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User Manual - Energy Matters

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1. 1 Long press ENTER P to enter into the 4 000 kW general control screen 15 6 kWh 4976 kWh A ED Run 2 Short press ESC W to navigate the His inform arrow pointer to Set param Start Stop 3 Long press ENTER P to enter into its sub screen gt Set param 4 Short press ENTER P to move right and Set param short press ESC W to set the correct password 1111 Password 1111 5 Long press ENTER B to confirm the command Svs param 6 Short press ESC W to navigate the Run param arrow pointer to Pro param gt Pro param 7 Long press ENTER P to enter into its Com param sub screen PV config mode 8 Enquire Sungrow or the dealer about the Pro param password Password 000000 Country Setting 9 Each abbreviation represents a protective IEJGB 1 DE parameter 2 JFR SJIT 4JES SJAT AU 7 CZ 8 BE 9 Other SUNGROW 73 10 Operation of LCD Menu Vgrid max 260V Vgrid min 195V Fgrid max 50 2Hz Fgrid min 49 7Hz User Manual 10 If you selected Other Long press ENTER B to enter into its sub screen to set the protective parameter Tab 10 2 Description of the Protective Parameters Code GB DE FR IT ES 74 Full Name Code Great Britain AT Germany AU France CZ Italia BE Spain Other Full Name Austria Australia Czech Belgium SUNGROW User Manual 10 Operation of LCD Menu 10 14 Communication Parameters Setting
2. 00000007 TOT ELLE 2 Short press ESC to increase the setting value and short press ENTER P to decrease the Contrast Adj 50 value Contrast value ranges from 0 min to 100 max DALLI Recommended contrast value is 50 SUNGROW 63 10 Operation of LCD Menu 10 5 P ac 4 000 kW 15 6 kWh E 076 kn Run 2009 11 18 18 35 DC power input PV1 PV2 Vdc V 0 0 0 0 Idc A 0 0 0 0 Pdc W 0 0 P ac 0000W V grid 220 0V l grid 18 2A F grid 50 0Hz Temp 49 5 C Country GB E day 5OkWh E tot 4976kWh CO2 reduce 2976kg E month 450kWh H tot 1567h T day 246min P Power Curve 10 09 11 18 64 User Manual Current Running Information Checking 1 Long press ENTER to enter into the general control screen 2 Short press ESC W to view the current running information Short press ESC W to turn pages DC power input lifetime input of PV1 and PV2 V dc DC voltage of PV arrays I dc DC current of PV arrays P dc DC power of the PV arrays Indep mode Independent mode P ac AC Power output V grid Voltage of utility grid l grid AC current output F grid Frequencv of utilitv grid Temp Current temperature of the inverter Countrv The countrv where the inverter is installed E dav The energv output todav E tot The total energv output of the inverter CO2 reduce Amou
3. 1 WiFi configuration icon Xi will appear on the i 4 000KW LCD screen automatically 30s after the LCD is ED m energized am o 2 If you succeed in configuring WiFi within 15 TST minutes WiFi will automaticallv connect to the Router selected while the configuration icon Xi will disappear P 3 The connection is in process if icon r Poca located on the upper right corner of the LCD display blinks every 0 55 icon will stay on if sl EB r the connection is completed Om 4 If WiFi has connected to the router it will send SP 4 000 kW data to the Solarlnfo Bank server after 5minutes 15 6 kWh The Bank icon will display on the LCD indicating eh that WiFi has connected to the Bank d ea Run 5 If WiFi is disconnected from the Router or Bank ji 4 000 kW WiFi connection fail icon Qis or Bank pea connection fail icon e will appear B Run e B If the information of the configured router is mD 4 000 kW incorrect please disconnect and re connect DC 15 6 kWh input to reconfigure parameters aa 4976 kWh ES Run 6 Short press ESC W to navigate the His inform u u arrow pointer to Set paranv Start Stop 7 Long press ENTER to enter into its sub screen gt Set param 8 Short press ENTER P to move right and short Set param press ESC W to set the correct password 1111 9 Long press ENTER P to confirm the command Password 1111
4. 76 SUNGROW User Manual 10 Operation of LCD Menu Svs param 10 Short press ESC W to navigate the Run param arrow pointer to Com param Pro param 11 Long press ENTER B to enter into its gt Com param sub screen PV config mode 12 Short press ESC W to navigate the Com param arrow pointer to RF Address Address 13 Long press ENTER P to confirm the setting RF address 14 Short press ENTER P to move right and short RF address press ESC V to set the address 15 Long press ENTER P to confirm the setting 00 00 00 00 To ensure normal use of the device before using the device be sure that The selected Wireless Router can access to Internet normally and it is contained in the Solarlnfo WiFi Compatible Routers List available at www sungrowpower com The communication address of the inverter is between 1 and 15 The communication addresses of inverters can be set on the LCD of inverters e AWiFi enabled mobile phone or a laptop computer are connected to this device for parameter setting NOTICE Please cut off the power supply of the inverter before plugging WiFi SUNGROW 77 10 Operation of LCD Menu User Manual 10 14 3 PV Configuration Mode Setting t 4 000 kW 15 6 kWh 4976 kWh EB u 2009 11 18 18 35 His inform Start Stop gt Set param Set param Password 1111 Sys param Run param Pro param Com p
5. 1 Long press ENTER P to enter into the general 4 000 KW control screen 15 6 kWh 4976 kWh gt EB on _ 2 Short press ESC W to navigate the a arrow pointer to Set param Start Stop 3 Long press ENTER to enter into its sub screen gt Set param 4 Short press ENTER P to move right and short Set param press ESC Y to set the correct password 1111 5 Long press ENTER P to confirm the command Password 1111 gt Svs param 6 Short press ESC W to navigate the Run param arrow pointer to Svs param Pro param 7 Long press ENTER to enter into its Com param sub screen PV config mode Language 8 Short press ESC W to navigate the Time arrow pointer to Firmware Version Energy adj 9 Long press ENTER to enter into its Load default sub screen gt Firmware Version 10 Long press ENTER P to view the firmware version Firmware Version LCD LCD SG5KTL M V1 A M DSP DSP SG5KTL M V1 A Image shown here is for reference only Actual product you receive may differ SUNGROW 71 10 Operation of LCD Menu User Manual 10 12 Running Parameters Setting P ac 4 000 kW 15 6 kWh 4976 kWh t 2009 11 18 18 35 His inform Start Stop gt Set param Set param Password 1111 Sys param gt Run param Pro param Com param PV config mode Standby time 010s Recov
6. 2009 11 18 18 35 His inform gt Start Stop Set param Start gt Stop SUNGROW 1 Long press ENTER P to enter into the general control screen 2 Short press ESC W to navigate the arrow pointer to Start Stop 3 Long press ENTER to enter into its sub screen 4 Short press ESC to navigate the arrow pointer to Start 5 Long press ENTER P to confirm the command 1 Long press ENTER to enter into the general control screen 2 Short press ESC W to navigate the arrow pointer to Start Stop 3 Long press ENTER to enter into its sub screen 4 Short press ESC to navigate the arrow pointer to Stop 5 Long press ENTER P to confirm the command 79 11 Appendix 11 1 Technical Data 11 1 1 Electrical Specifications Input Side Data Max PV input voltage 550V Startup voltage 150V Nominal input voltage 370V MPP voltage range 125 500V MPP voltage range for nominal 160 500V 170 500V 200 500V power 3200W 1650W 4300W 2200W 5400W 2750W Max PV input power DC1 DC2 7 650W 2800W 3500W Max PV input current JOA IOA 10A 26A 10A 16A 26A 10A 16A DC1 DC2 a Max current for input 1 connector Short circuit current of PV input AR IA JA 32A 12A 20A 32A 12A 20A DC1 DC2 2 No of MPPTs 2 Max number of PV strings per 1 1 1 2 1 2 MPPT DC1 DC2 Outp
7. Additionallv inverter provides RS485 and WiFi interface for communication User can look up running status and set parameters through LCD displav panel DC eee Pee MPPT 1 Protection Circuit Circuit Inverter Circuit Filter MmPPT 2 2 Communication Interface RS485 WIFI Interface RS485 WIFI Human computer Interaction LCD Fig 2 5 Main Circuit Diagram of inverter 6 The Main Circuit shown here is for SGAKTL M and SG5KTL M there is only one string of PV arravs in input area 2 of SG3KTL M 2 3 2 Functions Description Inverter functions can be grouped as the following Conversion function Inverter converts the direct current power into the alternating current power which conforms to the grid requirement of its installation country Data storage and display Inverter archives essential data including running information and fault records and displays them on the integrated LCD display e Parameters configuration Inverter provides various parameters configuration for optimal operation 10 SUNGROW User Manual 2 Product Introduction Communication interface Standard RS485 interface for connecting other monitoring devices to the PV svstem is included Protection functions include short circuit protection grounding insulation resistance surveillance inverter output voltage surveillance inverter output frequencv surveillance residual current protection DC inj
8. SUNGROW User Manual 10 Operation of LCD Menu 10 7 Language Setting Input the correct password of 1111 to set the inverters parameters There are system parameters running parameters protective parameters and communication parameters to be set Inverter supports four different languages English German French and Italian Language can be configured as follows 4 000 kW 45 6 kWh 4976 kWh gt EB on 2009 11 18 18 35 gt His inform Start Stop Set param Set param Password 1111 gt Sys param Run param Pro param Com param PV config mode Language Time Energy adj Load default Firmware Version Language 2 Frangaise 3 Italia 0 English 1 Deutsch SUNGROW 1 Long press ENTER to enter into the general control screen 2 Short press ESC W to navigate the arrow pointer to Set param 3 Long press ENTER P to enter into its sub screen 4 Short press ENTER P to move right and short press ESC W to set the correct password 1111 5 Long press ENTER to confirm the command 6 Short press ESC W to navigate the arrow pointer to Svs param 7 Long press ENTER P to enter into its sub screen 8 Short press ESC W to navigate the arrow pointer to Language 9 Long press ENTER P to enter into its sub screen 10 Short press ESC W to navigate the cursor to select the number
9. 4 Drill four holes at the marks you have made If the shape of the metal frame doesn t fit the holes on the backplate you need to re drill holes on the backplate at appropriate position according to the chosen frame 5 Fasten the backplate against the wall with bolts and nuts as Fig 5 3shows 24 SUNGROW User Manual 5 Securing Inverter to the Wall Fig 5 3 Fasten the Backplate to Metal Frame Item Description Remark 1 Hexagonal socket nut M10 2 Spring washer see 3 Washer 0000000000 4 Hexagonal bolt M10 45 5 Metallic wall wee 6 Backplate nee 6 Lift up the inverter above the backplate with the help of other people and then slide it down to make sure that the two recesses on the back of the inverter fit perfectly with the backplate as Fig 5 4 shows Fig 5 4 Attach Inverter to the Backplate To protect the inverter from theft you can lock it to the backplate with a padlock SUNGROW 25 5 Securing Inverter to the Wall User Manual Hang inverter e Thetheft protection is optional e Vou shall lock the inverter to the mounted eve plate of the backplate with a suitable stainless secured shackle and lock cylinder padlock e You must ensure that the key is available at all times for possible service purposes 26 SUNGROW 6 Electrical Connection 6 1 General Safetv Instruction Once the inverter is firmly attached to the appropriate location it can be connec
