Home

SG10KTL/SG12KTL/SG15KTLV31 PV grid

1. DC1 DC Switch Men Functional Safety O i i i and Protective gt e t Er s Circuit gt ho DC Boost Eo a Circuit 5 ilter ae Kamel E ohe ee ren fe TE og IGBT nn o Ser Threelevel A ES Inverter Circuit AC T 2 EMC 2 wee 7 Reactor 1 1747 Filter L3 I I C Fi i Y iy sar et a H T s PN e z ES DC ON if a j 2 EMG Circuit Relay _ PE 3 Gq a me DC2 MPPT 2 Communication Interface RS485 Human computer Interaction Interface Fig 2 2 Main Circuit Diagram of Inverter SG10KTL SG12KTIL SG15KTL User Manual 2 3 Product Description 2 3 1 Product Appearance Fig 2 3 Product Description Se mn LCD display panel Human computer interaction interface for looking up running information and configuring parameters Air outlet Hot air generated during running process is exhausted via the air outlet The handles are designed for transporting unit 5 DC switch During normal operation it is in ON state It can shut down the inverter immediately in OFF position Connection terminals They are DC input terminals AC output terminal R8485 communication terminal and Ethernet interface 10 Product Introduction 2 2 3 2 Dimensions of Inverter L SUNGROW SunAccess Fig 2 4 Outline Dimensions of Inverter Tabl
2. ea ee a rare 3 o ko eb SUNBROUJ I _ GRID CONNECTED INVERTER _ Type SG15KTL S N 100923001 DC Input min MPP voltage 380V max MPP voltage 800V max Input voltage 1000V max Input current 2 20A Isc PV 225A AC Output Rated output power 15000W Rated output voltage 3 N PE 230V 400V Rated output frequency 50Hz Max Output current 24A Safety Class I lEnclosure IP54 Fans IP65 Other Ambient temperature 25 C 60 C Overvoltage Category _ _ _ _IIIMAINSLULP _ KM XZ Mm amp CE xy Grid Monitoring VDE 0126 1 1 SONGROW POWER SUPPLY CO TTD _WWW SUNGROWPOWER COM MADE IN CHINA _ Fig 4 2 Nameplate of Inverter SG15KTL Image shown here is indicative only Actual product you receive may differ SUNGROW logo and product type Technical data of inverter Marks of certification institutions of inverter Company name website and origin Table 4 1 Description of Icons on the Nameplate Don t dispose of the inverter with the household waste Refer to the corresponding instructions TUV mark of conformity The inverter is in compliance with directives of TUV CE mark of conformity The inverter is in compliance with directives of CE 19 SG10KTL SG12KTL SG15KTL User Manual 4 4 Delivery Contents a ve j A yA 7 lt l 9 R i e de oO lt gt ws 3 Ns on P M 1 q e B 7 E Ba Fig 4 3 Delivery Contents EN C P rss
3. 3 Clean air grills of outlet See 9 2 3 Clean Air Inlet and Outlet 1 If this malfunction happens wait for a while and observe whether fault can be cleared by the inverter itself 2 Otherwise perform the command Stop or rotate DC switch to OFF position 3 Perform the command Start to restart the inverter or rotate DC switch to ON position 4 If this malfunction still exists please contact Sungrow 55 SG10KTL SG12KTIL SG15KTL User Manual NOTE If you have any problems in operating on the inverter please contact us Service hotline 86 551 532 7834 532 7845 Email service sungrow cn We need the following information to provide you the best assistance e Type of the inverter e Serial number of the inverter e Fault name e Brief description of the fault phenomenon 9 2 Maintenance DANGER Disconnect the inverter from grid and then PV arrays before any maintenance work Lethal voltage still exists in the inverter Please wait at least ten minutes and then perform maintenance work 9 2 1 Clean Fan There are four fans in the inverter for ventilation It is suggested that fans are cleaned every half year Procedure Step 1 Disconnect the connection of output and input side Step 2 Wait for at least ten minutes Step 3 Dismantle inverter in the reversed direction of Installation procedure Step 4 Loosen the seven fixed screws on the back of the inverter Step
4. CAUTION indicates a hazard with a low level of risk which if not avoided could result in minor or moderate injury A NOTICE NOTICE indicates a situation which if not avoided could result in equipment or property damage NOTE NOTE indicates additional information emphasized contents or tips to help you solve problems or save time Symbols On the Inverter Body 5SIOP This symbol indicates that you should wait at least 10 minutes after disconnecting the inverter from the utility grid and from the PV input before touching any inner live parts Hot surface May exceed 60 C Look over the user manual before any operation onto the inverter Only qualified personnel can open and service inverter Do not disconnect connectors from the unit under load Contents SAFETY AND PRODUCT INFORMATlONo ooccccccncconococconocccconcccoconoccoconoccnconoconccnoccnconoconenns 1 1 Sately Instructions ais 3 2 Produet Introduction zes nee 7 228 SK Lata Lo o MP SAG are ee ee ee 8 2 2 Main Circuit Description u0s004044000RRRnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnnnennnnnnnnenn 9 2 3 Pro QUE DESCHPION A ee Aline teens 10 23 1 PrOd ct APppe aras ion 10 25 2 DIMENSIONS OF NVM GK sitas einen ne role 11 235 LGD IDISplay A q rs ar see a i l s 11 23 4 BOS WIE A R R O O P O O P O E PO VO TT 12 INSTALLATION AND MAINTENANCE INFORMATION csccsscssccsccsscsscssc
5. Start and long press button 7 to start the inverter Stop the Inverter His inform Start Start Stop ENTER ENTER o Set param gt Stop AS Stop Confirm 1 Long press button to enter into main control screen 2 Shortly press button to move arrow to item Start Stop and long press button ENER to confirm 3 Shortly press button to move arrow to item Stop and long press button to stop the inverter 78 APPENDIX Technical Data DC Side Data Max Input Voltage 1000V Start Voltage 250V MPP Voltage Range 250 800V 330 800V 380 800V Max Input Power 10 4kW 12 5kW 15 6kW Rated DC Power 10 3kW 12 2kW 15 3kW Rated DC Voltage 650V Max Input Current 40A 20A 2 Isc PV 50A 25A 2 Number of MPP Trackers Strings Per MPP Tracker 2 3 AC Side Data Rated Output Power 10kW Max Output Current Rated Output Voltage Output Voltage Range Rated Output Freguency Output Freguency Range Output Current THD lt 3 at nominal power DC Current Injection lt 0 5 at rated output current 79 Power Factor 0 9 lagging 0 9 leading System 98 0 Euro Efficiency 97 2 97 2 97 3 Enclosure IP54 Fans IP65 Other Max Efficiency Safety Class Overvoltage Category N MAINS PV Pollution Degree Wet Location Yes Ambient Temperature 25 C 60 C Relative Humidity 0 95 non condensing
6. 48 Commissioning 7 Language 0 English 1 Deutsch 2 Francaise 3 Italiano 4 Configure time properly as prompted in the display Time settings is very important which directly affects data logging Shortly press button to move cursor and shortly press button to scroll up time value Confirm the settings by long pressing button Time Date 09 11 18 Time 18 35 55 5 Select the country code according to the inverter s installation country Each country code represents corresponding local protective parameters that have been preset before delivery Shortly press button to choose country code Confirm the settings by long pressing button If the inverter is installed where country code is not include please choose item Other and manually set the protective parameters Detailed information please refer to 10 7 9 Set Protective Parameters Country setting 0 GB 1 DE 2 FR 3 IT 4 ES 5 AT 6 AU 7 CZ 8 BE 9 Other The description of country codes is listed below lf the country code is not set correctly during commissioning reset the protective parameters as dictated in 10 7 9 Set Protective Parameters Otherwise there may be serious result SG10KTL S G12KTL SGI5KTL User Manual The default country code is DE Inverters are in conformity with Low Voltage Directive VDE AR N 4105 If you choose DE country co
7. Auto test setting 71 SG10KTL SG12KTL SG15KTL User Manual 4 Long press button to confirm the command 5 Shortly press button to move arrow to the setting item 6 Long press button to enter into the setting screen 7 Shortly press button to move cursor among the numbers and then long press button 5 to confirm the selection 8 Configure other items in the same way Otherwise the threshold is the default Auto test start After the operation of auto test setting user can start auto test j po auto test setting Start confermare gt auto test start Fgrid min 0 0Hz Fgrid max 0 0Hz Vgrid min 0 0V Vgrid max 0 0V Fnorm 0 0Hz Fnorm 0 0Hz Vnorm 0 0V Vnorm 0 0V Ttrip 0000ms Ttrip 0000ms Ttrip 0000ms Ttrip 0000ms _ e _ Co Failure Pass 1 Enter into the Auto test start screen following operation in Auto test setting above Shortly press button to move arrow to item Auto test start 2 Long press button to enter into sub screen c Ex 3 Long press button to confirm the command After confirming the Auto test start command inverter will check the protective functions one by one An explanation about the process of one protective function auto test Vgrid max is
