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ECCO 

HYBRID INVERTER

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 / [email protected]

USER MANUAL

v.5 (12/09/22)

SUN-3.6/5/6/7.6/8K-SG05LP1-EU

Summary of Contents for ECCO SUN-3.6K-SG05LP1-EU

Page 1: ...bal 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 sunsynk com USER MANUAL v 5 12 09 22 SUN 3 6 5 6 7 6 8K SG05LP1 EU ...

Page 2: ...nnection 18 4 6 1 Recommended DC Battery Protection 19 4 7 Connecting a Lithium Battery 20 4 8 Battery Temperature Sensor Connection 20 4 9 Connecting the AC 22 4 9 1 Recommended AC Surge Protector 23 4 10 Installing the CT Coil 24 4 11 Earth Connection MANDATORY 25 4 12 Meter Connection 26 4 12 1 System Connection for the CHNT Meter 26 4 13 Wiring System for Inverter 27 4 14 PV Connection 28 4 14...

Page 3: ...harge Discharge Times 49 5 15 Grid Supply Page 51 5 16 Connecting the DRM s 52 5 17 Advanced Settings for Paralleling Inverters 53 5 18 Solar Power Generated 56 5 19 Grid Power 56 5 20 Advanced Settings for Wind Turbines 57 5 21 Advanced Settings for Auxiliary Load 58 5 22 Advanced Settings for Peak Shaving 59 5 23 Fault Codes 60 6 OPERATING MODES 63 6 1 Mode I Basic 63 6 2 Mode II With Generator ...

Page 4: ...ECCO SG04LP1 User Manual 4 APPENDIX A 68 APPENDIX B 69 APPENDIX C 69 APPENDIX D 69 APPENDIX E 70 ...

Page 5: ...om a physical or mental impairment that would affect 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 p...

Page 6: ...nce 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 off since the system can still have residual energy so an electric shock may occur Therefore after turning off the power always wait 5 minutes before touching electrical ...

Page 7: ...urbines 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 off grid UPS Configurable battery charging current voltage based on applications by LCD setting Configurable AC solar generator charger prior...

Page 8: ...arallel port 14 PV input with two MPPT 3 Function Buttons 9 Function Port 15 Battery 4 Battery Input Connectors 10 RS 485 Port 16 Temperature sensor 5 BMS 485 Port 11 Generator input 17 WiFi Interface 6 BMS CAN Port 12 Load 18 Fan Note For some hardware versions it doesn t have this fan ...

Page 9: ...ECCO SG04LP1 User Manual 9 2 1 Product Size ...

Page 10: ...des 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 ...

Page 11: ...0 425V PV Input Current 13A 13A 26A 26A Max PV Isc 17A 17A 34A 34A No of MPPT Strings Per MPPT 2 1 1 AC Output Data Rated AC Output and UPS Power 3600W 5000W 6000W 7600W 8000W Max AC Power 3690W 5500W 6600W 8360W 8800W Peak Power off grid 2 times of rated power 10 S AC Output Rated Current 16 4A 22 7A 27 3A 34 5A 36 4A Max AC Current 18A 25A 30A 38A 40A Max Continuous AC Passthrough 35A 30A 50A Ou...

Page 12: ...126 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 General Data Operating Temperature Range 45 60 C 45 C Derating Cooling Natural Cooling Noise 30dB Communication with BMS RS485 CAN Weight 20 5kg Size 330W x 580H x232D mm Protection Degree IP65 Installation Style Wall mounted Warranty 5 years ...

Page 13: ...O SG04LP1 User Manual 13 4 INSTALLATION 4 1 Parts List Check the equipment before installation Please make sure nothing is damaged in the package You should have received the items in the following package ...

Page 14: ...y affect the equipment such as sulphuric gas chlorine gas acid or alkali These can cause the copper pipes and brazed joints to corrode and fail to conduct elec tricity reliably Areas that can cause combustible gas to leak which contains suspended carbon fibre or flammable dust or volatile inflammable such as paint thinner or gasoline Areas where there may be gas leaks and where gas may settle arou...

