Sungrow SG3KTL-EC User Manual Download Page 1

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SG3_4_5_6KTL-EC-UEN-Ver15-201508 Version

：

1.5

User Manual

SG3KTL-EC / SG4KTL-EC/

SG5KTL-EC / SG6KTL-EC

PV Grid-Connected Inverter

Summary of Contents for SG3KTL-EC

Page 1: ...SG3_4_5_6KTL EC UEN Ver15 201508 Version 1 5 User Manual SG3KTL EC SG4KTL EC SG5KTL EC SG6KTL EC PV Grid Connected Inverter...

Page 2: ......

Page 3: ...out the PV system You will get the additional information about other devices at www sungrowpower com or via the webpage of device manufacturer Target Group The manual is targeted to technical personn...

Page 4: ...ided will result in death or serious injury WARNING indicates a hazard with a medium level of risk which if not avoided could result in death or serious injury CAUTION indicates a hazard with a low le...

Page 5: ...til 10 minutes after disconnection from the utility grid and the PV input Hot surface In order to reduce the risk of burns do not touch the hot surface when the device is running Look over the user ma...

Page 6: ...ng and Storing 12 3 1 Unpacking and Inspecting 12 3 2 Moving the Inverter 12 3 3 Identifying the Inverter 13 3 4 Delivery Contents 14 3 5 Storing the Inverter 15 4 Securing Inverter to the Wall 16 4 1...

Page 7: ...nnection 40 5 7 3 Ethernet Communication Connection 42 5 7 4 Power Control Configuration 45 6 Visiting and Configuring the Webserver 49 6 1 User and Authority 49 6 2 Login Interface 49 6 3 Main Interf...

Page 8: ...enance 68 9 2 2 Maintenance Instruction 69 10 Operating the LCD Menu 70 10 1 Description of Button Function 70 10 2 Inverter Menu Structure 71 10 3 Main Screen 72 10 4 Adjusting Contrast 74 10 5 Viewi...

Page 9: ...11 3 Viewing Information via the APP 91 11 3 1 Acquisition and Installation of the APP 91 11 3 2 SolarInfo Home APP Online Registration 94 11 3 3 Visit in Direct visit mode 95 11 3 4 Visit in Remote...

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Page 11: ...e following general safety instructions must be read and always kept in mind prior to any work All detailed work related safety warnings and notes will be specified at the critical points in correspon...

Page 12: ...or the inner contents or anything missing contact the device dealer During Installation Prior to installing the inverter onto the wall it is crucial to make certain that the inverter is not electrica...

Page 13: ...er is under voltage There is a highly unlikely risk of explosion in very specific cases of fault The enclosure will protect persons and property from such an explosion only if it is correctly sealed T...

Page 14: ...be posted to keep non related persons away in any period while performing electrical connection and service work Any fault that may impair the inverter safety functions must be repaired immediately be...

Page 15: ...y settings can be changed only by service personnel Unauthorized alternation of the country settings is prohibited Otherwise it may cause a breach of the type certificate marking All safety instructio...

Page 16: ...er limit of feed power the inverter will run with power derating once the meter detects that the output power is greater than the set value Any other or additional usage is not permitted except the in...

Page 17: ...mputer interaction interface for looking up running information and configuring parameters 2 Side grips The side grips are designed for holding the unit when mounting moving or servicing the inverter...

Page 18: ...403 518 190 22 SG6KTL EC 403 518 190 22 2 2 3 LCD Display Panel As a human computer interaction interface LCD display panel is on the front panel and comprises LED indicators buttons and LCD screen LE...

Page 19: ...n Communication error permanent fault or upgrade failure Blinking Other faults alarms excluded Off No fault occurs 2 3 Technical Description 2 3 1 Circuit Description Fig 2 5 shows the main circuit of...

Page 20: ...al equipped the inverter can be connected to the router via a network cable or the Wi Fi antenna Then both the inverter information and alarm signals will be uploaded to the cloud server SolarInfo Ban...

Page 21: ...duct Introduction 11 Residual current monitoring DC injection of AC output current surveillance Anti islanding protection DC over voltage protection DC over current protection Power module over temper...

Page 22: ...o store the inverter in the original packaging During unpacking cut green plastic straps and lift full upper part of the carton box Do not cut the sticky tape Fig 3 1 Single Inverter in Original Packa...