8. 2 Shortly press button to move arrow to item Com param 3 Long press button to enter into sub screen 4 Shortly press button to move arrow to item Serial ports 5 Long press button to enter into sub screen 6 Shortly press button to move right and shortly press button to set values NOTE The range of communication address is 1 247 And the default baud rate is 9600 Parameters of Ethernet communication The IP address setting is valid only after restarting the inverter a 2 Network a Pe IP Address 192 168 001 004 S Subnet Mask 255 255 255 000 y b Network Gateway 192 168 001 001 Port il 04001 A 1 Shortly press button to move arrow to item Network 2 Long press button to enter into sub screen 3 Shortly press button to move right and shortly press button to set values 71 SG10KTTL SG12KTT SG15KTL User Manual 10 8 Start and Stop Inverter Start the Inverter His inform Start gt Start Stop ENTER ENTER Start Confirm Set param ee un Stop ee 1 Long press button to enter into main control screen 2 Shortly press button to move arrow to item Start Stop and long press button ENER to confirm 3 Shortly press button to move arrow to item
9. 5 Clean the fan with soft brush or vacuum cleaner Step 6 Reinstall the inverter onto the wall Step 7 Re connect the inverter Step 8 Restart the inverter 56 Troubleshooting and Maintenance 9 9 2 2 Replace Fan If there is Temp flt and abnormal noise please replace the fan This task should be performed by technician Procedure Step 1 Disconnect the connection of the output and input side Step 2 Wait for at least ten minutes Step 3 Dismantle inverter in the reversed direction of Installation procedure Step 4 Refasten the seven fixed screws on the back of the inverter Step 5 Dismantle the metal panel which holds the fans Step 6 Disconnect the connection of the fan Step 7 Replace the broken fan Step 8 Reinstall the inverter onto the wall Step 9 Re connect the inverter Step 10 Restart the inverter 9 2 3 Clean Air Inlet and Outlet A huge amount of heat is generated in the process of running the inverter The inverter adopts a controlled forced air cooling method In order to maintain good ventilation please check whether there is anything blocking the air inlet and outlet Clean the air inlet and outlet with soft brush or vacuum cleaner if necessary 9 2 4 Battery Maintenance There is a button battery on the inner LCD PCB board It may need to be serviced when it comes to service life Step 1 Disconnect the connection of the output and input side Step 2 Wait for at leas
10. Other Date 09 11 18 2 50ms 41100ms Time 18 35 55 ENTER Com param Com param u i Address ENTER Network Address 001 V low pro time ENTER ENTER 2 50ms 41100ms Country Setting 6 150ms 8 200ms Eures 0 GB 1 DE Network a FR a IT IP Address 192 168 001 001 4 ES 5 AT Work Mode Subnet Mask 255 255 255 000 6 AU 7 cz Commissioning or ENTER id Gateway 192 168 001 001 8 BE 9 Other Load Default high pro time Password 000000 Port 04001 2 50ms 4 100ms Work Mode Vaniah ENTER 0 symmetrical Mode m high pro tim low pro ti V low pro time F low pro time 1 parallel Mode Language F high pro tim ENTER 2 50ms 4 100ms Time F low pro time gt Failure Energy adj ES Auto test setting Load default Auto test start Firmware Version f PAP gt ee Auto test Italy ENTER Vgrid max 0 0V Vgrid min 0 0V Fgrid max 0 0Hz Fgrid min 0 00Hz o 4 Vnorm 0 0V gt Vnom 0 0V 3 Fnom 0 0Hz p Fnorm 0 00Hz an Conlermarg Ttrip 0000ms Ttrip 0000ms Ttrip 0000ms Ttrip 0000ms Pass 10 4 Adjust Contrast __ 15 000kW 105 60kWh ED ol CEB 297600 kWh State Poo 2009 11 18 18 35 Operation of LCD Display Panel 10 Comtrast Adj 50 1 Long press button to enter into the Contrast adj menu from the default menu 2 Shortly press button to increase the setting value and shortly pre
11. To make sure maximum DC power can be utilized PV strings connected to individual input area should have a homogenous structure including the same type the same number identical tilt and identical orientation Prior to connecting inverter to PV inputs the following specifications should be met 35 SG10KTL SG12KTL SG15KTL User Manual Type Total DC Power DC Power Open circuit Short circuit Limit for Limit for Each Voltage Limit Current Limit Inverter Input for Each Input for Each Input SG10KTL SG12KTL SG15KTL There is a risk of inverter damage The following requirements should be met otherwise they will lead to loss of any and all warranty rights e Make sure that the maximum short circuit current of each DC input is less than inverter allowable limit Make sure that the maximum open voltage of each string is less than 1000V Voltage over 1000V can damage the inverter For Parallel Mode In parallel mode the PV inputs can be connected in parallel as the following diagram shown One pair of DC terminals in DC1 input and DC2 input must be short circuited 5 7 mi D a lt a sf E o z NOTE To make sure maximum DC power can be utilized All PV strings connected to inverter should have a homogenous structure including the same type the same number identical tilt and identical orientation Prior to connect
12. grounded supply circuit 58 OPERATION INFORMATION or User and Installe 60 Operation of LCD Display Panel About This Chapter This chapter shows operation of LCD menu via buttons to check the records in the inverter and configure the parameters of the inverter 61 SG10KTL S G12KTL SGI5KTL User Manual 10 1 Description of Button Function Inverter offers two buttons for the user to look up running information and configure parameters The two buttons have multiple functions Users should know the button functions and how to operate before any operation onto inverter Table 10 1 Button Function Press less Move upwards or downwards or increase setting value In the than two seconds following text it is called shortly press Press more Return to parent screen or cancel the command In the following text it than two seconds is called long press Press less Move left or right or turn pages In the following text it is called shortly than two seconds press E s ENTER Press more Enter into the sub screen or confirm the command In the following than two seconds text it is called long press M NOTE The background illumination of the LCD screen will go out to save power if there is not button operation after one minute You can activate it by pressing any button 62 Operation of LCD Display Panel 10 10 2 Operation Mode of Inverter Here illustrates
13. the operation modes of inverter Stop The inverter is shut down Stand by Inverter will enter into Stand by mode is entered for insufficient input power In this mode the inverter will wait until the DC voltage recovers in standby time set by user see 10 7 8 Set Running Parameters Run After being energized the inverter tracks the PV arrays maximum power point MPP and converts DC power to AC power This mode is the normal mode Fault lf a fault occurs the inverter will automatically stop operation trigger the AC relay and display the fault type in the LCD screen with the FAULT indicator lit Once the fault is removed in recovery time set by user see 10 7 8 Set Running Parameters the inverter will automatically resume running Key stop The inverter will stop operation by manual stop through LCD menu 63 SG10KTL SG12KTT SG15KTL User Manual 10 3 Overview of Operation Menu Fig 10 1 Menu Tree English 64 P2
14. using the backplate as the template Step 4 Drill holes according to the marks you have made DANGER In order to avoid electrical shock or other injury inspect existing electronic or plumbing installations before drilling holes Step 5 Attach the backplate to the wall firmly with the supplied expansion bolt set The torque for fastening the nut is 35 Nm Fig 5 4 Fasten the Backplate against Concrete Wall with M10 80 Expansion Bolt Set Spring washer Hexagonal socket nut O 28 Installing Inverter against Wall 5 Step 6 Lift up the inverter above the backplate with the help of other people and then slide down making sure that the two recesses on the back of the inverter and counterparts of the backplate engage perfectly as Fig 5 5 shown Fig 5 5 Installing the Inverter On Metal Frame lf the chosen mounting location is metal frame please follow the following steps to mounting inverter Step 1 Get the supplied backplate from the packaging Step 2 Choose the best installation site according to above requirements Place the backplate onto the chosen metal frame and adjust it until it is in a horizontal position Step 3 Mark the positions to drill holes by using the backplate as the template Step 4 Drill seven holes at the marks you have made If the shape of the metal frame doesn t fit the holes on the backplate re drill holes on the backplate of appropriat
15. 4 50 2009 11 18 18 35 P1 2 Run record T 2 E day 405 8kWh Language ENTER Pade 15 428kW P ac 15 002kW 0 English 1 Deutsch ENTER 2009 11 17 50 vic 380 0V V de2 380 0V RIGHT ENTER 2 Francaise 3 Italiano 2009 11 16 32 1 de1 20 34 dc2 20 34 P dc1 7714W P dc2 7714W Run record ENTER ENTER Fau lt re cord P 1 1 Fault rec T 2 1 gt 2009 11 05 09 15 59 ENTER Time Samp flt 0001 Date 09 11 18 Contrast Ad 50 2 gt 2009 11 05 09 15 59 Time 18 35 55 _ Vac high 278V A ENTER Language ESC Time ENTER Energy adj a Start Confirm ENTER Energy adj D 0000 kWh 5 Load default i __15 000kw ENTER His inform ENTER Start Firmware Version 105 60kWh Start Stop gt Auto test Italy E 497600 kWh gt Set param Stop 2 t Run n Oc TEER ERE ENTER Load default a Are you sure Stop Confirm Password 000000 ENTER to set it DOWN ENTER ENTER Standby time 020s E day m Recover time 030s Temp 49 51 Power limit 100 ENTER Language P de 15428W P ac 15002W Power factor 1 000 Firmware Version V de1 380 0V V de2 380 0V ENTER Set param Sys param LCD LCD_SG15KTLV31_V1_C_M 0 English 1 Deutsch kdet 20 3A I dc2 203A P ENTER Run param DSP DSP_SG15KTL_V31_B 2 Francaise 3 Italiano P dc1 7714W P dc2 7714W REUT Password 0000 Pro param Com param Work Mode Pro param Password 000000 Country Setting ENTER 0 GB 1 DE ENTER 2 FR 3 IT 4 ES 5 AT ENTER 6 AU 7 CZ Time ENTER V high pro time 8 BE 9