10. SUNGROW 69 10 Operation of LCD Menu User Manual 10 10 Load Default NOTICE If vou perform the Load default operation all running information and historical information will be unrecoverable cleared 4 000 kW 15 6 kWh 4976 kWh t 2009 11 18 18 35 His inform Start Stop gt Set param Set param Password 1111 gt Sys param Run param Pro param Com param PV config mode Language Time Energy adj gt Load default Firmware Version Load default Password 1111 70 1 Long press ENTER P to enter into the general control screen 2 Short press ESC W to navigate the arrow pointer to Set param 3 Long press ENTER P to enter into its sub screen 4 Short press ENTER to move right and short press ESC W to set the correct password 1111 5 Long press ENTER P to confirm the command 6 Short press ESC W to navigate the arrow pointer to Sys param 7 Long press ENTER P to enter into its sub screen 8 Short press ESC W to navigate the arrow pointer to Load default 9 Long press ENTER P to enter into its sub screen 10 Short press ENTER to move right and short press ESC W to input the password 1111 11 Long press ENTER to confirm the setting SUNGROW User Manual 10 Operation of LCD Menu 10 11 Firmware Version Checking User can only view the firmware version
11. seconds Description Move the arrow upwards downwards in the screen to increase decrease the setting value It is referred to as Short press ESC W hereinafter Return to the parent menu or cancel the command It is referred to as Long press ESC W hereinafter Move the arrow left or right in the screen It is referred to as Short press ENTER B hereinafter Enter into the sub screen or confirm the command It is referred to as Long press ENTER P hereinafter e When the two buttons are pressed simultaneously for over three seconds the inverter will stop running and enter into the key stop state e The backlight of LCD screen will go out to save power if there is no button operation for one minute Press anv button to reactivate it SUNGROW 61 User Manual 10 Operation of LCD Menu Overview of LCD Menu 10 2 P1 2 Run record T 2 gt 2009 11 17 50 gt 2009 11 16 32 P1 1 Fault rec T 2 1 gt 2009 11 05 09 15 59 Samp flt 0001 2 gt 2009 11 05 09 15 59 Vac high 261 0V Start Confirm Stop Confirm gt Svs param Run param Pro param Com param gt PV config mode l gt Run record do ENTE ENTER Fault record L ENTER
12. Attach the backplate to the wall with the supplied expansion bolt set The torque for fastening the nut should be at least 35 Nm 6 Lift up the inverter above the backplate and then slide it down making sure that the two mounting ears on the back of the inverter and the counterparts of the backplate match perfectly To protect the inverter from theft you can lock it to the backplate with a padlock Install backplate Hang inverter Mounting ear Backplate Mounted eye plate SUNGROW 23 5 Securing Inverter to the Wall User Manual Optional Theftproof Function Put the shackle of the padlock through the mounted eve of the backplate and close the lock The padlock should observe the following requirements AQ Size on A 25mm 8mm C B 23mm 29mm C 23mm 28mm D 39mm 50mm D E E 10mm 18mm e Thetheft protection is optional e Vou shall lock the inverter to the mounted eve plate of the backplate with a suitable stainless secured shackle and lock cylinder padlock e You must ensure that the key is available at all times for possible service purposes Metal Frame 1 Remove the supplied backplate from the packaging 2 Choose the best installation site according to the abovementioned requirements Place the backplate onto the chosen metal frame and adjust it until it is in a horizontal position 3 Mark the positions to drill holes using the backplate as the template
13. Contrast Adj 50 l ENTER ESC CI 4 000 kW gt His inform gt Start scum ENTER Start Stop ENER 4976 kWh Set param Stop Run ENTER ENTER DC power input ow PV1 PV2 Vde V 0 0 0 0 Ide A 0 0 0 0 Pdc W 0 0 i DOWN P ac 0000W V grid 220 0V l grid 18 2A F grid 50 0Hz Temp 49 5 C Country GB Mi DOWN Set param E dav 50kWh gt E tot 49760kWh ENTER Password 0000 ENTER CO2 reduce 2976kg E month 450kWh H tot 15670h Min dav 246min l DOWN Power Curve 100 09 11 18 P24 50 2009 11 17 18 35 PV1 PV2 vddV 0 0 0 0 Idc A 0 0 0 0 Pdc W 0 0 P24 50 2009 11 17 18 35 P ac 0000W Language V grid 220 0V ENTER AI English 1 Deutsch ENTER erd 18 2A ise 3 Itali F grid 50 0Hz 2 Frangaise 3 Italia Country GB DOWN Time P24 50 2009 11 17 18 35 p Date 09 11 18 E day 15 6k Wh x Time 18 35 55 E tot 497600kWh pu Temp 49 5 C State Run Energy adj 0000kWh gt Language ENTER Time Energy adj ENTER Load default Load defaut TT Firmware version Password 0000 Firmware Version Standby time 010s ENTER LCD LCD SG5KTL M V1 A M Recover time 030s ENTER DSP DSP SG5KTL M V1 A Power limit 100 Power factor 1 000 Country Setting Pro param GB 1 DE Vgrid max 260V MEN ENTER AFR SIT Vgrid min 195V pe vore 00000 4ES SJAT Fgrid max 50 2Hz 6JAU CZ ENTER Fgrid min
14. Parallel Mode User Manual In parallel mode the PV inputs can be connected in parallel as the following diagram shows One pair of DC terminals in DC1 input and DC2 input must be short circuited bv V tvpe cable connector terminal You may need to purchase Y type cable connector terminals W ILMEDS IN TLMG MPDS To make sure the maximum DC power can be utilized PV strings connected to individual input area should have a homogenous structure i e same type same number identical tilt and identical orientation Prior to connecting inverter to PV inputs following specifications should be observed Tuna Total DC Input Open circuit Voltage Short circuit YP Power Limit Limit for Each Input Current Limit SG3KTL M 3200W 550V 24A SG4KTL M 4300W 550V 32A SG5KTL M 5400W 550V 32A To avoid input power unbalance of the two inputs or input 38 load restriction ensure the two PV input cables are of the same model SUNGROW User Manual 6 Electrical Connection 6 5 2 Assembling DC Cable to Connector All DC cables are equipped with water proof direct plug in connectors which match the DC terminals at the bottom of the inverter The positive and negative connectors are marked with polaritv symbols and should be equipped with correctly colored cable e g Red cable should be connected with DC
15. SUNGROW 9 Troubleshooting and Maintenance 9 1 LED Indicator Troubleshooting See 2 2 3 LCD Displav Panel for the definition of LED s status Type of fault LED indicators and LCD cannot be lit RUN indicator goes out Fault indicator is lit Troubleshooting 1 Disconnect the AC circuit breaker 2 Rotate the optional DC switch to the OFF position 3 Check the polarity of DC input 1 Disconnect the AC circuit breaker 2 Rotate the optional DC switch to the OFF position 3 Check the correctness of the inverter electrical connection Refer to 6 Electrical Connection 4 Check whether the voltage of DC input exceeds the inverter start up voltage 5 If all above conditions are OK please contact Sungrow 1 A fault is not removed yet 2 Perform troubleshooting according to the fault type in LCD screen 3 If it cannot be solved please contact Sungrow 9 2 Troubleshooting of Faults in LCD Screen Fault Cause Troubleshooting The DC input voltage of Vdcthigh PV1 exceeds the allowable 1 Rotate the optional DC switch to the OFF position immediately 2 Measure the open circuit voltage of PV1 string again Decrease the number of PV modules in PV1 string if the voltage measured is not permissible ES 3 Reconnect the DC cables to the inverter and start up the inverter 4 If the fault still exists contact Sungrow Service Dept SUNGROW 55 9 Troubleshooting and Mainten
16. during the running of the inverter and may affect your daily life 5 2 Moving Inverter to Installation Site If 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 instructions below should be obeyed 1 Beware of the weight of the inverter 2 Grasp the equipment with both hands by means of handles 3 Do not release the equipment unless it has been firmly secured to the wall SUNGROW 21 5 Securing Inverter to the Wall User Manual 5 3 Installation Procedure Inverter is installed onto the wall bv means of backplate in the packaging If vou don t use the supplied backplate vou can drill holes according to its dimension below Fig 5 2 Fastener unit mm In the following we will introduce how to secure the inverter to the wall using the provided backplate Concrete Wall 1 Remove the backplate and expansion bolts from the packaging 2 Place the backplate onto the chosen concrete wall and adjust it until it is in a horizontal position 3 Mark the positions to drill holes using the backplate as the template 22 SUNGROW User Manual 5 Securing Inverter to the Wall 4 Drill holes according to the marks you have made Mark positions Drill holes NN DANGER In order to avoid electrical shock or other injury inspect if there is electricity or plumbing installation before drilling holes 5
17. if the current measured is not permissible 3 Reconnect the DC cables to the inverter and start up the inverter 4 If the fault still exists contact Sungrow Service Dept 1 Check the voltage of the grid 2 If the grid voltage exceeds the permissible range of inverter protective parameters ask the utility grid company for solution 3 If the grid voltage is within the permissible range contact Sungrow Service Dept 1 Check the frequency of the grid 2 If the grid frequency exceeds the permissible range of inverter protective SUNGROW User Manual Fault No grid Temp flt Samp ft Earth ft Bus high Relay ft RISO flt Cause Grid is not present The ambient temperature of the inverter is too high Malfunction of the sample circuit Earth fault The Bus voltage exceeds the limit Malfunction of the inverter relav Resistance between the PV panels and the earth is too low SUNGROW 9 Troubleshooting and Maintenance Troubleshooting parameters ask the companv for solution 3 If the grid voltage is within the permissible range contact Sungrow Service Dept 1 Check whether the AC circuit breaker is triggered 2 Check whether all AC cables are firmly connected 3 Check whether the grid is out of service 4 If all conditions are OK and this malfunction still occurs in the LCD screen contact Sungrow Service Dept for solution 1 The installation site mav not be o
18. length of stripped insulation is approximately 10mm 10mm P Step 4 Fix all cables with screwdriver according to markings on the connector especially the PE cable If a phase wire is connected to the PE terminal it may permanently destroy the inverter Step 5 Pull cables outward to check whether they are firmly installed Step 6 Combine the two front end parts together until they make a clicking sound Step 7 Tighten the water proof terminal in opposite direction 34 SUNGROW User Manual 6 Electrical Connection 6 4 3 AC Wiring Procedure DANGER Make sure that none of the DC or AC cables connected to the inverter is live before the electrical work DANGER Danger to human life due to high voltage existing inside the inverter Do not turn on the AC side circuit breaker until all inverter electrical connections have completed NOTICE Assignment of AC cables should be paid attention to especially the PE wire No consuming load can be connected to power supply cables from the a inverter to the AC circuit breaker Ensure that the ground cable is laid as far away from and not directly in parallel to the power supply cable Connect the inverter exclusively to TN or TT mains as the following procedures Step 1 Disconnect AC circuit breaker and prevent it from reconnection inadvertently Step 2 Plug AC connector into corresponding AC terminal underneath the in
