SunSynk SYNK-3.6K-SG04LP1 User manual

ECCO
HYBRID INVERTER
USER MANUAL
v.21 (12/11/23)
SYNK-3.6K-SG04LP1 / SYNK-5K-SG04LP1
PLEASE RETAIN FOR
FUTURE REFERENCE
www.sunsynk.com
[email protected]
[email protected]

ECCO SG04LP1 | User Manual2
Table of Contents
SAFETY 3
General Safety 3
Symbols/Safety Signs 3
Safety Instructions 5
Product Disposal 5
PRODUCTINTRODUCTION 6
Product Overview 6
Product Size 7
Product Features 8
Basic System Architecture 9
TECHNICALSPECIFICATIONS 10
INSTALLATION 12
Parts List 12
Selecting the Mounting Area 13
Mounting the Inverter 14
Battery Connection 15
Function Port Denition 17
Connecting a Lithium Battery 18
Lead-Acid Battery Temperature Sensor 19
Connecting the AC 20
Recommended AC Surge Protector 21
PV Connection 22
PV Module Selection 22
PV Module Wiring 22
PV Protection 23
Installing the CT Coil 23
Meter Connection 25
Connection for the CHNT Meter 25
Earth Connection (MANDATORY) 26
Wiring System for Inverter 27
Single-Phase Parallel Connection 28
Three-Phase Parallel Inverter 29
OPERATION 30
Switching ON/OFF 30
Display 30
LED Indicators 30
Function Buttons 30
LCD Operation Flow Chart 31
Home Page 32
Status Page 32
System Flow Page 33
Setup Page 34
Basic Setup 35
Set Time (Clock) 35
Set Company Name / Beeper / Auto dim 35
Factory Reset and Lock Code 36
Inverter Remote Control 37
Battery Setup Page 37
Generator & Battery Page 38
Battery Discharge Page 40
Setting Up a Lithium Battery 42
Program Charge & Discharge Times 48
Grid Supply Page 52
Paralleling Inverters Advanced Settings 56
Connecting the DRM’s 59
Advanced Function Setup 60
Solar Power Generated 60
Grid Power 61
Advanced Settings for Wind Turbines 62
Advanced Settings for Auxiliary Load 63
OPERATINGMODES 66
Mode I: Basic 66
Mode II: With Generator 66
Mode III: With Smart Load 67
Mode IV: AC Couple 67
FAULTCODES 69
COMMISSIONING 73
Start-Up / Shutdown Procedure 73
Inverter Commissioning Info 73
GDFI Fault 74
MAINTENANCE 74
APPENDIXA 75
APPENDIXB 76
APPENDIXC 76
APPENDIXD 76
APPENDIXE 76

ECCO SG04LP1 | User Manual3
SAFETY
General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.
Symbols/SafetySigns
This symbol indicates information that if
ignored, could result in personal injury,
physical damage or even death due to
incorrect handling.
CE mark is attached to the solar
inverter to verify that the unit follows
the provisions of the European Low
Voltage and EMC Directives.
Risk of burn. Refer to the operating instructions.
5min
Risk of electric shock.
DO NOT touch the terminal or remove
the shell within 5 minutes after discon-
necting all power.
The UKCA marking is used for products
placed on the market in Great Britain
(England, Scotland and Wales). The
UKCA marking applies to most prod-
ucts for which the CE marking could be
used.
Keep the equipment well-ventilated.
ONLY qualied personnel should install
or perform maintenance work on the
units.
This product's batteries contain an ex-
plosive, self-reactive material that could
blow up when heated.
Warranty Void if Seal is Broken
Be careful when touching the inverter!
It is an electrical product with risk of
electric shock and heating.
Store below 25°C.
Indicates that this product is recyclable. Keep the product out of reach of chil-
dren!
Keep away from open ames and
moisture.
Avoid unsuitable shoes for installing
and operating the inverter.

ECCO SG04LP1 | User Manual4
V DC 48 V
230V
15.70 A
BATTERY INPUT
Battery Discharge Voltage, Battery
Discharge Current, Input Voltage Type,
Battery Discharge Power.
V DC 48 V
230V
15.70 A
AC OUTPUT
Output Voltage, Input Voltage Type, Ac
Output Rated Current, Max AC Current,
Output Frequency, Max AC ISC, Power
Factor & AC Output Rated Power.
V DC 48 V
230V
15.70 A
TEMPERATURE
Ambient, Min & Max.
V DC 48 V
230V
15.70 A
PV INPUT
PV Input Voltage, Number of MPPT's,
MPPT Input Current & Max PV ISC.
V DC 48 V
230V
15.70 A
Net Weight in Kilograms.
V DC 48 V
230V
15.70 A
Protective Conductor Terminal or Earth
Ground Terminal.
V DC 48 V
230V
15.70 A
Single Phase.
V DC 48 V
230V
15.70 A
Three Phase.
V DC 48 V
230V
15.70 A
Inverter DC to AC.
WARRANTYREGISTRATION
Scan the QR code to access our web-
site and sign up for the manufacturer’s
warranty.
MANUALDOWNLOAD
Download the latest version of the
instruction manual by scanning the QR
code.
Do not dispose the device, accesso-
ries, and packaging with regular waste.
Follow local ordinances or contact the
manufacturer for disposal guidance.
V DC 48 V
230V
15.70 A
CONTINUOUS OUTPUT
CURRENT
Maximum Continuous Output Current,
Output Frequency and Voltage, & AUX
(programmable AC output on battery
SOC).
3