16. 51 532 7845 Fax 86 551 532 7856 82 SUNGROU Green and Effective Specifications subject to change without notice
17. Cooling Method Controlled forced air cooling Max Altitude 2000m Display and Communication O U Display Standard Comm Interface RS485 Ethernet Optional Comm Interface Mechanical Data Dimensions W H D 648 686 243mm Net Weight 50kg 80 Exclusion of Liability The content of these documents is periodically checked and revised when necessary please call us or check our website www sungrowpower com for the latest information However discrepancies cannot be excluded No guarantee is made for the completeness of these documents Please contact our company or distributors to get the latest version Guarantee or liability claims for damages of any kind are excluded if they are caused by one or more of the following Improper or inappropriate use or install of the product Installing or operating the product in an unintended environment Installing or operating the product when ignoring relevant safety regulations in the deployment location 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 product or supplied software without authority The product malfunctions due to operating attached or neighboring devices beyond allowed limit values In case of unforeseen calamity or force majeure The use of supplied software produced by Sungrow Power Supply Co Ltd is subject to the f
18. G10KTTL SG12KTT SG15KTL User Manual 10 7 8 Set Running Parameters _ Sys param Standby time 020s B Run param E nos Pro param ecover time S Com param Power limit D Work Mode Power factor 100 Enter into parameters setting screen following operation amp in Set 1 000 language 2 Shortly press button to move arrow to item Run param 17 3 Long press button to enter into sub screen 4 Shortly press button to move cursor and shortly press button to set parameters NOTE Standby time is the time from inverter starting to initialize to inverter feeding power to grid This parameter ranges from 20s to 255s And the default value is 20s Recover time is the time from the point that the fault is cleared to inverter recovering to feed power to grid lt ranges from 30s to 300s And the default value is 30s Power limit ranges from 0 to 100 When the Power limit is set as 0 the inverter will enter into key stop state Power factor s range 1 000 0 900 and 0 900 1 000 10 7 9 Set Protective Parameters These protective parameters are designed for the limit value that can trigger the protective functions of the inverter In order to ensure realization of protective functions these protective parameters have been configured before delivery according to dif
19. SG12KTL SG15KTL User Manual 4 1 Unpacking and Inspection The unit is thoroughly tested and inspected strictly before delivery Although sturdy packaging is used damage may still occur during shipping e Check the packing for any visible damage upon receiving e Check the inner contents for damage after unpacking e Check the completeness of delivery contents according to the inner packing list If there is visible damage to the packaging or the inner contents or if there is something missing contact the unit dealer Do not dispose of the original packaging lt is the best choice to re use it for inverter storage Fig 4 1 Single Inverter in Original Packaging Carton unit mm 4 2 Moving the Inverter In order to avoid damage to the inverter during moving it is better to move inverter in original carton Pay attention to the weight Proper device that can bear the weight is needed to avoid inverter damage or person injury when moving A NOTICE When moving the inverter please follow the symbol instructions on the packaging box 18 Unpacking and Storage 4 4 3 Identifying Inverter A nameplate is attached to the side of the inverter and the carton respectively It includes inverter type along with unit technical specifications certification marks and serial number which is available and identified by Sungrow
20. SUNGROU SG10KTL SG12KTL SG15KTL PV Grid Connected Inverter User Manual SG10_12_15KTLV3 UEN Ver10 201202 Version 1 0 About This Manual Aim Thank you for purchasing the inverter from Sungrow We hope that this device will meet with your satisfaction when you use it in PV plant system The purpose of this manual is to provide detailed product information and instructions for installation and operation of PV grid connected inverter SG10KTL SG12KTL and SG15KTL Target Readers The manual is provided to people who need to install and operate this grid connected inverter How to Use This Manual Read this manual and other document before installation and operation with the inverter The document must be stored carefully and available at all times The contents of this manual will be periodically updated or revised if necessary However discrepancies cannot be excluded Please make the object as the standard or download the latest version of this manual via www sungrowpower com Symbols Explanation Important instructions contained in this manual should be followed during installation operation and maintenance of the inverter And they will be highlighted by these symbols DANGER DANGER indicates a hazard with a high level of risk which if not avoided 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
21. al from the utility company should you connect the inverter to the local utility grid A NOTICE The grid should meet the following requirements Otherwise the inverter will not work e Grid Voltage 184 276V e Grid Frequency 47 53Hz With an integrated universal current sensitive residual current monitoring unit inside the inverter can automatically distinguish the fault currents from normal capacitive leakage currents However if an external RCD or residual current breaker is mandatory the switch must trigger at a failure current of 100mA or higher 6 6 1 Assembling AC Cables to Connector The inverter is equipped with water proof direct plug in connectors for AC connection which mate with AC terminals at the bottom of the inverter NOTE All AC cables should be equipped with correctly colored cables for distinguishing Please refer to related standards about wiring color Assembling Procedure Step 1 Unscrew the water proof terminal in the following direction A Ze Step 2 Insert appropriately sized AC cables through water proof terminal Step 3 Strip off insulation layer of all AC cables The length of strip insulation is approximate 8mm 41 SG10KTL SG12KTL SG15KTL User Manual Step 4 Fix all cables ends to the corresponding terminals with the torque of 1Nm according to markings on the connector especially PE cable If a phase wire is connected to the PE terminal it may permanently destroy the in
22. are Version A Auto test Italy 10 7 6 Auto Test Only for Italy According to the requirements from Italian user inverter also provides for Italian operation to verify the validity of functions about over voltage protection under voltage protection over frequency protection and under frequency protection After choosing the four thresholds V high pro time V low pro time F high pro time and F low pro time user performs the command Auto test start And then the inverter will automatically carry out four protective functions in turn Finally test result will come into being In order to perform auto test please follow the procedures below Auto test setting Language Time Energy adj V high pro time Load default 2 50ms 4 100ms L Firmware Version ne P Auto test Italy V low pro time 2 50ms 4 100ms 6 150ms 8 200ms gt auto test setting auto test start F high pro time 2 50ms 4 100ms gt V high pro tim F low pro time on 2 50ms 4 100ms F low pro ime gt 1 Enter into the Auto test Italy screen following operation in Set language above Shortly press button to move arrow to item Auto test Italy 2 Long press button to enter into sub screen 3 Shortly press button to move arrow to item
23. button to move arrow to item Language 68 Operation of LCD Display Panel 10 9 Long press button to enter into sub screen 10 Shortly press button to select the number that represents language and then confirm the selection 10 7 2 Set Time lf there is deviation between the time in the default screen and your local time you should perform the operation set time Clock is 24 hour format Language C gt Time Energy adj Te M Date 09 11 18 cial Time 18 35 55 Firmware version ee D 2 Auto test Italy 4 1 Enter into the Time screen following operation in Set language above 2 Shortly press button to move arrow to item Time 3 Long press button to enter into sub screen 4 Shortly press button to move cursor and shortly press button to set the value 10 7 3 Set Deviation of E tot lf the accumulative value of E tot by inverter has deviation from the value in the external metering device you should adjust the parameter energy adj Language Time p Energy adj _Energy adj m Load default p 0000 kWh O O Firmware version 8 Auto test Italy 1 Enter into the Energy adj screen following operation in Set language above 2 Shortly press button to move arrow to item Energy adj 3 Long p