Page 15: ... to the front 4 3 System Diagram ALSO CONSIDER Installing the indoor unit outdoor unit power supply cable transmission cable and remote control cable at least 1 metre away from any television or radio receiver This will prevent TV reception interference or radio noise This will prevent radio signal interference from external units that might interfere with the Wi Fi or GSM monitoring If children u...

Page 16: ...4LP1 User Manual 16 WARNING Risk of injury Heavy Object Remember that this inverter is heavy so users must be careful in handling the unit during installation especially when mounting or removing it from a wall ...

Page 17: ...ECCO SG04LP1 User Manual 17 4 5 Function Port Definition ...

Page 18: ...e battery cable with correct connector which can well fit into the battery termi nals 2 Use a suitable screwdriver to unscrew the bolts and fit the battery connectors in then fasten the bolt by the screwdriver make sure the bolts are lightened with torque of 5 2 N M in clockwise direction 3 Make sure polarity at both the battery and inverter is correctly connected 4 In case of children touch or inse...

Page 19: ...CAUTION All wiring connecting must be performed by qualified personnel Before making the final DC con nection or closing the DC Breaker disconnection device ensure the inverter unit is wired correctly A reverse polarity connection on the battery will damage the inverter ...

Page 20: ...onfiguration of master and slave PLEASE NOTE Depending on the battery type the inverter should be capable of controlling the batteries BMS There fore you need to set the protocol of the BMS on both the battery and the inverter When using more than one battery the first battery will be the master and the other batteries will be the slaves Please check the battery manufacturer s specifications for p...

Page 21: ...ECCO SG04LP1 User Manual 21 ...

Page 22: ...s of Practices Ensure that suitable disconnection devices and RCDs are fitted Please follow the steps below to implement GRID LOAD and GEN port connections 1 Before making GRID LOAD and GEN port connections make sure to turn off the AC breaker or discon nector first 2 Remove a 10mm sleeve from each wire unscrew the bolts insert the wires according to the polarities indicated on the terminal block ...

Page 23: ...ECCO SG04LP1 User Manual 23 4 9 1 Recommended AC Surge Protector ...

Page 24: ...e on the main fuse feeding the building and run the cable back to the inverter If using an external meter you can extend the cable for more than 10 metres Plese consult the meter manual on distance Connect the other end of the CT coil into the inverter terminals marked as CT coil If the CT coil is fitted in the wrong way then this variable will have neg ative instead of positive values when the po...

Page 25: ...permanent earth wire since this can cause faults with an RCD before the inverter Since the inverter is a true hybrid then the bond must only be made when the inverter is operating in Island ing Mode To accommodate this Sunsynk provides an AC output which is connected to the A T S connec tions whenever the inverter is running on Island Mode Therefore you can simply connect the coil of an AC relay t...

Page 26: ...ECCO SG04LP1 User Manual 26 4 12 Meter Connection 4 12 1 System Connection for the CHNT Meter ...

Page 27: ...ECCO SG04LP1 User Manual 27 4 13 Wiring System for Inverter ...

Page 28: ...Circuit Voltage Voc of PV modules should be higher than the minimum start voltage of the inverter 4 14 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 WARNING Please do not connect the PV array s positive and negative poles to the ground This can seriously damage the inverter Before connecting the inverter pl...

Page 29: ...ECCO SG04LP1 User Manual 29 4 Finally insert the DC connector into the positive and negative input of the inverter 4 15 PV Protection ...

Page 30: ...ECCO SG04LP1 User Manual 30 4 16 Single Phase Parallel Connection Diagram 03 02 01 ...

Page 31: ...ECCO SG04LP1 User Manual 31 4 17 Three Phase Parallel Inverter 03 02 01 ...

Page 32: ...ECCO SG04LP1 User Manual 32 4 18 Typical Application Diagram of Diesel Generator ...

Page 33: ...lue of a setting Enter Confirm setting change If not pressed each time the setting will not be saved 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 but ton is...

Page 34: ...Total daily power into the battery kWh Total daily power out of the battery kWh SOC State of charge of the battery Total daily solar power produced in kWh Total hourly usage of the generator Time Total daily power sold to the grid kWh Total daily power bought from the grid kWh Real time solar power in kW Real time load power in kW Real time battery charge power in kW Real time grid power in kW Ser...

