SunSynk SYNK-8K-SG04LP3 User guide
v.26 (03/09/23)
INSTALLER MANUAL
SYNK-8K-SG04LP3 / SYNK-10K-SG04LP3 /
SYNK-12K-SG04LP3
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
THREE-PHASE
HYBRID INVERTER
PLEASE RETAIN FOR
FUTURE REFERENCE
THREE PHASE HI 8~12kW | Installer Manual2
PREFACE
This Installer Manual contains information for proper installation, operation, maintenance, and care of the
Sunsynk Three-Phase Hybrid Inverter. A deep understanding of the instructions described in this document
will help you get the most out of your new inverter.
This document should be read thoroughly, and all the procedures described in this manual should be
followed carefully. If you have questions or concerns about this product's operation and maintenance,
please get in touch with our customer support.
All personnel involved in this machine's installation, setup, operation, maintenance, and repair should read
and understand this manual, mainly its safety instructions. Substandard performance and longevity, property
damage, and personal injury may result from not knowing and following these instructions.
In order to ensure long product life, Sunsynk recommends that you utilize the product and perform
maintenance by correctly following the instructions described in this guide. 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 specied in this
operating manual.
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.
Please always keep this manual with the inverter as a reference for everyone using this product.
THREE PHASE HI 8~12kW | Installer Manual3
Table of Contents
1. SAFETY 6
1.1. General Safety 6
1.2. Symbols 6
1.3. Safety Instructions 7
1.4. Disposal Remarks 7
2. PRODUCT INTRODUCTION 8
2.1. System Overview 8
2.2. Product Size 9
2.3. Features 10
2.4. Basic System Architecture 11
3. TECHNICAL SPECIFICATIONS 12
4. INSTALLATION 15
4.1. Parts List 15
4.2. Selecting the Mounting Area 16
4.3. Mounting the Inverter 17
4.4. Function Port Denition 19
4.5. Battery Connection 20
4.5.1. Temperature Sensor Connection for Lead-Acid Battery 21
4.5.2. Connecting the AC and Backup Load Connection 22
4.6. Connecting the CT Coil 24
4.8. Meter Connection 25
4.8.1. System Connection for the CHNT Meter 25
4.7. Earth Connection (MANDATORY) 25
4.9. PV Connection 27
4.9.1. PV Module Selection 27
4.9.2. PV Module Wiring 27
4.10. Wiring System for the Inverter 29
4.11. Wiring Diagram 32
4.12. Typical Application Diagram of Diesel Generator 33
4.13. Three Phase Parallel Connection Diagram 34
THREE PHASE HI 8~12kW | Installer Manual4
5. OPERATION 35
5.1. Display 35
5.2. Switching ON/OFF 35
5.3. Home Page 36
5.4. Status Page 36
5.5. System Flow Page 37
5.6. Setup Page 38
5.7. Set Time (Clock) 39
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 44
5.13. Setting Up a Lithium Battery 46
5.14. Program Charge & Discharge Times 53
5.15. Grid Supply Page 55
5.16. Advanced Settings for Paralleling Inverters 56
5.17. Solar Power Generated 59
5.18. Grid Power 59
5.19. Advanced Settings for Wind Turbines 60
5.20. Advanced Settings for Auxiliary Load 61
5.21. Advanced Settings for Peak Shaving 63
5.22. Fault Codes 63
5.23. Operation Modes 66
5.23.1. MODE I: Basic 66
5.23.2. MODE II: With Generator 66
5.23.3. MODE III: With Smart-Load 67
5.23.4. MODE IV: AC Couple 67
6. COMMISSIONING 68
6.1. Start-Up / Shutdown Procedure 68
6.2. Information for Commissioning the Inverter 68
6.3. GDFI Fault 69
7. MAINTENANCE 69
APPENDIX A 70
THREE PHASE HI 8~12kW | Installer Manual5
APPENDIX B 70
APPENDIX C 70
APPENDIX D 70
APPENDIX E 71
THREE PHASE HI 8~12kW | Installer Manual6
1. SAFETY
This device should only be used in accordance with the instructions within this manual and in
compliance with local, regional, and national laws and regulations. Only allow this device to be installed,
operated, 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.
DO NOT allow minors, untrained personnel, or person(s) suering from a physical or mental impairment
that would aect their ability to follow this manual, install, maintain or repair this device.
