User Manual
Contents
1. Installation and Opertion Manual 32 8 Installation 8 1 Overview The installation introduction of KSG 10K 12K5 15K 17K 20K inverter is as follows Please read this chapter carefully to help you install the KSG 10K 12K5 15K 17K 20K photovoltaic grid connected inverter correctly gt Inspection of damage during transportation The KSG 10K 12K5 15K 17K 20K inverter may be damaged during transportation even if we have conducted the test and detection for it before transportation Therefore please inspect it before installation If any damage is detected please contact with the transportation company or Kstar directly We will provide you with the best and quickest service after you provide the photo of damaged part gt Basic installation requirement The KSG 10K 12K5 15K 17K 20K inverter can be installed outdoors with water proof and dust proof level of IP65 Some basic installation requirements are as follows gt It is the best to install it in the place where it is away from the living area due to some noise produced during its operation lt 40dB gt Assure there is no shake in the installation place gt Assure that the LED light or LCD can be observed conveniently installation place gt Assure that the ambient temperature is of 20 C 60 C gt Good ventilation is required gt Clean installation environment is required Installation and Opertion Manual 33 8 2 Mechanical installation 8 2 1 Instal2. of grid Connect the L3 of alternating current output with L3 of grid Connect the N of alternating current output with N of grid The earth terminal is connected with the land via guide line Confirm that the wiring is firm Warning Assure there is no live part of KSG 10K 12K5 15K 17K 20K inverter during electric wiring Installation and Opertion Manual 40 8 3 3 Wire for direct current connection Warning The open circuit voltage of photovoltaic array should not exceed 900V or the equipment will be damaged Measure the open circuit voltage of photovoltaic array with multimeter when connecting Warning The positive pole and negative pole of voltage for photovoltaic array cannot be reverse which can be measured with multimeter Cut off the distribution breaker of direct current to assure that there is no live wiring of direct current gt Measure the open circuit voltage for photovoltaic array with multimeter to assure that it cannot exceed 900V gt Confirm the positive and negative pole with multimeter gt The positive pole of photovoltaic array is connected with DC of direct current input gt The negative pole of photovoltaic array is connected with DC of direct current input gt Confirm that the wiring is firm Installation and Opertion Manual 41 8 3 4 Wire for communication connection The communication method of RS485 bus is adopted for this machine wh
3. China ina Germany Australia Italy Spain U 2 Germany K Hungary Local with 11 kinds in 2 A stala total Then confirm the selected option and enter interface of please starting up again refer to 7 4 4 7 by pressing ENTER button Press ESC button to cancel choice and return back setup interface refer to 7 4 7 4 3 Remote CTRL Press UP DOWN button to move Remote CTRL corresponding options Then confirm Disable the selected option and return back 2 Enable setup interface refer to 7 4 by pressing ENTER button Press ESC to cancel choice and return back setup interface refer to 7 4 Default option is disability Installation and Opertion Manual 21 7 4 4 Working parameters Press UP DOWN button to move Working parameters Corresponding options press ENTER to enter into the selected menu return back setup interface refer to 7 4 by pressing ESC there are 6 options in 3 Low voltage of total including starting up voltage electric network starting up timelag low voltage of electric network high voltage of electric network low frequency of electric network and high frequency of electric network 1 Starting up voltage 2 Starting up timelag 7 4 4 1 Starting up voltage Press UP DOWN to increase or START UP VOLT decrease the input figure move Input 350V the cursor backwards and confirm Unit V completion of input as well as enter into interface of please starting up again r
4. is connected with input end of the inverter which is then connected to input ee ii Figure 5 Parallel Input Mode gt Mixed input mode two groups of different PV arrays may be connected to input end of inverter where one group of PV arrays is required to lead out two lines of parallel input terminal and connected to terminal PV1 PV2 at input side of inverter while the DeAnna m Figure 6 Mixed Input Mode Installation and Opertion Manual 10 is Users are required to set the item Input Mode under LCD menu correctly based on actual conditions of photovoltaic generating system and confirm that the mode of connection at input side is consistent with setting refer to 7 4 1 If both input and output wirings are correct and the power grid is free of abnormal conditions the inverter will enter waiting mode The grid connection of inverter will be started fully automatic After PV voltage is higher than Vpv count down for grid connection will be started automatically for controller and prepare for grid connected operation after delayed for Td Manual setting 1s available for both Vpv and Td through LCD panel 5 3 System Shutdown If grid connected power of inverter is smaller than 100W continuously the alarm of zero power will emerge After alarming for one minute the inverter will cut away from the grid and reenter waiting mode The inverter will cut away from the grid upon discovery of any abnorm