Page 35: ...ting the CT coil Inverter Column Showing inverter total power frequency L1 L2 voltage current and power Load Column Showing total load power load voltage and power on L1 and L2 Battery Column Shows total power from the battery battery SOC battery voltage battery current negative means charge positive means discharge battery temperature shows zero if the battery temperature sensor is not connected ...

Page 36: ...n the gear icon on the right top of the navigation menu Serial number Software version Time Date and MCU What this page displays What you can do from this page Access the Basic Setup Page press the BASIC icon Access the Battery Setup Page press the BATTERY icon 0 0 kWh 0 0 kWh 0 0 kWh 0 0 kWh 0 0 kWh 0 0 kWh 85 BATTERY IN OUT MPPT GRID SOLAR TURBINE AC load Battery Grid ...

Page 37: ...ime Clock To set time click on the BASIC icon and then on Time Time Date AM PM What this page displays Adjust set time Adjust set date Adjust set AM PM What you can do from this page How to set up Touch the screen on the box you wish to change Change the number increase decrease using the UP and DOWN buttons Press OK to set the changes 5 8 Set Company Name Beeper Auto dim To set company name click...

Page 38: ...s the Settings click on the gear icon on the right top of the navigation menu 0 0 kWh 0 0 kWh 0 0 kWh 0 0 kWh 0 0 kWh 0 0 kWh 85 BATTERY IN OUT MPPT GRID SOLAR TURBINE AC load Battery Grid Reset status Whether the lock code is used or not What this page displays Reset the inverter to the factory settings System diagnostics Change or set the lock code What you can do from this page Factory Reset Re...

Page 39: ...BMS Max battery charge current Amps Max battery discharge current Amps should be 20 of the Ah rating for AGM only For Lithium please refer to the battery manufacturer s documentation Note This is a global max Discharge current for both grid tied and backup modes of operation If the current exceeds this value the inverter will shut down with an overload fault TEMPCO settings The temperature coeffic...

Page 40: ...on V is for an AGM battery is 57 60V Equalization V for an AGM battery is 58 80V Equalizing charge overcharge to remove sulphate crystals that build up on the plates over time on lead acid batteries What you can do from this page Tick Gen Charge to charge the batteries from the gen I P Tick Grid Charge to charge the batteries from the grid I P Tick Gen Signal signal to auto switch a relay box Tick...

Page 41: ...age parameters A generator can either be connected to the Grid side or to the Gen connection When connected to the Grid Input the inverter will consider the power coming from the generator as Grid Supply Users should ensure this power goes to the LOAD only and should not be exported to other outlets as this will damage the gen erator An advantage of connecting the generator to the Grid Input is th...

Page 42: ...ECCO SG04LP1 User Manual 42 5 12 Battery Discharge Page To configure inverter s shutdown settings click on the BATTERY icon and then on Shut Down ...

Page 43: ...er to enter standby mode It does not entirely 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 Since the batteries are 48V the figure on the left is x4 Fully Charged 50 54V Discharge Mode Fully Charged 58 50V Charge Mode 75 Charged 49 60V Disch...

Page 44: ...ing on charger set points and decreases 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 Equalisation This is essentially a controlled overcharge that occurs at the end of the Bu...

Page 45: ...use others PLEASE NOTE 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 bat tery manufacturer specification It is important to refer to the manuals that manufacturers produce for their batteries That way the chance of errors occurring during installa...

Page 46: ... RS485 1 Cut Line 3 6 8 FCIFP48100A RS485 1 SSIFP48100A RS485 1 UZ ENERGY UZ EB51 2 100ALL CAN 0 GenixGreen ESS 5120 RS485 6 ESS 10240 RS485 6 ESS BOX2 RS485 6 ESS BOX3 RS485 6 ESS BOX4 RS485 6 Sunwoda H4850M RS485 7 VISION Group V LFP51 2V100Ah 5KW CAN 13 VLFP51 2V200Ah 5KW CAN 13 Alpha Ess M4856 P CAN 0 SMILE BAT CAN 0 GSL ENERGY GSL051100A B GBP2 CAN 0 GSL051200A B GBP2 CAN 0 GSL051280A B GBP2 ...