19. that represents language 11 Long press ENTER to confirm the selection 67 10 Operation of LCD Menu 10 8 Time Setting User Manual Deviation from the local time will directly affect the data logging Perform the set time operation if necessarv 4 000 kW 15 6 kWh 4976 kWh 1 Long press ENTER B to enter into the general control screen 0 2009 11 18 18 35 His inform Start Stop gt Set param Set param Password 1111 gt Sys param Run param Pro param Com param PV config mode Language lime Energy adj Load default Firmware Version Time Date 09 11 18 Time 18 35 55 68 2 Short press ESC W to navigate the arrow pointer to Set param 3 Long press ENTER P to enter into its sub screen 4 Short press ENTER P to move right and short press ESC W to set the correct password 1111 5 Long press ENTER B to confirm the command 6 Short press ESC W to navigate the arrow pointer to Svs param 7 Long press ENTER P to enter into its sub screen 8 Short press ESC W to navigate the arrow pointer to Time 9 Long press ENTER P to enter into its sub screen 10 Short press ENTER to move right and short press ESC Y to set the time 11 Long press ENTER P to confirm the setting SUNGROW User Manual 10 Operation of LCD Menu 10 9 Energy Deviation Adjust
20. the AC circuit breaker is voltage free b Pull AC connector out of the inverter Release the locking part of the DC connectors Insert the screwdriver SZF1 or phase tester following the positions illustrated below Leave the screwdriver inserted and remove the connector from the socket SUNGROW 53 8 Disconnecting Dismantling and Disposing of the Inverter User Manual AW v gt 6 For further disconnection and conductor reconnection instruction please visit the webpage of device manufacturer 8 2 Dismantling the Inverter Refer to Chapter 6 for the inverter disconnection of all cables in reverse steps There is a risk of burn injuries and electric shock Wait at least 10 minutes after disconnecting the inverter from the utility grid and the PV input before touching any inner live parts Open the theftproof padlock and dismantle the inverter referring to Chapter 5 in reverse steps If necessary remove the backplate from the wall NOTICE If the inverter will be reinstalled in the future please refer to 4 Unpacking and Storage for a proper conservation 8 3 Disposing of the Inverter Users should take the responsibility for the disposal of the inverter NOTICE Some parts and devices of the inverter such as LCD displav batteries capacitors mav cause environment pollution Disposal of the inverter must complv with the related local regulations to avoid the potential pollution 54
21. voltage requirement even under the lowest ambient temperature e The DC input mode you configure must be consistent with the mode set on the LCD display 6 If there is input line modifications such as input line fall off modify panels configuration etc vou need to reset the work mode 36 SUNGROW User Manual Independent Mode 6 Electrical Connection In independent mode two DC input areas working independentiv as the following diagram shows W 1LIEDS W TLS 179S To make sure the maximum DC power can be utilized PV strings connected to individual input area should have a homogenous structure i e same type same number identical tilt and identical orientation Prior to connecting inverter to PV inputs following specifications should be observed Type Area SG3KTL M PE DC2 DC1 SG4KTL M DO DC1 SG5KTL M DO DC Power Limit for Each Input 1650W 1650W 2200W 2800W 2750W 3500W input power Total DC Input Power Limit 3200W 4300W 5400W Open circuit Voltage Limit for Each Input 550V 550V 550V unbalance of the two Short circuit Current Limit for Each Input 12A 12A 12A 20A 12A 20A inputs or input 6 To avoid load restriction ensure the two PV input cables are of the same model SUNGROW 37 6 Electrical Connection
22. 2 2 1 Product Appearance Fig 2 2 Product Description Item Name 1 LCD display panel 2 DC switch Optional 3 DC terminals Communication terminals 5 AC terminal 6 Mounting ear 7 Heat sink 8 Fan SUNGROW Description Inverter operation data view and parameters configuration Optional component It is designed for safelv disconnecting DC current There are three pairs of DC terminals between PV arrays and inverter One 5 pin terminal and one RJ45 plug in terminal Inverter feeds power to utility grid via this terminal It is used to hang inverter onto the backplate It is used to cool down the unit temperature during operation External fan used for air ventilation SG3KTL M without fan 2 Product Introduction User Manual 2 2 2 Dimensions and Weight of Inverter i a0 O0000000000000000 gt T Be LT Fig 2 3 Dimensions of Inverter Tab 2 1 Dimensions Value Type Wimm Himm Dimm Netweightikg SG3KTL M SG4KTL M CITEN 420 555 179 24 2 2 3 LCD Display Panel As a human computer interaction interface LCD display panel comprises LED indicators buttons and LCD display screen on inverter front panel LEDs indicate the working status of the inverter The current running information shown on the LCD display e Malfun
23. 49 7Hz 8 BE 9 Other gt ENTER Com param Address RF address XLN Com param Address 001 YILNI RF address 00 00 00 00 kl PV config mode Password 000000 PV config mode pe fil Independent mode 1 Parallel mode 1 Menu Tree Fig 10 SUNGROW 62 User Manual 10 Operation of LCD Menu 10 3 The Default Screen The LOD is initialized when the inverter is energized delay 5 seconds and then enters into the default menu The default screen displays basic running ED 4 000 kw information E d ti G 15 6 P ac means the current output power of the man 497600 Kil inverter Run li H E dav means the energv output the current 2012 01 31 10 30 d aV E tot means the overall accumulative energy output State shows the inverter s operation mode Current date and time are also displaved 6 If there is no button operation for two minutes it will go back to default menu Icon Description Fan flt signal Fan flticon will appear on the lower left corner of the LCD display once a fan flt signal is detected Vet no logs will be recorded and the fault indicator won t be lit The fan flt icon will disappear after the fan flt is eliminated 10 4 Adjusting Contrast 1 Long press ESC to enter into the contrast Keone adjustment screen 15 6 kWh 4976 kWh
24. 53 8 1 DISCONNECTING the Inverter ssssnsnennzzsnnenzanznnazananzananzanananzananzanannnnananzanza 53 8 2 Dismantling the Inverter ssesesnznzznsennaznnenzaneanasnanzanenznzananenzananzananznnanznza 54 83 Disposingof the Inverter ssesresnennzannnzanzanenzanznnnnzanznzananzansananznnnenanzananzznzaz 54 Troubleshooting and Maintenance ssesesesesesenenoseeneneoeeee DD 9 1 LED Indicator Troubleshooting sssssesesnznzznnenzazananznnennnznnanzanananzanananzananzaz 55 9 2 Troubleshooting of Faults in LCD Screen s ssssesessennzanzenzannnzaznnznnznzznza 55 DS MANE Lads fe a 59 9 3 1 Routine Maintenance iii aston wntuatnatens 59 9 3 2 Fan Cleaning and Replacement esssssessssrnessrnessesernesserersessenessensenssssnesnenesneseen 60 Operation of LCD Menu cccccssssccssssscccssssccccsssscccsssscosssesoO 1 TOT Button FUNCHO f ik jissie ia AT a ae 61 10 2 Overview of LCD MENT l is as 62 10 3 The Default Sereet vr 63 10 4 Adj sting COMELAS U ii iii de iza kie kr a vrois geet 63 10 5 Current Running Information Checking ssessesnzzzzonenzanzanzannnznnennzznzena 64 10 6 Historical Information Checking sssssreseznzznnennazznnenznzansenanzansnnanznnanzanzena 65 10 6 1 Running Record Checking ru ssesesersessesessessrsessrsersenanessenessensrnessensssessssensenensen 65 10 6 2 Fault Record CHECKING sia i e ii era 66 107 ati WAG Ss CURING ii
25. 79mm Mounting method Wall bracket 24kg 25 C 60 C up 45 C derating SUNGROW 81 11 1 2 PV Input Specification Tvpe Area SG3KTL M uo DC2 DC1 SGAKTL M DE DC1 SG5KTL M DE 11 1 3 Temperature Derating Curve DC Power Limit for Each Input 1650W 1650W 2200W 2800W 2750W 3500W Pnom P U 0 5 82 45 Total DC Input Power Limit 3200W 4300W 5400W 60 Open circuit Voltage Limit for Each Input Short circuit Current Limit 12A 550V 24A 12A 12A 550V OA 32A 12A 550V 0A 32A Ambient temperature C SUNGROW 11 2 Exclusion of Liability The content of these documents is periodically checked and revised where necessary Discrepancies therefore may exist Readers are cautioned that Sungrow reserves the right to make changes without notice Please call us or visit our website at www sungrowpower com for the latest information 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 Install or operate the product in unintended environment Install or operate the product without observing relevant safety regulations in the deployment location Ignore the safety warnings or instructions contained in all documents relevant to th
26. 8 under excited to Max Output current 22A Range adjustable 0 8 over excited fety Cl I Safety Class I Safety Class Enclosure IP55 Fan IP65 Other Enclosure P55 Fan IP65 Other Ni Ambient temperature 25 C 60 C Ambient temperature 29000 Overvoltage Category TII MAINS Ii PV Overvoltage Category HI MAINS 1I PV ac Eg Xi K ml 3 N ir DA GE FIA CE X lil Grid Monitoring VDE 0126 1 1 VDE AR N 4105 l I N136 IMAM jigi gg SUNGROW POWER SUPPLY CO LTD al 4 SUNGROW POWER SUPPLY CO LTD ye 4 WWW SUNGROWPOWER COM MADE IN CHINA WWW SUNGROWPOWER COM MADE IN CHINA Fig 4 2 Nameplate of Inverter Image shown here is for reference only Actual product you receive may differ Item Description l tvpe Item Description SUNGROW logo and product Marks of certification institutions of 3 inverter 2 Technical data of inverter 4 Company name website and origin Tab 4 1 Description of Icons on the Nameplate Icon VDE AR N 4105 amp DINVVDEV0126 14 SUNGROW Description Don t dispose of the inverter with the household waste Refer to the corresponding instructions C tick mark of conformitv The inverter is in compliance with directives of C tick CE mark of conformitv The inverter is in compliance with directives of CE TUV mark of conformitv The inverter is in compliance with directives of TUV 15 4 Unpacking and Storage User Manual 4 3 Deliver
27. SUNGROW User Manual SG3KTL M SGAKTL M SG5KTL M PV Grid Connected Inverter SG3K 4K 5KTL M UEN Ver15 201303 Version 1 5 About This Manual This manual applies to inverter SG3KTL M SGAKTL M and SG5KTL M We hope that the device will meet vour satisfaction when vou use it with vour PV plant svstem Aim The purpose of this manual is to provide detailed product information and instructions for the use of SG3KTL M SG4KTL M and SG5KTL M PV grid connected inverter Related Documents The manual cannot include complete information about the PV system You will get the additional information about other devices at www sungrowpower com or via the webpage of device manufacturer Target Group The manual is aimed at technical personnel who are responsible for inverter installation and commissioning in the PV power system and the end customer who will perform daily LCD operation How to Use This Manual Read this manual and other related documents before any work on the inverter Documents must be stored carefully and available at all times The contents of the manual will be periodically updated or revised due to the product development It is probably that there are changes of manual in the subsequent inverter edition The latest manual can be acquired via visiting web page at www sungrowpower com Svmbols Explanation This manual contains important safetv and operational instructions that must be accuratelv under
