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Grid-tied PV String Inverter

User Manual

Summary of Contents for SUN-12K-G03

Page 1: ...Grid tied PV String Inverter User Manual R ...

Page 2: ...ection of the ground line 5 4 Inverter monitoring connection 6 Startup and Shutdown 6 1 Start up the inverter 6 2 Inverter Shutdown 7 Limiter function Optional 7 1 Limiter function wiring diagram 7 2 Connect the limiter to inverter 7 3 Debugging Limiter 7 4 Notes while using limit function 8 General Operation 8 1 The initial interface 8 2 Statistics information 8 3 Fault Record 8 4 ON OFF setting ...

Page 3: ...shown below These models contain SUN 12K G03 SUN 15K G03 SUN 18K G03 The following is collectively referred to as inverter Pic1 1 Front view Pic1 2 Bottom view Please check the following table to see whether all the parts are included in the package 1 2 3 4 5 Application of inverter in photovoltaic power system PV strings Inverter Metering device Power grid Family load 01 AC DC Alarm Normal AC DC ...

Page 4: ...erwards use Safety signs are used to emphasize potential safety risk and important safety information The manual includes below things Pic1 3 Accessories drawing 1 1 Parts list Description Grid tied PV String Inverter Wall mounting bracket Mounting stainless steel screws M4 12 AC power connectors DC power connectors including Inserted spring Stainless steel Collision bolt M6 80 Square hole sealing...

Page 5: ...der operating Please do not touch the inverter s surface Warning Electrical installation of the inverter must conform to the safety operation rules of the country or local area Warning Inverter is non isolated topology structure hence must insure DC input and AC output are electrical isolated before operating the inverter Strictly prohibit ground the positive and negative poles of the PV string Ot...

Page 6: ...opriate anti static measure 6 Please install where children can not touch The three phase string power inverter is designed and tested under related safety regulations It can ensure the personal safety of the user But as an electric device it may cause shock or injury by incorrect operation Please operate the unit under below requirements Shock Hazard When PV module is exposed to sunlight The outp...

Page 7: ... left one is DC output indicator green indicates normal DC input power status Beside is the AC indicator green indicates normal AC connecting status Next is the operating indicator green indicates normal output The right indicator is alarm red indicates alarming 7 When starting the inverter first close the closed circuit grid side switch and close the DC input terminal when closing the inverter di...

Page 8: ... parameters use ESC and ENTER button 3 4 LCD Display The three phase string inverters use a dot matrix display mainly contains the following Inverter operation status and information Operating information Warning message and malfunction display Explanation Inverter detects DC input Low DC input voltage Grid Connected Grid Unavailable Under normal operating Stop operating Detected faults or report ...

Page 9: ...air ventilation of the installation location improper installation may cause overheating and effect the working efficiency and lifespan Sun shade Expose the inverter to sunshine will cause it overheating and effect the working efficiency Avoid rain and snow Even if the inverter has IP65 protection we still recommend installing the inverter at the ventilate place where can avoid rain and snow It ca...

Page 10: ...at least 500mm gap between each inverter And each inverter must be at least 500mm above and below And must install the inverter at the place where children cannot touch Please see pic 4 3 Consider whether the installation environment is helpful to see the inverter LCD display and indicator status clearly Must offer a ventilate environment if inverter is installed in the airtight house Safety Hints...

Page 11: ...e inverter is designed according to the wall mounted type installation please use the wall mounted the brick wall of the expansion bolt when installing 4 2 Inverter Installation Anchoring Mounting bracket M4 14 Stainless steel screws Inverter 09 500mm 500mm ...

Page 12: ... installation must be suitable for the expansion bolt installation 2 Ensure that the position of the installation holes on the wall A B C D are the same position of installation Picture 4 5 and the mounting level is guaranteed 3 Hang the inverter to the top of the mounting rack and then use the M4 screw in the accessory to lock E and F Picture 4 6 to ensure that the inverter will not move Pic4 5 I...

Page 13: ...h DC and AC all electrical connections conform to the related standards of the country In order to safe connection the electrical connection must follow below steps 1 Switch AC off 2 Switch DC off 3 Connect the inverter to solar panels Pic4 6 Mounting of inverter 5 1 DC input terminal connection 5 Electrical Connection 11 ...

Page 14: ... inverter input terminal Figure 5 1 is shown in figure 5 2 c Making DC connection line Strip off the DC wire about 7mm disassemble the connector cap nut see pic5 3 1 Crimping metal terminals with crimping pliers as shown in 5 4 Pic 5 3 Disassemble the connector cap nut Pic 5 4 Crimp the contact pin to the wire Pic 5 1 DC connector MC4 Pic 5 2 DC connector MC4 7mm 7mm 12 ...

