SunSynk -6K-SG02LP1 Installer Manual
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SunSynk -6K-SG02LP1 Installer Manual

SunSynk -6K-SG02LP1 Installer Manual

Rack-mounted hybrid parity (super) inverter
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RACK-MOUNTED HYBRID PARITY
(SUPER) INVERTER
INSTALLER MANUAL
SUNSYNK-6K-SG02LP1 / SUNSYNK-7.6K-SG02LP1
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
www.globaltechhk.com
Version 5.0 (05/20/2021)

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Summary of Contents for SunSynk SUNSYNK-6K-SG02LP1

  • Page 1 RACK-MOUNTED HYBRID PARITY (SUPER) INVERTER INSTALLER MANUAL SUNSYNK-6K-SG02LP1 / SUNSYNK-7.6K-SG02LP1 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 www.globaltechhk.com...
  • Page 2 INDEX 1. SAFETY 1.1. G ENERAL AFETY NFORMATION 1.2. S YMBOLS 1.3. S AFETY NSTRUCTIONS 1.4. D ISPOSAL EMARKS 2. PRODUCT INTRODUCTION 2.1. S YSTEM VERVIEW 3. TECHNICAL SPECIFICATIONS 3.1. S YSTEM IAGRAM 4. INSTALLATION 4.1. S ELECTING THE OUNTING 4.2.
  • Page 3 5.15. G – G UPPLY OLTAGE AND REQUENCY UPPLY 5.15.1. R (QV) EACTIVE POWER SETTING 5.15.2. A (VW): CTIVE POWER SETTING 5.15.3. V - VV) ARIABLE 5.16. A DVANCED ETTINGS FOR ARALLELING NVERTERS 5.17. S OLAR OWER ENERATED 5.18. G OWER 5.19.

  • Page 4: General Safety Information

    SAFETY 1. SAFETY 1.1. General Safety Information This device should only be used in accordance o instructions within this manual and  in 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 5: Safety Instructions

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

  • Page 6: Product Introduction

    PRODUCT INTRODUCTION 2. PRODUCT INTRODUCTION The Sunsynk Three-Phase Hybrid Inverter is a highly efficient power management tool that allows 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 7 CONFIGURABLE Fully programmable controller  Programmable supply priority for battery or grid  Programmable multiple operation modes: on-grid/off-grid & UPS  Configurable battery charging - current/voltage based on applications by LCD setting  Configurable AC / solar / generator charger priority by LCD setting ...

  • Page 8: Technical Specifications

    TECHNICAL SPECIFICATIONS 3. TECHNICAL SPECIFICATIONS Model SUNSYNK-6K-SG02LP1 SUNSYNK-7.6K-SG02LP1 Battery Input Data Battery Type Lead-acid or Lithium-ion Battery Voltage Range 40~60V Max. Charging Current 135A 190A Max. Discharging Current 135A 190A Charging Curve 3 Stages/Equalisation External Temperature Sensor Optional Charging Strategy for Li-Ion Battery...

  • Page 9: System Diagram

    3.1. System Diagram Page | 9...

  • Page 10: Installation

    INSTALLATION 4. INSTALLATION 4.1. Selecting the Mounting Area DO NOT install the inverter in the following areas: Areas with high salt content, such as the marine environment. It will deteriorate the  metal parts and possibly lead to water/dampness penetrating the unit. Areas filled with mineral oil or containing splashed oil or steam such as found in ...

  • Page 11: Mounting The Inverter

    ALSO CONSIDER: 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 12: Battery Connection

    CAUTION Risk of injury (Heavy Object) Remember that this inverter is heavy so users must be careful in handling the unit during installation. 4.3. Battery Connection 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.
  • Page 13 CAUTION wiring/connecting must performed qualified personnel. Before making the final DC connection or closing the DC Breaker/disconnection device, ensure the inverter unit is wired correctly. A reverse-polarity connection on the battery will damage the inverter. Recommended DC Surge Protector  4.4.
  • Page 14 NOTICE When connecting more than one battery, ensure they are set in the configuration of ‘master and slave’. 4.5. Battery Temperature Connection Page | 14...
  • Page 15 Without a remote temperature sensor, lead-acid batteries may undercharge or overcharge depending on the ambient temperature of the installation environment. This may result in a fire hazard. NOTICE Depending on the battery type, the inverter should be capable of controlling the batteries BMS.

