SunSynk ECCO SUN-3K-SG04LP1-24-EU User manual

ECCO
HYBRID INVERTER
Global Tech China Ltd, 3 Floor, Wai Yip Industrial Building.
171 Wai Yip Street, Kwun Tong, Kowloon, Hong Kong.
Tel: [phone] Fax: [phone]
www.sunsynk.com / [email protected]
USER MANUAL
v.11 (04/04/23)
SUN-3K-SG04LP1-24-EU / SUN-3K-SG04LP1-EU
SUN-3.6K-SG04LP1-EU / SUN-5K-SG04LP1-EU
SUN-6K-SG04LP1-EU
PLEASE RETAIN FOR
FUTURE REFERENCE

ECCO SG04LP1 | 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 Denition 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. Meter Connection 27
4.10.1. System Connection for the CHNT Meter 27
4.11. Earth Connection (MANDATORY) 28
4.12. Wiring System for Inverter 29
4.13. Single-Phase Parallel Connection Diagram 30
4.14. Three-Phase Parallel Inverter 31

ECCO SG04LP1 | User Manual3
5. OPERATION 32
5.1. Switching ON/OFF 32
5.2. Display 32
5.2.1. LED indicators 32
5.2.2. Function buttons 32
5.3. LCD operation ow chart 33
5.4. Home page 34
5.5. Status Page 34
5.6. System Flow Page 35
5.7. Setup Page 36
5.8. Basic Setup 37
5.8.1. Set Time (Clock) 37
5.8.2. Set Company Name / Beeper / Auto dim 37
5.8.3. Factory Reset and Lock Code 38
5.9. Battery Setup Page 39
5.10. Generator & Battery Page 40
5.11. Battery Discharge Page 42
5.12. Setting Up a Lithium Battery 44
5.13. Program Charge & Discharge Times 50
5.14. Grid Supply Page 54
5.15. Advanced Settings for Paralleling Inverters 58
5.16. Connecting the DRM’s 61
5.17. Advanced Function Setup 62
5.18. Solar Power Generated 62
5.19. Grid Power 63
5.20. Advanced Settings for Wind Turbines 64
5.21. Advanced Settings for Auxiliary Load 65
6. OPERATING MODES 68
6.1. Mode I: Basic 68
6.2. Mode II: With Generator 68
6.3. Mode III: With Smart Load 69
6.4. Mode IV: AC Couple 69
7. Fault Codes 71
8. COMMISSIONING 75
8.1. Start-Up / Shutdown Procedure 75

ECCO SG04LP1 | User Manual4
8.2. Information for Commissioning the Inverter 75
8.3. GDFI Fault 76
9. MAINTENANCE 76
APPENDIX A 77
APPENDIX B 78
APPENDIX C 78
APPENDIX D 78
APPENDIX E 78

ECCO SG04LP1 | 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) suering from a physical or mental impairment
that would aect 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.