5. l Stick the installation formwork from the packing list to the wall Use 10 driller kit to drill installation holes with reference of the following photo for the correct position Fixing model T l DOWN Installation formwork When sticking you should make sure the line printed on the formwork is horizontal Installation and Opertion Manual 37 2 Clean the dust inside the holes and insert expansion pipe into the holes And then tighten 4 screws into upper four pipes After tightening gap between the nut and the wall must than 10mm at least i y ii i Hy Hh thle Edis i i HAU Ny ii y iif NASAN HRI i ne i i Mi A HH i 3 Hang the inverter onto the 4 tapping screws and check both sides and keep the inverter in right position then tighten four tapping screws as shown in following pictures Installation and Opertion Manual s Ve 8 2 7 Ambient requirement I lt A A Attention The scope of ambient is 20 C to 60 C Meanwhile no direct sunlight for KSG 10K 12K5 15K 17K 20K inverter should be satisfied or the high temperature can influence the generated energy Warning Don t place KSG 10K 12K5 15K 17K 20K inverter with inflammable materials Warning The temperature of some parts of KSG 10K 12K5 15K 17K 20K inverter is very high Avoid contacting with them 8 3 Electric connection 8 3 1 Re
6. of when the code generates For example commercial power producing error code for high voltage 285V value of commercial power and we can refer to the voltage value of c at that that in this interface Some codes correspond no numerical values and then these interfaces are blank UP DOWN button is invalid and ENTER is also invalid press ESC button to return back the last interface Installation and Opertion Manual 29 7 6 Statistics Statistics 1 Time statistics 2 Times of paralleling in 3 Power peak 7 6 1 Time statistics This interface 1s used to select various options for statistics UP DOWN button is used to move corresponding options press ENTER button to enter the selected menu and press ESC to return back the user interface refer to 7 3 there are 8 options including time networking number total that day that week that month that year power peak Operation 86 Paralleling in 56 Unit Hour This interface displays operational time and generating duration of the inverter UP DOWN button 1s invalid and ENTER 1s also invalid press ESC button to return back statistics interface refer to 7 6 7 6 2 Times of paralleling in Times of paralleling in Numerical value 45 Installation and Opertion Manual This interface displays times of paralleling in for the inverter UP DOWN button is invalid and ENTER is also invalid press ESC button to return back statistics interface
7. refer to 7 0 30 7 6 3 Power peak This interface displays history power peak and today power peak of the inverter UP DOWN button is invalid and ENTER is also invalid press ESC button to return back statistics interface refer to 7 6 After starting up 10645 That day 9600 Unit W 7 6 4 Generated energy of that day This interface displays generated energy of that day UP DOWN button Numerical value 100 is invalid and ENTER is also invalid Unit Kwh press ESC button to return back statistics interface refer to 7 6 This interface displays generated energy of that week UP DOWN Numerical value 700 button is invalid and ENTER 1s also Unit Kwh invalid press ESC button to return back statistics interface refer to 7 6 This interface displays generated energy of that month UP DOWN Numerical value 3000 button is invalid and ENTER 1s also Unit Kwh invalid press ESC button to return back statistics interface refer to 7 6 Installation and Opertion Manual 31 7 6 7 Generated energy of that year This interface displays generated energy of that year UP DOWN button Numerical value 30000 is invalid and ENTER 1s also invalid Unit Kwh press ESC button to return back statistics interface refer to 7 6 This interface displays gross generation of the inverter UP DOWN button is invalid and ENTER 1s also invalid press ESC button to return back statistics interface refer to 7 6
8. through RS485 Installation and Opertion Manual 16 Inverter RT45 FIFI Bras Pin corresponding relationship i No RS485 Pano zsa between inverter and GPRS 2 8 2 NC Wifi unit 3 NC 3 NC 5 GND 5 B 6 NC 6 NC 8 NC 8 GND T568B pin connection table 1 white orange 2 orange 3 white green 4 blue 5 white blue 6 green YANK 345678 R45 Crystal head ner JE 7 white brown i AUY 8 brown IHUN 54321 T5688 Inverter RJ45 Inverter RJ45 RS485 Pin NO RS485 Pin corresponding relationship between inverter and inverter unit 6 3 WLAN optional Equipped with WLAN WIFI box the inverter can realize Ethernet wired wireless multiple computer communication 6 4 Remote control The inverter can realize the remote SHUTDOWN and ON and power limit regulatory function by the associated monitoring software Installation and Opertion Manual 17 7 LCD Operation Menu 7 1 Initialization Explanation After starting up of inverter During initialization LCD will firstly enter this interface and please wait deliver parameters required by operation of the machine to DSP 7 2 Major cycle menu After initialization LCD will enter a major cycle menu to display running information of the inverter in a circulating mode including 10 interfaces for network voltage frequency of electric network etc Time for automatic switch over between interfaces is 3 seconds also the interfaces can
9. KS TAR Solar Inverter User Manual 201402 Ver 1 0 Table of Contents l AMEE OCC OMNES 111 Get cea vores yercaeeee ANEA 4 Ze O O arara AE E EE 5 DM E E E N O I A E N E N 5 2 2 PV Grid connected Generating System 00000000000000eeee0000s 5 2 3 How to Use This Mantal ssssnrsirsarsesinessreniir k 5 De Uy C OS srn R E EE E T 6 4 Overall ai score it e660 eee enter ere een ee enet eee etn ennrer tere tener eeerenEn f EE UTE SUE OUI o EE A E E E E 7 4 2 Description for External Interface cccesssseeeeeeeeees 8 3e ey Se OPTION serrera nE densi EE E E EEEE 9 SA Ee SC Ta IVS EN E TOE TE ETE 9 5 2 Grid connected Operation eesssssssssseeetetrerrreeessssssssssssrrree 9 So oye SU OW eer E e EEEE 11 5 4 Error and Aa ATI ode chncic xeayicndc war vodecqewsntesoerinae teavendeaseredexeerencc as 11 5 5 Type of system fault and trouble shooting eeeee 13 6 Human machine Miera O esasan ae ern rennet ree eter 15 6 1 LCD controlled panel trays cosaseanvecceeon coo sennpsneaivescasdscanvercencntneseees 15 6 2 Networking for Monitoring sessssseeseeeeserrerererrrrrrrrrrrrrrrrn 16 0 WLAN OPO oosina raen een E t7 6 4 Remote control case ascesddadesancacaesteesnenseausa esa eaatesetuaaseeeneeemncans 17 PNT he AO VRC aaee EEE E TEET 18 TA RUMI CE A UO EAE egestas E E A anise 18 Ted Maor Gy Cle mE eean a nesaeesoes dase oeeceeaeetsaes 18 te WIS MING T E rE A EE 20 TES E 20 Installation and Opertion Man