Page 47: ...tion Single phase Hybrid Inverter Comm version is E41E Single phase Hybrid Inverter Comm version is 1001 E016 48NPFC100 RS485 16 48NPFC150 RS485 16 48NPFC200 RS485 16 Deye SUNB 5 0 C01 48 PC CAN 0 SUNB 5 0 E01 48 PC CAN 0 SUNB 5 0 G01 48 PC CAN 0 AOBOET Uhome LFP 5000 CAN 0 Uhome LFP 2400 CAN 0 Wattsonic Li LV battery series CAN 14 KODAK FL5 2 CAN 0 Fox ess LD 48100P RS485 1 PYTES En ergy E BOX 48...

Page 48: ... 72 8K HC CAN 0 CANL Pin 8 Blue Nova Rack Series BN52V 840 43 6K BR CAN 0 BlueNova BMAC Manu al v4 pdf BN52V 1120 58 2K BR CAN 0 Blue Nova Rackpower RacPower BN52 100 5 2K BP CAN 0 RacPower BN52 100 5 2K DU CAN 0 PLEASE NOTE When communications between the battery and inverter do not exist do not overcharge your battery bank current or voltage Many lithium batteries are limited to 100A some are lo...

Page 49: ...oads Solar Export Set the power limits to supply only the loads connected to the LOAD port Priority to Load Only What you can do from this page Set a real time to start and stop charging or discharging the battery Choose to charge the battery from the grid or generator 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 time...

Page 50: ...ower 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 Example This example shows the battery being charged up to 100 by both the Grid and Solar PV from 8 a m to 11 a m and then being able to supply up to 4kW of ...

Page 51: ...ower The inverter is connected to the grid but no export is performed The unit allows small amounts of power to flow from the Grid 100W Zero Export Power to prevent any back flow In this example the solar PV is prioritised to supply the Load first and then subsequently charge the battery 5 15 Grid Supply Page On the Settings Menu click on the GRID icon ...

Page 52: ...Low Set the Maximum Grid Frequency Grid Hz High Set the Minimum Grid Frequency Grid Hz Low Select the correct Grid Type in your local area otherwise the machine will not work or be damaged Select the correct Grid Frequency in your local area This can be selected under advance settings This can be selected under advance settings 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 ...

Page 53: ...ch the inverter will be paralleled 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 paral leled in a single phase utility grid is 16 and the maximum number that can be paralleled in a three phase utility grid is 15 T...

Page 54: ...nd the exact same firmware version IMPORTANT All inverters in a parallel system must have their own isolating load breaker before it goes to the parallel breaker to ensure while programming that the load outputs are isolated from each other Only once confirmed all inverters are programmed correctly in parallel or three phase then only the iso lating breakers can be switched on which then feeds to ...

Page 55: ... one inverter in a parallel mode It can damage the inverter Q4 What are the consequences of having more than one Master Inverter or having no inverter set as Master It can damage the inverter There are cases in which it is possible to have more than one master For exam ple as aforementioned six inverters paralleled in a three phase utility grid three masters Q5 What are the consequences for settin...

Page 56: ...d total solar power produced Access this page by clicking on the Solar Turbine icon on the Home Page 5 19 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 System Grid Power Total TOTAL ...

Page 57: ...e maximum current depending on the voltage of the wind turbine Voltage V Max Current A Power W 150 23 33 3500 200 17 50 3500 250 14 00 3500 300 11 67 3500 400 8 75 3500 PLEASE NOTE DO NOT use a wind turbine that exceeds 400V Use a self breaking wind turbine Once the batteries are fully charged and the inverter is not exporting any power the load can drop This can cause the turbine to speed up dram...

Page 58: ...e output Most wind turbines are three phase PM type Therefore either a wind turbine controller or a direct connec tion to the MPPT via a simple protection circuit will be required 5 21 Advanced Settings for Auxiliary Load To configure Auxiliary Load previously known as smart load settings click on the AUX LOAD icon What this page displays Use of the Gen Aux input or output What you can do from thi...