24. connector of one cable end to RS485 terminal on the bottom of the inverter Make connector and RS485 terminal engage and rotate clockwise about 60 degrees Connect the other end of cable to other devices Communication terminal definition is referred to device manual Inverter RS485 Solarlnfo Logger Solarlnfo Logger PC Green Shielding layer is grounded 2 RS485 232 converter PC RS485 RS232 RS232 Communication of single inverter Fig 6 4 One Inverter Connected to PC or Solarlnfo Logger 45 SG10KTL SG12KTL SG15KTL User Manual Inverter Inverter Inverter Solarlnfo Logger RS485 Solarlnfo Logger PC RS485 232 converter PC RS485 Shielding layer is grounded green Multiple inverters in daisy chain Fig 6 5 Multiple Inverters Communication with Other Devices 7 Verify the communication connection and configure communication parameters NOTE lf there is more than one inverter to communicate with a PC or a data logger it is crucial to configure communication parameters of each inverter See 10 7 10 Set Communication Parameters Solarlnfo logger and RS485 232 converter are optional parts and can be ordered from Sungrow 46 Commissioning About This Chapter This chapter demonstrates how to check before commissioning and operation procedures 47 SG10KTL S G12KTL SGI5KTL User Manual Commissioning is a critical part for a we
25. corresponding circular contacts with crimping pliers 37 SG10KTL SG12KTIL SG15KTL User Manual Positive Circular Contact A Negative Circular Contact A gt 4 Insert the crimped on circular contact into insulator until it snaps into place And pull gently to check that it is correctly engaged 3 Lead cable through cable gland Positive Insulator 5 Screw the cable gland to front insulator with tightening torque 2 Nm 6 5 2 Wiring Procedure PV Connection of Symmetrical Mode Connect the inverter to PV arrays as the following procedures 1 Manually rotate the DC switch at the bottom to the OFF position 2 Check the connection cable of PV string for the correct polarity and that the short circuit voltage does not exceed inverter input limit 1000V even under the lowest 38 Electrical Connection operating temperature Refer to module specification supplied by module manufacturer 3 Check this PV string for insulation failure Measure the DC voltage between the positive terminal of and Earth and the DC voltage between the negative terminal and Earth If the two voltages are constant and not zero there is an insulation failure somewhere in this PV string Solve the insulation failure if required before connecting this PV string to the inverter 4 Plug the positive and negative DC connectors into corresponding terminals until there is an audible sound It must not be connected to the differen
26. d long press button EER to confirm selection 2 Shortly press button to move cursor and shortly press button to select values Long press button to confirm value settings 3 Long press button to confirm protective parameters settings Country setting Vas 0 GB 1 DE woe 2 FR 3 IT ENTER Vgrid min Are you sure 4 ES 5 AT Fgrid max to set it 16 AU 7 CZ Fgid min 8 BE Zn 75 SG10KTL S G12KTL SGI5KTL User Manual GB SG10KTL 260V 210V 50 4Hz 47 1Hz SG12 15KTL 264V 184V 52 0HZ 47 0Hz 184V 230V 50Hz 53Hz Default 184V Default 51 5Hz Default 47 5Hz The default country code is DE Inverters are in conformity with Low Voltage Directive VDE AR N 4105 If you choose DE country code you also need to choose Low Voltage Directive Country setting 0 GB i DE Are you sure 2 FR 3 IT ENTER V low VDE AR N4105 ENTER to set it 4 ES 5 AT Bu 6 AU 7 CZ 8 BE 9 Other 76 Operation of LCD Display Panel 10 10 7 10 Set Communication Parameters Parameters of RS485 communication Sys param 6 Run param gt Com param Pro param E gt Address Network gt gt Com param Address 001 1 Enter into parameters setting screen following operation in Set language Work Mode f
27. de you also need to choose Low Voltage Directive Country setting 0 GB 1 DE Are you sure 2 FR 3 IT ENTER V low VDE AR N 4105 ENTER to set it 4 ES 5 AT 6 AU 7 CZ 8 BE 9 Other 6 After configuring the three screens inverter will enter into start up process 7 Observe status of LED indicators and the LCD screen NOTE State sy If inverter s commissioning fails the FAULT indicator will be lit and Es in the LCD screen will display type of malfunction In this case malfunction must be removed and then repeat 1 to 7 If inverter s commissioning succeeds the RUN indicator will be lit and Ee in the LCD screen will display RUN 8 According to the actual PV strings connection mode choose the same mode in the inverter by the LCD display menu see 10 7 7 Set Work Mode 9 Rotate DC switch to the OFF position again to make the work mode settings valid 10 Rotate DC switch to the ON position to active inverter normal operation 50 Disconnecting Inverter About This Chapter This chapter introduces the procedures to disconnect inverter from utility grid and PV arrays 51 SG10KTL SG12KTL SG15KTL User Manual For maintenance work or any service work inverter must be switched off In normal operation switching off is not necessary In order to disconnect the inverter from the AC and DC power sources you should p
28. e position according to the chosen frame Step 5 Fasten the backplate against the wall with bolts and nuts The dimensions of fasteners used in the following diagram are recommended The torque for fastening the nut is 35 Nm 5 6 Hexagonal socket nut Spring washer je Fig 5 6 Fasten Backplate against Metal Frame with Bolts and Nuts 29 SG10KTL SG12KTIL SG15KTL User Manual Step 6 Lift up inverter above the backplate with help of other people and then slide down to make sure that the two recesses on the back of the inverter fit perfectly together with the backplate as Fig 5 7 shown Fig 5 7 Attaching Inverter onto Backplate 30 Electrical Connection About This Chapter This chapter proposes step by step procedures to perform electrical connection and related safety instructions 31 SG10KTL SG12KTL SG15KTL User Manual Once the inverter is firmly attached to the appropriate location it can be connected into the PV power system Improper operation during the wiring process can cause fatal injury to the operator or unrecoverable inverter damage Only qualified personnel can perform the wiring work Prior to any electrical connection keep in mind that inverter has dual power supply It is mandatory for technical personnel to wear personal protective equipments helmet footwear and gloves during the electrical work 6 1 General Safety Instructions All electrical installations mus
29. e 2 1 Dimension Values SG10KTL 648 686 SG15KTL 648 686 2 3 3 LCD Display Panel As a friendly human computer interface on the front side LCD display panel consists of LED indicators buttons and the LCD screen Important system data such as current power can be accessed via the LCD screen The parameters can be configured in the LCD by tapping the right two buttons Fig 2 5 LCD Display Panel 11 SG10KTL S G12KTL SGI5KTL User Manual LED indicators RUN and FAULT Inverter current state can be known from the two indicators Detailed definition is shown in Table 2 2 2 Buttons Navigate in the LCD menu select values and so on Detailed function is shown in Table 10 1 3 LCD Screen LCD screen can display the current state of inverter current running information history information and parameters to be set Table 2 2 Description of LED Indicator RUN on Inverter is feeding AC power to the utility grid FAULT off RUN off A malfunction happens FAULT on or protection function triggers RUN off Inverter is not energized FAULT off There is communication error between DSP and LCD 2 3 4 DC Switch The DC switch is designed for safely disconnecting the DC current if required The inverter works automatically when input and output meet the requirements If you want to interrupt its running or if a malfunction occurs it can be rotated to the OFF
30. ececcccccececuceccececscuccucusecseauauseuseeeusunecsuecuecuaunecseauausenseas 70 107 6 AUTO Test OMY TOY se else 71 10 7 7 SOL WV OU Mode 22 ee O 73 10 28 Set Running PAIMETS esmerilado cdta 74 10 29 Set Pro teelive Paramelers caia ebene 74 10 210 S8e amp mmunieation Parameiers us ne 77 eStart ANOS O o po 78 TECHNICAL Data toas 79 EXCUSIO NO LIEB IV ea ee 81 ABOUT Se en ee ee a Eee ee Eee 82 Contact TIMONIUM OM ects AS c 82 SAFETY AND PRODUCT INFORMATION or Installer and Use Safety Instructions About This Chapter This chapter indicates crucial safety instructions Please read Safety Instructions carefully before any work with the inverter SG10KTTL SG12KTT SG15KTL User Manual IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS The SG10KTL SG12KTL SG15KTL inverter is designed and tested according to international safety requirements But as with all electrical and electronic equipments certain precautions should be observed during installation operation and maintenance process Operation or work performed incorrectly may result in damage to e The life and well being of the operator or a third party e The inverter and other properties that belong to the operator or a third party Therefore in order to reduce the risk of injury and ensure normal work of the inverter you must carefully read and follow all instructions cautions and warnings Before Installation The first thing to do a
