Sungrow SG2K-S User Manual Download Page 1

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SG2-8K-UEN-Ver13-202003 Version

：

1.3

User Manual

SG2K-S / SG2K5-S / SG3K-S/

SG3K-D / SG5K-D / SG8K-D

PV Grid-Connected
Inverter

Summary of Contents for SG2K-S

Page 1: ...SG2 8K UEN Ver13 202003 Version 1 3 User Manual SG2K S SG2K5 S SG3K S SG3K D SG5K D SG8K D PV Grid Connected Inverter...

Page 2: ......

Page 3: ...in this document are owned by their respective owners Software Licenses It is prohibited to use data contained in firmware or software developed by SUNGROW in part or in full for commercial purposes...

Page 4: ...ll be referred to as inverter hereinafter unless otherwise specified Target Group This manual is intended for qualified personnel who are responsible for the installation and commissioning of the inve...

Page 5: ...hazard with a medium level of risk that if not avoided could result in death or serious injury Indicates a hazard with a low level of risk that if not avoided could result in minor or moderate injury...

Page 6: ...2 4 LCD Panel 7 2 3 Function Description 8 2 3 1 Basic Function 8 2 3 2 External Demand Response 8 2 3 3 Reactive Power Regulation 9 2 3 4 Power Quality Response 9 3 Unpacking and Storage 10 3 1 Unpa...

Page 7: ...ction 24 5 5 1 AC Side Requirements 24 5 5 2 Assembling the AC Connector 25 5 5 3 Installing the AC Connector 26 5 6 DC Cable Connection 27 5 6 1 PV Input Configuration 28 5 6 2 Assembling the PV Conn...

Page 8: ...12 Arc Detection 50 7 6 Starting Stopping the Inverter 50 7 7 Viewing the Error Record 50 7 8 Setting the Time 50 7 9 Setting the Country 51 7 10 Viewing Device Info 53 8 System Decommissioning 54 8...

Page 9: ...cover all the precautions that should be followed Perform operations considering actual onsite conditions SUNGROW shall not be held liable for any damage caused by violation of the safety instruction...

Page 10: ...rter damage or personal injury Do not pull out the PV connectors and AC connector when the inverter is running Disconnect the AC circuit breaker and set the DC load break switch of the inverter to OFF...

Page 11: ...nnect the inverter from all the external power sources before service Do not touch live parts until 10 minutes after disconnection from the power sources There is a danger from a hot surface that may...

Page 12: ...ed with PV strings of protection class II in accordance with IEC 61730 application class A It is not permitted for the positive pole or the negative pole of the PV strings to be grounded This can caus...

Page 13: ...to ground must be 30 V or less 2 2 Product Introduction 2 2 1 Model Description The model description is as follows Take SG3K S as an example SG 3K S S single MPPT D dual MPPTs Code of power level Cod...

Page 14: ...safely 3 RS485 terminal To connect the communication module such as Wi Fi module 4 Meter DRM terminal Connections to the energy meter and external Demand Response Enabling Device DRED 5 Additional gr...

Page 15: ...anel with a screen an indicator and two buttons is on the front of the inverter 3 1 2 2 Fig 2 4 LCD Panel No Name Description 1 LCD screen Display and access current operating data or change inverter...

Page 16: ...ce from other companies may lead to communication failure or other unexpected damage Further information on the communication module can be found in the respective Quick Installation Guide Earth fault...

Page 17: ...output power of the inverter Q u The reactive power output of the inverter varies in response to the grid voltage 2 3 4 Power Quality Response The inverter supports two power quality response modes P...

Page 18: ...e delivery contents for completeness according to the packaging list Contact SUNGROW or the supplier in case there is any damage or incompleteness Do not dispose of the original packing case It is rec...

Page 19: ...8 Lead 0 8 Lag Max Input Voltage Rated Output Voltage Rated Output Frequency Safety Class Overvoltage Category Enclosure Ambient Temperature P V Fig 3 1 Nameplate of Inverter The image shown here is...