28. The inverter can be remotely monitored and controlled The communication parameters of the inverter should be configured before connecting to upper computer as follows 10 14 1 Address Setting t 4 000 kW 15 6 kWh 4976 kWh 2009 11 18 18 35 Password 1111 gt Com param PV config mode Com param Address RF address Com param Address 001 1 Long Press ENTER P to enter into the general control screen 2 Short press ESC W to navigate the His inform u arrow pointer to Set param Start Stop 3 Long press ENTER to enter into its gt Set param sub screen 4 Short press ENTER to move right and short Set param press ESC W to set the correct password 1111 5 Long press ENTER to confirm the command Sys param 6 Short press ESC W to navigate the Run param arrow pointer to Com param Pro param 7 Long press ENTER B to enter into its sub screen 8 Short press ESC W to navigate the arrow pointer to Address 9 Long press ENTER P to confirm the setting 10 Short press ENTER P to move right and short press ESC W to set the address 11 Long press ENTER P to confirm the setting G The range of communication address is from 1 to 247 The Baud rate of serial communication is 9600 SUNGROW 75 10 Operation of LCD Menu User Manual 10 14 2 Wireless Address Setting
29. alize and supply DC power to inverter DC bus starts to charge and check the state of the utility grid Ifthe conditions are OK inverter feeds AC power to grid and enters into the running state 4 Observe the status of LED indicators and LCD screen SUNGROW 51 7 Commissioning User Manual e If inverter s commissioning fails FAULT indicator will be lit Gia in the LCD screen will display the type of fault The fault must be removed before repeating from step1 to step 4 e If inverter s commissioning succeeds RUN indicator will be lit Br in the LCD screen will display RUN 52 SUNGROW 8 Disconnecting Dismantling and Disposing of the Inverter 8 1 Disconnecting the Inverter For maintenance or other service work the inverter must be switched off Proceed as follows to disconnect the inverter from the AC and DC power source Lethal voltages or damages to the inverter will follow if otherwise 1 Disconnect the external AC circuit breaker and prevent it from reconnecting 2 Turn off the upstream DC circuit break or cover the PV arravs with opaque materials Rotate DC switch at the bottom of inverter to the OFF position NOTICE Please strictly follow the sequence of the above procedures Otherwise it will cause unrecoverable damage to the inverter 3 Wait about ten minutes until the capacitors inside the inverter are discharged 4 Measure to confirm that the inverter AC output at
30. ance Fault Vdc2high ldclhigh Idc2high Vac low Vac high F fault 56 Cause The DC input voltage of PV2 exceeds the allowable threshold The DC input current of PV1 exceeds the allowable threshold The DC input current of PV2 exceeds the allowable threshold The grid voltage falls below the allowable minimum grid voltage threshold of the installation country The grid voltage exceeds the allowable maximum threshold of the installation country The grid frequency exceeds the permissible range User Manual Troubleshooting 1 Rotate the optional DC switch to the OFF position immediately 2 Measure the open circuit voltage of PV2 strings again Decrease the number of PV modules in PV2 strings if the voltage measured is not permissible 3 Reconnect the DC cables to the inverter and start up the inverter 4 If the fault still exists contact Sungrow Service Dept 1 Rotate the optional DC switch to the OFF position immediately 2 Measure the short circuit current of PV1 string again Decrease the number of PV1 strings in serial if the current measured is not permissible 3 Reconnect the DC cables to the inverter and start up the inverter 4 If the fault still exists contact Sungrow Service Dept 1 Rotate the optional DC switch to the OFF position immediately 2 Measure the short circuit current of PV2 strings again Decrease the number of PV2 strings in serial
31. aram gt PV config mode PV config mode Password 111111 PV config mode Independent mode 1 Parallel mode Are you sure to set it 78 1 Long Press ENTER P to enter into the general control screen 2 Short press ESC W to arrow pointer to Set param 3 Long press ENTER to enter into its sub screen navigate the 4 Short press ENTER to move right and short press ESC W to set the correct password 1111 5 Long press ENTER P to confirm the command 6 Short press ESC W to arrow pointer to PV config mode 7 Long press ENTER to enter into its sub screen navigate the 8 Short press ESC W to set the correct password 111111 9 Long press ENTER P to confirm the command 10 Short press ESC W to choose PV configuration mode long press ENTER to confirm the settings 11 The default configuration mode is independent mode 12 After vou choose PV configuration mode it will displav Are vou sure to set it2 13 Long press ENTER to complete the PV mode configure SUNGROW User Manual 10 Operation of LCD Menu 10 15 Inverter Start Stop Starting the Inverter 4 000 kW 15 6 kWh 4976 kWh A l Run 2009 11 18 18 35 His inform gt Start Stop Set param b Start Stop Stopping the Inverter 4 000 kW 15 6 kWh 4976 kWh T t Run
32. ases with a maximum unbalanced load of 4 6kVA Scenario 3 Several inverters are operated in parallel connection with the low voltage side of MV transformer The high voltage side of MV transformer is connected to the Middle Voltage Grid SUNGROW 31 6 Electrical Connection User Manual Low voltage Side High voltage Side U2 A 5 WY MMA Ui i eee ER w2 k avd W1 MV Transformer Inverter 1 Inverter 2 Inverter n L1 L2 Inverter 1 Inverter2 lt Inverter n L3 Requirements The sum of all inverters in parallel connection is limited to thirty n L1 n L2 n L3 lt 30 Inverters should be distributed as equally as possible between the three phases at the low voltage side with a maximum unbalanced load of 4 6kVA The nominal voltage on the low voltage side of transformer must meet the inverter output electrical specification A neutral point is necessary and must lead outward as neutral conductor WARNING As mentioned in the 1st scenario the total number of inverters is always less than or equal to ten in the 2nd and 3rd scenario the total number of inverters is always less than or equal to thirty If there are inverters more than the limited value inverters may not operate normally 32 SUNGROW User Manual 6 Electrical Connection 6 4 2 Assembling AC Cables to Connector Inverter is equipp
33. cccccccccccccccccccccccccccccccsccscseoO 2 1 Intended Usage aS 6 22 Product DESCHIPUION sats si iii ei ba a a kaka 7 2 2 Prod ct Appearance eannan iaaa OLA 7 2 2 2 Dimensions and Weight of Inverter ssssssesnnzznnnzznnninnzanzanzanzanzansenenzansanzanza 8 2 23 CD DISplav Pane kynna E e fe e gal 8 23 ilechnical Descripttoti tis ki es kai ida a aa dan 10 2 3 l Clr qit Description RET EEE 10 2 3 2 Functioris DEAN NON ii ia e LEG 10 Inverter Workflow cccccccsccsccccccccscccccccccsccccccccccsscccccccccsces I 2 Unpacking and Storage ssesssenesesenesesenenesenennesssnenesseeenoee 14 4 1 Unpacking and Inspection ssssssssezzznnenzanzaneenzznnanzanennnsenenanznnanznnansnsanansez 14 4 2 Identifying Invertet iksi ie eg e e 15 43 Delivery Content ii kikkri idi bits tati ee 16 4Ar Storage OF INVETte sues 5 a G a coasts cucey sca caitsaiseseesneeaorastancucaovarsoeansetneaenst 17 Securing Inverter to the Wall ccsssssscssssscccssssccesssseees 183 5 1 Selecting Installation Location sssssssesennzzznnenzzznnsnnanzaneeneznnanzanananzananza 18 5 2 Moving Inverter to Installation Site sssessesnsnzanzansennznnenzaneezazonenzanznza 21 53 jinSstallatlom PROCS GUNG a ir a 22 Electrical Connection ccccccccccscsccccccccscccccccccccccccccsccccccccscced 7 6 1 General Safety Instruction sseesesnennznnnnnanzansananzonzaranznnenzananzananzznznnznnan
34. ch can be touched during inverter operation Maintenance and Service NOTICE Any malfunction that may impair the inverter safety operation must be repaired immediately before the inverter is restarted Inverter contains no customer serviceable parts inside Please contact local authorized personnel if any service work is required Servicing of the device in accordance with the manual should never be undertaken in the absence of proper tools test equipments or the more recent revision of the manual which has been clearly and thoroughly understood SUNGROW 3 1 Safetv Instructions User Manual AA DANGER There is a risk of inverter damage or personal injury due to incorrect service work Always keep in mind that the inverter is power supplied by dual power source PV arrays and utility grid Before any service work observe the following procedures e Disconnect the inverter from the utility grid side first and then PV arrays e Wait at least 10 minutes for inner capacitors to discharge completely e Verify that no voltage and current existing with appropriate testing devices Keep non related persons away A temporary warning sign or barrier must be posted to keep non related persons away while performing electrical connection and service work Do not open the enclosure when the inverter is under voltage There is a high likely risk of explosion in very specific cases of malfunction The enclosure will protect
35. ction 4 4 Section 5 1 Section 5 2 Section 5 3 Section 6 4 6 7 Section 7 1 Section 7 2 Section 9 1 13 4 Unpacking and Storage 4 1 Unpacking and Inspection The unit is thoroughly tested and strictly inspected before delivery Although sturdy packaging is used damages may still occur during shipping Check the packing for any visible damages upon receiving Check the inner contents for damage after unpacking Check the completeness of the delivery contents according to the supplied packing list If there are visible damages to the packaging or the inner contents or something missing please contact the unit dealer Do not dispose of the original packaging It is the best choice to store the inverter in the original packaging SUNGROW GRID CONNECTED INVERTER SOLAR TECHNOLOGY Fig 4 1 Single Inverter in Original Carton 14 SUNGROW User Manual 4 Unpacking and Storage 4 2 Identifving Inverter Nameplate is attached to the side of the inverter It provides information on the type of inverter the most important specifications marks of certification institutions website and serial number which are available and identified bv Sungrow SUNGROW cno connecreD INVERTER Type SG3KTL M S N DC Input min MPP voltage 125V max MPP voltage 500V max Input voltage 550V max Input
36. ction records shown on the LCD display Inverter configuration by pressing the buttons 1 2 3 Fig 2 4 LCD Display Panel 8 SUNGROW User Manual 2 Product Introduction Item Name Description They are RUN and FAULT User can observe the two LED eee 1 EN indicators to get the current state of inverter Detailed definition is shown in Tab 2 2 LCD screen can display the current state of the inverter 2 LCD screen current running information historical information and parameters to be set User can operate the LCD menu of the inverter via the two 3 putans buttons Detailed function is shown in 10 1 Tab 2 2 Description of LED Indicators Name State Description RUN On Inverter is feeding AC power to the utility grid FAULT Off RUN Off A malfunction happens EAULT On or protection function triggers RUN Off Inverter is not energized FAULT Off or there is communication error between DSP and LCD SUNGROW 9 2 Product Introduction User Manual 2 3 Technical Description 2 3 1 Circuit Description Fig 2 5 shows the main circuit of inverter The inverter boost circuits raise input DC voltage There are two string MPP trackers to ensure the maximum power from PV arravs can be utilized Then the inverter circuit converts DC power to AC power Meanwhile inverter is equipped with protective circuit to guarantee its safetv operation which can triggers the AC relav if required