Page 15: ... Finally insert the DC connector into the positive and negative input of the inverter shown as figure 5 6 Pic 5 5 connector with cap nut screwed on Sheet 5 1 Specs of AC cable Pic 5 6 DC input connection 2 Traverse area mm Cable type Range 4 0 12AWG 5 5 9 0 Recommended size Outside diameter of cable mm 4 0 6 0 12 10AWG Industry generic PV cable model PV1 F 13 ...

Page 16: ... solar panel needs to be blocked by the opaque material and ensure that the DC switch is OFF otherwise the high voltage of the inverter may lead to life threatening conditions Do not close the DC switch after the DC terminal is connected Connect the AC terminal to the AC side of the inverter the AC side is equipped with three phase AC terminals that can be conveniently connected Flexible cords are...

Page 17: ...t length as shown in Picture 5 8 Pic 5 8 Strip AC cable 1 Matching socket 2 Sleeve 3 Sealing core 4 Sealing nut Pic 5 7 AC connector structure 1 2 3 4 15 Step 3 Insert the cable L1 L2 L3 N PE into the sealing sleeve Step 4 Use the hexagon screwdriver loosen the bolts of the socket in turn and insert each cable core into the corresponding jack and set each screw The connection hole of AC connection...

Page 18: ...e Step 6 Connect the terminals to the inverter as shown in picture 5 10 Pic 5 10 AC input connection Pic 5 9 AC Connector Hole Pattern Safety Hint when connection please according to above picture ensuring each cable plug into corresponding port 16 ...

Page 19: ...as the function of wireless remote monitoring The inverter with Wifi function is equipped with Wifi Plug to connect the inverter and network Wifi Plug s operation installation Internet access APP downloading and other processes are detailed in the instructions Picture 5 12 is the Internet monitoring solution 5 3 The connection of the ground line 5 4 Inverter monitoring connection Warning Inverter ...

Page 20: ...n the screws Insert the Wifi Plug into the interface and fix it with a screw The configuration of the WiFi Plug needs to be performed after various electrical connections have been completed and the inverter DC power on When the inverter is on the DC power it is determined whether the WiFi Plug is normally electrified The LED light shines out of the shell 5 4 1 Installation of Wi Fi Plug Pic 5 12 ...

Page 21: ...e time to optimize the system configuration it is recommended that the two inputs be connected to the same number of photovoltaic modules a The maximum open voltage of each set of photovoltaic modules shall not exceed 600VDC under any conditions b Each input of the inverter must use the same type of photovoltaic module in series c Total output power of pv shall not exceed the maximum input power o...

Page 22: ... if any or simply disconnect the dc input connector The inverter will close the LCD and all leds within two minutes 20 7 Limiter function Optional The inverter has external limitier function This function is optional It can collect counter current power to control the output power of the inverter so that the power of inverter and load can be offset and the excess power will not be fed back to the ...

Page 23: ...se the limiter function of the inverter we have specifically given the wiring diagram as shown in Picture7 2 the red lines connected to the utility grid called wire L blue line shows the zero line N yellow green line shows the ground wire PE We recommend installing an AC switch between the inverter outlet and the utility grid the specs of the AC switchis determined by the load capacity The AC swit...

Page 24: ...he front side of the load domestic appliance ect to achieve this function Only when the limiter collects the voltage and current of the same phase can it judge the power of the phase So the clamp senor should be connected to the same phase as the before Open the side buckle of the clamp senor then clamp the senor to the AC line on the DC switch the arrow direction on the senor should towards that ...

Page 25: ...of the limiter and tighten the line 4 Connect the control line There are two numbers 1 and 2 on the interface of limiter and the same on the waterproof terminal of the inverter Twist the waterproof terminal and connect the red line to number 1 and black line to number 2 shown as the picture After that connect the terminal to the interface of the limiter The other side of the line should be connect...

Page 26: ...r LCD lighting up 3 Press Enter button on the LCD panel in the main interface into the menu options select parameter setting to Enter setup submenu and then select running parameters as shown in figure 7 8 at this time please Input the default password 1234 through pressing the button up down confirm enter the operation parameter setting interface Shown as figure 7 3 Use of anti backflow function ...

Page 27: ...ers page otherwise the settings are invalid 6 Need to understand that grid power shows positive means grid power is consuming energy and there is no backflow If grid power is negative it means backflowr to the grid or current transformer direction error has occurred Please read more on chapter 7 9 7 After properly connection is done wait for inverter starting If the power of the PV array meets the...

Page 28: ...f PV input is no more than 800V Otherwise may cause inverter malfunction Do not have this limitation if not working under limit function Warning While the grid power is negative and inverter has no output power That means the orientation of the current sensor is wrong pls turn off the inverter and change orientation of the current sensor Warning The current sensor of limit function needs to be cla...