Page 23: ...ate of Inverter Image shown here is for reference only Actual product you receive may differ Item Description Item Description 1 SUNGROW logo and product type 3 Marks of certification institutions 2 T...

Page 24: ...l bracket onto concrete wall D Fastener set for installing wall bracket onto metal frame E PV input connectors including positive and negative connectors F Two M4x12 mm screws for second PE connection...

Page 25: ...30 C and 85 C And the storage relative humidity should be always between 0 and 100 It is very important to keep the packing away from chemicals Otherwise it will lead to corrosion During the storage t...

Page 26: ...ity of the wall into account The wall such as concrete wall and metal structure should be strong enough to hold the weight of the inverter over a long period 2 Install the device where is accessible t...

Page 27: ...ation and display reading 6 It is suggested that the inverter be installed vertically with upside up for good heat dissipation 7 Never install the inverter horizontally or with a forward tilt or with...

Page 28: ...ent temperature exceeds 45 C 10 The maximum relative humidity of chosen installation site should never exceed 100 11 Avoid exposing the inverter to direct sunlight rain or snow to extend its service l...

Page 29: ...verter in residential area Noise can be produced during the inverter running and may affect your daily life 4 2 Moving Inverter to Installation Site If the inverter is to be installed remove the devic...

Page 30: ...cket to the concrete wall and metal frame respectively Fig 4 2 Dimensions of Expansion Bolt Set for Concrete Wall unit mm Fig 4 3 Dimensions of Fastener Set for Metal Frame unit mm On Concrete Wall 1...

Page 31: ...3 4 5 6 Fig 4 4 Fasten the Wall bracket against Concrete Wall 6 Lift up the inverter above the wall bracket with the help of other people and then slide down Make sure that the grooves on the back of...

Page 32: ...tion 3 Mark the positions to drill holes by using the wall bracket as the template 4 Drill holes at the marks you have made If the shape of the metal frame does not fit the holes on the wall bracket y...

Page 33: ...n slide down Make sure that the grooves on the back of the inverter and the hooks on the wall bracket engage perfectly The installers must wear gloves to avoid scratches when mounting the inverter Fig...

Page 34: ...dual power supplies It is mandatory for the technical personnel to wear personal protective equipments during the electrical work helmet footwear and gloves 5 1 Overview of Electrical Connection Conn...

Page 35: ...s this device to monitor the whole PV system D Router Switch Used as data transferring device between inverter and the Internet Webserver to monitor the whole PV system E AC circuit breaker Used as a...

Page 36: ...escription 1 Integrated DC switch 2 DC connectors MC4 3 AC connection terminal 4 Wi Fi connection terminal 5 DI connection terminal 6 RS485 connection terminal 7 NET connection terminal 8 Second PE te...

Page 37: ...proval from the local grid company as required should you connect the inverter to the grid AC Side Circuit Breaker An independent three or four pole circuit breaker for the inverter must be installed...

Page 38: ...perated in parallel connection to grid different requirements should be obeyed See technical information Technical notes for multiple paralleled grid connected inverters in the download area of SUNGRO...

Page 39: ...due to high voltage existing inside the inverter Make sure that all the AC cables to the inverter are not live before the electrical work Do not turn on the AC circuit breaker until all electrical con...

Page 40: ...to confirm whether they are installed firmly 6 Combine the two front end parts together with the torque of 2 N m 7 Tighten the water proof terminal with the torque of 5 N m in opposite direction 8 Mak...

Page 41: ...limit Make sure that the maximum open voltage of each string is less than 1000 V Voltage over 1000 V can damage the inverter If the input line is changed such as input line falls off panels configura...

Page 42: ...1000 V 12 4 A DC2 SG6KTL EC DC1 6312 W 1000 V 12 4 A DC2 In independent mode when there is only one PV input the other input may produce induced voltage DO NOT touch the unused DC terminals PV Config...

Page 43: ...All DC cables are equipped with water proof direct plug in connectors which match the DC terminals at the bottom of the inverter The positive and negative connectors are marked with polarity symbols...

Page 44: ...nt DC Connector Assembling Procedure Make sure that all the DC and AC cables to the inverter are not live before the electrical work 1 Strip off 7 mm insulation layer from all DC cables 2 Assemble cab...

