SunSynk -3.6K-SG01/03LP1 Installer Manual
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SunSynk -3.6K-SG01/03LP1 Installer Manual

Hybrid parity (super) inverter
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HYBRID PARITY
(SUPER) INVERTER
INSTALLER MANUAL
SUNSYNK-3.6K-SG01/03LP1, SUNSYNK-3.6K-SG02LP1, SUNSYNK-5K-SG01/03LP1, SUNSYNK-5K-
SG02LP1, SUNSYNK-8K-SG01LP1, SUNSYNK-8K-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 6.0 (08/04/2021)

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Summary of Contents for SunSynk SUNSYNK-3.6K-SG01/03LP1

  • Page 1 HYBRID PARITY (SUPER) INVERTER INSTALLER MANUAL SUNSYNK-3.6K-SG01/03LP1, SUNSYNK-3.6K-SG02LP1, SUNSYNK-5K-SG01/03LP1, SUNSYNK-5K- SG02LP1, SUNSYNK-8K-SG01LP1, SUNSYNK-8K-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 All these models fall into two cabinet / PCB types 3.6kW / 5.5kW (Small) and 8.8kW (Large): 5.5kW Type: SUNSYNK-3.6K-SG01/03LP1 SUNSYNK-3.6K-SG02LP1 SUNSYNK-5K-SG01/03LP1 SUNSYNK-5K-SG02LP1 8.8kW Type SUNSYNK-8K-SG01LP1 SUNSYNK-8K-SG02LP1...
  • Page 3 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 4 5.13. S ETTING ITHIUM ATTERY 5.14. P ROGRAM HARGE ISCHARGE IMES 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...
  • Page 5 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 6 1.3. Safety Instructions WARNING HIGH LIFE RISK DUE TO FIRE OR ELECTROCUTION. The Sunsynk Single-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 7 PRODUCT INTRODUCTION 2. PRODUCT INTRODUCTION The Sunsynk Single-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 8 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 9 TECHNICAL SPECIFICATIONS 3. TECHNICAL SPECIFICATIONS  SUNSYNK-3.6K-SG01/03LP1 Model SUNSYNK-3.6K-SG01/03LP1 Battery Input Data Battery Type Lead-acid or Lithium-ion Battery Voltage Range 40~60V Max. Charging Current Max. Discharging Current Charging Curve 3 Stages/Equalisation External Temperature Sensor Optional Charging Strategy for Li-Ion Battery...
  • Page 10 Weight 20.5kg Size (Length x Width x Height) 580 x 330 x 208 mm Protection Degree IP65 Warranty 5 years  SUNSYNK-3.6K-SG02LP1 Model SUNSYNK-3.6K-SG02LP1 Battery Input Data Battery Type Lead-acid or Lithium-ion Battery Voltage Range (V) 40~60V Max. Charging Current (A) Max.
  • Page 11 Weight (kg) 20.5 Size (Length x Width x Height) 580 x 330 x 208 mm Protection Degree IP65 Installation Style Wall-mounted  SUNSYNK-5K-SG01/03LP1 Model SUNSYNK-5.5K-SG01/03LP1 Battery Input Data Battery Type Lead-acid or Lithium-ion Battery Voltage Range 40~60V Max. Charging Current 120A Max.
  • Page 12 RS485; CAN Weight 20.5kg Size (Length x Width x Height) 580 x 330 x 208 mm Protection Degree IP65 Warranty 5 years  SUNSYNK-5K-SG02LP1 Model SUNSYNK-5.5K-SG02LP1 Battery Input Data Battery Type Lead-acid or Lithium-ion Battery Voltage Range 40~60V Max. Charging Current 120A Max.
  • Page 13 Weight 20.5kg Size (Length x Width x Height) 580 x 330 x 208 mm Protection Degree IP65 Warranty 5 years  SUNSYNK-8K-SG01LP1 and SUNSYNK-8K-SG02LP1 Model SUNSYNK-8K-SG01LP1 / SUNSYNK-8K-SG02LP1 Battery Input Data Battery Type Lead-acid or Lithium-ion Battery Voltage Range 40~60V Max.
  • Page 14 Euro Efficiency 99.90% Protection PV Arc Fault Detection Integrated (Except European Type) 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...
  • Page 15 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 16 Areas where animals may urinate on the unit or ammonia may be generated.  High altitude areas (over 4000 metres above sea level).  Environments where precipitation or humidity are above 95%  Areas where the air circulation is too low. ...
  • Page 17 Select installation locations that adequate to support the weight of the converter.  Install this inverter at eye-level to allow the LCD to be read anytime.  An appropriate ambient temperature is between -25 ~ 60°C to ensure optimal operation. ...
  • Page 18 Battery connection of the 8kW model  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 19 Recommended DC Surge Protector  4.4. Connecting a Lithium Battery When connecting a Lithium battery, follow the connection steps below and check ‘Setting up a Lithium Battery’ to connect with an inverter. 1) Connect the correct diameter of cable in accordance with the battery manufacture specifications along with recommended safety devices.
  • Page 20 3) Connect the power and communication cables to the inverter correctly. NOTICE When connecting more than one battery, ensure they are set in the configuration of ‘master and slave’. 4.5. Battery Temperature Connection Page | 20...
  • Page 21 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 22 4.6. Connecting the AC Bottom view of the 3.6kW/5.5kW model  Bottom view of the 8kW model  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...
  • Page 23 1) Before making GRID, LOAD, and GEN port connections, make sure to turn off the AC breaker or disconnector first. 2) Remove 10mm sleeve from each wire, unscrew the bolts, insert the wires according to the polarities indicated on the terminal block and tighten the terminal screws. Ensure the connection is complete.
  • Page 24 A figure of the complete system is presented below. 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 25 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 | 25...
  • Page 26 4.8. Earth Connection (MANDATORY) An Earth Cable shall be connected to earth plate on the grid size in order to prevent electric shock if the original protective conductor fails. All neutrals can be linked together to maintain the neutral bond. When Neural Earth bond is required for ‘Off-grid’...
