SG5K PV grid-connected inverter user manual
Contents
1. Solarlnfo Logger PC e Shielding layer is grounded RS485 cable RS485 232 converter PC RS485 RS232 RS232 Multiple inverters in daisy chain Fig 3 5 Multiple Inverters Communication with Other Devices 3 Verify the communication connection and configure communication parameters NOTE If 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 6 8 4 Set Communication Parameters Solarinfo logger and RS485 232 converter are optional parts and can be ordered from Sungrow 16 Installation 3 6 Start and Close 3 6 1 Start Inverter To turn on the inverter please follow the steps below Step 1 Switch on the DC side circuit breaker Step 2 Switch on the AC side circuit breaker Step 3 The inverter will check whether that voltage impedance and frequency parameters are within operating range Step 4 If the parameters check is correct then the LCD will display the normal working screen Step 5 Then the inverter will export to the grid and the green Power LED will continuously lit provided there is enough PV power 3 6 2 Close Inverter If users want to shut down the inverter please refer to stop command in the LCD menu in 6 7 Start and Stop Inverter If users want to shut down the inverter in emergency first switch off the AC side breaker then switch off the DC side breaker A WARNING Incorrect ord2. Password 0000 Short press ESC W Password 1111 Long press ESC W Long press ENTER P Set complete Long press ENTER gt Are you sure ii to set it 6 8 2 Set Run Parameter There is not run parameter for setting If you perform Run param operation LCD just displays No Run param Long press ENTER gt Sys param gt No Run param gt Run param v Long press ESC W 6 8 3 Set Protective Parameters 39 kk 7 kk Protective parameters include Vgrid max Vgrid min Fgrid max and Fgrid min If actual condition exceeds these setting value inverter will stop running and display corresponding fault Long press ENTER gt Vgrid max 250V an Vgrid max 245V EA Varid min 180v Short press ENTER P vgrid min 190v Com param w e Fgrid max 51 5Hz Sh ESC W PT Egrid max 51 0Hz Long press ESC V IFgrid min 47 5Hz Short press Fgrid min 48 0Hz Long press ENTER gt L ENTER gt ad ong press Are you sure Jete Set complete to set it Table 6 5 Protective Parameters Range Simple explanation Adjustable range Default value maximum AC voltage 240V 260V 250V minimum AC voltage 180V 200V 180V Fgrid max maximum AC freguency Fgrid min minimum AC freguen
3. Higher input voltages will damage to SG5K e Ground The inverter must be grounded in compliance with local safety codes using appropriately sized protective conductors 13 SG5K User Manual 3 4 5 Wiring Procedure A WARNING The wiring of the inverter s AC and DC cables must only be done with the DC and AC circuit breakers are in the off state Please follow Fig 3 3 to connect the wires e Connect the wires of the DC cable as follows SG5K s DC wire to PV arrays positive pole SG5Ks DC wire to PV arrays negative pole CAUTION There are 4 input ports of PV arrays We recommend users at least connect 2 channels with each channel maximum current not more than 10A and total current not more than 20A e Connect the wires of the AC cable as follows SG5K s L wire to grid s L SG5KS N wire to grid s N SG5KSs PE wire to ground A WARNING Make sure all wires are firmly tightened Grid is connected regardless of L N phase It will not affect the inverter s work 14 Installation 3 5 Connecting Communication Cables 3 5 1 Communication Types Inverter may transfer the monitored information from inverter via its integrated RS485 interface 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 enables connection between inverter
4. Protection Degree IP65 Operating Temperature 25 C 460C Relative Humidity 0 95 non condensing Cooling method natural cooling Max Altitude 2000m Display and Communication Display LCD Communication Interface RS485 Mechanical Data Dimensions W H D 410mm 580mm 283mm Net weight 58 84kg 36 Appendix About this Chapter This chapter proposes contents related to exclusion of liability and contact 3 SG5K User Manual 8 1 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 e Improper or inappropriate use of the product e Operating the product in an unintended environment e Operating the product when ignoring relevant safety regulations Ignoring safety warnings and instructions contained in all documents relevant to the product e Operating the product under incorrect safety or protection conditions Altering the product or supplied software without authority e The product malfunctions due to operating attached or neighboring devices beyond allowed limit values e Incase