ECCO SG04LP1 | User Manual5
SafetyInstructions
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 specications 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.
ProductDisposal
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.
The Sunsynk Ecco Hybrid Inverter can only be installed by a qualied licensed electrical contractor.
This is not a DIY product.

ECCO SG04LP1 | User Manual6
PRODUCT INTRODUCTION
The Sunsynk Ecco Hybrid Inverter is a multifunctional inverter combines the functions of an inverter, solar
charger and battery charger to oer uninterruptible power support with a portable size. Its comprehensive
LCD display oers user-congurable and easily accessible button operations such as battery charging, AC/
solar charging, and acceptable input voltage based on dierent applications.
ProductOverview
1. Inverter Indicators 7. Function Port 13. Power On/O Button
2. LCD Display 8. Parallel Port 14. PV Input with Two MPPT
3. Function Buttons 9. Generator Input 15. Battery
4. Battery Input Connectors 10. Load 16. Temperature Sensor
5. RS485/CAN Port 11. Grid 17. WiFi Interface
6. Meter Port 12. DC Switch
14
15
16
17
12
13
1
2
5
7
9
10
11
8
3
4
6

ECCO SG04LP1 | User Manual7
ProductSize
Inverter Size

ECCO SG04LP1 | User Manual8
ProductFeatures
INTERACTIVE
Easy and simple to understand display
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
Compatible with wind turbines
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
Congurable battery charging - current/voltage based on applications by LCD setting
Congurable 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 overow to grid
APPLICATIONS
Marine (vessel power management)
Power shedding (home/oce/factory)
UPS (fuel-saving systems)
Remote locations with solar and wind generators
Building sites
Military locations
Telecommunication

ECCO SG04LP1 | User Manual9
BasicSystemArchitecture
The following illustration shows the basic application of this inverter.
It also includes following devices to have a complete running system.
Generator or utility
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.

ECCO SG04LP1 | User Manual10
TECHNICAL SPECIFICATIONS
Model SYNK-3.6K-SG04LP1 SYNK-5K-SG04LP1
Battery Input Data
Battery Type Lead-acid or Lithium-ion
Battery Voltage Range 40~60V
Max. Charging Current 90A 120A
Max. Discharging Current 90A 120A
Charging Curve 3 Stages/Equalisation
Number of Battery Input Yes
Charging Strategy for Li-Ion
Battery Self-Adaptation to BMS
PV String Input Data
Max. DC Input Power 7000W 6500W
PV Input Voltage 370V (125V~500V)
MPPT Range 150~425V
Start-up Voltage 125V
Full Load DC Voltage Range 300~425V
PV Input Current 13+13A
Max. PV Isc 17+17A
No. of MPPT / Strings Per MPPT 2/1+1
AC Output Data
Rated AC Output and UPS Power 3600W 5000W
Max. AC Output Power 3960W 5500W
Peak Power (o-grid) 2 times of rated power, 10 S
AC Output Rated Current 16.4/15.7A 22.7/21.7A
Max AC Current 18/17.2A 25/23.9A
Max Continuous AC Passthrough 35A 40A
Output Frequency and Voltage 50/60Hz; L/N/PE 220/230Vac (single phase)
Grid Type Single-Phase
Current Harmonic Distortion THD<3%(Linear load<1.5%)
DC Current Injection <0.5% ln
Eciency
Max. Eciency 97.60%
MPPT Eciency 96.50%
Euro Eciency >99.00%
Protection
Integrated
PV Input Lightning Protection, Anti-islanding Protection, PV String Input
Reverse Polarity Protection,Insulation Resistor Detection, Residual Cur-
rent Monitoring Unit, Output Over Current Protection, Surge protection
Certications and Standards
Grid Regulation CEI 0-21, VDE-AR-N 4105, NRS 097, IEC 62116, IEC 61727, G99, G98,
VDE 0126-1-1, RD 1699, C10-11
Safety EMC / Standard IEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2