37. current DC1 10A DC2 10A AC Output e Rated output power 3000W Rated output voltage 230V Rated output frequency 50Hz Max Output current 15A Max Apparent power SEmax 3150VA Displacement factor 0 8 under excited to Range adjustable 0 8 over excited Safety Class I Enclosure IP65 Ambient temperature 25 C 60 C Overvoltage Category HI MAINS 1 PV Grid Monitoring VDE 0126 1 1 VDE AR N 4105 SUNGROW POWER SUPPLY CO LTD WWW SUNGROWPOWER COM MADE IN CHINA SUNGROW GRID CONNECTED INVERTER 1 SUNGROW GRID CONNECTED INVERTER 4 Type SG4KTL M kH NT S N Type SG5KTL M DC Input S N min MPP voltage 125V max MPP voltage 500V opui max Input voltage 550V min MPP voltage 125V max Input current DC1 10A DC2 16A 2 max MPP voltage 500V 550V 2 AC Output ej max Input voltage Rated output power 4000W max Input current DC1 10A DC2 16A Rated output voltage 230V AC Output Rated output frequency 50Hz Rated output power 5000W Max Output current 20A Rated output voltage 230V Max Apparent power SEmax 4200VA Rated output frequency 50Hz Displacement factor 0
38. cut off the power supply of the inverter before plugging VViFi o You may order and purchase Solarlnfo Wireless or Solarlnfo WiFi from Sungrow SUNGROW 47 6 Electrical Connection User Manual RS485 connection to 5 pin terminal The 5 pins of the terminal are defined as below RSASSNVIFI 1 Vec 5V 2 A RS485 3 B RS485 4 GND 5 Null Connector assembling and connecting procedures Step 1 Unscrew the water proof terminal Step 2 Lead the twist pair shielding cable through cable gland Step 3 Weld the cables to the pins Front connector Black to_pin3 Water proof terminal Cable NE KAS gland KG gt Yellow green to pin4 jA Red to pin2 Step 4 Connect the water proof terminal to the front connector Step 5 Tighten the water proof cable gland PA J2 d Step 6 Plug in and tighten the connection 48 SUNGROW User Manual 6 Electrical Connection RS485 connection on RJ45 terminal Step 1 Insert the RJ45 plug into the front plug connector until it makes a clicking sound install the plastic rings then tighten the cable gland with appropriate torque Step 2 Insert connector of one cable end into RS485 5 pin terminal on the bottom of the inverter Make connector and RS485 terminal engage and rotate clockwise Step 3 According to the position of the inverter repeat step 1 2 to connect the other communication cables Step 4 Pull cables outwards to confirm whether they are fastene
39. d firmly Step 5 As for the wires which connect to the terminating resistor or logging devices use the Ethernet wire stripper to strip the insulation laver and connect the RS485 A and B cables 3 and 6 to terminating resistor or data logging device or RS 485 232 converter RJ45 plug 1 __g RJ45 Port 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 Pin 3 and Pin 6 are used for communication Pin 3 to RS485 B Pin 6 to RS485 A RS485 A RS485 B Step 6 Connect the other devices Communication terminal definition is referred to device manual Step 7 Verify the communication connection and configure the communication parameters If there is more than one inverter to communicate with a PC or a data logger it is crucial to configure the communication parameters of each inverter See 10 14 Communication Parameters Setting SUNGROW 49 6 Electrical Connection User Manual Solarlnfo logger and RS485 232 converter are optional parts and can be ordered from Sungrow sil g A A RS 232 RS 485 RS422 RS232 Dry contacts on RJ45 terminal Optional Inverter may perform power derating upon receiving the power limited signal via dry contact communication 6 Communication via drv contacts is an optional function V
40. e product Install or operate the product under incorrect safety or protection conditions Alter the product or supplied software without authority Product malfunctions due to operation attached or neighboring devices running out of the allowed limit values Unforeseen calamity or force majeure The use of supplied software produced by Sungrow Power Supply Co Ltd is subject to the following conditions Sungrow Power Supply Co Ltd assumes no liability for direct or indirect damages arising from the use of Solarlnfo software This also applies to the provision or non provision of support activities Solarinfo software used for commercial purposes is prohibited Decompiling decoding or destroying the original program including Solarinfo software and the embedded software is prohibited SUNGROW 83 11 3 About Us Sungrow power supply is a China leading manufacturer of various power electronics products for renewable energv generation svstems 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 Should you have any questions or queries about
41. ection of AC output current surveillance anti islanding phenomena protection ambient temperature surveillance DC over voltage protection over current protection over temperature protection SUNGROW 11 3 Inverter Workflow The following diagram shows the inverter installation flow Please follow these procedures Unpacking and Inspection Read User Manual Install Immediately Yes i Storage Mounting Location Selection y Moving Inverter y Mounting the Inverter y Electrical Connection Check before Commissioning y Commissioning Troubleshooting sew No Yes C End b Fig 3 1 Installation Flow Chart 12 SUNGROW User Manual Tab 3 1 Description of Installation Flow Order 1 2 Ov Mu B amp B Ww 10 Description Unpacking and inspection Read this manual especially the section on safety instruction Store the inverter unit if not installed immediately Choose the best installation site Move the inverter to the installation site Secure the inverter to the selected wall Electrical connections include DC AC ground and communication optional connection Examine before commissioning Start up inverter and configure corresponding parameters Troubleshooting SUNGROW 3 Inverter Workflow Remark Section 4 1 Chapter 1 Se
42. ectrical Connection User Manual For Multiple Inverters Solarlnfo Logger RS485 Inverter 2 RS485 WiFi RS485 Drv contact 5 core terminal RJ45 terminal Inverter 1 RS485 WiFi RS485 Dry contact 5 core terminal RJ45 terminal Inverter n RS485 WiFi RS485 Drv contact 5 core terminal RJAS terminal Solarlnfo Logger PC ieldi i RS485 RS232 Pin 3 Shielding layer is 7 grounded RS485 232 converter PC T INS RS232 Inverter 1 Inverter 2 Inverter n RS485 WiFi RS485 Dry contact RS485 WiFi RS485 Dry contact RS485 WiFi RS485 Dry contact 5 core terminal RJ45 terminal 5 core terminal RJ45 terminal 5 core terminal RJ45 terminal WiFi Shielding layer is grounded green If the communication system is equipped with Solarlnfo Logger inverters may be dispatched by the power grid via dry contacts or remotely monitored via Solarlnfo Bank You may order Solarlnfo Logger and or Solarlnfo Bank from the Sungrow RS 232 RS 485 RS422 RS232 46 SUNGROW User Manual 6 Electrical Connection 6 7 2 Communication Connection WiFi connection to 5 pin terminal Step 1 Unscrew the adaptor from Solarlnfo WiFi in the following direction Adaptor Step 2 Screw the adaptor to RS485 WiFi connector with appropriate torque Adaptor Step 3 Connect Solarlnfo Wireless or Solarlnfo WiFi to the 5 pin terminal by plugging in and tightening the cable gland Please
43. ed with water proof direct plug in connectors for AC connection which match AC terminals at the bottom of the inverter 6 L N and PE should be equipped with correctly colored cables for distinguishing Please refer to related standards for specific wiring color Inverter is connected to the grid via three wires L N and PE Feeding power is alwavs single phase via AC terminal at the bottom of the unit AC Cable Requirements Select AC cable specifications and tvpes considering the following facts Thegridimpedance of the AC cable must correspond to the specification to avoid unintended disconnection from the grid or derating of the output power eae SGSKTL M Saas SGAKTL M SG3KTL M The cable cross sectional areas and recommended value are shown in the following table avoiding power loss in the cables of more than 1 of the nominal power Type Conductor Cross Section mm2 Outer cable diameter mm Range Recommended Value Range Recommended Value SG3KTL M 4 6 4 10 14 10 SGAKTL M 4 6 4 10 14 10 SG5KTL M 4 6 6 10 14 10 e Withstand ambient temperature Layout type inside wall underground free air etc e UV resistance and so on SUNGROW 33 6 Electrical Connection User Manual Assembling Procedure Step 1 Unscrew the water proof terminal Step 2 Insert appropriatelv sized AC cables through the water proof terminal Step 3 Strip off insulation laver of all AC cables The
44. er time 030s Power limit 100 Power factor 1 000 1 Long press ENTER to enter into the general control screen 2 Short press ESC W to navigate the arrow pointer to Set param 3 Long press ENTER P to enter into its sub screen 4 Short press ENTER P to move right and short press ESC to set the correct password 1111 5 Long press ENTER to confirm the command 6 Short press ESC W to navigate the arrow pointer to Run param 7 Long press ENTER P to enter into its sub screen 8 Short press ENTER P to move right and short press ESC W to configure the running parameters 9 Long press ENTER P to confirm the setting Standby time is the time from inverter initializes to feeds power to grid This parameter ranges from 10s to 255s The default value is 10s Recover time is the time from the fault is cleared to inverter recovers to feed power to grid It ranges from 30s to 300s The default value is 30s 72 SUNGROW User Manual 10 Operation of LCD Menu 10 13 Protective Parameters Setting These protective parameters are designed as the limit value that can trigger the protective functions of the inverter The protective parameters have been configured before deliverv and the users do not need to set these parameters The password therefore is only available to the installer through Sungrow to configure parameters
45. fo Logger which converts 485 to 232 signal is needed between the inverter and PC The maximum number of inverters connected in the daisy chain depends on converter and other factors Please refer to converter s manual to obtain the limit Before communication connection prepare communication cable and RJ45 plug NOTICE RS485 cable s requirements to ensure quality of communication e Twist pair type cable e Twist pair type shielding Ethernet cable 44 SUNGROW User Manual 6 Electrical Connection For Single Inverter Inverter Inverter RS485 WiFi RS485 Drv contact RS485 WiFi RS485 Dry contact 5 core terminal RJ45 terminal 5 core terminal RJ45 terminal Power grid dispatch device Dry Contact Inverter RS485 WiFi RS485 Dry contact Solarlnfo Logger IFI ry contac 5 core terminal RJ45 terminal vr Solarinfo Logger RS485 RS232 Shielding laver is grounded Inverter Power grid RS485 WiFi RS485 Dry contact dispatch device 5 core terminal RJ45 terminal Dry Contact Solarlnfo Logger RS485 RS232 Shielding layer is grounded RS485 232 converter Shielding layer is grounded RS485 RS232 No Specification A Communication via WiFi only B Communication via WiFi and dry contacts a Communication via RS485 only D Communication via dry contacts and RS485 Communication via dry contacts is an optional function You may order and purchase them from Sungrow SUNGROW 45 6 El
46. i sat 67 108 THINS Settii Oi idi kie ar ik a Nede 68 10 9 Energy Deviation Adjustment sssesseseznzansenzannnnzzznnsenaznnanzaneesesananzananznzaz 69 10 10 Load IDET sive i a a 70 10 11 Firmware Version Checking ssssessnsenzaznnenznnenznznnanznzansnnananzananznnananananznnanaa 71 10 12 Running Parameters Setting srenenezzzasasnsnsnsnnnnnananznonesenesezananannnnnnenenezza 72 10 13 Protective Parameters Setting sssssssssssssssesscsccecececessssssssssesesesseseasares 73 10 14 Communication Parameters Setting sssesesnsaazaznnenzazezesesenanenanananananzna 75 10 12 l Acdliress Settima ie iii Es AAN 75 10 14 2 Wireless Address Setting u ssssssssesessesersessrsersensasessenessensrnessensseessssensenessen 76 10 14 3 PV Configuration Mode Setting s sssreseezzzznnnnzanzznznnznnanzznaznsnnznnznnzenanzanz 78 10 15 Inverter Start SON Ree 79 ET Appendix vsssicsiccskincaceneacscccusccstunsseestuussdsceossssieseossiassesvetessrensvecOO at PENNEN 80 MEET SPeE GN NG 80 1112 PV IAPUE SPE GTA NON idea eeeeek 82 11 1 3 Temperature Derating Curve u sssssesssessssasessssesessesensssenessenensssenessenensssenessene 82 11 2 Exdusionof Liabilities ada ei 83 VS AB Jar 84 VI 1 Safety Instructions IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS SG3KTL M SG4KTL M and SG5KTL M inverter are designed and tested in accordance with the international safety requirements B