  • Page 16: Connecting The Ac

    4.6. Connecting the AC GEN/AUX Generator connection. This works like a conventional grid-tied inverter. It is both an input GRID and output connection for non-essential load and supply Connection of essential loads such as lighting, security systems, LOAD and Internet CAUTION All wiring and cable sizes must comply with your particular country’s wiring regulations and Codes of Practices...
  • Page 17 3) Then, insert AC output wires according to polarities indicated on the terminal block and tighten the terminal. Make sure to connect corresponding N wires and PE wires to related terminals as well. 4) Ensure the wires are securely connected. 5) Check that the AC power source is isolated before attempting to connect it to the inverter.
  • Page 18 4.7. Installing the CT Coil The CT coil is one of the most important parts of the Sunsynk Parity 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 19 IMPORTANT If the CT coil is fitted in the wrong way then this variable will have negative instead positive values when the power is flowing into the house/inverter. Also, the inverter export limiting function will not work properly. Page | 19...

  • Page 20: Earth Connection (Mandatory)

    Since the inverter is a true hybrid then the bond must only be made when the inverter is operating in Islanding Mode. To accommodate this, Sunsynk provides an AC output, which is connected to the A/T/S connections whenever the inverter is running on Island Mode.
  • Page 21 NOTICE The grid power may still be present, but the inverter is not draining power from it since the unit is working in ‘Island Mode’. You can verify if there is a voltage when the inverter is disconnected from the grid by using a simple multimeter.
  • Page 22 3) Assemble PV input connector to the inverter. CAUTION Before connection, please ensure the polarity of the output voltage of PV array matched the DC+ and DC- symbols. WARNING Please do not connect the PV array positive and negative pole to the gound. This can seriously damage the inverter.

  • Page 23: Operation

    OPERATION 5. OPERATION 5.1. Display LED indicator Meaning Green LED solid light PV connection normal Green LED solid light Grid connection normal Inverter functioning Normal Green LED solid light 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 24: 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 25: 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: Total solar power produced.  MPPT 1 power/voltage/current.  MPPT 2 power/voltage/current.  Grid power.  Grid frequency.
  • Page 26 110°C. Subsequently, the inverter will shut down to allow it to cool and reduce its temperature. 5.5. System Flow Page Access by clicking on the bar chart on the Home Page. What this page displays: The system flow.  MPPTs power. ...

  • Page 27: 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: Serial number.  Software version.  Time, Date, and MCU.  What you can do from this page: Access the Basic Setup Page (press the BASIC icon).

  • Page 28: Set Time (Clock)

