Basic System Architecture 3. TECHNICAL SPECIFICATIONS 4. INSTALLATION 4.1. Parts List 4.2. Selecting the Mounting Area 4.3. Mounting the Inverter 4.4. Function Port Definition 4.5. Battery Connection 4.6. Grid Connection and Backup Load Connection 4.7. PV Connection 4.7.1. PV Module Selection 4.7.2. PV Module Wiring...
  • Page 4 5.2. Display 5.2.1. LED indicators 5.2.2. Function buttons 5.3. LCD operation flow chart 5.4. Home page 5.5. Status Page 5.6. System Flow Page 5.7. Setup Page 5.8. Basic Setup 5.8.1. Set Time (Clock) 5.8.2. Set Company Name / Beeper / Auto dim 5.8.3. Factory Reset and Lock Code 5.9. Battery Setup Page 5.10. Generator & Battery Page 5.11. Battery Discharge Page 5.12. Setting Up a Lithium Battery 5.13. Program Charge &...
  • Page 5 9. MAINTENANCE APPENDIX A APPENDIX B THREE PHASE HI 25/50kW | Installer Manual...

  • Page 6: Safety

    1. SAFETY 1.1. General Safety This device should only be used in accordance with the instructions within this manual and in compli- ƒ ance with local, regional, and national laws and regulations. Only allow this device to be installed, operat- ed, maintained, and repaired by other person(s) who have read and understood this manual. Ensure the manual is included with this device should it be passed to a third party.

  • Page 7: Safety Instructions

    WARNING HIGH LIFE RISK DUE TO FIRE OR ELECTROCUTION. Sunsynk Three-Phase Hybrid Inverter can only be installed by a qualified licensed electrical contractor. This is not a DIY product. This chapter contains important safety and operating instructions. Read and keep this manual for future ƒ...

  • Page 8: Product Introduction

    2. PRODUCT INTRODUCTION The Sunsynk Three-Phase Hybrid Inverter is a multifunctional inverter, combining functions of inverter, solar charger and battery charger to offer uninterruptible power support with portable size. Its comprehensive LCD display offers user configurable and easy accessible button operation such as battery charging, AC/so- lar charging, and acceptable input voltage based on different applications.

  • Page 9: Product Size

    2.2. Product Size THREE PHASE HI 25/50kW | Installer Manual...

  • Page 10: Features

    2.3. Features INTERACTIVE Easy and straightforward 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 11: Basic System Architecture

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

  • Page 12: Technical Specifications

    3. TECHNICAL SPECIFICATIONS SUN-25K- SUN-30K- SUN-40K- SUN-50K- Model SG01HP3-EU- SG01HP3-EU- SG01HP3-EU- SG01HP3-EU- Battery Input Date Battery Type Li-Ion 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 13 SUN-25K- SUN-30K- SUN-40K- SUN-50K- Model SG01HP3-EU- SG01HP3-EU- SG01HP3-EU- SG01HP3-EU- Protection PV Input Lightning Protection Integrated Anti-islanding Protection Integrated PV String Input Reverse Polarity Integrated Protection Insulation Resistor Detection Integrated Residual Current Monitoring Unit Integrated Output Over Current Protection Integrated Output Shorted Protection Integrated Output Over Voltage Protection DC Type II / AC Type III...

  • Page 14: Installation

    4. INSTALLATION 4.1. Parts List Check the equipment before installation. Please make sure nothing is damaged in the package. You should have received the items in the following package: Stainless steel anti-collision bolt M12x60 Hybrid Inverter Wall Mounting bracket Parallel communication cable L-type Hexagon wrench Meter (optional) Data Logger x1...

  • Page 15: 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: Areas with high salt content, such as the marine environment.