47. leaning and Replacement DANGER e Disconnect the inverter from the grid first 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 e Fans maintenance work may only be performed by qualified electricians Fan Cleaning There is a fan on the rear of the inverter for ventilation It is recommended that the fans are cleaned every six months Procedure 1 Disconnect the output and input side 2 Wait at least ten minutes 3 Dismantle the inverter in the reversed direction of Installation procedure 4 Loosen the two fixed screws on the back of the inverter 5 Clean the fan with soft brush or vacuum cleaner 6 Reinstall the inverter 7 Re connect the inverter 8 Restart the inverter Fan Replacement If the fan is overheat or makes an abnormal noise please replace the fan This task should only be performed by qualified technician 60 SUNGROW 10 Operation of LCD Menu 10 1 Button Function Inverter offers two buttons for user to look up the running information and configure parameters User should know the button function and operation before anv workon the inverter Tab 10 1 Description of Button Function Button ESC V ENTER B Operation Press for less than two seconds Press for more than two seconds Press for less than two seconds Press for more than two
48. ment NOTICE The energy yields displayed by the LCD panel are indicative only For the actual vields please refer to the electric energv meter 4 000 kW 15 6 kWh ED 4976 kWh A Run 2009 11 18 18 35 His inform Start Stop gt Set param Set param Password 1111 gt Sys param Run param Pro param Com param PV config mode Language Time Energv adj Load default Firmware Version Energy adj 0000kWh The positive symbol can also be changed into the negative symbo 1 Long press ENTER to enter into the general control screen 2 Short press ESC W to navigate the arrow pointer to Set param 3 Long press ENTER to enter into its sub screen 4 Short press ENTER to move right and short press ESC W to set the correct password 1111 5 Long press ENTER to confirm the command 6 Short press ESC W to navigate the arrow pointer to Svs param 7 Long press ENTER to enter into its sub screen 8 Short press ESC W to navigate the arrow pointer to Energy adj 9 Long press ENTER B to enter into its sub screen 10 Short press ENTER P to move right and short press ESC W to set the deviation value 11 Long press ENTER P to confirm the setting Energy adj value Real measured value E tot reading value Te Oo The adjustable range is from 9999 to 9999 kWh
49. ne pair DC1 DC input area 1 one pair of input terminals of input terminals DC DC2 DC input area 2 one pair DC2 DC input area 2 two pairs of input terminals of input terminals RS485 WiFi Five pin terminals for RS485 and WiFi communication RS485 RJ 45 terminals for RS485 communication AC AC terminals to the power grid 28 SUNGROW User Manual 6 Electrical Connection 6 3 Overview of Electrical Connection Electrical connections of the inverter include DC connection AC connection and communication connection oo00000Q00000000000 L aw ab C J s r m mi EN Wn LEE WW Wi ANN QUN itti Fig 6 2 Electrical Connection Diagram Item Description A AC circuit breaker B Utility grid Solarlnfo logger D Remote PC E Solarinfo WiFi F PV arrays NOTICE Remark Used as a protective device during electrical connection User equips this device according to the maximum output voltage and current Nominal line to neutral voltage of the utility grid is 230V User can order it from Sungrow User equips this device to monitor the state of the inverter User can order it from Sungrow for wireless communication SG3KTL M two input areas with two pairs of terminals SG4K 5KTL M two input areas with three pairs of terminals Don t use the WiFi and PC monitor sim
50. nt monitoring unit inside the inverter is able to distinguish the fault current from normal capacitive leakage current The inverter will disconnect immediatelv from the mains when a fault current out of the limit value has been detected However if an external RCD or residual current breaker is mandatorv the switch must be triggered at a failure current of 300mA or higher 30 SUNGROW User Manual 6 Electrical Connection Requirements of Inverter Parallel Grid Connection If several inverters are operated in parallel connection with the grid there are different requirements according to different scenarios Scenario 1 Several inverters are operated in parallel connection with the single phase Low Voltage grid L N PE Inverter 1 Inverter 2 A Inverter n Requirements The sum of all inverters in parallel connection is limited to ten Scenario 2 Several inverters are operated in parallel connection with the three phase low voltage grid L1 L2 L3 N PE Inverter 2 Inverter n L1 Inverter 1 Inverter 2 Inverter n L2 Inverter 1 Inverter2 Inverter n L3 The sum of all inverters in parallel connection is limited to thirty n L1 n L2 n L3 lt 30 Inverter 1 Requirements Inverters should be distributed as equally as possible between the three ph
51. nt of CO2 reduction E month Accumulative power output in the current month T tot Accumulative running time T day Running time today SUNGROW User Manual 10 6 10 Operation of LCD Menu Historical Information Checking 10 6 1 Running Record Checking Inverter archives the running information everv fifteen minutes during inverter operation User can view the historical running records bv the following procedures 4 000 kW 15 6 kWh 4976 kWh 2009 11 18 18 35 gt His inform Start Stop Set param Run record Fault record P1 2 Run record T 2 2009 11 17 50 2009 11 16 32 P24 50 2009 11 17 18 35 PV1 PV2 Vdc V 0 0 0 0 Idc A 0 0 0 0 Pdc W 0 0 P24 50 2009 11 17 18 35 P ac 0000W V grid 220 0V l grid 18 2A F grid 50 0Hz Country GB P24 50 2009 11 17 18 35 E day 15 6kWh E tot 497600kWh Temp 49 5 C State Run SUNGROW 1 Long press ENTER P to enter into the general control screen 2 Short press ESC to arrow pointer to His inform 3 Long press ENTER B to enter into its sub screen navigate the 4 Short press ESC W to arrow pointer to Run record 5 Long press ENTER B to enter into its sub screen navigate the 6 Short press ESC W to navigate the arrow pointer to the historical time you want to check 7 Long press ENTER P to enter into its sub sc
52. ntally With upside down u 8 The inverter unit with IP65 can be installed indoors or outdoors SUNGROW 19 5 Securing Inverter to the Wall User Manual 9 The ambient temperature should range from 25 C to 60 C The power output will reduce when the ambient temperature exceeds 45 C l Q Max ambient ah temperature 60 C KN Min ambient 10 The relative humiditv of chosen temperature installation site should never exceed 25 C 95 Moisture may result in corrosion and damage to the internal device components Max relative H humidity 95 No condensing 11 Avoid exposing the inverter to direct sunlight rain or snow to extend its service life despite of IP65 rating Shaded site of the building would be better ie FIN KA ji Direct sunlight Direct rain fall accumulation 12 Take enough space for convection into consideration during installation 20 SUNGROW User Manual 5 Securing Inverter to the Wall 13 For multiple inverters installation position the inverters side bv side For multi row inverters installation position the inverters in a Xe staggered arrangement 14 Do not install the inverter in a closed cabinet Otherwise the inverter will not operate normally Closed Cabinet 15 Do not install the inverter where children can reach 16 Do not install the inverter in residential area Noise can be produced
53. og to a disk or a file Visual check any damage or deformation of the inverter Check any abnormal noise during the running of the inverter Check each parameter of inverter operation Check if the temperature of the housing is normal Monitor the system using the thermal imager Check the temperature and dust of the inverter Clean the inverter enclosure Check the humidity and dust of the environment Meanwhile check whether the filter function of the air inlet is ok Clean the air inlet and outlet when necessary Check whether cable connections are loose Tighten the loose connections Check whether there is injury in the cables especially the surface in contact with metal Check whether the wrap belt of the connection terminals is strip off Check whether there is crack of the fan blade Check whether there is any abnormal noise of the fan turning Clean or replace the fans Check the LCD stop and emergency stop circuit of the system Simulate shutdown and check stop signal communication Check the warning labels and replace them if necessary Software optimization Check the setting of every parameter SUNGROW Period Oncea month Everv 6 months Six months to a vear it depends on the dust contents in air Six months after commissioning and then once or twice a year Once a year Once or twice a year Once or twice a year 59 9 Troubleshooting and Maintenance User Manual 9 3 2 Fan C
54. ou mav order and purchase them from Sungrow When short circuit two specific pins the inverter will decrease the power output to corresponding percentage The pins function definition for power limitation is shown below e g short circuit Pin 1 and Pin 5 the output power limitation is set as 60 Pin5 Pin8 Pint Pin4 Pin7 Power grid dispatch device The connection procedures of the dry contacts to RJ45 terminal are the same as the RS485 connection to RJ45 terminal 50 SUNGROW 7 Commissioning 7 1 Verifv before Commissioning Before starting up the inverter vou should check the following items 1 Inverter unit is accessible for operation maintenance and service 2 Re check whether the inverter is firmly secured to the wall 3 Room for ventilation is provided for one inverter or more than one inverter 4 Nothing is left on top of the inverter 5 Inverter and accessories are correctly connected 6 Cables are routed in safe place or protected against mechanical damages 7 Specification of AC circuit breaker is reasonable 8 Terminals unused underneath the inverter are sealed 9 Warning signs amp labels are suitably affixed and durable 7 2 Commissioning Procedure 1 Make sure all the above mentioned items meet the requirements 2 Disconnect the external AC circuit breaker 3 Rotate the optional DC switch to the ON position Provided that there is sufficient sunlight PVarrays initi
55. persons and property from such an explosion only if it is correctly sealed NOTICE There is a risk of inverter damage if it is improperly serviced Use accessories and spare parts approved by the inverter manufacturer only Never modify the inverter or other components of the inverter The loss of any or all warranty rights may follow if otherwise NOTICE There is a risk of inverter damage due to electrostatic discharge The printed circuit boards contain components sensitive to electrostatic discharge Wear a grounding wrist band when handling the boards Avoid unnecessary touch of the boards during replacement 4 SUNGROW User Manual 1 Safetv Instructions Others NOTICE The selected country settings can be changed by qualified personnel only Alternation of the country settings may cause a breach to the type certificate marking WARNING All safety instructions warning labels and nameplate on the inverter body e must be clearly visible must not be removed covered or pasted WARNING These regulations should also be followed e the regulations related to the electricity fed into grid e the safety instructions related to PV arrays e the safety instructions related to other electrical devices SUNGROW 5 2 Productintroduction 2 1 Intended Usage SG3KTL M SGAKTL M and SG5KTL M They will be referred to as inverter hereinafter unless otherwise specified single phase without transformer string inver