10. al condition during the grid connected process 5 4 Error and Alarm The error and alarm information of KSG 10K 12K5 15K 17K 20K photovoltaic grid connected inverter refer to the following table Table 5 1 Working conditions and fault alarm message Working conditions Description Normal working status z Inverter OFF No display Aa S 180V the inverter is nverter Stand b PV voltage gt 350V adjustable Self test the inverter get started and self test all modules Installation and Opertion Manual 1 Normal Power Generation Normal Monitoring parameter displa Instant Power Rate amp Volume Of Power Generated Voltage And Current Of DC XXX X PV1 PV2 PV3 Input VXXX X A Voltage And Current Of AC AC XXX X V output XXX X A stem faulty displa AC Voltage Low AC Voltage High AC Frequency Low AC Frequency High Bus Voltage Low Bus Voltage High Bus Voltage Abnormal F06 Insulation Impedance Low F07 nput current high 08 Reserved 09 nverter Current High 10 nverter DC Current High 11 Reserved 12 Heatsink Temperature High F13 AC Relay Abnormal 14 PV Input Voltage Low F15 Remote Off 16 Reserved 17 SPI Communication Fault F18 Reserved 19 Leakage Current High 20 Self Checking Failure Of F21 Leakage Current Consistency Voltage Fault F22 Consistency Frequency Fault F23 Installation and Opertion Manual Generate AC power and feed to municipal Grid after self test is Voltage and c
11. and COS TIS cceccetnccanvactecestetacsanectcosdseetpniarvectectietcactares 43 P Wee ome DA Renee Renee re ee ep E E EE nen eee 4q IAP e E E EA E N T 45 10 1 Quality ASS AI saraa cc shy caneceutvitun osonavertwerstaaaseranieeetvitas sinners 45 Installation and Opertion Manual 3 1 Introduction for Signs In order to make a better use of this manual please read the following sign explanation carefully Warning This sign indicates that it may cause danger to safety of users and or attentions or instructions for possible serious damage to hardware ics Instruction This sign indicates important attentions required for good operation of the system Installation and Opertion Manual 4 2 Introduction 2 1 Preface Dear users thank you for using photovoltaic grid connected inverter products manufactured by Kstar which is experienced in development of photovoltaic grid connected generating sets We hope this product can meet your demands and welcome you to put forward more suggestions on performance and functions of this product 2 2 PV Grid connected Generating System The photovoltaic grid connected generating system is composed of solar cell module grid connected inverter metering devices and power distribution system as shown in Figure 1 The solar energy is converted to DC electric power through solar cell module which is further converted to sine wave current synchronous with grid frequency and phase via grid connec
12. arameter is changed without prior notice Installation and Opertion Manual 46
13. be switched manually by pressing UP or DOWN buttons if you want to fix at a certain interface press ENTER to lock this interface after successful locking a lock icon will occur at upper right corner of this interface press ENTER button again this interface will be unlocked and the menu will continue to display in a circulating mode Installation and Opertion Manual 18 A UP DOWN M Eter Setting UP DOWN UP DOWN SS y Inquiry 4 UP DOWN y UP DOWN Enter SES Statistics UP DOWN UP DOWN or 3secs A4 A4 ESC r UP DOWN UP DOWN UP DOWN UP DOWN UP DOWN Display conversion Figure 11 Interface of recycling display When the menu is in an automatic cycling display mode if error fault or warning alarm occurs it will skip into system interface immediately and lock to it and this will make convenience for the user to determine its cause based on codes on the interface After disappearing of error fault or warning alarm the menu will return to automatic circulating mode Press ESC button to exit major circulating menu interface and enter user interface refer to 7 3 Installation and Opertion Manual 19 7 3 User interface Select corresponding options by pressing UP or DOWN button enter setting gt Tac inquiry and statistics menus by a ee pressing ENTER button Press ESC to 3 Statistics or return major circulating menu 1 Se
14. een 240 and 280 This parameter is changed by grid standards 7 4 4 5 Low frequency of electric network Press UP DOWN to increase or decrease the input figure confirm input and enter into interface of please starting up again refer to 7 4 4 7 by Input pressing ENTER button Unit press ESC to cancel input and return back working interface refer to 7 4 4 the input figure is between 45 and 49 8 This parameter is changed by erid standards Installation and Opertion Manual 23 7 4 4 6 High frequency of electric network Press UP DOWN to increase or decrease the input figure confirm input High frequency of and enter into interface of starting up again refer to 7 4 4 7 by pressing ENTER button Input 50 5 Press ESC to cancel input and return ae ii back working interface refer to 7 4 4 the input figure is between 50 2 and 55 This parameter is changed by grid standards electric network 7 4 4 7 Please starting up again A prompt that it is required to start the machine once again so that the setup Please starting up again relevant to working will be effective and it will return back operational parameter interface refer to 7 4 4 within 2 seconds 7 4 5 485 address Press UP DOWN to increase or decrease the input figure confirm input and return back setup interface refer to 7 4 by pressing ENTER button press ESC button to cancel input and return back setup interface refer t