  • Page 16: Mounting The Inverter

    If children under 10 years old may approach the unit, take preventive measures so they cannot reach ƒ and touch the unit. Install the indoor unit on the wall where the floor height is higher than 1600mm. ƒ Before connecting all wires, please take the metal cover off, removing the screws as shown below: 4.3. Mounting the Inverter Select installation locations that are adequate to support the weight of the converter.
  • Page 17 Inverter hanging plate installation THREE PHASE HI 25/50kW | Installer Manual...

  • Page 18: Function Port Definition

    4.4. Function Port Definition THREE PHASE HI 25/50kW | Installer Manual...

  • Page 19: Battery Connection

    4.5. Battery Connection For safe operation and compliance, an individual DC overcurrent protector or disconnection device is required to connect the battery and the inverter. Users are recommended to utilise a suitable fuse and DC isolator (see next page). Switching devices may not be required in some applications, but overcurrent pro- tectors must be used.
  • Page 20 3. Crimp terminals: 4. Fasten terminal with a bolt: 5. Fasten the terminal with outer cover: PLEASE NOTE Depending on the battery type, the inverter should be capable of controlling the battery BMS. There- fore, you need to set the protocol of the BMS on both the battery and the inverter. When using more than one battery, the first battery will be the master, and the other batteries will be the slaves.

  • Page 21: Grid Connection And Backup Load Connection

    25/30/40/50KW model, the recommended AC breaker for the backup load is 180A. There are three terminal blocks marked as GRID, LOAD, and GEN. Please do not confuse input and output connections. External AC SPD is compulsory on all Sunsynk inverters. CAUTION All wiring must be performed by qualified personnel.

  • Page 22: Pv Connection

    In addition, we request users install PV junction boxes with surge protection to protect the system from a lightning strike. External AC SPD is compulsory on all Sunsynk inverters. To avoid any malfunction, do not connect any PV modules with possible current leakage to the inverter. For example, grounded PV modules will cause current leakage to the inverter.

  • Page 23: Pv Module Wiring

    Inverter Model 25kW 30kW 40kW 50kW PV Input Voltage 600V (180V~1000V) PV Array MPPT Voltage Range 150-850V No. Of MPP Trackers No. Of Strings per MPP Tracker 2+2+2 2+2+2+2 4.7.2. PV Module Wiring 1. Switch the Grid Supply Main Switch (AC) OFF. 2.
  • Page 24 2. Crimp metal terminals with crimping pliers. 3. Insert the contact pin into the connector housing until it locks into place. Then screw the cap nut onto the connector housing. Torque to 2.5-3 N.m. 4. Finally, insert the DC connector into the positive and negative input of the inverter. PLEASE NOTE When sunlight falls on the solar panel, it will generate a voltage.

  • Page 25: Connecting The Ct Coil

    4.8. Connecting the CT Coil The CT coil is one of the most important parts of the Sunsynk inverter. This device reduces the power of the inverter to prevent feeding power to the grid. This feature is also known as “Zero Export”.

  • Page 26: Meter Connection

    4.9. Meter Connection 4.9.1. System Connection for the CHNT Meter THREE PHASE HI 25/50kW | Installer Manual...

  • Page 27: System Connection For The Chnt Meter With Ct Coil

    4.9.2. System Connection for the CHNT Meter with CT Coil GRID Inverter Meter Parallel_1 Parallel_2 RS485A RS485B Home Load Three-Phase Smart Meter Grid 6 9 10 13 14 16 17 19 21 (3,6,9,10) Three-Phase Smart Meter RS 485 230/400V,3~ 250A/50mA 50/60Hz CHNT DTSU666 PLEASE NOTE When the inverter is in the off-grid state, the N line needs to be connected to the earth.

  • Page 28: Earth Connection (Mandatory)

    4.10. Earth Connection (MANDATORY) Ground cable shall be connected to ground plate on grid side this prevents electric shock if the original pro- tective conductor fails. Model Wire size Cable (mm Torque value (max) 25/30/40/50KW 0 AWG 53.5 20.3Nm The conductor should be made of the same metal as the phase conductors. THREE PHASE HI 25/50kW | Installer Manual...