5. start stop control of the inverter Start Stop and parameters setting Set param Users can short press ESC W button to make the arrow pointed to selected menu OkWh Long press ENTER P Run inform 6 5 Check Run inform In order to check run information of inverter you can access Current inform and Total inform following instructions in the picture below There is a direct way to access Current inform from default menu via short pressing ESC W button or ENTER P button Long press Long press Long press ENTER D Irrent inform sUrentEInTOrm lt adal at 8 otal INTOrM Long press ESC W Long press Long press The Run inform menu contains the Total inform and Current inform menu The Total inform includes history logged data such as total generated energy E total monthly generated energy E month total running hour h total and reduced CO2 weight CO2 total The Current inform includes real time system data All the data are explained in the Table 6 2 and Table 6 3 27 SG5K User Manual Table 6 2 Electrical Real Time Data Current inform n The whole generated Energy Table 6 3 Non electrical Real Time Data Total inform Temperature within the enclosure C T today The Operation time of today min T total Total hours of Operation time E h CO2
6. Interface of SG5K Table 3 1 Terminal Description RS485 RS485 A pin ARABE B pin3 00 A RS485 A pin 1 RS485 B pin3 1 RS485 B pin 3 nd Ga DC positive input terminal DC DC negative input terminal Red wire connected to pin 1 of GRID L Black wire connected to pin 3 of GRID N Yellow green wire connected to pin 4 of ground 3 4 3 Overview of Electrical Installation The complete wiring for SG5K is shown schematically in the Fig 3 3 0000 OOOO DC DC Gein DC Circuit AC Circuit Hg Breaker Breaker PV Arrays Utility Grid Fig 3 3 Simplified Electrical Connection Diagram 12 Installation NOTE Since the AC and DC connections are wired to the breakers or junction box only There is no need to open the inverter enclosure during installation NOTE Please note that RS485 wire and the corresponding RS485 232 converter is optional part and can be bought from Sungrow 3 4 4 Electrical Connection Reguirements e Grid 230V AC The SG5K is designed for 230V grid single phase The voltage should be within 180V to 260V and the frequency should be 47 51 5 57 61 5Hz Grid Voltage Range 180V 260V Grid Frequency Range 47 51 5 57 61 5Hz eo PV array Max PV Power 5 5kKW Max PV Voltage 180V A WARNING Make sure that DC input voltage never exceeds 780V
7. and PC Where there is more than one inverter all inverters can be connected to PC in 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 Solarinfo Logger which converts 485 to 232 signal is needed between inverter and PC 3 5 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 converter s manual to obtain the limit RS485 cable supplied is equipped with plug and play terminal It is simple to plug this terminal to the RS485 interface at the bottom of the inverter Now perform RS485 communication connection as the diagram shown below 1 Connect connector of one cable end to RS485 terminal on the bottom of the inverter 2 Connect the other end of cable to other devices Communication terminal definition is referred to device manual i nverter Solarlnfo Logger RS485 RS485 Cable 1200 Solarlnfo Logger PC RS485 232 converter PC BSE Shielding layer is grounded Communication of single inverter Fig 3 4 One Inverter Connected to PC or Solarinfo Logger 15 SG5K User Manual Inverter Inverter Inverter Solarlnfo Logger RS485
