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Grid-tied PV String Inverter

User Manual

SUN-40K-G-LV

SUN-45K-G-LV

SUN-50K-G-LV

Summary of Contents for SUN-40K-G-LV

Page 1: ...Grid tied PV String Inverter User Manual R SUN 40K G LV SUN 45K G LV SUN 50K G LV ...

Page 2: ...11 13 4 3 Installation of inverter 6 Start up and shut off 6 1 Start up the inverter 6 2 Shut off the inverter 16 18 18 18 16 5 4 Inverter monitoring connection 5 3 Connection of the ground line 7 Zero export function via SUN limiter 19 7 1 SUN Limiter function wiring diagram 7 2 Connect the SUN limiter to inverter 19 20 26 38 38 23 7 4 Zero export function Option 7 3 Debugging SUN Limiter 24 8 1 ...

Page 3: ...anual mainly describes the product informa on guidelines for installa on opera on and maintenance The manual cannot include complete informa on about the photovoltaic PV system How to Use This Manual Read the manual and other related documents before performing any opera on on the inverter Documents must be stored carefully and be available at all mes Contents may be periodically updated or revise...

Page 4: ... steel screws M4 12 x 10 Grid ed PV String Inverter x 1 DC power connectors including Inserted spring x 16 pairs Stainless steel an collision bolt M6 80 x 3 Wrench x 1 User manual User manual x 1 Installa on screws M5 12 x 2 SUN limiter op onal x 1 Sensor Clamp op onal x 3 Meter op onal x 1 Wi Fi Plug op onal x 1 Three Phase Smart Meter SET ESC 19 20 ...

Page 5: ...ruc ons which if not correctly followed could result in burns Safety Hint Note symbol indicates important safety instruc ons which if not correctly followed could result in some damage or the destruc on of the inverter Warning Warning symbol indicates important safety instruc ons which if not correctly followed could result in serious injury or death Shock Hazard Prohibit disassembling inverter ca...

Page 6: ...3 Local temperature of the inverter may exceed 60 while under opera ng Do not touch to avoid ge ng injured 4 All electrical installa on must be in accordance with local electrical standards and achieved permission of local power company 5 Please take appropriate an sta c measure 6 Please install where children can not touch Shock Hazard When PV module is exposed to sunlight the output will generat...

Page 7: ...ica ng normal ac connec on Beside the AC indicator is the opera ng indicator green indica ng normal output The right indicator is alarm red indicates alarming Explanation Inverter detects DC input Low DC input voltage Grid Connected Grid Unavailable Under normal opera ng Stop opera ng Detected faults or report faults Under normal opera ng Indicator status DC AC NORMAL ALARM on oﬀ on oﬀ on oﬀ on oﬀ...

Page 8: ...ght is Enter bu on ENTER Achieving below func ons by the four bu ons Three phase string inverter use 256 128 dot forma on display Display below content Page turning use UP and DOWN bu on Modify adjustable parameters use ESC and ENTER bu on 3 4 LCD Display Inverter opera on status and informa on Opera ng informa on Warning message and malfunc on display ...

Page 9: ...freely To avoid overhea ng always make sure the ﬂow of air around the inverter is not blocked Exposure to direct sunlight will increase the opera onal temperature of the inverter and may cause output power limi ng It is recommended that inverter installed to avoid direct sunlight or raining To avoid overhea ng ambient air temperature must be considered when choosing the inverter installa on loca o...

Page 10: ...l more than one inverter must leave 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 picture 4 3 Consider whether the installa on environment is helpful to see the inverter LCD display and indicator status clearly Must oﬀer a ven late environment if inverter installed ...

Page 11: ... 09 500mm 500mm Pic 4 4 Mou ng bracket dimensions 4 2 Inverter of inverter Pic4 3 Installa on Gap ...

Page 12: ... mounted in a ver cal posi on The steps of moun ng are as follows 1 For brick walls the posi on of the holes should be suitable for the expansion bolts 2 Make sure the bracket is horizontal and the moun ng holes are in the correct points Drilling the holes on the wall according the marks 3 Using the expansion bolts to ﬁx the bracket to the wall ...