31. er This chapter provides information about choosing installation site and gives step by step procedures to install inverter onto the wall And related safety instructions are also included 23 SG10KTTL SG12KTT SG15KTL User Manual 5 1 Selecting Installation Location Installation shall comply with local regulations and technical rules Installation shall comply with the relevant instructions of AS 4777 1 To make sure the unit optimal and safely operation later guidelines to choose the suitable installation site are provided in the following Selecting an optimal installation location for the inverter is decisive for its operating safety as well as it expected efficiency and service life 1 Take the load capacity 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 of time 2 Install the unit where is accessible to install electrical connection or service 3 Do not install the unit on wall of flammable materials Sa Flammable wall material A Do not install the inverter where contains flammable materials or flammable gas in the vicinity of the unit installation m 7 Flammable material or gas near the installation 5 Install the unit at eye level for easily buttons operation and display read 24 Installing Inverter against Wall 5 6 It is suggested that the
32. escescees 13 gt Installation Blow ias 15 AUnpackine and Storase un a RLNIBR 17 4 lUnpacking ana Inspecci n 18 4 2 Moving the Inverter ccccseccccceseeecceeseecceeseeeceececceuseeecsaueeecsauseeessaueeessageeeeseaseessaueeessauseeesseaseneess 18 AO IGO VNO HAV CTCL an cid 19 AA Deliver Gonlens ze 20 45 S10rage Ol VSE x e ti et ee 21 5 Installing Inverter against Wall eceesssssssssssssnssssonssssnnsssonsnsnnnnnsnonnnsnnnne 23 So L Selecting Installation Location sak weed ic RE ee a ee o do 24 5 2 Moving Inverter to Installation Site cccccccccsseeceecsceseeeeescceseeeescosseeeeescosaeeesscassaeessscaeeeesssoeees 27 5 3 Installing the Inverter cccccccccseseccceesseccceeececceaseeeceaeeecseseeeceusecessaeeeesegseeessageessageesesanseeesssasenenss 27 6 Electrical Connect on anreisen 31 6 1 General Sety NSTU CIONS eisernen 32 6 2 Overview of Electrical mStallation aussen ask ea 33 6 Terminals Desetipl onen Ensslin 34 6 4 5peeillilatlions ol SablEsi n eu ete o 34 6 5 Connecting Inverter to PV Arrays aroni a a ai aaea a erora iaaa aiii 35 6 5 1 Assembling DC Cable to CONNeCtOF ccccccccccccnnccccncccnncononncnnnnononnnnncnnonnnnnnnnnnnnnnnnonnannnnnnonenonons 37 652 WINO Procedure ee ee sie ns nee a ko dded 38 6 6 Gonnieeling Inverler tO AG Qda aaa 41 6 6 1 Assembling AC Cables to GOnneelor na nen 41 6 0 2 AG Wing Procedu Ganun seien 42 6 2 Grounding the Inventa
33. ferent countries utility grid requirements If the inverter installation country is not included in installer should choose Other and set corresponding protective parameters thresholds according to the following table 74 Operation of LCD Display Panel 10 A NOTICE Wrong selection of the country settings may cause a breach of the type certificate marking The country settings must be in accordance with the inverter installation country Sys param Country setting Run param Pro param 0 GB O D s gt 2 FR 3 IT gt T Password 00000 4 ES a AT Work Mode 6 AU cz 4 8 BE 9 Other 1 Enter into parameters setting screen following operation in Set language 2 Shortly press button to move arrow to item Pro param 3 Long press button to enter into sub screen 4 Shortly press to move cursor right and shortly press button to input password 091030 5 Long press button to enter into sub screen 6 shortly press button to select the right country code If the inverter installation country is not included in installer should choose Other and set corresponding protective parameters according to the inverter installation country requirement not exceeding ranges in the below table u Shortly press button to move cursor to item Other an
34. fter receiving the unit is to check for any visible damage to the packaging or to the inverter Should there be any questions please contact the shipping company and Sungrow before installing During Installation DANGER Lethal voltage exists Make sure to cover the PV arrays with light tight materials Exposed to sunlight PV arrays will output lethal voltage All tasks of installation must be performed by qualified personnel only e They are trained specially e They have read this manual and comprehended all operation regulations and related safety instructions Safety Instructions 1 Only after receiving prior approval from the utility company and qualified personnel installing the inverter should the inverter be connected to the utility grid All electrical connections must be in accordance with local and national electrical codes All cables must be firmly attached undamaged properly insulated and adequately dimensioned Maintenance and Modification A NOTICE Any malfunction that may impair inverter safety must be repaired immediately before the inverter is restarted again Please contact your local authorized personnel if any maintenance is required A NOTICE There is a risk of damage to the inverter if it is improperly modified Never modify the inverter or other components of the inverter Otherwise it will lead to loss of any and all warranty rights DANGER Disconnect the inverter f
35. ge is too high Bus low The inner DC bus boost output voltage is too low 67 SG10KTL S G12KTL SGI5KTL User Manual 10 7 Set Parameters NOTE lf you want to set inverter s parameters you have to input correct password The default password is 1111 10 7 1 Set Language The inverter supports four different languages English German France and Italian Language can be configured as the following indication 15 000kW His inform Set param 105 60kWh __ Start Stop wees TN P Set param Password 0000 gt State Run 2009 11 18 18 35 Py Language o Language en al Time Py Sys param 0 English 1 Deutsch ki Run param y Energy ad 2 Francaise 3 Italiano 9y ac Pro param To Load default m Com param Firmware version Work Mode Auto test Italy 1 Long press button to enter into main control screen 2 Shortly press button to move arrow to item Set inform iT 23 3 Long press button to enter into the screen of password 4 Shortly press to move right and shortly press button to set the correct password 1111 5 Long press button to enter into parameters setting screen 6 Shortly press button to move arrow to item Sys param 7 Long press button to enter into sub screen 8 Shortly press
36. ing inverter to PV inputs the following specifications should be met Type Total DC Power Open circuit Voltage Short circuit Current Limit for Inverter Limit for Each Input Limit for Total Input SG10KTL 10 4kW 1000V SG12KTL 12 5kW 1000V 36 Electrical Connection Total DC Power Open circuit Voltage Short circuit Current Limit for Inverter Limit for Each Input Limit for Total Input A NOTICE There is a risk of inverter damage The following requirements should be met otherwise they will lead to loss of any and all warranty rights e Make sure that the maximum short circuit current of total DC input is less than inverter allowable limit e Make sure that the maximum open voltage of each string is less than 1000V Voltage over 1000V can damage the inverter 6 5 1 Assembling DC Cable to Connector DC cables from PV strings should be equipped with DC connectors Pairs of DC connectors are supplied in the scope of delivery DANGER Make sure that all the DC cables to the inverter are not live before you start the electrical work NOTE To maintain IP65 weatherproof function of inverter only the supplied DC connectors or the connectors of the same protection class can be used The positive and negative connectors marked with polarity symbols will be assembled with colored cables as the following procedures 1 Strip off 7mm insulation layer from all DC cables 2 Crimp cable ends into
37. ing the installation site OOOOOO oy OFF RS485 In RS485 OUT NET np DC1 Fig 6 2 Terminals Description 6 4 Specifications of Cables All cables for the PV power system are equipped with water proof direct plug in connectors You ll find these connectors in the packaging For electrical connection in the PV power system specification of all cables used should meet the following requirements Table 6 1 Specifications of Cables Items No Min cross area Max cross area Recommended mm mm value mm O je ee m DC negative cable 34 Electrical Connection 6 5 Connecting Inverter to PV Arrays DANGER Lethal voltage exists Cover PV array with opaque materials before DC electrical connection When exposed to sunlight PV array will output lethal voltage SG10 12 15KTL inverters have two PV input area DC1 input and DC2 input each owning its MPP tracker The two PV input can work in symmetrical mode or parallel mode which can be set by LCD display menu see 10 7 7 Set Work Mode A NOTICE The mode in which actual PV strings are connected and the mode that is set in the inverter LCD display menu should be identical Otherwise inverter will not work normally For Symmetrical Mode In symmetrical mode the two input work independently as the following diagram shown 9poyN JLVnzIWwwW S ul JOUSAU NOTE
38. inverter and PC 6 8 2 RS485 Communication Connection RS485 is the standard communication choice for inverter The maximum number that inverters are connected in the daisy chain depends on converter and other factors Please refer to converters manual to obtain the limit RS485 terminals on the bottom of the inverter are RJ45 sockets First prepare communication cable and RJ45 plug Meanwhile to guarantee inverter protection degree there are waterproof communication connectors supplied in the scope of delivery A NOTICE RS485 cable s requirements to ensure quality of communication e Shielding Ethernet cable e Twist pair type 1 Lead shielding Ethernet cable through cable gland and inner rings 2 Use the Ethernet crimper to crimp the cables and connect cables to RJ45 plug according to TIA EIA 568B 44 Electrical Connection RJ45 plug 27 Cable gland Plastic ring A Shielding Ethernet cable Corresponding Relationship Between Cables and Pins Pin 1 White orange Pin 2 Orange Pin 3 White green Pin 4 Blue Pin 5 White blue Pin 6 Green Pin 7 White brown Pin 8 Brown 3 Pull cables outwards to confirm whether they are fastened firmly 4 Insert the RJ45 plug into the front plug connector until it makes a clicking sound 5 Tighten the cable gland with appropriate torque Front connector Cable gland 6 Now perform RS485 communication connection as the diagram shown below Connect