8. of unforeseen calamity or force majeure 38 Appendix 8 2 Contact Us If you have any guestions about or technical problems of inverter our hotline will be happy to assist you Please note the following contact information Company Sungrow Power Supply Co Ltd Website www sungrowpower com i Contact Mr Henry Director of International Trade Email info sungrow cn service sungrow cn Address No 2 Tianhu Rd New amp High Technology Industrial Development Zone Hefei P R China Zip 230088 Telephone 86 551 532 7834 86 551 532 7845 Fax 86 551 532 7856 39 SUNGRO HA x g R ARA D Bz Y BRA RD ARAA Hot ZAB SEDANA Pit www sungrowpower com HEBA 0551 5327821 5327827 HB 230088 ERAS info Osungrowpower com EA 0551 5327851 AM mR REA MUA CABRA BRATIBA
9. system touching live components can be hazardous to life and limb This device contains DC voltage of up to 450V and the grid voltage up to 260 V A WARNING Only qualified personnel can work on this equipment This work is only permissible if the AC and DC power supplies are safely disconnected from the SG5K 3 3 2 Device Dimensions and Weight The external dimensions and weight of the SG5K is in Fig 3 1 580mm 983mm 410mm 59 kg Fig 3 1 Dimensions and Weight of SG5K 10 Installation 3 4 Electrical Connection 3 4 1 Safety A WARNING Improper operation during the wiring process can cause fatal injury to operator or unrecoverable damage to the inverter Only qualified personnel can perform the wiring work A WARNING All electrical installations must be in accordance with local and national electrical codes A WARNING Only after receiving prior approval from the utility company and qualified personnel installing the inverter you can connect the inverter to the utility grid A WARNING All cables must be firmly attached undamaged properly insulated and adequately dimensioned CAUTION 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 11 SG5K User Manual 3 4 2 Wiring Interface 0000 0000 DC GRID RS485 Fig 3 2 Wiring
10. 08 08 ime lt PEN ee Pa an Vv Long press ESC V Time 00 00 00 Short press ESC W Time 14 30 30 31 SG5K User Manual NOTE The date format is year month date The time format is hour minute second Hour is 24 hour type eo Firmware User can not set this parameter e Set power adj If E total value deviates from the value in metering device you should set the parameter power adj Long press ENTER P gt Long press ENTER gt Firmware ar gt Power adj Short press ENTER P Power adj gt Poweradj wt 000kWh J 003kWh y Long press ESC V Short press ESC E total E total 25kWh 22kWh NOTE The value of Power adj is the difference between value in metering device and E total value in LCD Adjustable range 999kWh 4999kWh e Load default CAUTION If you perform Load default operation all non real time data will be reset to zero including E today T today E total CO2 total E month and H total This operation is irreversible NOTE If language of inverter is Chinese it will change into English after operation of Load default 32 Menu Operation Long press ENTER P Short press ENTER P gt Load default Pr Load default gt Load default
11. 1 Commissioning About this Chapter This chapter demonstrates how to check before commissioning and operation procedures 22 User Interface Verify before commissioning 1 Verify whether inverter is fastened onto the wall See 3 3 Mechanical Mounting Check whether all cables are firmly attached and See 3 4 5 Wiring Procedure correctly Commissioning Procedure Step 1 Make sure all items above meet demands Step 2 Switch off external AC circuit breaker Step 3 Switch off external DC circuit breaker NOTE After external circuit breaker is closed in the PV power system e PV arrays initialize and supply DC power to inverter e Inverter verify whether grid conditions are OK e If the conditions are OK inverter feeds AC power to grid and enters into the running state Step 4 Observe state of LED indicators and LCD screen CAUTION If inverter s commissioning fails FAULT indicator will be lit And state in the LCD screen will display type of malfunction In this case malfunction must be removed and then repeat step1 to step 4 NOTE If inverters commissioning succeeds RUN indicator will be lit And state in the LCD screen will display RUN 23 Menu Operation About this Chapter This chapter shows all menu operations User can know how to check the state of the inverter current running information and history information And how to set the para