Page 20: ...figures in this document have been created for SG5K D unless otherwise specified b The documents include the Quick User Manual quality certificates packaging list and product test reports c One or two...

Page 21: ...rature should be always between 30 C and 85 C and the storage relative humidity should be always between0 and 100 non condensing In case of stacking storage the number of stacking layers should never...

Page 22: ...ng the inverter Improper operation may cause injuries serious wounds or bruise System performance loss due to bad ventilation Keep the heat sinks uncovered to ensure heat dissipation performance Wear...

Page 23: ...d snow The inverter should be well ventilated Ensure air circulation Never install the inverter in living areas The inverter will generate noise during operation affecting daily life 4 2 2 Carrier Req...

Page 24: ...requirement and multiple installation 400 mm 400 mm 400 mm 800 mm For multi row installation the distance between two adjacent rows should be at least 400 mm 4 3 Installation Tools Installation tools...

Page 25: ...ated shoes Vacuum cleaner Heat shrink tubing Installation tools recommended Heat gun Hammer drill Drill bit 10 Rubber mallet Electric screwdriver Tool bit M4 Phillips screwdriver Specification M4 Wire...

Page 26: ...bolts 13 mm for M8 bolts 16 mm for M10 bolts 4 4 Installing the Inverter Inverter is installed on the wall by means of wall mounting bracket and the expansion plug sets The expansion plug set shown b...

Page 27: ...ounting bracket Tip When mounting on a post use the upper and lower central holes of the wall mounting bracket 2 Set the wall mounting bracket aside and drill the marked holes The depth of the holes s...

Page 28: ...ck The padlock is purchased by the user if necessary The hole diameter is about 8 mm 5 Remove the waterproof lid from RS485 terminal and install the communication module to the inverter The following...

Page 29: ...t breakers and prevent them from inadvertent reconnection Ensure that all cables are voltage free before performing cable connection Any improper operations during cable connection can cause device da...

Page 30: ...of PV terminals D series three pairs for SG8K D and two pairs for other D inverters 2 RS485 terminal To connect a Wi Fi module 3 Meter DRM terminal The left hole is for meter communication and the rig...

Page 31: ...mmunication cable connection The ground connection of this additional grounding terminal cannot replace the connection of the PE terminal of the AC cable Make sure the two terminals are both grounded...

Page 32: ...s connected to the grid via 3 wires L N and PE Inverter is equipped with the waterproof direct plug in connector which matches the AC terminal at the bottom of the inverter 5 5 1 AC Side Requirements...

Page 33: ...r and the circuit breaker Residual Current Device With an integrated universal current sensitive residual current monitoring unit inside the inverter will disconnect immediately from the mains power o...

Page 34: ...e to N terminal Otherwise unrecoverable damage to the inverter may follow 4 Assemble the housing the terminal block and cable gland Make sure that the rib of the terminal block and the groove on the h...

Page 35: ...ted to the grounding bar Do not connect it to protection devices such as the circuit breaker 5 Pull all the lines outward to check whether they are firmly installed 5 6 DC Cable Connection Electric sh...

Page 36: ...e PV input MPPT Inverter inside Model Total PV Input Power Limit Open circuit Voltage Limit Max current for input connector SG2K S 3000 W 600 V 15 A SG2K5 S 3200 W 600 V 15 A SG3K S 4000 W 600 V 15 A...

Page 37: ...Independent Mode for D inverters except SG8K D MPPT2 MPPT1 Inverter Inside PV input 1 PV input 2 Fig 5 3 Independent Mode for SG8K D Only the current is limited for a single input and the power is no...

Page 38: ...D Prior to connecting the inverter to PV inputs the specifications in the following table should be met Model Total PV Input Power Limit Open circuit Voltage Limit Max current for input connector SG3...

Page 39: ...trical connection Use the MC4 DC terminal within the scope of delivery Damage to the device due to the use of incompatible terminal shall not be covered by the warranty Procedure 1 Strip the insulatio...

Page 40: ...OFF 2 Check the cable connection of the PV string for polarity correctness and ensure that the open circuit voltage in any case does not exceed the inverter input limit of 600 V 480 0 0 Check the posi...