  • Page 29: Wiring System For Inverter

    4.11. Wiring System for Inverter THREE PHASE HI 25/50kW | Installer Manual...

  • Page 30: Wiring Diagram

    4.12. Wiring Diagram THREE PHASE HI 25/50kW | Installer Manual...
  • Page 31 L wire N wire PE wire BMS1 BMS2 Inverter Ground Breaker Battery pack AC Breaker AC Breaker Backup Load AC Breaker DC Breaker for battery Home Load SUN 25K-SG-EU: 200A DC breaker SUN 30K-SG-EU: 200A DC breaker SUN 40K-SG-EU: 200A DC breaker SUN 50K-SG-EU: 200A DC breaker AC Breaker for backup load SUN 25K-SG-EU: 240A AC breaker...

  • Page 32: Typical Application Diagram Of Diesel Generator

    4.13. Typical Application Diagram of Diesel Generator L wire N wire PE wire Remotely control signal line coil relay open contact Generator Breaker 1 2 3 4 5 6 7 8 9 10 111 SHUT DOWN BMS1 BMS2 Ground Inverter Breaker AC Breaker Battery pack DC Breaker for battery...

  • Page 33: Three Phase Parallel Connection Diagram

    4.14. Three Phase Parallel Connection Diagram L wire N wire PE wire Inverter Meter Parallel_1 Parallel_2 BMS1 BMS2 RS485 No.3 (slave) Ground Battery pack Inverter Inverter No.2 (slave) Ground AC Breaker for grid port SUN 25K-SG-EU: 240A AC breaker SUN 30K-SG-EU: 240A AC breaker SUN 40K-SG-EU: 240A AC breaker Battery pack SUN 50K-SG-EU: 240A AC breaker...

  • Page 34: Operation

    5. OPERATION 5.1. 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 illumi- nate (display will show off).

  • Page 35: Lcd Operation Flow Chart

    5.3. LCD operation flow chart Solar Page Solar Graph Grid Page Grid Graph Inverter Page Battery Page BMS Page HOME PAGE Load Page Load Graph Basic Setting Battery Settings Grid Settings System Mode System Setup Advanced Settings Aux Load Settings Fault Codes Li BMS Settings THREE PHASE HI 25/50kW | Installer Manual...

  • Page 36: Home Page

    5.4. Home page Press the Esc button any page to access the home page: 1. Customer name 2. Access the settings menu page 3. Access solar page 4. Access load page 5. Access battery page SOLAR/TURBINE AC load 6. Access grid page 7.

  • Page 37: System Flow Page

    What this page displays: Total solar power produced. Inverter voltage. ƒ ƒ MPPT 1 power/voltage/current. Inverter current. ƒ ƒ MPPT 2 power/voltage/current. Load power. ƒ ƒ Grid power. Load voltage. ƒ ƒ Grid frequency. Battery power charge/discharge. ƒ ƒ Grid voltage. Battery SOC.

  • Page 38: Setup Page

    What this page displays: The system flow. Battery status. ƒ ƒ MPPTs power. Power distribution to load or grid. ƒ ƒ 5.7. Setup Page To access Settings, click on the gear icon on the right top of the navigation menu. What this page displays: Serial number.

  • Page 39: Basic Setup

    5.8. Basic Setup 5.8.1. Set Time (Clock) To set time, click on the BASIC icon and then on ‘Time’ What this page displays: Time. ƒ Date. ƒ AM/PM. ƒ What you can do from this page: Adjust / set time. ƒ Adjust / set date. ƒ...

  • Page 40: Factory Reset And Lock Code

    How to set the auto dim: Set a number in the auto dim box to dim the LCD after a number of seconds. How to turn the beep on or off: Check or uncheck the beep box and the press OK to configure it as you prefer.