12. Confirm Long press ESC Long press ESC W Start through LCD 3 If you want to restart inverter after LCD stop operation you can perform Start operation And state shown in the default menu will change after start operation ae SSC SSeS E A en A eka Se ha oe aj EKA SE ea Long press ENTER gt gt Start gt Start Confirm Long press ENTER P Stop gt Long press ESC W A AAA AAA 2010 08 08 11 22 2010 08 08 11 22 State Stop State Run Stop through LCD If you perform Stop operation through LCD the inverter will stop work immediately And state shown in the default menu will change after stop operation PAR Sa e Di LE LN Le ae Se eae Ss Sea SS Se SS SS an Ss SS SS eee eee eee SS SS ee See a Se Se ae Ss 2 Long press ENTER gt 3 Sah gt P Stop Confirm Long press ENTER P Long press ESC W A A A A A A A A ea ea Tn Sa Ga aa al Pn Sa ana an ema en pm Rap Yo Pa Sa am SE mam ee mn na nd 2010 08 08 11 22 2010 08 08 11 22 State Run State Stop IN WARNING If you want to stop the inverter in emergency you should first disconnect AC circuit breaker and then DC circuit breaker Otherwise it can lead to damage to inverter and operator 30 Menu Operation 6 8 Set Parameters for Inverter NOTE If you want to set inverter s parameters you have to input correct password The def
13. Green and Effective SUNGROW SG5K PV Grid Connected Inverter User Manual SG5K UEN Ver31 201202 Version 3 1 Symbols Explanation Important instructions contained in this manual should be followed during installation and operation of the inverter And they will be highlighted by these symbols IN DANGER This symbol indicates a dangerous condition which if not avoided will bring death or serious injury A WARNING This symbol indicates a dangerous condition which if not avoided could bring death or serious injury CAUTION This symbol indicates a dangerous condition which if not avoided could bring minor or moderate injury NOTE This symbol indicates a situation which can help the equipment optimal operation Contents DS at ely Instruccion Sara 2 Product Introd Ken a e Busi 24 o AA Ns Sl a un 6 2 2 CACO DSS CMD TOM ea ae en Me aa Rea na Kn ana alan miei 6 SN aa On tal a aa an es 8 3 2 Basic Installation Requirements scccviis cies ee ee ee ee ee 8 Mechanical MOUNINO 5202 na AS 10 313 MDS LY ee a ia ea Kana al nan heae 10 3 3 2 Device Dimensions and Weight o oooWoW Wo WWW Wb 10 AE ENCANTAN UOT Sarn aaa e a a a es 11 OME Saree mn E AEA AE E EN A AE E AE A EE E AAEE A EE A AET TEN 11 S42 AY a9 Ne ACE E AN ANA MPN a EE oY T AGA 12 3 4 3 Overview of Electrical Installation ooo Woo 12 3 4 4 Electrical Connection Reguirements Wo Woo WWW ma 13
14. Manual The inverter is designed and tested according to international safety requirements But as all electrical and electronic equipments certain precautions should be observed during installing operating and or maintaining Incorrect operation or work performed incorrectly can result in damage to e The life and well being of the operator or the third party e The inverter and other properties that belong to the operator or the third party Therefore in order to reduce risk of injury and ensure the safety of the inverter you must carefully read and follow all instructions cautions and warnings AN DANGER First disconnect the inverter from the grid IN DANGER e Even when the inverter is disconnected lethal voltages still exists within the inverter e Before any maintenance work you should wait for at least five minutes and then perform work A WARNING All tasks of installation and maintenance must only be performed by qualified personnel e They are trained specially e They have read this manual and comprehend all operation methods and related safety instructions AN WARNING All electrical installations must be in accordance with local and national electrical codes Safety Instructions A WARNING Only after receiving prior approval from the utility company and qualified personnel installing the inverter you can connect the inverter to the utility grid A WARNING All cables must be firm