15. efer to 7 4 4 7 by pressing ENTER button press ESC to move the cursor frontward and return back working interface refer to 7 4 4 the input figure is between 350 and 850 default is 350 7 4 4 2 Starting up timelag Interface Description Press UP DOWN to increase or START UP DELAY decrease the input figure confirm Input 60 input and enter into interface of please Unit Secon d starting up again refer to 7 4 4 7 by pressing ENTER button press ESC to cancel input and return back working interface refer to 7 4 4 input figure 1s between 60 and 300 This parameter is changed by grid standards Installation and Opertion Manual 22 7 4 4 3 Low voltage of electric network Press UP DOWN to increase or GRID VOLT LOW decrease the input figure confirm Input 187 input and enter into interface of please Unit V starting up again refer to 7 4 4 7 by pressing ENTER button press ESC to cancel input and return back working interface refer to 7 4 4 input figure is between 150 and 210 This parameter is changed by grid standards 7 4 4 4 High voltage of electric network Press UP DOWN to increase or High voltage of decrease the input figure confirm electric network input and enter into interface of please Input 264 starting up again refer to 7 4 4 7 by Unie Yy pressing ENTER button l press ESC to cancel input and return back working interface refer to 7 4 4 the input figure is betw
16. elgium 184 264 ars 515 Jo Ausw J202 ars 0s lo France 184 268 ars s04 Jo Local 1s0 280 sss o In the running process errors such as AC overvoltage AC undervoltage AC overfrequency and AC underfrequency occur the DM series go to boot wait time directly after 60 seconds when the power gird returns to normal 10 Appendix 10 1 Quality assurance The quality assurance for product of Kstar can be conducted only on the condition that invoice and date when customer purchases the product should be presented and the trade on the product is clear during quality assurance period Condition Installation and Opertion Manual 45 gt Kstar will maintain or replace the product having fault with the new one free of charge when the fault is produced during quality assurance period gt The unqualified product after replacing should be returned to Kstar gt The reasonable period must be reserved by customer so that Kstar can repair the equipment having fault Kstar has the right to reject the quality assurance when the following conditions appear Damage due to transportation Incorrect installation Incorrect refit Incorrect use Vv YV YV Y Operate it beyond the extreme hostile environment described in this manual M Install and use it beyond the scope of any provision in relevant international standard gt Damage due to abnormal natural environment Please refer to the newest data if product dimension and p
17. en PC is used for monitoring of signal or multiple grid connected inverters and the RJ45 terminal of terminals for inverter is the port that is used for connection of internal 485 Bus The monitoring can be fulfilled when PC is connected with RS485 Bus via RS485 RS232 converter The wiring diagram of communication system is in Fig 16 The diagrams for RS485 RS232 converter and RJ45 terminal and 485 bus ports are in Fig 17 and 18 respectively PC RS232 port RT RT GHD HC EC Fig 17 RS485 RS232 Converter Fig 18 RS485 Port Installation and Opertion Manual 42 8 4 Starting and closing Starting process 1 Connect the photovoltaic array KSG 10K 12K5 15K 17K 20K inverter and alternating current grid correctly according to the above mentioned installation process 2 Measure whether the voltage of alternating and direct current meets the starting condition of machine with multimeter before starting First close the breaker of direct current input 4 Then close the breaker of grid 5 The KSG 10K 12K5 15K 17K 20K inverter will be started automatically and combined to the grid when the conditions for normal operation of machine are satisfied 6 The grid connected inverter cannot be controlled manually after its normal operation and it has the functions of automatic starting and closing after fault Closing process 1 The grid connected inverter will close automatically when the solar cannot meet the requireme
18. energy of that weeK eeseeneeeeeeeeereeeereenn 31 7 6 6 Generated energy of that month seco ccenccencoocccestzecencacseceee 31 7 0 Generated energy of that yli snserenrerernniesrnan 32 TOB Gross generato esser nE EA ene wee a2 8 PANS UAW ae ccararecone vsteeuaiensiesiae evereaaeerae qneesenaacrseesasesorunacarae oreevengns 33 of Oho gd Ee ee eee ne eee eee ne ne en eee eee Caer 33 8 2 Mechanical installation oieecsetese parsers teareeacenctsnmenseencntnosancerdenseaees 34 8 2 1 Installation introductions x casssswaiscsetuwtt debaiastaeetwesoenesuadenss 34 8 2 2 Mechanical dimensin ccccccccccceceeeeceeeeaesesseseeeeees 34 a PA TN access eggs te tutes E get ee enna 36 8 2 4 Installation of Inverter eheretan caeecsacinsssatesndeeupninsetecnsersnants 36 8 2 5 Installation Location eseeeeeeesessssssssssesrerereresessssssssss 37 8 2 6 Installation Procedure ssssiisreiroricrrsroissrritorisosrroiirsitarissi 37 8 2 7 Ambient requirement arn sc sas oscetcsotedseceassadtcsenavaianavscanccernda 39 8 3 Electric CONN C O ire cereugesasusysspustenonnssonsssonsdesondesone ousveeennwvonvess 39 8 3 1 Requirement for electric installation saiecsnvacccshevsvseswoaviecses 39 8 3 2 Wire for alternating current connection 000cc00e 40 8 3 3 Wire for direct current CONNECTION ss sian ccassdoaniettensssbovestese 41 8 3 4 Wire for communication connection cccceeeeeeeeeees 42 S4 Starting