Page 13: ...use serious damages to the inverter Safety Hint Before connec ng inverter please make sure the PV array open circuit voltage is within the 500V of the inverter Safety Hint Before connec on please make sure the polarity of the output voltage of PV array matches the DC and DC symbols Safety Hint Please use approved DC cable for PV system Pic5 1 DC connector MC4 Pic5 2 DC connector MC4 Cable type Ran...

Page 14: ...5 3 b Crimping metal terminals with crimping pliers as shown in picture 5 4 c insert the contact pin to the top part of the connector and screw up the cap nut to the top part of the connector as shown in picture 5 5 Pic5 3 Disassemble the connector cap nut 7mm 7mm Pic5 4 Crimp the contact pin to the wire Pic5 5 connector with cap nut screwed on ...

Page 15: ...C input line the solar panel needs to be blocked by the opaque material and the DC switch should be OFF otherwise the high voltage of the inverter may lead to life threatening condi ons Warning The AC cable line L1 is connected to socket 1 L2 is connected to socket 2 L3 is connected to socket 3 the PE line is connected to the earth and does not involve N wire connec ons please do not insert N line...

Page 16: ...shown in Pic 5 8 2 Connect the cable through the junc on box waterproof jacket and insert into the terminal The picture shows the connec on mode of three phase lines connected to the junc on box ground wire screwed on the inverter shell Pic5 9 and use hexagon screwdriver to presses the wiring harness to the connect terminal as shown in Pic5 10 5 7 AC junc on box 5 8 AC terminal 5 9 AC cable connec...

Page 17: ...on connector as shown in Pic5 11 5 2 3 Recommended current protector speciﬁca ons 5 11 Tighten the AC junc on box Table 5 3 Recommended current protector speciﬁca ons Inverter SUN 40K G LV SUN 45K G LV SUN 50K G LV Rated voltage 127 127 127 Rated output power KW 40 45 50 Current protection device A 115 130 140 ...

Page 18: ...he ground line Inverter has the func on of wireless remote monitoring inverter The inverter has Wiﬁ func on and Wiﬁ Plug in the accessories is used to realize the connec on between the inverter and the network The opera on installa on networking APP download are detailed in the WIFI PLUG instruc ons Figure 5 13 is the Internet monitoring solu on 5 4 Inverter monitoring connec on 5 12 The installa ...

Page 19: ... in the accessories and ghten the screws Insert the Wi Fi Plug into the interface and ﬁx it with a screw The conﬁgura on of the Wi Fi Plug needs to be performed a er various electrical connec ons have been completed and the inverter DC power on When the inverter is on the DC power it is determined whether the Wi Fi Plug is normally electriﬁed The LED light shines out of the shell 5 4 1 Installa on...

Page 20: ...w below steps 1 First switch on the AC breaker 2 Turn on the DC switch of the PV module and if the panel provides suﬃcient star ng voltage and power the inverter will start 3 When the AC voltage and DC voltage are normal the inverter start up is ready to begin The inverter will ﬁrst check the internal parameters and the grid parameters while the liquid crystal will show that the inverter is self c...

Page 21: ...r 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 grid If you purchase the inverter with zero export func on an external zero export device SUN limiter or energy meter will be included in the package which is necessary for the func on The SUN limiter shows as Pic 7 1 You can see corresponding line mark...

Page 22: ...k of electric shock Choose one wire from the bo om of the three phase DC switch any phase of U V W to connect with L1 terminal then ghten the line with a screwdriver 2 Connect SUN limiter to clamp senor Clamp senor can measure the current of the AC side it should be connected to the front side of the load domes c appliance ect to achieve this func on Only when the SUN limiter collects the voltage ...

Page 23: ...ect the control line There are two numbers 1 and 2 on the interface of SUN 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 A er that connect the terminal to the interface of the SUN limiter The other side of the line should be connected to the control terminal Load ...

Page 24: ... 22 Pic7 5 Waterproof terminal Pic7 6 Connect SUN limiter to inverter Pic7 7 Connect terminal to inverter 1 2 limiter 1 2 ...