15. SEO VINO Procedure aa enak akun 14 3 5 Connecting Communication Cables Wooo WWW WWW aa 15 5 5 1 Communicatioh YP ES ab matah Na Bae Nan Nan nan Rn 15 3 5 2 RS485 Communication CONNECTION ooW Wa 15 3 Ox otal AMG GOS Cosa cack Ian Maesa aan Toska nana na aa Sab Jae aan asean al naa na Sana asa Bah 17 iS A o NE nekat 17 IAE A A A atanenicns 17 4 User Ia LO 74 Da Ba RINO aa e A T ee eee aa 19 APNE PD NO Gaon tas a E a ETE E O tenes 19 AO BUON S a a a S A T A E Se en hea 20 PANG TOG A 20 AS Operation ModeS lalo toldos 21 5 COMMISSIONING Lesmana NN UN O Meng Opera On SNN NN ANA OL OVERVIEW OF Men Uks eni ba nba AA me ERA LN NN Ban 25 O22 Ole Men na on Se 26 62 DS FAUT os sen ab tabel anoman Das banana alasan dana oa al lia 26 aan Conte Men ae aa ba 21 03 CHECK ainun 27 6 6 CHECK Kaul TOCO sia 29 67 olalt and Stop INVERSO 30 6 8 Set Parameters for Inverter oooWo W W WWW WWW 31 65 SerSysierm Parameter be O naas 31 e E NE BNN 33 6 8 3 Set Protective Parameters o Woo Wo Woo W Wan 33 6 8 4 Set Communication Parameters ooo Wo oW Wo WWW 34 Aborsi OO UND pen an en ne errr eer mer reer rT ers VA OE XCIUSION Of Lal aio e 38 02 CONAC US id 39 Safety Instructions About this Chapter This chapter describes very important safety instructions Please read Safety Instructions carefully before any work with the inverter SG5K User
16. ault password is 1111 The process of input password is indicated in the following picture Long press ENTER gt ENTER gt Start Stop p Set param SARIE ba gt Set param gt Setparam vw Password 0000 y v gt Password 1111 Long press ESC V Short press ESC 39 kk There are Sys param Run param Pro param and Com param that can be set 6 8 1 Set System Parameters System parameter contains language time firmware power adj and load default gt Lauguage Long press ENTER gt Time v gt Sys param lt gt Firmware Run param wv Power adj w L ESC W ong press Load default e Set language Inverter SG5K supports two languages Chinese and English You can select your language as the following picture j Long press ENTER P a pe us A P Lauguage gt ae i Short press ESC Language toy Long press ENTER Time y 0 CH 1 EN 0 CH 1 EN gt Long press ESC W J E toda OkWh HEEE OkWh P ac OW Te Ow 2010 08 08 11 22 2010 08 08 11 22 State Run Kas 41 e Adjust time displayed in inverter If time displayed in inverter is not in accordance with your local time you should perform the following operation Long press ENTER gt Lauguage gt MIN Srotpress ENTER P T 10
17. current generated by the PV array into stable alternating current and feeds to the utility grid PV Array SG5K Metering Device Utility Grid Fig 2 1 SG5K Applied in the PV Power System A WARNING If output of inverter is connected to local loads household appliance lights motor loads etc the inverter will stop working These local loads should be connected to the grid output side 2 2 Circuit Description Fig 2 2 shows the main circuit of SG5K a transformer grid connected inverter An IGBT full bridge converts the DC power to AC voltage and current The AC power is then fed to the grid after being processed by a filter and a transformer Full Bridge DC Filter Transformer R elay ea N L Fig 2 2 Circuit Diagram of SG5K Installation About this Chapter This chapter proposes how to choose installation site related safety instructions and electrical connection SG5K User Manual 3 1 Inspection The SG5K inverter is thoroughly checked and tested rigorously before they are shipped Even though they are delivered in a rugged heavy cardboard box the inverters can be damaged in shipping which typically is the shipping company s fault So you should check the inverter before installation Please inspect the inverter thoroughly after it is delivered If any damage is seen please immediately notify the shipping company If ther
18. cy 33 SG5K User Manual 6 8 4 Set Communication Parameters If there is more than one inverter to be monitored you should set appropriate address and baud rate for each inverter Long press ENTER gt A ji Pro param m Address 1001 Short press ENTER p Com param v Baud 96001 Short press ESC W A Address Baud 9600 Long press ESC W Long press ENTER gt Long press ENTER gt Are you sure lt to set it Set complete CAUTION Each inverter should have different address and have same baud rate to ensure good communication Address range 1 247 Baud rate 1200 2400 4800 9600 34 Technical Data About this Chapter This chapter illustrates technical data including input data output data system display and communication data 35 SG5K User Manual Input Data Max DC Voltage 180V MPP Voltage Range 300V 650V Max DC Power 5500W Max Input Current 20A Recommend PV ArrayOpen Circuit Voltage 600V Output Data Rated output power 5000W Rated Grid Voltage 230V Grid Voltage Range 180V 260V Rated Grid Freguency 50Hz 60Hz 47Hz 51 5Hz 57Hz 61 5Hz Grid Freguency Range Output Current THD lt 3 at nominal power DC Current Injection lt 0 5 of rated inverter output current u qn 20 99 at nominal power System Max Efficiency 94 5 Euro Efficiency 93 6