19. f checking mode self checking will be conducted by inverter each time prior to grid connected operation The inspection items include inspection on insulation impedance at DC side self checking for leakage current detection function and inspection on AC output relay Grid connected operating mode the direct current of PV battery board is converted to alternating current by the inverter for grid connected operation The advanced MPPT algorithm is adopted for controller making the inverter operating at the maximum power point of PV arrays Error mode the inverter will enter error mode when grid voltage frequency is abnormal or fault arises during grid connected process At this time it will stop transformation of electric energy and cut away from the grid 5 2 Grid connected Operation Prior to grid connection of the inverter please confirm if the wirings among input side of inverter PV arrays output side and power grid are all correct Three kinds of modes are optional for connection between DC input side of KSG 10K 12K5 15K 17K 20K grid connected inverter and PV arrays Installation and Opertion Manual 9 gt Independent input mode three groups of different PV arrays may be connected to input end of inverter and independent MPPT controller is available for each group of PV arrays to control grid connected operation oe a m Figure 4 Independent Input Mode gt Parallel input mode only one group of PV arrays
20. ge whether it is complied with local safety standard 2 Please check the AC output line is properly connected Make sure its output voltage to see if it is normal 3 Disconnect PV input and restart the inverter and check whether fault still exists 4 Contact with your local distributor if the fault still exists 1 Please check the setting of input mode 2 Disconnect PV input and restart the inverter and check whether fault still exists 3 Contact with your local distributor if the fault still exists 1 Please check the setting of input mode 2 Please try to restart inverter every few minutes for several times and check whether fault still exists 3 Contact with your local distributor if the fault still exists 1 Disconnect PV input and restart the inverter and check whether fault still exists 2 Please measure impedance of PV PV to ground whether is over han 500KQ 3 Please contact your local distributor if impedance is less than S00KQ Installation and Opertion Manual 13 AC voltage amp frequency are too high or too low Fault F07 1 Please check the setting of input mode Input Current High 2 Disconnect PV input and restart the inverter and check whether fault still exists 3 Contact with your local distributor if the fault still exists 1 Disconnect PV input and restart the inverter after few minutes and check whether fault still exists 2 Contact with your local distributor if the fault still exists 1 Disco
21. lation introductions For any live part of electronic product the deadly dangerous may happen due to touch of it For this product the voltage of direct current 1s 900V and the voltage of alternating current is 400V Attention is The professional electrician must be invited to install this inverter 8 2 2 Mechanical dimension We offer the dimension of case aiming to create the convenience for your mechanical installation of KSG 10K 12K5 15K 17K 20K inverter The mechanical dimension of KSG 10K 12K5 Champagne 506x700 lt 210mm in widthxheightxdepth Its weight is 41kg Silver 506 lt 695x204mm in widthxheightxdepth Its weight is 37kg The mechanical dimension of KSG 15K 17K 20K Champagne 522725x210mm in widthxheightxdepth Its weight is 46kg Silver 522x720x204mm in widthxheightxdepth Its weight is 42kg Installation and Opertion Manual 34 725mm Fig 12 KSG 10K 12K5 Dimension champagne Fig 13 KSG 15K 17K 20K Dimension champagne 204m 720mm Fig 14 KSG 10K 12K5 Dimension silver Fig 15 KSG 15K 17K 20K Dimension silver Installation and Opertion Manual 35 8 2 3 Packing Please check carefully before opening the package of the equipment It may cause the inverter damage in case the packing material is found damage please contact with forwarder for claim If necessary Please feel free to contact us 8 2 4 Installation of Inverter Please read the following installation instruction before you start your wo
22. nnect PV input and restart the inverter after few minutes and check whether fault still exists 1 Disconnect PV input and cool down the inverter then restart the inverter to see if it is back to normal operation 2 Please check environmental temperature whether out of working 2 Contact with your local distributor if the fault still exists 1 Disconnect PV input and restart the inverter and check whether fault still exists 2 Contact with your local distributor if the fault still exists 1 Please check the configuration of PV input one of PV input is PV Input Voltage idle when inverter is set on parallel mode 2 Disconnect the PV input and restart the inverter and check hether fault still exists 3 Contact with your local distributor if the fault still exists AC Relay Fault F14 1 Disconnect PV input and restart the inverter and check whether fault still exists 1 Disconnect PV input and restart the inverter and check whether fault still exists 1 Disconnect PV input and restart the inverter and check whether fault still exists 1 Disconnect PV input and restart the inverter and check whether fault still exists 1 Disconnect PV input and restart the inverter and check whether fault still exists 1 Disconnect PV input and restart the inverter and check whether fault still exists 1 Disconnect PV input and restart the inverter and check whether fault still exists Installation and Opertion Manual 14 6 H