Page 25: ...verter according to the average of the total power of the three phase load which may cause single backﬂow The controller is produced in the minimum mode to ensure no an backﬂow happens to the customers Pic7 8 Zero export func on via SUN limiter se ng interface 7 3 Debugging SUN Limiter Turn on the an backﬂow func on of the inverter refer to the manual then turn on the SUN limiter s power supply ne...

Page 26: ... according to the requirements of chapter 5 if you have been running your inverter at this me and you want to use the zero export func on please turn oﬀ AC and DC switch of the inverter and wait for 5 minutes un l the inverter completely discharged Please follow below Picture 7 9 to connect the energy meter For system wiring diagram the red line refers to L line L1 L2 L3 the black line refers to t...

Page 27: ...munication 1 2 VCC_5V 485_A 485_B GND 3 4 Family load Three Phase Smart Meter SET ESC L1 L2 L3 N L1 L2 L3 N Pic7 11 Zero export func on via energy meter 7 4 2 Debugging energy meter Turn on the an backﬂow func on of the inverter refer to the manual next close the DC switch and last turn on the inverter MENU Setup Run Param OK Cancel ActiveP 100 ReactiveP 0 0 PF 1 000 Fun_ISO OFF Fun_RCD OFF SelfCh...

Page 28: ...ey to see the current DC voltage DC current AC voltage AC current inverter radiator temperature so ware version number and Wiﬁ connec on state of the inverter 8 General Opera on Pic8 1 LCD opera on ﬂow chart System param Running param Protection param Comm param E Month E Day E Year E History Test Data Start Statistics Fault Record ON OFF Setup PV LCD main menu AC output data Interface DC input da...

Page 29: ...t informa on Press UP or Down you can check inverter DC voltage DC current AC voltage AC current inverter temperature so ware version informa on You can check the PV informa on the number of strings input MPPT voltage and MPPT current PV1 V 649 7V I 16 9A RUN Input Power Day Total State Standby 0 29 86Kw P 45 Kw 295kWh 25 MWh 6 12 18 24 ID 1601012001 0 0Kw SN 01 2019 05 11 08 00 00 ...

Page 30: ...ack spot in the bo om right corner The ﬁrst ﬂash means inverter is communica ng with LCD The second ﬂash means LCD is communica ng with wiﬁ plug Ua 234 5V Ia 0 0A Grid Freq 50 00Hz RUN Grid Pic 8 4 Inverter ﬁrmware version Pic 8 5 Meter power and load power Ver 0166 Ver 1860 RUN Meter Power 0W Load Power 0W Day Total ImpEp 0 00kWh 0 00kWh ExpEp 0 00kWh 0 00kWh LoadEp 0 00kWh 0 00kWh PARAMETR Meter...

Page 31: ...1 1 Main Menu 8 2 Sta s cs informa on Pic 8 5 Main Menu Pic 8 6 Sta s cs There are ﬁve submenu in the sta s cs Into each submenu through cursor E Day E History E Month E Year Test Data MENU Statistics Statistics Fault Record ON OFF Setup PV VA MENU ...

Page 32: ...8 E Month Pic 8 9 E Year 2019 04 1 10 20 31 MENU Statistics E Month 01 10MWh 02 03 04 05 06 07 08 09 10 2019 MENU Statistics E Year 01 200KWh 02 03 04 05 06 07 08 09 10 11 12 2019 05 11 MENU Statistics E Day 0 10MWh 6 12 18 24 ...

Page 33: ...an deal with it depends on the error code Pic 8 10 E History Pic 8 11Test Data PV1 PV2 HV GFD DiL AVL 126 1k2 19186 19198 19152 9119 36 2 287 6 1k3 1k4 1k5 1k6 vHV BSn ofA ofB 11126 11140 16666 2927 ofC 138 139 140 2057 2248 137 2145 1497 0 24362 12218 2065 2653 2015 2024 MENU Statistics E History 15 5KWh 16 17 18 19 20 21 22 23 24 ...

