SunSynk SUNSYNK MAX User manual
SUNSYNK MAX
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
USER MANUAL
v.11 (04/04/23) PLEASE RETAIN FOR
FUTURE REFERENCE
SUNSYNK MAX | User Manual2
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. Product Overview 7
2.2. Product Size 8
2.3. Product Features 9
2.4. Basic System Architecture 10
3. TECHNICAL SPECIFICATIONS 11
4. INSTALLATION 13
4.1. Parts List 13
4.2. Selecting the Mounting Area 14
4.3. Mounting the Inverter 15
4.4. Battery Connection 16
4.4.1. Function Port Denition 18
4.4.2. Recommended DC Battery Protection 19
4.5. Connecting a Lithium Battery 19
4.6. Battery Temperature Sensor Connection 21
4.7. Connecting the AC 22
4.7.1. Recommended AC Surge Protector 23
4.8. PV Connection 24
4.8.1. PV module selection 24
4.8.2. PV module wiring 24
4.8.3. PV Protection 25
4.9. Installing the CT Coil 25
4.10. Earth Connection (MANDATORY) 27
4.11. Meter Connection 28
4.11.1. System Connection for the CHNT Meter 28
4.12. Wiring System for Inverter 29
4.13. Single-Phase Parallel Connection Diagram 30
4.14. Single-Phase Parallel with Diesel Generator Connection Diagram 31
4.15. Diesel Generator Connection Diagram 32
SUNSYNK MAX | User Manual3
5. OPERATION 33
5.1. Switching ON/OFF 33
5.2. Display 33
5.2.1. LED indicators 33
5.2.2. Function buttons 33
5.3. LCD operation ow chart 34
5.4. Home page 35
5.5. Status Page 35
5.6. System Flow Page 36
5.7. Setup Page 37
5.8. Basic Setup 38
5.8.1. Set Time (Clock) 38
5.8.2. Set Company Name / Beeper / Auto dim 38
5.8.3. Factory Reset and Lock Code 39
5.9. Battery Setup Page 40
5.10. Generator & Battery Page 41
5.11. Battery Discharge Page 43
5.12. Setting Up a Lithium Battery 45
5.13. Program Charge & Discharge Times 51
5.14. Grid Supply Page 55
5.15. Advanced Settings for Paralleling Inverters 59
5.16. Connecting the DRM’s 62
5.17. Advanced Function Setup 63
5.18. Solar Power Generated 63
5.19. Grid Power 64
5.20. Advanced Settings for Wind Turbines 65
5.21. Advanced Settings for Auxiliary Load 66
6. OPERATING MODES 69
6.1. Mode I: Basic 69
6.2. Mode II: With Generator 69
6.3. Mode III: With Smart Load 70
6.4. Mode IV: AC Couple 70
7. Fault Codes 72
8. COMMISSIONING 76
8.1. Start-Up / Shutdown Procedure 76
SUNSYNK MAX | User Manual4
8.2. Information for Commissioning the Inverter 76
8.3. GDFI Fault 77
9. MAINTENANCE 77
APPENDIX A 78
APPENDIX B 79
APPENDIX C 79
APPENDIX D 79
APPENDIX E 79
SUNSYNK MAX | User Manual5
1. SAFETY
This device should only be used in accordance with the instructions within this manual and in compli-
ance with local, regional, and national laws and regulations. Only allow this device to be installed, oper-
ated, maintained, and repaired by other people 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.
SUNSYNK MAX | User Manual6
1.3. Safety Instructions
WARNING
HIGH LIFE RISK DUE TO FIRE OR ELECTROCUTION.
The Sunsynk Max can only be installed by a qualied licensed electrical contractor. This is not a DIY
product.
This chapter contains important safety and operating instructions. Read and keep this manual for future
reference.
Before using the inverter, please read the instructions and warning signs of the battery and correspond-
ing sections in the instruction manual.
Do not disassemble the inverter. If you need maintenance or repair, take it to a professional service
center.
Improper reassembly may result in electric shock or re.
To reduce the risk of electric shock, disconnect all wires before attempting any maintenance or cleaning.
Turning o the unit will not reduce this risk.
Never charge a frozen battery.
For optimum operation of this inverter, please follow the required specications to select the appropri-
ate cable size. It is very important to operate this inverter correctly.
Be very cautious when working with metal tools on or around batteries. Dropping a tool may cause a
spark or short circuit in batteries or other electrical parts, even causing an explosion.
Please strictly follow the installation procedure when you want to disconnect AC or DC terminals.
Please refer to this manual's "Installation" section for details.
Grounding instructions - this inverter should be connected to a permanent grounded wiring system. Be
sure to comply with local requirements and regulations to install this inverter.
Never cause AC output and DC input to short-circuit. Do not connect to the mains when DC input short
circuits.
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.
SUNSYNK MAX | User Manual7
2. PRODUCT INTRODUCTION
The Sunsynk MAX is the most powerful low-voltage inverter in the world, achieving a maxium output power
of 16kW and battery charge current of 300A. This power management tool allows the user to hit those ‘par-
ity’ 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. Product Overview
1. Inverter Indicators 6. Modbus(RS-485) Port 11. PV input with two MPPT
2. LCD Display 7. Parallel port 12. Generator input
3. Function Buttons 8. Battery input connectors 13. Load
4. DC Switch 9. Functon Port 14. Grid
5. Power on/o button 10. Battery(CANBus) Port 15. WiFi Interface
SUNSYNK MAX | User Manual8
2.2. Product Size
SUNSYNK MAX | User Manual9
2.3. Product Features
INTERACTIVE
Supporting Wi-Fi or GSM monitoring
Visual power ow screen
Parallel / multi invert function grid-tied and o-grid
COMPATIBLE
Compatible with main electrical grid voltages or power generators
Self-consumption and feed-in to the grid
Auto restart while AC is recovering
Auto earth bond feature (Via a relay)
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 the application
Congurable AC / solar / generator charger priority by LCD setting
SECURE
Overload/over-temperature/short-circuit protection
Smart battery charger design for optimized battery protection
Limiting function installed to prevent excess power overow to grid
ACDC AlarmNormal
Colorful touch LCD, IP65 protection degree
DC couple and AC couple to retrot existing solar system
Max. 16 inverters in parallel; Support multiple batteries parallel
Max. charging/discharging current of 300A
16kW super hybrid inverter
Support storing energy from diesel generator
275
16
16
SUNSYNK MAX | User Manual10
2.4. Basic System Architecture
The following illustraton shows basic applicaton of this inverter.
It also includes following devices to have a Complete running system.
Generator or Utlity
PV modules
Consult with your system integrator for other possible system architectures depending on your require-
ments.
This inverter can power all kinds of appliances in home or once environment, including motor type applianc-
es such as refrigerator and air conditioner.
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