  • Page 27 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 28 2) Open-Circuit Voltage (Voc) of PV modules should be higher than minimum start voltage of the inverter. 4.9.2. PV Module Wiring 1) Switch the Grid Supply Main Switch (AC) OFF. 2) Switch the DC isolator OFF. 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.
  • Page 29 The correct steps in assembling the DC connector are explained below: a) Strip 7mm of the plastic coating off the DC wire and disassemble the connector cap nut. b) Crimp metal terminals with crimping pliers. c) Insert the contact pin into the connector housing until it locks into place. Then screw the cap nut onto the connector housing.
  • Page 30 NOTICE 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.
  • Page 31 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 32 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 33 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 34 110°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 35 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 36 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 37 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 38 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 39 5.10. 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 the inverter will user the capacity value of the BMS. Max battery charge current (Amps).
  • Page 40 5.11. Generator and Battery Page To configure battery charging settings, click on the BATTERY icon and then on ‘Batt Charge’. What this page displays: Generator start voltage/SOC %.  Grid power start voltage/SOC %.  Float V is the voltage at which a ...
  • Page 41 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 42 5.12. Battery Discharge Page To configure inverter’s shutdown settings, click on the BATTERY icon and then on ‘Shut Down’. What this page displays: Inverter shutdown voltage set as  either a voltage or %. Inverter low battery warning set  as either a voltage or %.
  • Page 43 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 44 absorption voltage (between 14.1 VDC and 14.8 VDC, depending on charger set points) and decreasing the current until the battery is fully charged. Float: The charging voltage is reduced to between 13.0 VDC and 13.8 VDC and held constant, while the current is reduced to less than 1% of battery capacity. This mode can be used to maintain a fully charged battery indefinitely.
  • Page 45 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 46 Need confirm CAN_H  CCGX 48Vxxxx CAN_L SACRED  48Vxxxx RS485 Cut Line 3, 6, 8  SOLAX 48Vxxxx  48Vxxxx RS485 UZ-EB51.2-100-  UZ ENERGY  Topakpower 48Vxxxx RS485  Hai Ying HY48050  Re-Power LS4850 Herewin  HY48050 Technology ...
  • Page 47 NOTICE When communications between battery and inverter does 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 48 Limit export power to the grid.  Set the unit to charge the battery from the grid or generator ticking ‘Grid’ or ‘Gen’ and  set what times this needs to occur. Set the time to discharge the unit to the load or export to the grid by unticking ‘Grid’ and ...
  • Page 49 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. Tick this box if you wish to set the solar panels give power to the ‘Load’. If you untick this box the solar will send power to charge the batteries.
  • Page 50 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 51 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. When the voltage reaches to 260V, its output power will decrease to 20% of P start. DRMs, logic interface for AS/NZS 4777.2: 2015, is used to receive and response commands from grid company and then adjust inverter output power.
  • Page 52 100% of nameplate reactive 100% of nameplate reactive power capability, absorption power capability, injection - 0.06 of V 0.82 of V V2 - 0.02 of V 44% of nameplate apparent 100% of nameplate reactive power power capability, injection + 0.06 V + 0.02 of V 1.18 of V 44% of nameplate apparent...
  • Page 53 Connecting the DRM’S This can be selected under advance settings. 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.
  • Page 54 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 (10.8kW, 16.5kW, and 26.4kW for the 3.6kW, 5.5kW, and 8.8 kW model, respectively)
  • Page 55 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 56 Q1: What is the sequence to install/connect/commission? 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 57 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 58 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 59 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 60 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 61 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 62 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 63 2. Check if grid cables are correctly connected. Grid voltage fault 1. Check if the voltage is in the range of standard voltage in specification this can be adjusted via the grid AC over frequency set up page. 2. Check if grid cables are correctly connected.
  • Page 64 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 | 64...
  • Page 65 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 66 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 each bond on Check the VOC does Ensure both MPPTs are the solar panels not exceed 480V balanced Measure the supply...
  • Page 67 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 68 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 69  Bottom view of the 8kW model  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 Page | 69...
  • Page 70 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 | 70...

This manual is also suitable for:

Sunsynk-3.6k-sg02lp1Sunsynk-5k-sg01/03lp1Sunsynk-5ksg02lp1Sunsynk-8k-sg01lp1Sunsynk-8k-sg02lp1

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