Page 59: ... Zero Export Tick this box to stop exporting power produced by the Aux Load Gen Peak Shaving Tick this box to use peak power shaving 5 22 Advanced Settings for Peak Shaving To configure Peak Power Shaving function click on the AUX LOAD icon What this page displays Generator peak shaving is ON or OFF Peak Power Shaving value What you can do from this page Switch on the generator and or grid peak po...

Page 60: ...d indicator status displayed on the LCD with as much detail as possible 5 Owner s contact information Error Code Description Solutions F13 Working Mode Change Inverter work mode changed 1 Reset the inverter 2 Seek help from Sunsynk F18 AC over current fault or hardware AC Slide over current fault 1 Check if the backup load power is within the range of the inverter 2 Restart and check if it is norm...

Page 61: ...1 Check if the frequency is in the range of specification 2 You may need to adjust the frequency on the grid set up page F48 DC bus bar voltage is too low Battery low voltage 1 Check if the battery voltage is too low 2 If the battery voltage is too low use the PV or grid to charge the battery 3 Check the battery BMS Important Especially with Lithium batteries ensure that the bat teries Max dischar...

Page 62: ...op_Fault F54 AC_C_InductCurr_DcHigh_Fault F23 Tz_GFCI_OC_Fault F55 DC_VoltHigh_Fault F24 DC_Insulation_Fault F56 DC_VoltLow_Fault F25 DC_Feedback_Fault F57 AC_BackFeed_Fault F26 BusUnbalance_Fault F58 AC_U_GridCurr_High_Fault F27 DC_Insulation_ISO_Fault F59 AC_V_GridCurr_High_Fault F28 DCIOver_M1_Fault F60 AC_W_GridCurr_High_Fault F29 AC_AirSwitch_Fault F61 AC_A_InductCurr_High_Fault F30 AC_MainCo...

Page 63: ...ECCO SG04LP1 User Manual 63 6 OPERATING MODES 6 1 Mode I Basic 6 2 Mode II With Generator ...

Page 64: ...ECCO SG04LP1 User Manual 64 6 3 Mode III With Smart Load 6 4 Mode IV AC Couple ...

Page 65: ...ECCO SG04LP1 User Manual 65 ...

Page 66: ... RCD and earth leakage tests checked that the solar panel Voc voltage does not exceed 480V and checked the battery voltage Power ON Sequence 1 Switch on AC 2 Press Start Button 3 Switch on Battery and battery breaker 4 Switch on the DC PV Isolator Shutdown Sequence 1 Switch off AC 2 Press the start button 3 Switch off the battery and the battery breaker 4 Switch off the DC PV isolator 7 COMMISSION...

Page 67: ...is with in the C rating of the battery Too high will damage the battery Check the battery BMS is communicating with the inverter This is the heart of the system this controller everything Ensure you are familiar with this if you fully un derstand the controller you will fully appreciate the capabilities of there inverter See section Program Charge Discharge Times This is for paralleling sys tems a...

Page 68: ...st twice a year for dusty environments this may need to be carried out weekly all the cooling fans air ducts are cleaned and dust free Check if there are no fault codes and Lithium battery communication is correct Weekly cleaning statement Suggest micromesh filters as an available option micro ants here are a real problem APPENDIX A Protocol Description CAN Pin 2 GND Pin 4 CAN H Pin 5 CAN L Pin 2 ...

Page 69: ...evices RCDs An RCD dedicated for an Inverter Energy System IES may be used to meet the mechanical cable protection requirements of AS NZS3000 for the cable from the switchboard to the IES If an RCD is installed the engineer must 1 Disconnect all live conductors including both active and neutral conductors and 2 Be of the type specified in the inverter manufacturer s instructions or as labelled on ...

Page 70: ...on for the Data Logger please refer to the App User instructions The Data Logger should be connected to the bottom of the inverter via the connection socket marked WIFI For more information training videos software upgrades help line forum please refer to http www sun synk com Tech Support Do not forget to register first on the website Sunsynk energysolutions sunsynkofficial Earth leakage protecti...

Page 71: ...Ltd wered by Po ...

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