Page 41: ...n For the Wi Fi installation see the last step in section 4 4 Installing the Inverter More detailed information on the RS485 communication module can be found in the respective manual The RS485 termin...

Page 42: ...per and lead the corresponding RS485A B signal cables out Then insert the stripped communication cable into the RJ45 plug in the correct order and crimp it with a crimper 1 8 Tab 5 2 Pin Definitions o...

Page 43: ...plug into the left Meter port until it makes a clicking sound 4 If no external demand response enabling device connected secure the waterproof lid to the inverter bottom with four screws and then fas...

Page 44: ...ble gland and remove the waterproof plug from the right inlet Lead the cable through the cable gland then the right inlet 4 Use the Ethernet crimper to crimp the cable and carefully push all 8 unstrip...

Page 45: ...ion 37 5 Insert the RJ45 plug into the right port DRM until it makes a clicking sound 6 Secure the waterproof lid to the inverter bottom with four screws and then fasten the cable gland 7 Connect the...

Page 46: ...ds 6 All unused terminals at the bottom of the inverter are properly sealed 7 Warning signs and labels are suitably affixed and durable 6 2 Button Function Inverter offers two buttons with multiple fu...

Page 47: ...ac Status 3456W Running Startup 80 3456W Standby Pac Status 5 Observe the status of the indicator Tab 6 2 Indicator Status Description Status Description Green Steady on The inverter is running normal...

Page 48: ...view the active error warning from the main screen Hereinafter referred to as Touch ENT 1 2 s Enter the sub menu or confirm a selection or settings Hereinafter referred to as Press ENT Risk of burns...

Page 49: ...point MPP and feeds the AC power to grid This mode is the normal mode DRMx The inverter is connected to an external demand response enabling device and the DRM switch is set to ON via the LCD menu Tur...

Page 50: ...010 Warning 514 or 7 3 Menu Structure For the running information the power value indicated represents the average value during the time interval The energy yields displayed are indicative only For th...

Page 51: ...t only indicated for the derating in the event of over temperature overvoltage or over frequency 7 5 Advanced Settings 7 5 1 Inputting the Password The parameter settings are protected with a password...

Page 52: ...r Grid Prot Adj 10 Min Over Vtg En Single Multiple Protection Touch ESC to change the value and touch ENT to move the cursor Confirm settings by pressing ENT Confirm settings and scroll pages by press...

Page 53: ...age Protection ON enables the protection function by default The inverter will automatically disconnect from the grid within 3 s when the average voltage for a 10 min period exceeds the set point of 1...

Page 54: ...example Grid Protection Voltage Adjusting All Sungrow s inverters are compliant with the standard AS NZS 4777 related to grid protection requirements In order to work with unstable utility grids inver...

Page 55: ...grid by default ON no power will be exported to the grid Partial part of the export power will be exported to the grid Total Export the export power upper limit of the whole system ON OFF Total Expor...

Page 56: ...power factor The PF ranges from 0 8 leading to 0 8 lagging Leading the inverter is sourcing reactive power to the grid Lagging the inverter is sinking reactive power from the grid PF 1 000 7 5 6 Para...

Page 57: ...ue E total reading value Touch ESC to add the value and Touch ENT to move the cursor Press ENT to confirm the setting The can be changed to by touching ESC The adjustment rangs from 9999 kWh to 9999 k...

Page 58: ...irm turn on Confirm turn off 7 7 Viewing the Error Record Main Screen Press ENT Menu Touch ESC Error Record Press ENT Scroll pages by touching ENT ESC 3 records can be displayed on each page and 20 re...

Page 59: ...ENT ESC to choose the country and press ENT to confirm If the country selected is not in the list please choose Other and then set the protection parameters manually GB DE FR ES BE NL AT AU CN CZ SE K...

Page 60: ...for your reference only Please follow the requirements of local grid standard Tab 7 8 Protective Parameters of Grid Standards Parameter Other Default AG EE EG PN PC WP Over voltage 1 Vmax V 260 0 260...