Page 45: ...one of the DC or AC cables connected to the inverter is live before the electrical work Make sure that the open circuit voltage does not exceed inverter input limit of 1000 V even under the lowest ope...

Page 46: ...can insert the DC connectors into the input terminals on the bottom of the inverter For the same MPPT reverse connection of a single string is prohibited A permanent failure of the system or inverter...

Page 47: ...ponding terminals until it click locks into place 4 The terminals in DC1 input and DC2 input must be short circuited by Y type cable connector 5 Connect other PV strings in the same procedures if nece...

Page 48: ...the PE cables of all inverters and mounting frame of PV arrays to the same copper bus bar In this way they are in equipotential connection Fig 5 3 Grounding of Inverter 5 6 2 Second Protective Earth...

Page 49: ...erminals are located on the bottom of the inverter There are three optional connection ports on the bottom of the inverter RS485 serial communication with RJ45 port RS485 Ethernet communication with R...

Page 50: ...rter operation information can be transferred via NET port to a PC with monitoring software or to Webserver or to SolarInfo Bank via the router Before communication connection prepare communication ca...

Page 51: ...e torque RS485 Connection Procedure 1 Remove the waterproof lid from the RS485 port 2 Insert the RJ45 plug into the front plug connector until it makes a clicking sound Install the plastic rings then...

Page 52: ...are connected to terminals A and B respectively 7 Verify the communication connection and configure the communication parameters If there is more than one inverter to communicate with a PC or a data...

Page 53: ...verters connected depends on switch router and other factors Please refer to switch s or router s manual to obtain the limit By logging into the Webserver explorer you can view and set the operation p...

Page 54: ...Repeat step 1 to step 3 to connect the other inverters with Network cables 5 Pull cables outwards to confirm whether they are fastened firmly 6 Plug the other end of network cable into the sockets of...

Page 55: ...ation functions of corresponding actions Active power limitation setting 0 100 Reactive power ratio setting 0 100 Power factor setting 0 800 1 000 Start Stop Active power limitation and reactive power...

Page 56: ...o DI terminal block according to the terminal assignment Make sure that all DC or AC cables connected to the inverter are not live before the electrical work 1 Remove the waterproof lid from DI cable...

Page 57: ...tion Remark A Protective layer Accepted cable external diameter ranges from 4 mm to 8 mm B Length of insulation to be stripped off 7 mm C Length of protective layer to be stripped off 60 mm 5 Assemble...

Page 58: ...low 7 Fasten the Thread Lock Sealing Nut to the inverter Before fasten the lid please make sure Whether it s necessary to apply glue on the cut The rubber strip is fully filled with air 8 Fasten the l...

Page 59: ...hen logging out After logging out it will take at most 4s until the user log in again 6 2 Login Interface Query the inverter IP address corresponding to the instructions in 10 9 5 Setting Communicatio...

Page 60: ...ecord grid dispatching system information in which parameter setting and history record have their second level menus 4 Display area Detailed information of the selected navigation bar 6 3 1 Summary I...

Page 61: ...inverter Total runtime Inverter total running time Daily energy Energy yields of the present day Monthly energy Energy yields of the present month Total energy Total energy yields since the inverter...

Page 62: ...ating parameters protection parameters and communication parameters 6 4 1 System Parameters This interface is to set time and energy adjustment 6 4 2 Operating Parameters This interface is for Austria...

Page 63: ...e recovery time insulation resistance active power settings and reactive power regulation To set the Q P or Q U parameters please contact SUNGROW to get the installer authority first 6 4 3 Protection...

Page 64: ...codes such as voltage country single protect stage or multiple protect stage This interface is for Germany and others to select the grid codes such as voltage country single protect stage or multiple...

Page 65: ...meter after exiting Both users and installers can set abovementioned communication parameters 6 5 History Record History record includes the running record fault record and event record 6 5 1 Running...

Page 66: ...ent records can be stored with 10 records in each page 6 6 Power Control Configuration This interface is to set the grid dispatching parameters The different statues of four digital inputs are the con...

Page 67: ...er it can dispatch other salve pieces through the NET port It is recommended to perform grid dispatching as per default setting of each configuration status The change of related parameters must be do...