19. e is any question about potential shipping damage contact Sungrow A photo of the damage may be helpful Do not accept unit if visibly damaged or note visible damage when signing shipping company receipt Please report the damage immediately to the shipping company Do not remove the unit from packaging 3 2 Basic Installation Requirements The IP level of SG5K is IP65 So it can be installed outdoor A WARNING SG5K should be installed in a place where it is not exposed to direct sunlight A WARNING Some parts of the SG5K can reach temperature over 80 C Keep a suitable distance to flammable materials A WARNING Never install SG5K in areas that likely contain explosive atmospheres battery rooms fuel storage rooms etc Installation A WARNING It is advised not to install the inverter in living quarters since the inverter may produce some operating noise lt 40dB A WARNING It is important to have air freely circulating around the inverter Therefore keep the area within 30 centimeters of the inverter free from obstacles A WARNING Avoid installing the inverter in a location subject to vibrations A WARNING Avoid mounting the inverter in a dusty area A WARNING The ambient temperature should remain within 25 C 60 C NOTE The LED and display should always be legible for users SG5K User Manual 3 3 Mechanical Mounting 3 3 1 Safety As with any electrical
20. er may cause danger to the personnel and damage to the inverter 17 User Interface About this Chapter This chapter proposes the modules that user can operate LCD panel User Interface 41 LCD Panel The inverter operates automatically without user interaction There are two LEDs and two buttons on the panel of the inverter FAULT ESC ENTER gt LED Indicator Button Fig 4 1 LCD Panel 4 2 LED Indicators From leds we can get the basic work state of the SGUK Table 4 1 LED Descriptions LED state Explanation RUN LED light SG5K is working SG5K is not working FAULT LED light A fault has occurred No fault has occurred 19 SG5K User Manual 4 3 Buttons There are two buttons on the LCD panel ESC Y button and ENTER P button e ESC W button When you short press ESC W button less than 2 seconds this button performs the Y function which is used to move the arrow up and down in the screen or increase decrease number The ESC W button will perform ESC function if it is pressed longer than 2 seconds which is used as return finish function e ENTER button when you short press ENTER P button less than 2 seconds this button performs gt function which is used to move the arrow left or right in the screen The ENTER P button will perform ENTER function if it is pressed longer than 2 seconds whic
21. h is used to select menu item and confirm changes CAUTION The background illumination is activated by slightly pressing any button 4 4 LCD Screen The display board is equipped with two line LCD Users can get basic information from the LCD display LCD screen and buttons provide a good human computer interaction interface In its default interface user can observe operation mode or fault type of inverter P ac 2010 08 08 State Fig 4 2 Default Interface NOTE If there is no button operation in three minutes it will go back to default menu 20 User Interface 4 5 Operation Modes Run After being energized the inverter tracks the PV arrays maximum power point MPP and converts the DC power to AC power This mode is the normal operational mode If the PV power is more than 1650W the output power is still 1650W Fault Ifa fault occurs during operation the inverter will automatically stop operation disconnect the AC contactor and the display the fault type in the LCD panel with the Fault LED burns Once the fault is removed for 5 minutes the inverter will automatically resume running Stop The inverter will stop operation by manual stop through LCD menu this condition needs manual restart through LCD menu During the Stop mode the inverter will block the driving signals that control the switching IPM and disconnect the inverter from the grid by switching off the AC contactor 2