  • Page 41: Battery Setup Page

    5.9. Battery Setup Page To configure battery settings, click on the BATTERY icon and then on ‘Batt type’. What this page displays: Battery capacity in (Ah): For non-BMS-batteries the range allowed is 0-2000Ah, while for lithium-ion, ƒ the inverter will use the capacity value of the BMS. Charge/Discharge Amps: The Max battery charge/discharge current (0-90A for 3.6KW model, 0-120A ƒ...

  • Page 42: Generator & Battery Page

    5.10. Generator & Battery Page To configure battery charging settings, click on the BATTERY icon and then on ‘Batt Charge’. What this page displays: Start: Generator start voltage/SOC %. S.O.C at 30% system will AutoStart a connected generator to ƒ charge the battery bank. Amps: Charge rate of 40A from the attached generator in Amps.
  • Page 43 1Amp 12V. Below is a simple reference circuit of an auto-start system that can auto-start generators on a boat. (Sunsynk will be releasing a new OS E406 ( Auto-Start ) for better generator control).

  • Page 44: Battery Discharge Page

    5.11. Battery Discharge Page To configure inverter’s shut-down settings, click on the BATTERY icon and then on ‘Shut Down’. THREE PHASE HI 25/50kW | Installer Manual...
  • Page 45 Activating Shutdown causes the inverter to enter standby-mode. It does not entirely 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: Setting Up A Lithium Battery

    Absorption: To fully charge a battery, a period of charging at a relatively high voltage is needed. This period of the charging process is called absorption. This occurs when the charging of a battery has reached 80% of its capacity. The remaining charge equals 20% approximately. It makes the charger hold the voltage at the charger’s absorption voltage (between 14.1 VDC and 14.8 VDC, depending on charger set points) and decreases the current until the battery is fully charged.
  • Page 47 PLEASE NOTE With some types of lithium batteries, 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's specifications.
  • Page 48 SACRED SUN FCIFP48100A RS485 Cut Line 3, 6, 8  SSIFP48100A RS485 SS4074 To be used with V2 Logger http://solarmd.co.za/invert- SolarMD SS4037  er-compatibility-solarmd/ SS202 sunsynk-and-solar-md/ SHOTO SDC-Box5(5.12KWH)  L051100-A L051100-A1 UZ ENERGY  L051100-B L051100-D ESS-5120 RS485 ESS-10240 RS485 ESS-BOX2...
  • Page 49 RS485 Inverter Brand Model Storage Notes or CAN Setup Inverter IPACK C3.3 DOWELL IPACK C6.5  IPACK C10 G2500-48V Giter  G5040-48V CFE2400 CF Energy CFE5100  CFE5100S Batterich/ UP3686 Greenrich BYD Battery-Box LV Flex Lite 48NPFC80 RS485 RJ45 Pin 1: GND RJ45 Pin 2: RS485_A 48NPFC100 RS485...
  • Page 50 RS485 Inverter Brand Model Storage Notes or CAN Setup Inverter U-P48200-7 U-P48100-7 U-P48150-1 L01-48100 DMEGC L02-48200 LR48100 Robuste LR48200 4K Pack Soluna 5K Pack EOS-5K Pack REVOV R100 Powerfree Rack PAND Powerfree Cube CLiS (Zhong- neng Lithi- um Battery Enerhi-M Series Technology Taizhou Co., Ltd.)
  • Page 51 RS485 Inverter Brand Model Storage Notes or CAN Setup Inverter LM-JW-51.2V100Ah LEMAX LM-JW-51.2V200Ah EVO 5.7KWH 48V-120Ah Yoshopo BB-LFP-100Ah-P Gen2 P48200-7 GEN2 Gen2 P48100-7 Gen2 P48150-1 51.2V 100Ah Shanghai Green GTEM-48V2500 RS485 Tech Co.,Ltd. Unipower UPI.FP4845 RS485 LD-100P210J RS485 LPBF Series RS485 Felicity LPBA-OL Series...