23. nt for generating 2 The operation can be performed via LCD on the panel Closing process for emergency Firstly cut off the breaker of grid and then cut off the breaker of direct current for photovoltaic array if the emergency closing is required or the direct current breaker will be damaged and the personal hazardous will be produced Kstar cannot commit the quality assurance and bear any responsibility arising from it due to failure of complying with this requirement Installation and Opertion Manual 43 9 Technical Data Table 9 1 Technical Data Maximum voltage of direct 900V current 580V Tracking scope of voltage 250V 850V Full load MPP voltage 300V 750V 350V 750V 400V 750V Maximum tracking quantity of Rated operational voltage ge Maximum input direct current 12A 12A 12A 17A 17A 17A Output data poe ou a power ct lokKW 12K5w 15kw 17KW 20KW alternating current Allowable voltage scope of grid 323 437V Refer to Table 9 2 a CODE Or 50Hz 5Hz Refer to Table 9 2 gri Dimension champagne silver W x H x D mm 506x695x204 522x720x204 Available ambient temperature Eon ae ee pean 4 lines of LCD 4 keys 4 LED interface 44 Installation and Opertion Manual T z 3 zy Table 9 2 Grid Specification single phase Grid Error recovery specification Range Vac Range Hz time S time S Germany 196 264 ars s15 oo Awsiraia 200 270 fas o iay isa o7 o fo B
24. o 7 4 the input numerical value is between 1 and PA Input Installation and Opertion Manual 24 7 4 6 485 baudrate Description Press UP DOWN button to move corresponding options And confirm selected option and return back the 1 2400 bps setup interface by pressing ENTER button refer to7 4 press ESC button 2 4800 bps to cancel choice and return back setup 3 9600 bps interface refer to 7 4 options include 2400 4800 9600 and 19200 with 4 in total 7 4 7 Display language Description Press UP DOWN button to move corresponding options And confirm selected option and enter into the setup interface refer to 7 4 by pressing ENTER button press ESC button to 2 ENGLISH cancel choice and return back setup 3 DEUTSCH interface refer to 7 4 Display language 1 Chinese 7 4 8 LCD backlight Press UP DOWN to increase or Backlight time decrease the input figure confirm input Input 20 and return back setup interface refer Unit Second to 7 4 by pressing ENTER button press ESC button to cancel input and return back setup interface refer to 7 4 the input numerical value is between 20 and 120 Installation and Opertion Manual 25 7 4 9 Date time Date 2000 01 01 Time 02 43 03 Week 6 Press UP DOWN to increase or decrease the input figure press ENTER button to move the cursor backwards confirm input and return back setup interface refer to 7 4 and move the cur
25. on 1s invalid and press ESC button to return back the inquiry interface refer to 7 5 7 5 2 MODEL SN This interface displays product series No of the inverter UP DOWN button is invalid ENTER button 1s invalid and press ESC button to return back the inquiry interface refer to 7 5 7 5 3 Firmware This interface displays edition No of firmware such as ARM and DSP in ARM Edition inverter or even UP DOWN button is invalid ENTER button 1s invalid and press ESC button to return back the inquiry interface refer to 7 5 Installation and Opertion Manual 28 7 5 4 RECORD This interface displays record and its occurring time including two 1 FO1 types of fault and warning alarm its Date 2011 10 21 content will be described in codes Time 16 35 26 with total number of 500 at utmost after exceeding this extent the one with earliest time will be covered Press UP DOWN button to look over record backwards or frontward and press ENTER to enter into explanation interface for corresponding record content as shown in the following Figure Press ESC to return back inquiry interface refer to 7 5 This interface is used for Description for the recorded codes UP DOWN High voltage of button is invalid and ENTER is also commercial power invalid press ESC button to return back to the last interface This interface is used for displaying the Numerical value corresponding specific numerical value Voltage
26. quirement for electric installation gt Photovoltaic array The open circuit voltage for photovoltaic array cannot exceed 900V with allocated power for it of 12KW I lt gt Three phase grid The grid is detected continuously by KSG 10K 12K5 15K 17K 20K inverter to refer to whether it can meet the grid connection condition The grid limitation for grid condition is as follows Meanwhile the grid connected inverter should be installed with permit of local electric department Installation and Opertion Manual 39 gt er ere Connected wire Select the inner diameter of 12AWG 4mm and the outer diameter of D6mm of the photovoltaic cable as the connecting line of the PV input terminal Select the inner diameter of 1OAWG 5AWG 6mm 16mm_ and the outer diameter of 16 22mm of the photovoltaic cable as the connecting line of the AC output terminal Cables should avoid high temperature flame and rain water whenever possible Tools The multimeter wire stripper and screw driver are required during electric connection 8 3 2 Wire for alternating current connection gt YYYY Y Y The breaker of alternating current is cut off when wiring to assure that there is no electricity at the terminal of alternating current wire And then confirm it after measuring of multimeter Connect the L1 of alternating current output with L1 of grid Connect the L2 of alternating current output with L2
27. rk so as to achieve best effect of the inverter l In order to keep long life of inverter the installation site should be always kept dry Select suitable location to install the inverter where is not so easy for pedestrian to touch but consider easy installation and easy maintenance as well Make sure the inverter should be kept at least 30CM away from other stuff Don t directly expose the inverter under the sun light high temperature will affect the inverter s working efficiency When the temperature keeps below 40C the inverter will be in best working status the life of inverter will be maximum Keep good ventilation so as to reduce heat accumulation Once installing inverter in living environment don t mount it in plastics plate or wooden plate to avoid noise it is better to mount it on the wall The inverter generates heat during normal working status don t install it on a flammable objects or near the place to store flammable materials Don t install it near potential explosion area Installation and Opertion Manual 36 8 2 5 Installation Location 1 The inverter is suitable to be installed on vertical or backwards tilt wall as shown above the tilt angle should be less 20 2 Don t install inverter on forward tilt wall 3 Don t install inverter on horizontal wall 4 Mount the inverter at height same as eyesight for easy operation and data reading 8 2 6 Installation Procedure