Any untrained personnel who might get near this device while it is in operation MUST be informed that it
is dangerous and instructed carefully on how to avoid injury.
1.1. General Safety
1.2. Symbols
WARNING This symbol indicates information that if ignored, could result in personal
injury or even death due to incorrect handling.
CAUTION This symbol indicates information that if ignored, could result in personal
injury or physical damage due to incorrect handling.
PLEASE NOTE Indicates information that is considered important, but not hazard-related.
THREE PHASE HI 8~12kW | Installer Manual7
1.3. Safety Instructions
Be sure to read this manual thoroughly before installation.
Do not attempt to install the inverter by yourself. Installation work must be carried out in compliance
with national wiring standards and by suitably qualied personnel only. Do not turn on the power until all
installation work is complete.
Do not disassemble the inverter. If you need repair or maintenance, contact a professional service cen-
tre.
Always use an individual power supply line protected by a circuit breaker and operating on all wires with
a distance between contacts of at least 3mm for this unit.
The unit must be correctly grounded, and the supply line must be equipped with a suitable breaker and
RCD to protect people.
Disconnect all wires/cables before performing any maintenance or cleaning to reduce the risk of electri-
cal shock.
The unit is not explosion-proof, so it should not be installed in an explosive atmosphere.
Never touch electrical components immediately after the power supply has been turned o since the
system can still have residual energy, so an electric shock may occur. Therefore, after turning o the
power, always wait 5 minutes before touching electrical components.
This unit contains no user-serviceable parts. Always consult an authorised contractor for repairs.
1.4. Disposal Remarks
DO NOT dispose this product with domestic waste!
Electrical devices should be disposed of in accordance with regional directives on electronic and/ or elec-
tronic-waste disposal. In case of further questions, please consult your supplier. In some cases, the supplier
can take care of proper disposal.
WARNING
HIGH LIFE RISK DUE TO FIRE OR ELECTROCUTION.
Sunsynk Three-Phase Hybrid Inverter can only be installed by a qualied licensed electrical contractor.
This is not a DIY product.
THREE PHASE HI 8~12kW | Installer Manual8
2. PRODUCT INTRODUCTION
The Sunsynk Three-Phase Hybrid Inverter is a highly ecient power management tool that allows the user to
hit those ‘parity’ targets by managing power-ow from multiple sources such as solar, mains power (grid) and
generators, and then eectively storing and releasing power as and when utilities require.
2.1. System Overview
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/o button 10. Modbus Port 16. Wi-Fi Interface
5. DC switch 11. BMS Port
6. Parallel port 12. PV input with two MPPT
THREE PHASE HI 8~12kW | Installer Manual9
2.2. Product Size
THREE PHASE HI 8~12kW | Installer Manual10
2.3. Features
INTERACTIVE
Easy and straightforward to understand LCD display;
Supporting Wi-Fi or GSM monitoring;
Visual power ow screen;
Built-in 2 strings for 1 MPP tracker and 1 string for 1 MPP tracker;
Smart settable 3-stage MPPT charging for optimised battery performance;
Auxiliary load function;
Multi-inverter function: grid-tied and o-grid;
COMPATIBLE
Compatible with mains electrical grid voltages or power generators;
Compatible with wind turbines;
230V/400V Three-phase Pure Sine-wave Inverter;
It can power up both single-phase and 3-phase loads;
Self-consumption and feed-in to the grid;
Auto restart while AC is recovering;
Maximum charging/discharging current of 190A (8kW), 210A (10kW), and 240A (12kW);
DC and AC coupled to retrot existing solar system;
Compatible with a 48V low-voltage battery;
CONFIGURABLE
Fully programmable controller;
Programmable supply priority for battery or grid;
Programmable multiple operation modes: on-grid/o-grid & UPS;
Congurable battery charging - current/voltage based on applications by LCD setting;
Congurable AC / solar / generator charger priority by LCD setting;
6 time periods for battery charging/discharging;
SECURE
Overload/over-temperature/short-circuit protection;
Smart battery charger design for optimised battery protection;
Limiting function installed to prevent excess power overow to the grid;
Isolation transformer design;
APPLICATIONS
Marine (vessel power management);
Power shedding (home/oce/factory);
UPS (fuel-saving systems);
Remote locations with solar and wind generators;
Building sites;
Telecommunication;
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