Page 61: ...and range If you qualified personnel only need to modify the voltage protective parameters please refer to Single Multiple Protection 7 10 Viewing Device Info Main Screen Press ENT Menu Touch ESC Dev...

Page 62: ...nection 5 Rotate DC switch to OFF position and then disconnect all of the PV string inputs 6 Wait at least 10 minutes until the capacitors inside the inverter completely discharge 7 Ensure that the DC...

Page 63: ...o 4 4 Installing the Inverter in reverse steps 3 If necessary remove the wall mounting bracket from the wall 4 If the inverter will be reinstalled in the future please refer to 3 4 Inverter Storage fo...

Page 64: ...lease contact SUNGROW 9 1 2 Errors on the App or LCD Screen If an error occurs the Error state will be shown on the main screen We need the following information to provide you with the best assistanc...

Page 65: ...ts please contact Sungrow Service Dept 006 AC over current The AC output current exceeds inverter allowable upper limit 1 The inverter will resume if the output current falls below the protection valu...

Page 66: ...ltage The grid voltage exceeds the protective value which is higher than the protective value of error 002 stage II 1 Check the model of the AC cables 2 Wait a moment for inverter recovery 3 If the gr...

Page 67: ...r one of the PV strings is short circuited with ground 3 Wait a moment for inverter recovery 4 If the fault occurs repeatedly contact Sungrow Service Dept 041 Leakage current sampling fault 1 Wait a m...

Page 68: ...ective Stop the inverter and disconnect the AC DC cables Check whether the fan duct has been blocked If not replace fans 084 Warning for reverse cable connection of the Sungrow Meter 1 Check whether t...

Page 69: ...e AC connection block nor the second PE terminal on the enclosure is reliably connected Check whether there is a reliable inverter grounding line if there is access to the ground and the fault persist...

Page 70: ...inverter again If the fault persists contact Sungrow Service Dept 514 Abnormal communication warning of the Sungrow Meter Inverter can be normally connected to the grid 1 Check whether the power cabl...

Page 71: ...verter only after removing the fault that impairs safety performance As the inverter contains no component parts that can be maintained never arbitrarily replace any internal components For any mainte...

Page 72: ...feed current to PV string 0 A Output Data Nominal AC output power 2000 W 2500 W 3000 W Max AC output apparent power 2000 VA 2500 VA 3000 VA Max AC output current 9 1 A 11 3 A 13 7 A Max inrush current...

Page 73: ...98 2 98 2 98 2 Max European efficiency 97 2 97 5 97 7 Isolation method Transformerless Ingress protection rating IP65 Power loss in night mode 3 W Pollution degree outside the enclosure 3 Pollution de...

Page 74: ...utput power 3000 W 4999 W 8000 W Max AC output apparent power 3000 VA 4999 VA 8000 VA Max AC output current 13 7 A 21 7 A 34 8 A Max inrush current peak value duration 10A 12 ms 10A 12 ms 25 A 12 ms M...

Page 75: ...efficiency 97 7 98 0 98 0 Isolation method Transformerless Ingress protection rating IP65 Power loss in night mode 3 W Pollution degree outside the enclosure 3 Pollution degree inside the enclosure 2...

Page 76: ...antee Conditions After replacement unqualified products shall be processed by SUNGROW The customer shall give SUNGROW a reasonable period to repair the faulty device Exclusion of Liability In the foll...

Page 77: ...ng information to provide you the best assistance Model of the inverter Serial number of the inverter Error code name Brief description of the problem China HQ Sungrow Power Supply Co Ltd Hefei 86 551...

Page 78: ...com Malaysia Sungrow SEA Selangor Darul Ehsan 6019897 3360 service my sungrowpower com Philippines Sungrow Power Supply Co Ltd Mandaluyong City 639173022769 service ph sungrowpower com Thailand Sungro...

Page 79: ...ow Power UK Ltd Milton Keynes 44 0 0908 414127 service uk sungrow co U S A Mexico Sungrow USA Corporation Phoenix Arizona 1833 7476937 techsupport sungrow na com Vietnam Sungrow Vietnam Hanoi 84 918 4...

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