28. rode input of photovoltaic array respectively Pe 2 AC OUTPUT AC output spaced by three phases AC switch and connected to L1 L2 L3 N and GND of three phase grid gt 3 Communication Interface RS232 connected with PC via joint RS232 gt 4 Communication Interface RS485 wire RS485A B is connected with PC via converter RS485 RS232 When two or more inverters are in parallel communication 2P DIP switch beside RJ45 of the last one should be ON Or else it may cause communication interruption That 2P DIP switch is on means connecting a 120Q communication terminal resistance between the R T and R T gt 5 DC switch can judge the positive and negative electrode input of photovoltaic array option gt 6 WIFI port option The inverter is equipped with WIFI port If you need to use WIFI function please choose to use the External WIFI amp Ethernet Box WIFI communication can be single or network used 32 PCs at most Installation and Opertion Manual 8 5 System Operation 5 1 System Mode The operation modes of KSG 10K 12K5 15K 17K 20K grid connected type inverter include the initialization waiting self checking grid connected operating and error modes gt gt Initialization mode the internal data will be initialized upon power on of controller Waiting mode the inverter will be under waiting mode if the output voltage of PV battery board is low and it has not detected any fault Sel
29. sor frontward and return back setup interface refer to 7 4 by pressing ESC button 7 4 10 History clearing History clearing Cancel 2 Confirm Installation and Opertion Manual Clear all records in inquiry record menu refer to Press UP DOWN button to move corresponding options and confirm the selected option and enter into setup interface refer to 7 4 by pressing ENTER press ESC button to cancel option and return back setup interface refer to 7 4 26 7 4 11 Password setting This interface will be used to alter Password password when entering into the setup Old one XXXXX interface refer to 7 4 New one AXXAAX Press UP DOWN to increase or Confirm XXXXX decrease the input figure press ENTER button to move the cursor backwards confirm input and return back setup interface refer to 7 4 and move the cursor frontward and return back setup interface refer to 7 4 by pressing ESC button 7 5 Inquiry Press UP DOWN button to move the corresponding option enter into the 1 INV MODEL selected menu by pressing ENTER 2 MODEL NO button and return back the user 3 FIRMWARE interface refer to 7 3 by pressing ESC 4 RECORD button there are 4 options in total including INV MODEL MODEL NO FIRMWARE and RECORD Installation and Opertion Manual 21 7 5 1 INV MODEL This interface displays product Model of the inverter KSG 10K UP DOWN button is invalid ENTER butt
30. ted inverter Such electric power is then fed into power grid The photovoltaic grid connected inverter is the key equipment in solar power system Photovoltaic Generating System 2 3 How to Use This Manual This manual aims to provide detailed product information and installation amp use instructions for users of KSG 10K 12K5 15K 17K 20K photovoltaic grid connected inverter manufactured by this Installation and Opertion Manual 5 company Please read this manual carefully prior to use of this product and store it properly in a place where it is convenient for installation operation and available for maintenance personnel 3 Safety Instructions gt Please read this manual carefully prior to installation This company assumes no responsibility for quality assurance upon equipment damage due to installation failing to follow instructions in this manual gt All operations and wiring shall be conducted by professional electrical or mechanical engineer gt Do not move other parts inside the machine case except the binding post during installation gt All electrical installations must conform to local standards for electrical installation gt Please contact with local appointed personnel for system installation and maintenance if this equipment requires the maintenance gt Use of this equipment for grid connected power generation must be approved by local power supply departments gt When the photovoltaic arra
31. tting After entering into the setup interface the system will prompt to input password the default password 1s XXXXX 000000 and this password can be altered Password setting menu refer to 7 4 7 Press UP DOWN to increase or decrease the input figure press ENTER button to move the cursor backwards press ESC button to move the cursor frontward After successful input of password it will enter setting option interface Press UP DOWN to move corresponding options and enter the selected menu by pressing ENTER button press ESC button to return back the user interface refer to 7 3 there are 11 options in total including input mode standard for electric network programmed enable working parameters 485 address 485 baudrate display language LCD backlight date time clear history password setup Input 1 Input mode 2 Standard for electric network 3 Programmed enable Installation and Opertion Manual 20 7 4 1 Input mode Press UP DOWN button to move corresponding option Then confirm the selected option and enter interface of please starting up again refer to 2 Parallel connection 7 4 4 7 by pressing ENTER button 3 Mixed connection Press ESC button to cancel choice and return back setup interface refer to 7 4 Default option is independent Input mode Independent 7 4 2 Standard for electric network Press UP DOWN button to move corresponding options including Ch gt 1