39. inverter be installed vertically with upside up for good heat dissipation 7 Never install the inverter horizontally or with a forward tilt or with a backward tilt or even with upside down Forward tilt Backward tilt Horizontally Upside down LEE 8 The inverter unit with IP65 can be installed indoors or outdoors also 9 The ambient temperature should range from o TE T E 25 C to 60 C When ambient temperature 60 C exceeds 45 C the power output will reduce A Min ambi 10 The relative humidity of chosen installation site K eee Enz should never exceed 95 Moisture may result in corrosion and damage to the inner electronic componenis 11 Avoid exposing inverter to direct sunlight or rain or snow to extend its service life despite of IP65 protection degree Shaded site of the building will be better Exposure to the sun may cause additional internal heating which will cause power reducing Max relative humidity 95 No condensing 25 SG10KTL SG12KTL SG15KTL User Manual Expose to Expose to direct sunlight now 12 Take enough space for convection into consideration during installing multiple inverters a a 13 Do not install the inverter in a closed cabinet Otherwise the inverter will not operate normally Closed Cabinet 14 Do not install inverter where children can reach 15 Do not install in
40. ll installed PV system which can protect against fires injury and electrical shock 7 1 Inspection before Commissioning Before starting the inverter you should check the following items for requirements 1 Inverter unit is accessible for operation maintenance and service 2 Re check that the inverter is firmly installed on to the wall 3 Room for ventilation well is provided for one inverter or more than one inverter 4 There is nothing left on top of the inverter unit 5 Inverter and accessories are correctly connected 6 Cables are routed in safe place or protected against mechanical damage 7 Specification of AC circuit breaker is reasonable 8 Terminals not used underneath the inverter are sealed 9 Warning signs amp labels suitably affixed and durable 7 2 Commissioning Procedure If all checking items above meet demands precede the following procedures to start up the inverter for the first time 1 Close external AC circuit breaker 2 Rotate DC switch to ON position Suppose that there is sufficient sunlight and enough DC power PV arrays initialize and supply DC power to inverter And the LCD display is activated 3 Language screen will prompt first once activated Perform language settings with the right two buttons Detailed button functions can be referred to 10 1 Description of Button Function Shortly press button to choose language Confirm the settings by long pressing button
41. mple about intended usage of the inverter is show in Fig 2 1 Where the positive or negative terminal of PV strings needs to be grounded SG10 12 15KTL inverters cannot be connected into this PV power system A NOTICE Any other or additional usage is not permitted except the intended usage G10 12 15KTL inverters must only be connected to utility grid Local loads home appliance lights motor loads etc can not connected between inverter and AC circuit breaker Fig 2 1 Inverter Applied in the PV Power System P 2 2 Main Circuit Description Product Introduction 2 Fig 2 2 shows circuit block diagram of SG10 12 15KTL inverters SG10 12 15KTL inverters are equipped with the same number MPPT for two DC inputs which ensure that the maximum power can be utilized even different PV modules IGBT three level inverter circuit converts the DC power into AC power This AC power is fed into the utility grid via five core terminals Meanwhile the inverter is equipped with protective circuits to guarantee itself safe operation Additionally a DC switch is integrated for safe disconnection of DC current The inverter provides standard interface RS485 or optional interface Ethernet for communication Inverters are also provided running records display and parameters configuration via human computer interface LCD display panel
42. nection of inverter See 6 Electrical Connection 4 Check whether the voltage of DC input exceeds start voltage of inverter 5 If all above conditions are OK please contact with Sungrow Fault indicator is lit 1 There is a fault which is not removed yet 2 Perform troubleshooting in according to fault type in LCD screen See 9 1 2 Troubleshooting of Faults in LCD Screen 3 If it cannot be solved please contact with Sungrow 9 1 2 Troubleshooting of Faults in LCD Screen Type of fault Troubleshooting Vdc high Disconnect AC circuit breaker Rotate the DC Switch to the OFF position Check the voltage of DC side Restart the inverter until the DC voltage return to allowable range Vac low Disconnect AC circuit breaker Rotate the DC Switch to the OFF position Check the voltage of grid side If local grid condition exceeds AC requirements of inverter reset the Vac high protecting parameters See 10 7 9 Set Protective Parameters And if local grid voltage exceeds the upper limit value of Vgrid max or if local grid voltage is under the lower limit value of Vgrid min please contact your local electricity company to adjust the grid voltage 5 Ifthe fault still exists please contact with Sungrow 54 Troubleshooting and Maintenance 9 Type of fault Troubleshooting F fault PM fault Temp flt Com err 1 Disconnect AC circuit breaker 2 Ro
43. ollowing conditions Sungrow Power Supply Co Ltd rejects any liability for direct or indirect damages arising from the use of the Solarlnto software This also applies to the provision or non provision of support activities Using the Solarlnfo software for commercial purposes is prohibited Decompiling decoding or destroying the original program including Solarlnfo software and the embedded software is prohibited 81 About Us Sungrow power supply is a China leading manufacturer of various power electronics products for renewable energy generation systems Our products include converters inverters battery chargers and other power supplies for distributable generation system in both grid connected and stand alone applications The power rating of Sungrow products covers from several hundred watt to large mega watt systems The pursuit of Sungrow is to help our customers acquire stable and clean power with minimum cost maximum reliability and enhanced safety Contact Information If you have any questions about this product our hotline will be happy to assist you Please keep the following data when contacting Sungrow Company Sungrow Power Supply Co Ltd Website www sungrowpower com Contact Mr Henry Director of International Trade Email info sungrow cn service sungrow cn No 2 Tianhu Rd New amp High Technology Industrial Development Zone a Hefei P R China Zip 230088 Telephone 86 551 532 7834 86 5
44. position and then the inverter will stop running A NOTICE Before restarting the inverter rotate the DC switch to the ON position 12 INSTALLATION AND MAINTENANCE INFORMATION ust for Installe SG10KTL S G12KTL SGI5KTL User Manual 14 Installation Flow About This Chapter This chapter demonstrates installation flow from unpacking to successful commissioning 15 SG10KTL S G12KTL SGI5KTL User Manual The following diagram shows the installation flow of inverter for installer Please follow these procedures Start gt Unpacking and Inspection Y Read User Manual Y Mounting the Inverter Electrical Connection Check before Commissioning Commissioning Troubleshooting ham gt Fig 3 1 Installation Flow Chart Table 3 1 Description of Installation Flow Unpacking and Inspection Section 4 1 Read this manual especially the section on safety instruction Chapter 1 Choose the best installation site Section 5 1 Install the inverter against the chosen wall Section 5 2 Connect inverter to PV arrays Section 6 5 Start up inverter and configure corresponding parameters Section 7 2 16 Unpacking and Storage About This Chapter This chapter illustrates unpacking and inspection after receiving the inverter unit Additionally it gives instructions about storage 17 SG10KTL
45. ress button to enter into its sub screen 69 SG10KTL S G12KTL SGI5KTL User Manual 4 Shortly press button to move cursor and shortly press button to set the value NOTE The positive symbol can also be changed to negative symbol The adjustable range is from 9999 9999 kWh Energy adj value Real measured value E tot reading value 10 7 4 Load Default A NOTICE If you perform the operation Load default all history accumulated information will unrecoverable cleared and all parameters will return to the default value except protective parameters and time Language Time Fneroy au Load Ce Are you sure to set it gt Load default Password P00000 y _ Firmware Version m O spo 1 Enter into the Load default screen following operation in Set language above 2 Shortly press button to move arrow to item Load default c 3 r 3 Long press button to enter into sub screen c 3 4 Shortly press button to input the password 111111 13 E 5 Long press button to confirm the command 10 7 5 Check Firmware Version User can not set this parameter 70 Operation of LCD Display Panel 10 Language Time Energy adj Firmware Version Load default LCD LCD_SG15KTL_V1_D_M p DSP DSP_SG15KTL_V11_B O OM Firmw