    Access the Grid Setup Page (press the GRID icon).  Access the real-time programmable timer/system mode (press the SYSTEM MODE  icon). Access the advanced settings such as Paralleling and Wind Turbine (press the  ADVANCE icon). Access the auxiliary load/smart load settings (press the AUX LOAD icon) ...
  • Page 29 What this page displays: Beeper status (ON/OFF).  Installers names.  What you can do from this page: Set up your company name.  Switch the beeper ON or OFF.  Set the LCD backlight to auto dim.  How to change the name: Change the letters in each box by moving the arrows up and down and then select OK.
  • Page 30 What this page displays: Reset status.  Whether the ‘lock code’ is used or not.  What you can do from this page: Reset the inverter to the factory  settings. System diagnostics.  Change or set the ‘lock code’. ...
  • Page 31 Max battery discharge current (Amps), which should be 20% of the Ah rating for AGM  only. For Lithium, please refer to the battery manufacturer documentation. Note: This is a global max. discharge current for both ‘grid-tied’ and ‘backup’ modes of operation and if the current exceeds this value inverter will shut down with an overload fault.
  • Page 32 Lithium Follow its BMS voltage parameters Using a generator with a Sunsynk inverter: A generator can either be connected to the Grid side or to the Gen connection. When connected to the Grid Input, the inverter will consider the power coming from the generator as ‘Grid Supply’.
  • Page 33 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 34 Activating Shutdown causes the inverter to enter standby-mode. It does not completely 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 35 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. In theory, this enhances both the discharge and recharging efficiency.
  • Page 36 NOTICE 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 37  SS202 solarmd/sunsynk-and- solar-md/ www.freedomwon.co.za Freedom Lite /storage/2019/09/freedo  Freedomwon Commercial 52V m-lite-commercial- and HV Models installation-manual-rev- 2-september-2019.pdf PINS 1&2 must be  REVOV and 2 life RS485 Swopped at Battery side. Voltage Base Charge SHOTO settings must be used.
  • Page 38  Float voltage 54.5V  Absorption V 55.00V  Disable equalisation 0 B-LFP51.2V  Days Backbone 100Ah and B- LFP51.2V 125Ah  Shutdown 20%  Low Batt 35%  Restart 50% NOTICE When communications between battery and inverter does not exist, do not overcharge your battery bank (current or voltage).
  • Page 39 What this page displays: A setting to prevent the inverter exporting power to the grid - ‘Zero Export’.  The ability to limit power supply to only the household loads - ‘Solar Export’.  Set the power limits to supply only the loads connected to the LOAD port - ‘Priority to ...
  • Page 40 power from the Grid to minimise the tripping of sensitive pre-paid electricity meters if ‘Reverse Power Detection’ occurs. 5. This controls the maximum overall power, both to the ‘Load’ and ‘Grid’ ports combined. It is set to Low if an ‘over-current’ fault occurs 6.
  • Page 41 5.15. Grid Supply Voltage and Frequency – Grid Supply Page On the Settings Menu, click on the GRID icon. What this page displays: Grid frequency setting.  Grid type (normally 230V three-  phase). What you can do from this page: Change grid’s frequency setting ...
  • Page 42 When grid voltage reaches 207V, the inverter will output reactive power at 30% of its rated power. 5.15.2. Active power setting (VW): Example: Setting Vstart: 250V and Vstop=260V. When the grid voltage reaches 250V and gradually increases to 260V, the inverter output power will gradually decrease.
  • Page 43 5.15.3. Volt Variable Mode (Volt-var - VV) When operating in the Volt-var mode and in line with the Reactive Power Capabilities, the Inverter can provide reactive power output as a function of voltage. The parameters of this function are laid out in the below table with minimum and maximum ranges displayed. Nominal Voltage(V 0.95 of V 1.05 of V...
  • Page 44 Connecting the DRM’S This can be selected under advance settings. Page | 44...
  • Page 45 Plug the LAN cable into the socket marked DRMS 1. DRM 1/5 2. DRM 2/6 3. DRM 3/7 4. RDRM 4/8 5. Ref 0 6. D Ground 7. Net J 4-7 8. Net J 4-7 Page | 45...
  • Page 46 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 paralleled in a single phase utility grid is three (18kW and 22.8kW for the 6kW and 7.6 kW model, respectively) and the maximum number that can be paralleled in a three-phase utility grid is nine (54kW and 68.4kW for the 6kW and 7.6 kW model, respectively).
  • Page 47 In this case, please check all settings and data cable. If you need further help please refer to the Sunsynk website where you will find training videos and Frequently Asked Questions www.sunsynk.com. From here you can also update the inverter operating system if required.
  • Page 48 First of all, leave the main supplies off. Next, connect all communication cables, set up all LCDs and then, last of all, turn on the main supplies. Q2: What are the indications that the communication and the system are ok or not? Parallel errors will be shown as fault F46 on the display.
  • Page 49 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’ icon on the home page. 5.19. Advanced Settings for Wind Turbine 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.
  • Page 50 What you can do from this page: Select the MPPT to be used as a turbine input.  The table below shows the maximum current depending on the voltage of the wind turbine. Voltage Max. Current (Amps) Power (W) 23.33 3500 17.50 3500...
  • Page 51 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. This can be done by using a switch on a smart load option or by utilising a wind turbine controller with a built-in dump load.
  • Page 52 Tick this box if intending to connect a supplementary For Micro inverter Input inverter or micro inverter (Max. 4kW). Tick this box to stop exporting power produced by the Aux Zero Export Load. Gen Peak Shaving Tick this box to use peak power shaving. 5.21.

  • Page 53: Fault Codes

    5.22. Fault Codes To check the fault codes click on the FAULT CODES icon on the settings menu. 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 54 Solutions Inverter work mode changed 1. Reset the inverter. Working Mode Change 2. Seek help from Sunsynk. AC Slide over current fault. 1. Check if the backup load power is AC over current fault or hardware within the range of the inverter.
  • Page 55 1. Check if the voltage is in the range of standard voltage in specification this can be adjusted via the grid set up page. 2. Check if grid cables are correctly connected. Grid frequency out of range 1. Check if the frequency is in the range of specification AC lower frequency 2.
  • Page 56 Before leaving the factory, all inverters undergo rigorous testing to ensure the inverter can operate reliably as presented in 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. Page | 56...

  • Page 57: Startup / Shutdown Procedure

    COMMISSIONING 6. COMMISSIONING 6.1. Startup / 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 58 Check each bond on Check the VOC does Ensure both MPPTs are the solar panels not exceed 480V balanced Measure the supply If it falls out of the voltage check it setting range it will See Grid Setup page matches the settings of cause the inverse shut the inverter down and alarm...

  • Page 59: Maintenance

    MAINTENANCE 7. MAINTENANCE The inverter is low maintenance. However, it is important that at least twice a year (for dusty environments this may need to be carried out weekly) all the cooling fans, air ducts are cleaned and dust free. Check if there are no fault codes and Lithium battery communication is correct.
  • Page 60 Earth-leakage protection time delay Instantaneous Appendix E The Sunsynk inverter can be connected to the internet, but you need to add a data logger to do this. The inverter is compatible with Solar Man data-loggers, which you can obtain from us with...
  • Page 61 The Data Logger should be connected to the bottom of the inverter via the connection socket marked WIFI. 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 62 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 Page | 62...

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