Page 68: ...is left on the top of the inverter 5 Inverter and accessories are correctly connected 6 Cables are routed in safe place or protected against mechanical damage 7 The selection of AC circuit breaker is...

Page 69: ...rameters as dictated in 10 9 2 Selecting the Country Code There may be faults if otherwise 4 Optional When the country code AU is selected Press ENTER to enter the Grid Standard interface Press to cho...

Page 70: ...Pressing ENTER The date format is YY MM DD YY MM and DD stand for year month and day respectively The time format is hh mm ss hh mm and ss stand for hour minute and second respectively If inverter s...

Page 71: ...ng and Stopping the Inverter 2 Disconnect the externalAC circuit breaker and prevent it from reconnecting 3 Rotate the DC switch to the OFF position Please strictly follow the above procedures Otherwi...

Page 72: ...ies and electric shock Wait at least 10 minutes after disconnecting the inverter from the utility grid and the PV input before touching any inner live parts If the inverter will be reinstalled in the...

Page 73: ...s the inverter start voltage 5 If all above conditions are OK please contact SUNGROW Fault indicator is lit 1 A fault is not removed 2 Perform troubleshooting in according to the fault type in LCD scr...

Page 74: ...allowable upper limit 1 Check the frequency of the grid 2 If the grid frequency exceeds the permissible range of inverter protective parameters ask utility grid company for solution 3 If the grid fre...

Page 75: ...eeds the threshold 1 Check whether AC output power exceeds nominal power too much 2 Check whether fans work normally and whether there are some abnormal fans Please replace broken fan in necessary 3 C...

Page 76: ...id voltage sampling differences between the master and slave DSP 1 Wait a moment for inverter recovery 2 Contact SUNGROW if the fault reoccurs 104 Grid frequency synchronization fault The grid voltage...

Page 77: ...1 If there are no other problems and the inverter is required to keep operating restart the inverter immediately 2 Contact SUNGROW if the fault reoccurs 501 502 Inverter internal communication failur...

Page 78: ...tion Check if the temperature of the housing is normal Monitor the system using the thermal imager Every 6 months System clean Check the temperature and dust of the inverter Clean the inverter enclosu...

Page 79: ...ast ten minutes and then perform maintenance work Replacing Fan If there is overheat and abnormal noise please wait a moment for the fan recovery If the abnormal noise still exists after a moment plea...

Page 80: ...wnwards or increase setting value Hereinafter it is referred to as Press Press more than one second Return to the previous menu or cancel the command Hereinafter it is referred to as Press ESC Press l...

Page 81: ...User Manual 10 Operating the LCD Menu 71 10 2 Inverter Menu Structure Fig 10 1 Menu Tree English...

Page 82: ...For the actual yields please refer to the electric energy meter Tab 10 2 Inverter State Description Inverter State Description Run After being energized the inverter tracks the PV arrays maximum power...

Page 83: ...nection is correct If no anomaly is found disconnect DC switch and grid switch to restart If it still does not work contact SUNGROW If inverter is in Fault state Press to view multiple Current fault i...

Page 84: ...rast setting The contrast value ranges from 0 to 100 The recommended value is 50 or 60 10 5 Viewing Detailed Running Information On the main screen there is some basic information about the inverter F...

Page 85: ...Iac Current of L3 Pac AC output of L3 F Frequency of L3 P dc Inverter input power Input mode Inverter input connection mode P W Inverter output active power Peak Power Daily peak power value Temp Inte...

Page 86: ...Press 1 Start Stop Press ENTER Press to choose Start Stop and press ENTER to confirm the choice Confirm your choice by pressing ENTER The Restart item will appear only if an unrecoverable fault occurs...

Page 87: ...ubmenus may differ from that in other menus Proceed as follows to perform the parameter settings 10 9 Setting Parameters 10 9 1 Setting the Time If there is deviation between the time on inverter main...

Page 88: ...ress 2 Set param Press ENTER Enter password Press ENTER Set param Press ENTER Press 1 Countries Press ENTER To make protective parameters setting convenient inverter provides country code selection Th...

Page 89: ...G EE EG PN PC WP Manual Default Pro Stage Single stage Multi stage Vgrid min 210 0V Vgrid max 260 0V Fgrid min 47 00Hz Fgrid max 52 00Hz The description of country code is illustrated below Country Co...