46. rinnen BE ici ane n 20 Unpacking and Storage 4 4 5 Storage of Inverter Where the inverter may not be installed immediately or inverter needs to be stored under certain condition store the unit as the following indications The unit must be packed into original carton and desiccant must be left inside If the original packaging is not accessible an equivalent carton which is able to support the unit weight and size can be used The packing should be sealed by adhesive tape The unit must be stored in a clean and dry place to protect against dust and moisture The storage temperature should be always between 25 C 60 C And the storage relative humidity should be always between 0 and 95 It is very important to keep the packing away from chemicals Otherwise it will lead to corrosion During the storage time periodically check any visible damage by rats Replace the packaging if necessary The packaging should be kept upright If there is more than one inverter to be stored the maximum layers for original carton is three After long term storage local installer or service dept of Sungrow should perform a comprehensive test before connecting the inverter into PV power system soo 60 C y Relative Humidity m Fig 4 4 Example for Inverter Storage 21 SG10KTL S G12KTL SGI5KTL User Manual 22 Installing Inverter against Wall About This Chapt
47. roceed with the following procedures Otherwise you will be exposed to lethal voltages or the inverter will be damaged 1 Disconnect the external AC circuit breaker and prevent it from connecting again 2 Rotate the DC switch to the OFF position A NOTICE Please strictly follow the sequence of the above procedures Otherwise it will lead to unrecoverable inverter damage 3 Wait about ten minutes until the capacitors inside the inverter have discharged 4 Measure to confirm AC output of inverter at the AC circuit breaker is voltage free 5 Pull AC connector out of the inverter 6 Release the locking part of DC connectors by pressing on the ribbing of the locking hooks with nipper pliers and pull outwards Press the ribbing Pull outwards Disconnect DC connectors 52 Troubleshooting and Maintenance About This Chapter This chapter illustrates troubleshooting and daily maintenance SG10KTL S G12KTL SGI5KTL User Manual 9 1 Troubleshooting 9 1 1 Troubleshooting of LED Indicator See Table 2 2 Description of LED Indicator for definition of LED s states Type of fault Troubleshooting LED indicators and 1 Disconnect AC circuit breaker LCD cannot be lit gt Rotate the DC Switch to the OFF position 3 Check the polarity of DC input RUN indicator 1 Disconnect AC circuit breaker goes out 2 Rotate the DC Switch to the OFF position 3 Check the correctness of electrical con
48. rom utility grid and then PV arrays before any maintenance work Even when the inverter is disconnected lethal voltages still exist within the inverter Before any maintenance work wait for at least ten minutes after disconnection and then perform the work SG10KTL SG12KTL SG15KTL User Manual Others A NOTICE Electrostatic discharge may damage the inverter During replacement or installation of the inner components the technical personnel should take appropriate protective measures such as wearing an electrostatic bracelet All safety instructions warning labels and nameplate on the inverter body e Must be clearly visible e Must not be removed covered and pasted These regulations should also be followed e The regulations related to the electricity fed into grid e The safety instructions related to the PV arrays Product Introduction About This Chapter This chapter introduces intended use main circuits and constituent parts of the inverter SG10KTL S G12KTL SGI5KTL User Manual 2 1 Intended Usage SG10KTL SG12KTL and SG15KTL They are referred to SG10 12 15KTL inverters hereinafter which are 3 phase string inverters without transformer are crucial units between the PV strings and utility grid in the small scaled PV power system Inverter is dedicated to converting direct current power generated by the PV strings into the stable alternating current which will be fed into the utility grid An exa
49. ss button ENER to decrease the value NOTE The contrast value ranges from O to 100 The recommended value is 50 or 60 10 5 Check Running Information In the default screen there is some basic information about the inverter If you want to know more information you can operate as follows 15 000kW 5 105 60kWh EN tot CEB 197500 kWh State Run P 2009 11 18 18 35 E day 105 6kWh Temp 49 5 C P dc 15428W P ac 15002W V dc1 380 0V V dc2 380 0V l dc1 20 3A l dc2 20 3A P dc1 7714W P dc2 7714W Shortly press button or R to enter into the four running information screens 2 Shortly press button to turn screens between the four screens 65 SG10KTL S G12KTL SGI5KTL User Manual 10 6 Check History Information The running record and the fault record are stored in the inverter Check Run record GED 15 0000 Up His inform m Run record 105 60kWh Start Stop TEORIA Set param Fault record State Run 2009 11 18 18 35 P24 50 2009 11 18 18 35 E day 105 6kWh P de 15 428kW P ac 15 002kW P 1 2 Run record T 2 V dc1 380 0V V dc2 380 0V BER 8 I dc1 20 3A I dc2 20 3A gt 2009 11 17 50 P dc1 7714W P de2 7714W 2009 11 16 32 1 Long press button E to en
50. system connect Ground cables of all inverters and mounting frame of PV arrays to the same copper bus bar In this way it will establish equipotential connection Inverter 1 Inverter 2 Inverter n m Im A nn m mm pm L gt HR mn o m i PV Arrays2 7 HA 5 PV Arraysn Al Mounting Frame of PV arrays Copper Bus Bar 009000090 000 09 O Grounding Electrode Grounding of PV Power System L1 L2 L3 N AC Circuit Breaker Inverter A L1 L2 L3 N 9 aw PE OO AC Grounding Electrode Grounding of Inverter AC Side Fig 6 3 Grounding for Inverter 43 SG10KTL S G12KTL SGI5KTL User Manual 6 8 Communication Connection 6 8 1 Communication Types The following RS485 communication type can be used to transfer the monitored information from inverter to a PC with monitoring software such as Solarlnfo Insight or to data logging device such as Solarlnfo Logger Where there is only one inverter a RS485 cable with RJ45 connector enables connection between inverter and PC Where there is more than one inverter all inverters are connected to PC ina daisy chain The first inverter in the chain must be terminated with a resistor of 120 Ohm And shielding layer of RS485 cable should be single point grounded e A converter such as RS485 232 converter or Solarlnfo Logger which converts 485 to 232 signal is needed between
51. t be in accordance with local and national electrical codes Only after receiving prior approval from the utility company and qualified personnel installing the inverter should the inverter be connected to the utility grid All cables must be firmly attached undamaged properly insulated and adequately dimensioned These regulations should also be followed e The regulations related to the electricity fed into the grid e The safety instructions related to the PV arrays 32 Electrical Connection 6 2 Overview of Electrical Installation Electrical connections of the inverter include DC connection AC connection and communication connection JUNG2OW SunAccess B PE erw D E Fig 6 1 Electrical Connection Diagram DN current Utility Grid Rated AC voltage is 230V AC circuit breaker Used as a protective device during electrical connection User equips this device according to maximum output voltage and 33 SG10KTL S G12KTL SGI5KTL User Manual 6 3 Terminals Description All electrical terminals are located at the bottom of unit as the following diagram shown Enough space should be kept for electrical connection at the bottom of the inverter when choos
52. t input areas for this PV string The same PV string The same PV string 5 Connect other PV strings in the same procedures if necessary Unused DC terminals should be sealed PV Connection of Parallel Mode Connect the inverter to PV arrays as the following procedures 1 Manually rotate the DC switch at the bottom to the OFF position 2 The two input areas are short connected as the following indications before any PV string connection 39 SG10KTL S G12KTL SGI5KTL User Manual 3 Check the connection cable of PV string for the correct polarity and that the short circuit voltage does not exceed inverter input limit 1000V even under the lowest operating temperature Refer to module specification supplied by module manufacturer 4 Check this PV string for insulation failure Measure the DC voltage between the positive terminal of and Earth and the DC voltage between the negative terminal and Earth If the two voltages are constant and not zero there is an insulation failure somewhere in this PV string Solve the insulation failure if required before connecting this PV string to the inverter 5 Plug the positive and negative DC connectors into corresponding terminals until there is an audible sound 6 Connect other PV strings in the same procedures if necessary Unused DC terminals should be sealed 40 Electrical Connection 6 6 Connecting Inverter to AC Grid Only after receiving prior approv