Page 29: ...ter ID etc Press the Up key and the Down key to see the current DC voltage DC current AC voltage AC current inverter radiator temperature software version number and Wifi connection state of the inverter 8 General Operation Start LCD main menu AC output data Temp and interface Time Generated energy Operation information Fault record Production data Testing data on off Param setting System param Ru...

Page 30: ...ge AC current inverter temperature software version information You can check the inverter inside temp LCD software Ver137 and inverter software Ver1400 There are two black spot in the bottom right corner The first flash means inverter is communicating with LCD The second flash means LCD is communicating with Wifi plug There are four submenus in the Main Menu You can check the PV information the n...

Page 31: ... There are five submenus in the statistics Into each submenu through cursor This information is for technician s reference Pic8 10 Fault Record Pic8 11 ON OFF setting Only can keep four fault record in the menu include time customer can deal with it depends on the error code 8 3 Fault Record 8 4 ON OFF setting 1 F19 181017 07 2 F35 181015 08 Turn ON Turn OFF ...

Page 32: ...t param comm param All of these information for maintenance reference 8 5 Parameter setting System Param includes time set language set display set and factory reset 8 5 1 System Param System Param Run Param Run Param Protect Param Protect Param Comm Param Time Set Language Set Display Set Factory Reset ...

Page 33: ...iveP 100 ReactiveP 0 Fun GFDI OFF Limiter OFF _ Pic8 16 Language set Pic8 17 Password Pic8 18 Running Param 8 5 1 2 Language set 8 5 2 Running Param Note Password required restricted access authorized engineer only Un authorized access may avoid the warranty The initial password is 1234 ...

Page 34: ...Voltage 185 0V Pic8 19 Protect Param 8 5 3 Protect Param Note Engineer Only We will set the param depends on the safety requirements so customers don t need to reset it The password is same as 8 5 2 Running param Note Engineer only 00 EN50549 00 CUSTOM ...

Page 35: ...phase string inverters are designed according to grid connected operating standards It meets safety requirements and electromagnetic compatibility requirements Before leaving the factory the inverter has undergone several rigorous tests to ensure that it can be operated reliably and permanently Warning When the device is running the local temperature is too high and the touch can cause burns Turn ...

Page 36: ... input power is within the allowed range 2 Restart inverter and check whether it is in normal 3 Seek help from us if can t go back to normal state F18 AC over current fault of hardware 1 Restart inverter and check whether it is in normal 2 Seek help from us if can t go back to normal state 1 Please wait for a while and check whether it is normal 2 If still same and turn off the DC switch and AC sw...

Page 37: ... foregoing reasons and still exists please contact us for help 1 Refer to F41 F44 AC Line V W low voltage 1 Refer to F42 F45 AC Line U V over voltage 1 Refer to F41 F46 AC Line U V low voltage 1 Refer to F42 1 Measure the actual grid frequency and compare with inverter set value if the grid frequency measured is higher than set value and then ask help from local electrically company for solution 2...

Page 38: ... include LCD s error code and LED status indicator lights DC busbar voltage is too low 1 Check PV input voltage and Ubus voltage via LCD or monitoring platform 2 Disconnect DC switch and AC switch and reconnect DC switch and AC switch 10min later to restart the inverter 3 If the fault still exists please contact us for help Error code Description Solutions F56 F64 IGBT heat sink high temperature H...

Page 39: ...id Output Current A Max AC Output Current A Grid Current THD DC Injection Current mA Output Power Factor 0 99 3 0 5 Grid Frequency Range Max Efficiency Euro Efficiency MPPT Efficiency Protection Size mm 13 2 16 5 19 8 380 400 277 460 50 60 Optional Three phase 17 4 19 14 DC reverse polarity protection AC short circuit protection AC output overcurrent protection Output overvoltage protection Insula...

Page 40: ...ing 2000m Designed Lifetime Grid Connection Standard Stafty EMC Standard Operation surrounding humidity Display Interface RS485 RS232 DC Connection AC Connection 20Years EN50438 IEC61727 VDE4105 NB T32004 CQC IEC62109 1 2 IEC62109 1 2 EN61000 6 1 EN61000 6 3 0 100 MC 4 mateable LCD1602 IP65 rated plug ...

Page 41: ...Add No 26 30 South Yongjiang Road Beilun 315806 Ningbo China Fax 86 0 574 8622 8852 Tel 86 0 574 8622 8957 E mail wutz deye com cn Web www deyeinverter com Ver 1 3 2020 04 ...

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Deye SUN-12K-G03, User Manual

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