32. ual TAA oput TO Sse sees settn eeraa scare iri en 21 7 4 2 Standard for electric network sipcccrecansdssadensanractonctscasocasye 21 e ARO 0G DM E EE 2l 7 4 4 Working Pal AIC eS xicco eres cess accesses a 22 7 4 4 1 Starting up Voltage cccccccccccceseeeeeeesssseesseeeees 22 7 4 4 2 Starting up timelag cc cccccccceceeeeeeeeeeeeeeeeeeeees 22 7 4 4 3 Low voltage of electric network cccccccceeeeeees 23 7 4 4 4 High voltage of electric network ccccecceeeeeeeee 23 7 4 4 5 Low frequency of electric network cccccccees 23 7 4 4 6 High frequency of electric network 0666 24 7 4 4 7 Please starting Up again onoeneenenononnessssssseseeee 24 oE AOD OUTS IEEE EAEE EA 24 TADAS WOOT AU aecaieaii i Rae Ea S iia 25 TA T Display anotat E seinninn aerie 23 TAS COD Dack ue il pesones reinn ENN Ni 25 T49 Dato G senesne nuerssi errenneren nr REEE 26 PO TSO CEI E eeren EA 26 TAL PI Ord EE a T TET 2l TE ae a EENE ER R E A EAE T E E 2l Fo INY MODET oe erore E AE E ONE 28 Ta MODELE 5 N eee r I EE 28 ToS O ARG e sestesnedoceruiadeseesieseeeraceceiacsee eeenete 28 oA RECORD ee E E 29 TOS OS a R E A E 30 TOI Tio Stati SUICS t cco ccdtc cicaveiacavecasecceavebacoratdte ceaveeasancesenatavss 30 720 2 Timos of Parae MAS iaee e E E 30 E D a 9 S EEE E EN EEEE E 31 Installation and Opertion Manual 2 7 6 4 Generated energy of that GAY sccriscsoseccccsseazescseseccsesereseneshs 31 7 6 5 Generated
33. uman machine Interface 6 1 LCD controlled panel There are 4 buttons and 4 LEDs installed on the panel of KSG 10K 12K5 15K 17K 20K inverter as shown in Figure 7 WAIT NORMAL ALARM FAULT DOWN ENTER Figure 7 LCD Controlled Panel Table 6 1 Description for LED light Table 6 2 Description for functions of buttons Return Cancel Exit Upwards choice menu increase value when setting parameters DO DOWN Downwards choice menu decrease value when setting parameters ENTER Enter menu confirm set value move cursor is Note press any button backlight of LCD will last for a certain period specific time can be set in the menu Installation and Opertion Manual 15 6 2 Networking for monitoring The inverter is provided with various kinds of communication modes when the user requires to monitor the running information of photovoltaic power generation system we will offer the following design scheme for monitoring system The maximum distance of RS485 communication is about 1000m and device number should not be more than 32 W Intelligent cluster controller Inverter Ethernet Data Collector Figure 8 Data collector conducts monitoring through RS485 E PC machine Inverter R5234 R5485 Converter Figure 9 PC machine conducts monitoring through RS485 E Data collector PC machine Inverter EF fl Data Collector i Ethernet Figure 10 Data collector and PC machine conduct monitoring
34. urrent from PV arrays Grid Voltage and current AC Voltage is too low AC Voltage is too high AC frequency is too low AC frequency is too high Bus voltage is too low Bus voltage is too high Positive voltage or negative voltage is too high or too low on bus PV arrays Insulation impedance is too low PV Input current is too high Reserved Inverter current is too high Inverter DC current is too high Reserved Heatsink temperature is too High AC relay is abnormal One of PV input is idle when inverter is set on parallel mode Status of inverter is on remote off Reserved Communication fault on control board Reserved Leakage current is too high Self checking Failure of Leakage Current Inconsistent voltage between primary CPU and secondary CPU Inconsistent frequency between primary CPU and secondary CPU DSP Operation Fault DSP communication faulty on control board DSP Communication Lost DSP communication faulty on control board Table 5 2 Alarm Information Speed Low Of Fan A woo Alarm message for speed low of Fan Speed Low Of Fan B wi arm message for speed low of Fan Speed Low Of Fan C wo Qe message for speed low of Fan It is only a reminding message to show DC inputs very low and inverter is about to shut down 5 5 Type of system fault and trouble shooting Table 5 3 Type of system fault and trouble shooting Trouble Shooting Alarm Message _ Solution 1 Pease check mains volta
35. y is installed in the day it shall be covered with lightproof materials otherwise the array end will subject to high voltage under exposure of sunlight thus causing personal risk Warning Ensure that the input DC voltage does not exceed 900V since higher input voltage may damage this equipment permanently and causing other losses under which circumstance this company assumes no responsibility for quality assurance and joint responsibility Installation and Opertion Manual 6 4 Overall Introduction 4 1 Circuit Structure Figure 2 shows main circuit of KSG 10K 12K5 15K 17K 20K inverter by which the direct current is input via three phase full bridge circuit and transformed into sine wave current through filter and output to power grid To make the photovoltaic array generate in maximum power the new type power devices are adopted for this machine and the advanced MPPT algorithm is used at the DC side System Block Diagram KSG 10K Solar Array Joint BOX DC DC DC AC Control circuit 3 phase 5 wire Eue protection circuit PEETER T ee es System Figure 2 Main Circuit of KSG 10K 12K5 15K 17K 20K Inverter Installation and Opertion Manual 7 4 2 Description for External Interface 5 DC Switch 4 RS 485 Option 6 WIFI port 2 AC OUTPUT Figure 3 Interface of KSG 10K 12K5 15K 17K 20K Inverter WE Instructions for Interface gt 1 DC Input DC input terminal connected to positive and negative elect
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