53. t ten minutes Step 3 Loose screws of inverter upper lid Step 4 Check that there is no voltage existing inside with appropriate test device Step 5 Replace the button battery The following requests should be obeyed during the battery maintenance 57 SG10KTL S G12KTL SGI5KTL User Manual e Servicing of batteries should be performed or supervised by personnel knowledgeable about batteries and the required precautions When replacing batteries replace with the same type and number of batteries or battery packs e Do not dispose of batteries in a fire The batteries may explode e Do not open or damage batteries Released electrolyte is harmful to the skin and eyes It may be toxic e A battery can present a risk of electrical shock and high short circuit current The following precautions should be observed when working on batteries Remove watches rings or other metal objects Use tools with insulated handles Wear rubber gloves and boots Do not lay tools or metal parts on top of batteries Disconnect charging source prior to connecting or disconnecting battery terminals Determine if battery is inadvertently grounded If inadvertently grounded remove source from ground Contact with any part of a grounded battery can result in electrical shock The likelihood of such shock can be reduced if such grounds are removed during installation and maintenance applicable to equipment and remote battery supplies not having a
54. tate the DC Switch to the OFF position 3 Check the frequency of grid side 4 If local grid condition exceeds AC demands of inverter reset the protective parameters See 10 7 9 Set Protective Parameters And if local grid frequency exceeds the upper limit value of Fgird max or if local grid frequency is under the lower limit value of Fgrid min please contact your local electricity company to adjust the grid frequency 5 Close AC circuit breaker and rotate the DC switch to the ON position 6 If the fault can not be solved please contact Sungrow If this malfunction occurs the reasons are very complicated 1 Disconnect AC circuit breaker 2 Rotate the DC Switch to the OFF position 3 Check the temperature of heat sink If its temperature exceeds 80 C restart the inverter until it recovers to environment temperature Recover DC switch to the ON position Close AC circuit breaker If this malfunction happens again please contact Sungrow Check whether AC circuit breaker is off Check whether AC cables are all firmly connected Check whether grid is cut off If all conditions are OK and this malfunction still occurs in the LCD screen please contact Sungrow 1 Check whether AC output power exceeds rated power too much 2 Check whether fans work normally and whether there are some abnormal from fans Otherwise please replace broken fan See 9 2 2 Replace Fan
55. tatiana ehesten 43 6 8 Communication CONNECtION ooonccnccccconncnncccconncnnnononnnnnnnononnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnonnnnnnnnnononnnnnnnnnnns 44 6 51 COMMUNICAMON PES en lee 44 6 8 2 RS485 Communication Connection cccccsesseeeccssasseeeecceasseeeecseasseeecseaseeeecssegseesecssagseetes 44 7 COMMISSION ME nun 7 1 Inspection before GOMMISSIONING au san did 48 7 2 COMMISSIONING PICA ds 48 9 Disconnectine Inverter el 9 Troubleshooting and Maintenance rssossssossssnsssonssssonnsnonssnnnnssnnnessnnsssnnne DO TL Lro bleshoolngsa ame a EEE A odveta 54 9 1 1 Troubleshooting o LED ale e j10 PAP P V O a eaei 54 9 1 2 Troubleshooting of Faults in LCD Screen eee a nn nn 54 92 MAINIENANCE aa Eee 56 OZ O eE OE O OO er A A A E E A E AN 56 9 22 Replace Kan ee a a eia een 57 92 3 Glean A en 57 924 Baley INICIA ancora otra 57 OPERATION INFORMATION 22 9 9 10 Operation of LCD Display Panel oooocononocononoconnnnnonononononanononaconanacananacannano OL 101 Descrblion 0l Buton FUNCION aaa 62 10 2 Operation Mode ot MI o br eee ooo 63 10 3 Overview OF Operation Mente A nes 64 TOTAS CONO een 65 10 5 Check RUMANO ON AO a iS 65 10 6 Gheek History ION AM A 66 107 Sel Partamecle SS SOM OHK O R adobes 68 10 7 2 Set EAN OU ACC sen nee sa 68 10 72 8e AMO es ee een 69 10 25 SetDSvalon OP E TO AAA APP iaecaants 69 A A rss A 70 10 7 5 Check Firmware Version ccccceccccec
56. ter into main control screen 2 Shortly press button to move arrow to item His inform 3 Long press button to enter into sub screen of His inform 4 Shortly press button to move arrow to item Run record Long press button to enter into sub screen 6 Shortly press button to move arrow to history time you want to check 7 Long press button to enter into sub screen 8 Shortly press button to turn screens Check Fault record NOTE The inverter can only store at most 20 latest fault records 66 Operation of LCD Display Panel 10 ad P 1 1 Fault rec T 2 1 gt 2009 11 05 09 15 59 a M Samp flt 0001 Y 3 er Isola 2 gt 2009 11 05 09 15 59 Vac high 278V Enter into the Fault record screen following operation in check run record above 2 Shortly press button to move arrow to item Fault record 3 Long press button to enter into its sub screen 4 Shortly press button to move screens if there is more than one screen Table 10 2 Fault Description Vac high Grid voltage exceeds the setting value of Vgrid max Grid voltage is less than the setting value of Vgrid min Fault of communication occurs between LCD and DSP Earth flt There is leakage current in the AC side Bus high The inner DC bus boost output volta
57. the protective parameter that has been set before delivery Vnorm is the current voltage of the utility grid Ttrip is the time from performing auto test operation to inverter stop running If the final value of Ttrip is less than the setting V high pro time it means that this protective function is valid 72 Operation of LCD Display Panel 10 10 7 7 Set Work Mode Inverter supports symmetrical mode and parallel mode of PV strings It can be set as the following procedures O Sys param Work Mode Work Mode Run param nana 0 S trical Mod Pro param Password 000000_ 0 Symmetrical Mode __ Com param D Work Mode 8 amp 1 Parallel Mode 6 D Enter into parameters setting screen following operation in Set language 2 Shortly press button to move arrow to item Work Mode 3 Long press button to enter into sub screen 4 Shortly press button to move cursor and shortly press button to set password 111111 5 Long press button to enter into sub screen 6 Shortly press button to choose work mode 7 Long press button to confirm the settings NOTE Work mode will be valid until the inverter is re energized again by rotating DC switch to the OFF position and then to the ON position The default work mode is symmetrical mode 73 S
58. verter 1 N 2 11 3 L2 4 L3 S PE Step 5 Pull cables outwards to confirm whether they are installed firmly Step 6 Combine the two front end parts together with the torque of 2 Nm Step 7 Tighten the water proof terminal with the torque of 5 Nm in opposite directions 6 6 2 AC Wiring Procedure A NOTICE Assignment of AC cables should be paid attention to especially PE wire Step 1 Assemble AC cables to connector supplied See 6 6 1 Assembling AC Cables to Connector Step 2 Make sure that the AC and DC circuit breaker are disconnected Step 3 Connect phase cables and N cable to AC circuit breaker Plug AC connector to corresponding AC terminals Screw AC cables except the PE cable to the AC circuit breaker Step 4 Connect AC circuit breaker to utility grid Step 5 Make sure that all AC cables are firmly installed 42 Electrical Connection 6 Grounding the Inverter Because of the transformer less design of the inverter the DC positive pole and DC negative pole of the PV arrays are all not permitted to be grounded All non current carrying exposed metal parts of the equipment and other enclosures in the PV power system should be grounded e g PV arrays frame and inverter enclosure Where there is only one inverter in the PV power system connect Ground cable to the installation ground Where there are multiple inverters in the PV power
59. verter in living area Noise may be produced during inverter running which may affect your daily life 26 Installing Inverter against Wall 5 5 2 Moving Inverter to Installation Site lf the inverter is to be installed remove the unit from the packaging and move it to the chosen installation site During the moving process the following instructions should be obeyed 1 Always remember the weight of SG10 12 15KTL inverters 2 Grasp the equipment with both hands by means of handles 3 Move the unit with the help of another person also or with the lifting device 4 Do not release the equipment unless it has been secured to the wall firmly 5 3 Installing the Inverter Inverter is installed onto the wall via backplate in the packaging 480 427 9 I Man Fig 5 1 Dimensions of Backplate unit mm There are two sets of stainless fasteners supplied to attach backplate to concrete wall and metal frame j 65 L Fig 5 2 Dimensions of Expansion Bolt Set for Concrete Wall unit mm 27 SG10KTL SG12KTL SG15KTL User Manual 45 gt OI A Fig 5 3 Dimensions of Fastener Set for Metal Frame unit mm For Concrete Wall Step 1 Remove backplate and fasteners from the packaging Step 2 Place the backplate onto the chosen concrete wall and adjust it until it is in a horizontal position Step 3 Mark the positions to drill holes

SG10KTL/SG12KTL/SG15KTLV31 PV grid

Contents

Download Pdf Manuals

Related Search

Related Contents