56. positive terminal while the blue one be connected with the negative DC Cable Requirements Type Cross Section Outer Max Max Withstand Area Range Cable Withstand Current Diameters Voltage SG3KTL M Same with SG4KTL M 2 5 6mm 5 8mm 550V short circuit SG5KTL M current DC Connector Assembling Procedure Step 1 Unscrew the water proof terminal in the following direction Step 2 Strip off insulation layer of DC cable The length of stripped insulation is approximately 15mm B ES Step 3 Thread appropriately sized DC cable through the water proof terminal and insert the stripped cable pin into the spring cage Step 4 Make sure that the stripped cable pin is correctly positioned SUNGROW 39 6 Electrical Connection User Manual Step 5 Push down and click the spring clamp Step 6 Insert and click the cable clamp into the connector 2 e PIN NG y o 6 For further assembly and connection instruction please visit the webpage of the device manufacturer 40 SUNGROW User Manual 6 Electrical Connection 6 5 3 DC Wiring Procedure 7 DANGER Make sure that none of the DC or AC cables connected to the inverter is live before the electrical work Connect the inverter to PV arrav as the following procedures Step 1 Rotate the optional DC switch at the bottom to the OFF position Optional Step 2 Check the connection cable of PV string for the correct polari
57. ptimal 2 Too much dirt on the fans 3 Check the fans for abnormal noise Replace the broken fan if necessary 4 Heat sink is covered 5 If the fault still exists contact Sungrow Service Dept Contact Sungrow Service Dept for solution 1 Check the grounding connection of the PV arrays 2 Check the grounding PE connection of the inverter 3 Contact Sungrow Service Dept for solution 1 Rotate the optional DC switch to the OFF position immediately 2 Measure the short circuit current of PV1 string again Decrease the number of PV1 strings in serial if the current measured is not permissible 3 Reconnect the DC cables to the inverter and start up the inverter 4 If the fault still exists contact Sungrow Service Dept Contact Sungrow Service Dept for solution utility grid Rain or moisture may result in this fault Wait a moment for inverter recovery 57 9 Troubleshooting and Maintenance Fault lac high Fan flt DC inject HRDW Pro Acce flt Com err Cause The AC output current is too high Fan s defect DC injection of inverter output current is too high Malfunction of hardware resulted from overvoltage of the bus over current of the output or input current The PV configuration mode set is not in accordance with the configuration of the actual electrical connection LCD has failed to communicate with DSP for over 20 times User Manual Troubleshooting Po
58. reen 8 Short press ESC W to move to the next screen of the same page Short press ENTER to turn pages P24 50 There are totally 50 running records and here is the 24th record 65 10 Operation of LCD Menu User Manual 10 6 2 Fault Record Checking Inverter archives the tvpes of malfunctions and the duration of malfunctions during inverter operation User can view the historical fault records bv the following procedures 4 000 kW 15 6 kWh 4976 kWh T Run 2009 11 18 18 35 gt His inform Start Stop Set param Run record Fault record P1 1 Fault rec T 2 1 gt 2009 11 05 09 15 59 Samp flt 0001 2 gt 2009 11 05 09 15 59 Vac high 261 0V 1 Long press ENTER B to enter into the general control screen 2 Short press ESC W to navigate the arrow pointer to His inform 3 Long press ENTER P to enter into its sub screen 4 Short press ESC W to navigate the arrow pointer to Fault record 5 Long press ENTER P to enter into its sub screen 6 Short press ESC W to move to the next fault record in the same page Short press ENTER B to turn pages P1 1 There are fault records of one page in total and here is the first page T 2 The total number of fault records is two B The inverter can only archive at most 20 latest fault records Refer to 9 Troubleshooting for fault explanation and troubleshooting 66
59. s in the manual when moving and positioning the inverter e The weight of the equipment can cause injuries serious wounds or bruising if mishandled During Installation Prior to securing the inverter to the wall it is crucial to make certain that the inverter is not electrically connected System performance can be impaired by poor ventilation The equipment requires well ventilation during operation It is essential to keep the unit upright and nothing covering the heat sink to let the equipment interior well cool down During Electrical Connection DANGER Lethal voltage exists PV arrays will produce electrical energy when exposed to sunlight and thus can cause an electrical shock hazard e Wiring of the PV arrays should only be performed by qualified personnel e PV modules should be covered by opaque materials during wiring DANGER All cables must be firmly attached undamaged properly insulated and adequately dimensioned 2 SUNGROW User Manual 1 Safetv Instructions During Inverter Operation DANGER There is a risk of inverter s damage or personal injury Do not disconnect DC connectors while the inverter is under AC load First de energize the equipment from the dual power sources and then verify that there is no voltage existing There is a risk of burns Avoid touching device hot parts such as the heat sink during operation Only the LCD display panel and the optional DC swit
60. stood and followed during the installation and maintenance of the equipment To ensure optimum use of this manual note the following explanations of symbols used A DANGER DANGER indicates a hazard with a high level of risk which if not avoided will result in death or serious injury WARNING WARNING indicates a hazard with a medium level of risk which if not avoided could result in death or serious injury CAUTION indicates a hazard with a low level of risk which if not avoided could result in minor or moderate injury NOTICE NOTICE indicates a situation which if not avoided could result in equipment or property damage 6 NOTE indicates additional information emphasized contents or tips to help vou solve problems or save time Svmbols on the Inverter Bodv AG Wait at least 10 minutes after disconnecting the inverter from the utility grid and the PV input before touching any inner live parts Hot surface Do not touch device hot surface when the device is running Read over the user manual before any work on the inverter The installation and service of the inverter unit can only be performed by qualified personnel Contents About This Manual ccccccsccccscccccccccccccccccccccccccccccccccccccccccsccccccceel 1 Safetv Instructions 0000000000000000000000000000000000000000000000000000000000000000000 1 IMPORTANT SAFETVINSTRUEGTIONS susen 1 Product Introduction ccccccccccccccc
61. stored the maximum layers for original paper packaging are five After long term storage or decommissioning local installer or Service Dept of Sungrow should perform a comprehensive test before connecting the inverter into PV power system SUNGROW 17 5 Securing Inverter to the Wall 5 1 Selecting Installation Location Selecting an optimal installation location for the inverter is decisive for its operating safetv as well as its expected efficiencv and service life 1 Take the load capacitv of the wall into account The wall such as concrete wall or 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 connect and service 3 Do not install the inverter where contains flammable materials or flammable gas in the vicinitv of the unit installation site Rammable material or gas near the installation T 4 Do not install the unit on wall of flammable materials ammable wall material 18 SUNGROW User Manual 5 Securing Inverter to the Wall 5 Install the unit at eve level for easv button operation and displav read 6 It is suggested that the inverter be installed vertically with upside up for good heat dissipation 7 Never install the inverter horizontally or with a forward tilt or with a backward tilt or even with upside down With a forward tilt With a backward tilt Horizo
62. system connect the PE cables of all inverters and mounting frame of PV arrays to the same copper bus bar In this way they are in equipotential connection Inverter 1 Inverter 2 Inverter n A A l CA MEERE KD PV Arrays 1 NII f HUNT Mi LY HH ed He UIA PVArrays2 nl iii ONIN My 7 PV Arrays n in Hh Mounting Frame of PV arrays 00000 0 0 000 0 Grounding Electrode Grounding of PV Power System Copper Bus Bar L N AC Circuit Breaker Inverter A we t AC Grounding Electrode Grounding of Inverter AC Side Fig 6 3 Grounding Inverter SUNGROW 43 6 Electrical Connection User Manual 6 7 Communication Cable Connection 6 7 1 Communication Svstem Inverter provides multiple communication interfaces RS485 WiFi and 4 drv contacts optional vou mav order it from Sungrow and various communication methods Where there is only one inverter the communication connection between the inverter and PC can be established via WiFi or a RS485 cable Where there are more than one inverter all inverters can be connected to PC in daisv chain The very first and last inverter in the chain must be terminated with a resistor of 120Ohm The shielding layer of RS485 cable should be single point grounded Aconverter such as RS485 232 converter or Solarln
63. ted into the PV power system Prior to any electrical connection keep in mind that the inverter has dual power supplies It is mandatory for technical personnel to wear personal protective equipments helmet footwear and gloves during the electrical work DANGER Improper operation during the wiring process can cause fatal injury to operator or unrecoverable damages to the inverter DANGER All electrical installations must be in accordance with local and national electrical codes DANGER Only after being approved by the utility company and installed by qualified personnel can you connect the inverter to the utility grid DANGER 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 SUNGROW 27 6 Electrical Connection User Manual 6 2 Terminals Description All electrical terminals are located at the bottom of unit Fig 6 1 shows the connection area fi Enough space should be kept for electrical connection at the bottom of the inverter when choosing the installation site eFTS RS485 WIFI Fig 6 1 Terminals Description Image shown here is for reference only Actual product you receive may differ Tab 6 1 Terminals Specification Terminals SG3KTL M SG4KTL M SG5KTL M DCI DC1 DC input area 1 o
64. ter is a crucial unit between the PV arrays and the utility grid in the small scaled PV power system Inverter is dedicated to converting direct current power generated by the PV modules into alternating current which conforms to parameters of local utility grid and feeds the alternating current into the utility grid An example about intended usage of the inverter is shown in Fig 2 1 NOTICE Where the positive or negative terminal of PV strings needs to be grounded inverter cannot be connected to PV modules of this type TA VSS A B C D Fig 2 1 Application of Inverter to the PV Power System Item Description Remark l monocrystalline silicon polycrystalline silicon and se thin film of protection class II without grounding B Inverter SG3KTL M SG4KTL M or SG5KTL M Metering sr C meter cupboard with power distribution system device D Utility grid TT TN C TN S TN C S 6 SUNGROW User Manual NOTICE 2 Product Introduction Anv other or additional usage other than the intended usage is not permitted Inverter only accepts PV modules of Protection Class Il as its input Inverter may only be connected to utility grid via distribution board Local loads home appliance lights motor loads etc cannot be connected between the inverter and AC circuit breaker on the distribution board 2 2 Product Description