Page 90: ...u screen Press 2 Set param Press ENTER Enter password Press ENTER Set param Press ENTER Press 3 PF Setting Press ENTER Press to move cursor and Press to set the power factor Confirm the settings by Pr...

Page 91: ...han one inverter and all the inverters are set to DHCP OFF a unique IP address should be assigned to each inverter The configuration procedure should be performed only by qualified personnel 10 9 6 Lo...

Page 92: ...the LCD Menu User Manual 82 Main Screen Press ENTER Menu screen Press 2 Set param Press ENTER Enter password Press ENTER Set param Press ENTER Press 5 Load Default Press ENTER Press ENTER to confirm...

Page 93: ...User 1 Connect the communication cable between router and inverter and connect the communication cable between router and PC Router Switch PC SolarInfo Bank Inverter 2 Wait for about 10 minutes and t...

Page 94: ...matically The computer can visit SolarInfo Bank only when the router can access to Internet Scenario 2 The inverter is connected directly to PC The computer cannot visit SolarInfo Bank Scenario 3 The...

Page 95: ...e the IP address and subnet mask of the computer For Windows 7 or higher version right click the Network and Internet icon on the right corner of the desktop click Network and Sharing Center open Loca...

Page 96: ...address is 192 168 001 101 Subnet mask of the computer Must be the same as that of the inverter i e 255 255 000 000 5 Open the explorer input the inverter IP address in the address bar to enter the We...

Page 97: ...ebpage www solarinfobank com to view the homepage of SolarInfo Bank Register a new user by clicking Register 2 The registration interface as shown below will appear User can select Home users or Busin...

Page 98: ...er information in the following interface Click Expansion to fill in more information in the following interface Then click Next The Country City Monetary unit and Temperature unit can be selected fro...

Page 99: ...by now The nameplate in the figure is for reference only Time Zone must be selected according to the installation place of the inverter If user does not know the local time zone please check in Googl...

Page 100: ...of Serial number Password and Device name are the same as that in Step 4 Click Complete to finish the registration and click Previous to return to the previous page to modify information 6 Refresh the...

Page 101: ...www solarinfobank com Then you can inquire the running information of the corresponding inverter 11 3 1 Acquisition and Installation of the APP Download the SolarInfo Home APP and install it into you...

Page 102: ...SolarInfo Home APP is https play google com store apps details id com sungrow home or Http www solarinfobank com app SolarInfoHome_v1 0 apk You can also use your smartphone to scan the following OR c...

Page 103: ...to the inverter via Wi Fi to view the real time running information Make sure that the distance between the smartphone and the inverters is within the valid range In Remote Login mode you need config...

Page 104: ...te NOTE Please enter your e mail account and the password The username and password of the APP and webpage www solarinfobank com are generic You can use the registration information of webpage to logi...

Page 105: ...param Password 111111 ENTER 2 ENTER ENTER 3 ENTER Main screen Com param Load default Set param DHCP ON Addr 001 WiFi EN ON Port 00502 2 Check the running information 3 Select the country you are in an...

Page 106: ...User Manual 96 Congratulation You have completed all configurations The inverter is successfully connected to the SolarInfo Bank server You can check the device running information anywhere via the I...

Page 107: ...he device running information anywhere via the Internet by the following steps NOTE The router must be connected to the Internet Press HOME button Settings Change Off to On Select your router Press HO...

Page 108: ...9 A 9 9 A Max current for input connector 12 A Short circuit current of PV input DC1 DC2 24 8 A 12 4 A 12 4 A Output Side Data Nominal AC output power 3000 W 4000 W 5000 W 6000 W Max AC output appare...

Page 109: ...ess protection rating IP65 Night power consumption 1 W Operating ambient temperature range 25 60 45 derating Allowable relative humidity range 0 100 Cooling method Natural cooling Noise 29 dB Max oper...

Page 110: ...e product Ignoring safety warnings and instructions contained in all documents relevant to the product Installing or operating the product under incorrect safety or protection conditions Altering the...

Page 111: ...red watt to mega watt systems The vision of SUNGROW is to help our customers acquire stable and clean power with minimum cost maximum reliability and enhanced safety Contact Information Should you hav...

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