  • Page 52: Program Charge & Discharge Times

    PLEASE NOTE When communications between the battery and inverter do not exist, do not overcharge your battery bank (current or voltage). Many lithium batteries are limited to 100A, some are lower, and some are higher. Ensure that voltage and current specifications provided by the battery manufacturer are followed.
  • Page 53 Zero Export + Limit To Load Only: The hybrid inverter will only provide power to the backup load connect- ed. The hybrid inverter will neither provide power to the home load nor sell power to the grid. The built-in CT will detect power flowing back to the grid and will reduce the power of the inverter only to supply the local load and charge the battery.
  • Page 54 Concerning the detailed next figures: 1. Tick this box to 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 55 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%.

  • Page 56: Grid Supply Page

    Example: During 01:00-05:00, when the battery SOC is lower than 80%, it will use the grid to charge the battery until the battery SOC reaches 80%. During 05:00-08:00 and 08:00-10:00, when battery SOC is higher than 40%, the hybrid inverter will discharge the battery until the SOC reaches 40%.
  • Page 57 What this page displays: Normal connect: The allowed grid voltage/frequency range when the inverter first time connects to the ƒ grid. Normal Ramp rate: It is the startup power ramp. ƒ Reconnect after trip: The allowed grid voltage/frequency range for the inverter connects the grid after ƒ...
  • Page 58 What this page displays: FW: This series inverter is able to adjust inverter output power according to grid frequency. ƒ Droop f: The percentage of nominal power per Hz. ƒ For example: “Start freq f>50.2Hz, Stop freq f<50.2, Droop f=40%PE/Hz” when the grid frequency reaches 50.2Hz, the inverter will decrease its active power at Droop f of 40%.
  • Page 59 What this page displays: P(Q): It adjusts the inverter reactive power according to the set active power. P(PF): It adjusts the inverter PF according to the set active power. Lock-in/Pn 50%: When the inverter output active power is less than 50% rated power, it won't enter the P(PF) mode.

  • Page 60: Advanced Settings For Paralleling Inverters

    Set the Modbus SN for paralleling. The Sunsynk parity inverter can be wired standalone or where more power is required it can be connected in parallel either single or 3 phase configuration. The maximum number of inverters that can be paral- leled in a single phase utility grid is 16 and the maximum number that can be paralleled in a three phase utility grid is 15A.
  • Page 61 Each invert will require a fuse isolator with surge protection and each group circuit will require an RCD. If the batteries as supplying power to the main load during the outage then a change over switch will also be required or a split load can be used. The CT coils used to limit export power must only be connected to the master.
  • Page 62 If you need further help please refer to the Sunsynk website where you will find training videos and Fre- quently Asked Questions www.sunsynk.com. Firmware prior installation is important to be updated and all inverters in parallel or three phase system must be the same.

  • Page 63: Connecting The Drm's

    5.16. Connecting the DRM’s This can be selected under advance settings. This can be selected under advance settings. 1. DRM 1/5 5. Ref 0 2. DRM 2/6 6. D Ground 3. DRM 3/7 7. Net J 4-7 4. RDRM 4/8 8. Net J 4-7 THREE PHASE HI 25/50kW | Installer Manual...

  • Page 64: Advanced Function Setup

    5.18. Advanced Function Setup System selfcheck: Disable. this is only for the factory. Signal ISLAND MODE: If "Signal island mode" is checked and When the inverter is in off-grid mode, the relay on the Neutral line (load port N line) will switch ON then the N line (load port N line) will bind to the inverter ground.

  • Page 65: Grid Power

    5.19. 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’ icon on the home page. TOTAL TOTAL THREE PHASE HI 25/50kW | Installer Manual...