22. ly attached undamaged properly insulated and adequately dimensioned IN WARNING When choosing the installation site ensure that there is no electromagnetic interference with other electrical and electronic equipments A WARNING Risk of damage to the inverter due to improper modification Never modify the inverter or other components of the inverter Otherwise it will lead to loss of any and all warranty right A WARNING Any malfunction that can impair inverter safety must be repaired immediately before the inverter is switched on again A WARNING Please contact your local authorized personnel if any maintenance is required SG5K User Manual A WARNING Electrostatic discharge can damage the inverter During replacing or installing the inner components the technical personnel should take appropriate protective measures such as electrostatic bracelet CAUTION 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 Product Introduction About this chapter This chapter introduces intended use main circuits and features of inverter SG5K User Manual Thank you for purchasing SG5K from Sungrow We hope that the device will meet with your satisfaction when you use it with your PV plant system 2 1 Intended Use A grid connected PV system is shown in Fig 2 1 SG5K converts the direct
23. meters of the inverter is also included 24 Menu Operation 6 1 Overview of Menu Fig 6 1 Menu Tree English 25 SG5K User Manual 6 2 Start up Menu On Grid Inverter gt gt gt gt gt gt gt gt gt gt gt gt gt gt NOTE This screen only appears once after start LCD will automatically enter into the default menu after about 7 seconds 6 3 Default Menu tate This menu includes 2 separate pages 3 kk The first screen includes parameters of E today and P ac E today indicates the daily output energy generated by SG5K in the unit of kWh P ac indicates the real time output power of SG5K in the unit of kW The second screen includes parameters of date time and state Date Time display the current time and can be adjusted The State shows the inverter s working state according to Table 6 1 Table 6 1 State of the inverter The inverter in normal function operation Stand by The inverter in stand by state The inverter stops working Com fault Fault of LCD inverter communication channel NOTE Short press ESC W button or ENTER when in default menu you can quickly access the system running parameters as shown in the figure below 26 Menu Operation OkWh Short press ENTER P or ui ae Short press ESC V 6 4 Main Control Menu This menu contains running information Run inform fault record Fault record
24. total Reduced CO2 weight kg 2006 11 22 11 44 The current date time 28 Menu Operation 6 6 Check Fault record Long press ENTER gt Run inform yp 10 08 06 400V 04 gt Fault record y a 14 30 30 Vdc high Long press ESC V The Fault record menu displays the latest fault records which includes fault type see Table 6 4 fault occurred time fault parameter and fault record number NOTE Inverter SG5K can store at most 20 fault records The latest fault record number is always 01 The oldest fault record number is always 20 suppose there are at least 20 fault records Table 6 4 Fault Type with Simple Explanation Fault name Explanation Vdc high DC voltage exceeds maximum DC voltage of inverter Vac high AC voltage exceeds the upper limit value of grid voltage range Vac low AC voltage is less than the lower limit value of grid voltage range F fault Grid freguency exceeds range Island Island fault IPM flt IPM fault occurs 29 SG5K User Manual 6 7 Start and Stop Inverter If input and output conditions are OK inverter will work automatically And if input and output conditions fail inverter will stop automatically If you want start and stop inverter manually you can operate as the following picture Long press ENTER gt Long press ENTER gt Start Confirm gt Start Stop gt gt Start gt aw Set param v Stop Stop
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