65. this product please contact Us through the following information We will be more than happy to assist you Sungrow Power Supply Co Ltd Website www sungrowpower com Email infor sungrow cn service sungrow cn Address No 2 Tianhu Rd New amp High Technology Industrial Development Zone Hefei P R China 230088 Telephone 86 551 6532 7834 86 551 6532 7845 86 551 6532 7856 84 SUNGROW SUNGROW Green and Effective Specifications are subject to changes without advance notice
66. tv and that the open circuit voltage does not exceed the inverter input limit 550V even under the lowest operating temperature Refer to module specification supplied bv module manufacturer for detailed information Q Step 3 Plug the positive and negative DC connectors into corresponding terminals until there is an audible click NOTICE Please avoid connecting the same PV string to terminals of different input areas For example the positive pole of a string is connected to input area DC1 and the negative one is connected to DC2 SUNGROW 41 6 Electrical Connection User Manual DC24 Midi 3 2 Image shown here is for reference only Actual product you receive may differ Step 4 Connect the other two PV strings with the same procedures if necessary Unused DC terminals should be sealed 42 SUNGROW User Manual 6 Electrical Connection 6 6 Grounding of Inverter WARNING Because of the transform less design of the inverter DC positive pole and DC negative pole are not permitted to be grounded A permanent destroy to the inverter may follows if otherwise 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 the PE cable to the installation ground Where there are multiple inverters in the PV power
67. ultaneously due to their different communication protocols communication abnormal will occur if otherwise SUNGROW 29 6 Electrical Connection User Manual 6 4 Connecting Inverter to AC Grid The inverter is connected to the grid via 3 wires L N and PE Feeding power is alwavs single phase via AC terminal at the bottom of the unit AC cables are equipped with water proof direct plug in connector which match AC terminals An appropriatelv sized AC circuit breaker is suggested as the protection equipment in AC connection as shown in Fig 6 2 6 4 1 AC Side Requirements 6 Only after being approved by the local grid company can you connect the inverter to the grid Prior to connecting the inverter to the utility grid verify whether the grid voltage and frequencv are within the range of inverter output parameters refer to Appendix Consult the local grid companv for solution if otherwise AC Side Circuit Breaker An independent two pole circuit breaker for the inverter must be installed at the output side to ensure that the inverter can be securelv disconnected under load Inverter Type Specification Recommended of AC Circuit Breaker SG3KTL M 25A SGAKTL M 32A SG5KTL M 32A NOTICE e Itisnotallowed for several inverters to use the same circuit breaker e It is not allowed to connect loads between the inverter and the circuit breaker Residual Current Device With an integrated universal current sensitive residual curre
68. ut Side Data Nominal AC output power 3000W 4000W 5000W Max AC output apparent power 3150VA 4200VA 5100VA Max AC output current Nominal AC voltage 230Vac Single phase 180 276Vac May vary as per corresponding AGO ROSA country s grid standard Nominal grid frequency 50Hz 60Hz 45Hz 55Hz 55Hz 65Hz May vary as per erio megquencyirange corresponding country s grid standard lt 3 Nominal power Pawar actor gt 0 99 default value at nominal power adj 0 8 over excited 0 8 under excited 80 SUNGROW Technical Specifications SG3KTL M SGAKTL M SG5KTL M Valid only when the Pro param on the LCD display is set as DE Protection Anti islanding protection DC reverse connection protection AC short circuit protection Leakage current protection DC switch DC fuse Overvoltage protection System Data Max Efficiency 97 4 97 6 97 6 Max European efficiency 96 5 97 0 97 0 Isolation method Transformerless n gt vn ptional zjolkilx Varistors Ingress protection rating IP65 IP65 Fan IP55 IP65 Fan IP55 Night power consumption Operating ambient temperature range Allowable relative humidity 0 95 No condensing range Cooling Method Forced air cooling cooling 4000m operation with derating above 2000m RS485 RJ45 connector WiFi Optional IEC61000 6 2 IEC61000 6 3 Certification AS NZS3100 AS4777 2 AS4777 3 VDE AR N 4105 Mechanical Data Dimensions W xH xD 420x555x1
69. ut as with all electrical and electronic equipments certain precautions should be observed during installation operation and maintenance work NOTICE There is a risk of inverter damage or personnel injury Various plug in interfaces are provided on the bottom of the inverter Do not open the enclosure at any time Loss of any or all warranty rights may follow if otherwise Operation or work performed incorrectly can result in damage to The life and well being of the operator or a third party The inverter and other properties that belong to the operator or a third party To reduce the risk of injury and ensure the normal operation of the inverter you must read over and follow all the instructions cautions and warnings 7 WARNING All installation and electrical work must only be performed by qualified personnel They have been trained specially already completely read through and understood the manual and other related documents e been familiar with safety requirements for electrical system Technical personnel mentioned above may perform the following work Secure the inverter to the wall Connect the inverter to the PV power system Connect other devices to the PV power system SUNGROW 1 Safetv Instructions User Manual Commission the inverter e Maintain and service the inverter Before Installation There is a risk of injury if the product is mishandled Always follow the instruction
70. v Contents Item AISITI II Mim OJN amp A gt 16 J K Fig 4 3 Delivery Contents Description Inverter unit It is used to mount the inverter onto the wall Expansion bolts for fastening the backplate onto concrete wall Fastener set for installing the inverter onto metal frame PV input connectors including positive and negative connectors DC connectors types PV CF S 2 5 6 PV CM S 2 5 6 WiFi Optional for wireless communication RS485 connector and 5 pin communication connector CHOGORI 203 Series 5 pin AC output connector RST25i3 User Manual including installation instructions and operation instructions Packing list and product test report Quality certificate SUNGROW User Manual 4 Unpacking and Storage 4 4 Storage of Inverter If you do not install the inverter immediately you should choose an appropriate location to store it The unit must be stored in original packaging and the desiccant must be left in the packaging 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 and 60 C And the storage relative humidity should be always 0 and 95 It is very important to keep the packaging away from chemicals Otherwise it will lead to corrosion During the storage time check periodically for visible damages by rats Replace the packaging if necessary If there is more than one inverter to be
71. verter Step 3 Connect PE cable to the grounding electrode Where there are multiple inverters in the PV power system connect PE cables of all inverters and the mounting frame of PV arrays to the same copper bus bar which may establish equipotential connection Step 4 Connect phase cable and N cable to the AC circuit breaker Step 5 Check whether the cables are firmly secured SUNGROW 35 6 Electrical Connection User Manual 6 5 Connecting Inverter to PV Arravs DANGER Lethal voltage exists PV arrays produce electrical energy when exposed to light and can thus create an electrical shock hazard Wiring of the PV arrays should only be performed by qualified personnel 6 5 1 DC Input Configuration Mode The inverter has two PV input area DC1 and DC2 input each with its MPP tracker The two PV input can work in independent mode or parallel mode set by LCD display menu see 10 14 3 PV Configuration Mode Setting You may see technical information String inverters work mode selection criteria and configuration in the Sungrow website to decide the PV configuration mode for inverter NOTICE There is a risk of inverter damage The following requirements should be met otherwise they will lead to loss of any or all warranty rights e Make sure that the maximum short circuit current of each DC input is less than inverter allowable limit e The PV string should be designed to meet the open circuit
72. wer grid exception mav cause this fault Wait a moment for inverter recovery If the fault occurs repeatedly contact Sungrow Service Dept for solution Contact Sungrow Service Dept for solution Contact Sungrow Service Dept for solution Wait a moment for inverter recovery If the fault continues for an hour contact Sungrow Service Dept 1 Disconnect the inverter 2 Re select the PV configuration mode or re connect the DC inputs 1 If this malfunction happens wait for a while and observe whether the fault can be cleared by the inverter itself 2 Perform the Stop command in the LCD displav 3 Perform the Start command to restart the inverter 4 If the fault still Sungrow Service Dept exists contact Should you have any questions in operating the inverter please contact US Telephone 86 551 6532 7817 Email service sungrow cn We need the following information to provide you the best assistance Type of the inverter Serial number of the inverter Fault name Each fault has a corresponding fault code for example 01 represents sampling fault Brief description of the fault phenomenon 58 SUNGROW User Manual 9 Troubleshooting and Maintenance 9 3 Maintenance 9 3 1 Routine Maintenance Items Save data General state of system System clean Electrical connection Fans Safety function Software Methods Save the running data parameters and l
73. znta 27 6 2 Terminals Description ssssesesnznzannnnnznnennaznnnznznnnnrnzananznnnnananznznnanananznznzana 28 6 3 Overview of Electrical Connection sssssesenzzznensanzanzanzanzanenzansanzennnzezaa 29 6 4 Connecting Inverter to AC Grid esensesessesessrnesesssnessrnesenesessenessenesessenesseneses 30 IV 10 64 1 AC Side Reder 30 6 4 2 Assembling AC Cables to Connector sseesesenzanenzenzansenanzantenanznnenanzananzanzena 33 GA 3 AG Wind Procedir save 35 6 5 Connecting Inverter to PV Arravs sssesesezzzsnsnsezesesenezanennnanansnsesezasananasasasaz 36 6 5 1 DC Input Configuration Mode rseesersssssnsessessrnsenersessessessesersersessessesseserssessene 36 6 5 2 Assembling DC Cable to Connector ssessesnznnzonsezenzonzananzaneanenznzanansansnzanzena 39 653 DE Wirng PrOcedU te ikopri ai Gie tease dati 41 66 Grounding of Inverter s sssesnznzznznnenznnznnanzananzananannannnnnnnznzanannnnzananzanzananzanzaz 43 6 7 Communication Cable Connection ssessesseseazazznsenznnezzonsnsanzananzansnsansaz 44 6 7l Eommuni ation SYSTE Maso A 44 6 72 Communication Connectionin a en 47 C MmMISSIONMNO esnia n I 7 1 Verify before Commissioning sssseesesseessssesssseesssseesssseessseresseesosseesssseesssseesss 51 7 2 Commissioning Procedure ssesesseseznnznznnenznzananznnananzananzanannnnnenzananznnnnznzzta 51 Disconnecting Dismantling and Disposing of the Inverter

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