  • Page 66: Advanced Settings For Wind Turbines

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

  • Page 67: Advanced Settings For Auxiliary Load

    Most wind turbines are three-phase PM type. Therefore, either a wind turbine controller or a direct connec- tion 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 battery ( 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 68 For Gen Input mode: Gen Input: Tick this box if using a Generator. Allowed Max. power from diesel generator. Peak shaving power: This is a technique used to reduce electrical power consumption during periods of maximum demand on the utility grid. This enables the user to save substantial amounts of money due to the expensive peak power charges.
  • Page 69 For Aux Load Output mode: Aux Load Output: This mode utilizes the Gen input connection as an output which only receives power when the battery SOC and PV power is above a user programmable threshold. For Example: Power=500W, ON: 100%, OFF=95%. When the PV power exceeds 500W, and battery bank SOC reaches 100%, Smart Load Port will switch on automatically and power the load connected.

  • Page 70: Operation Modes

    6. Operation Modes 6.1. Mode I: Basic 6.2. Mode II: With Generator THREE PHASE HI 25/50kW | Installer Manual...

  • Page 71: Mode Iii: With Smart-Load

    6.3. Mode III: With Smart-Load 6.4. Mode IV: AC Couple THREE PHASE HI 25/50kW | Installer Manual...

  • Page 72: Fault Codes

    4. Generally, it will desappear automatically when shows F13; 5. If it remains same, turn on DC and AC switches for one minute, then turn on the DC and AC switches; 6. Seek help from Sunsynk. THREE PHASE HI 25/50kW | Installer Manual...
  • Page 73 1. Check the PV side cable ground connection; GFCI_Failure 2. Restart the system 2-3 times; 3. If the fault still existing, please contact Sunsynk. AC Slide over current fault. 1.Check if the backup load power is within the range of the Tz_Ac_Overcurr_Fault inverter.
  • Page 74 Error Code Description Solutions 1. When in parallel mode, check the parallel communication cable connection and hybrid communication address set- tings. Parallel_Comm_Fault 2. During the parallel system startup period, inverters will re- port F29. When all inverters are in ON status, it will disappear automatically;...
  • Page 75 Error Code Description Solutions 1. Check the battery 1 terminal voltage is high; 2. Restart the inverter 2 times and restore the factory set- BAT1_VoltHigh_Fault tings; 3. Seek help from us, if can not go back to normal state. Battery low voltage 1.
  • Page 76 Chapter 3, ‘Technical Specifications’. If you need further help please refer to the Sunsynk website where you will find training videos and frequent- ly asked questions www.sunsynk.com.

  • Page 77: Commissioning

    8. COMMISSIONING 8.1. Start-Up / Shutdown Procedure The inverter must be installed by a qualified / licensed electrical engineer in accordance with the country's 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 78: Gdfi Fault

    Ensure you are familiar This is the heart of the with this, if you fully under- See section ‘Program system this controller stand the controller you Charge / Discharge Times’ everything will fully appreciate the ca- pabilities of there inverter If paralleling inverters in 3 Phase check you phase If using a wind turbine...
  • Page 79 APPENDIX A Definition of RJ45 Port Pin for BMS1 RS485 Pin 485_B 485_A GND_485 CAN_H1 CAN_L1 GND_485 485_A 485_B Definition of RJ45 Port Pin for BMS2 RS485 Pin 485_B 485_A GND_485 CAN_H2 CAN_L2 GND_485 485_A 485_B Definition of RJ45 Port Pin for Meter Meter-485 Pin Meter-485_B Meter-485_A...
  • Page 80 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 THREE PHASE HI 25/50kW | Installer Manual...
  • Page 81 ƒ Secondary output cable length is 4m. ƒ 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 sunsynkofficial THREE PHASE HI 25/50kW | Installer Manual...
  • Page 82 Email us: sales@sunsynk.co m Tel# 852-2884-4318 VAT Number: 175669460 HK Address: Unit 702-704, 7/F., Texwood Plaza, 6 How Ming Street, Kwun Tong, Kowloon, Hong Kong. wered by...

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