Page 34: ...ult Record MENU Fault Record Fault F352019 05 05 08 38 F352019 05 05 08 37 F352019 04 24 18 47 F352019 04 24 17 54 F352019 04 24 17 53 1 2 3 4 History Pic 8 13 ON OFF se ng MENU ON OFF Turn ON Turn OFF Into each submenu through cursor ...

Page 35: ... Se ng includes system param run param protect param comm param All of these informa on for maintenance reference Pic 8 14 ON set MENU ON OFF Turn ON Turn ON OK Cancel Pic 8 15 OFF set MENU ON OFF Turn OFF Turn OFF OK Cancel ...

Page 36: ...age set display set and factory date reset Pic 8 16 Se ng MENU Setup System Param Run Param Param Protect Param Comm Pic 8 17 System Param MENU Setup System Param Time Set Language Set Display Set Factory data reset Pic8 18 System Param Time Set 2019 05 11 09 36 30 OK Cancel ...

Page 37: ...y Set 8 5 1 5 Factory data reset Pic 8 19 Lauguage set Pic 8 20 Display set Pic 8 21 Factory data reset set Display Set Brightness Delay Delay time 05S OK Cancel Factory data reset Confirm to reset Cancel Lauguage Set 简体中文 English Angielski ...

Page 38: ... don t need to reset it The password is same as 8 4 Running param Note Password required only for access authorized engineer Un authorized access may avoid the warranty The ini al password is 1234 MENU Setup Run Param OK Cancel ActiveP 100 ReactiveP 0 0 PF 1 000 Fun_ISO ON Fun_RCD ON SelfCheck 10S Island ON Meter OFF Limiter OFF E_Coef 0 00 Meter_CT 0 MPPT Num 4 ...

Page 39: ...nica on param MENU Setup Comm Param Address 01 BaudRate 9600 Note Engineer only MENU Setup Protect Param OK Cancel INMETRO EN50949 EN50438 IEC61727 CUSTOM CUSTOM OK Cancel AC OverVoltage 150 0V AC LowVoltage 100 0V AC OverFreq 62 00Hz AC LowFreq 57 50Hz Rated Voltage 127 220V ...

Page 40: ...rmance It is be er to clean it with a so brush If the surface is too dirty and aﬀect the reading of LCD and LED lamp you can use wet cloth to clean it up If there is any failure the LCD screen will display an alarm message In this case the inverter may stop feeding energy into the grid The alarm descrip on and their corresponding alarm messages are listed Table 10 1 Warning When the device is runn...

Page 41: ...ontact your installer F13 Working mode changed Grid mode changed 1 Lost of one phase or AC voltage detec on circuit or relays not closed old inverter not have relays detec on func on 2 Restart the inverter if the error s ll exists please contact your installer F20 DC over current fault of the hardware 1 Check whether solar panel output current is within the allowed range 2 Check DC current sensor ...

Page 42: ...er F30 AC main contactor failure 1 Check relays and AC voltage of relays 2 Check relays driver circuit Check if the so ware is not suitable for this inverter Old inverter not have relays detec on func on 3 Restart the inverter if the fault s ll exists contact your installer F23 AC leakage current is transient over current 1 This fault means the leakage current is above 30mA suddenly Check whether ...

Page 43: ...on se ng And Check if the AC cable is too thin Check the voltage diﬀerence between LCD and meter F42 AC Line W U low voltage Check the AC voltage protec on se ng Check the voltage diﬀerence between LCD and meter Also need to check whether AC cables are all ﬁrmly and correctly connected F44 AC Line V W low voltage Check the AC voltage protec on se ng Check the voltage diﬀerence between LCD and mete...

Page 44: ...k temperature sensor Check if ﬁrmware is suitable for the hardware Check if the inverter is its right model 2 Restart the inverter if the fault s ll exists contact your installer F59 AC grid V over current Hardly appear the code Never ever happened so far F60 AC grid W over current Hardly appear the code Never ever happened so far F61 Reactor A phase over current Hardly appear the code Never ever ...

Page 45: ...AC Grid Output Current A Max AC Output Current A Output Power Factor 0 5 57 62 98 7 98 3 250 800 200 700 40 40 40 40 127 220 176 242 this may vary with grid standards 60 50 Op onal Three phase 0 8 leading to 0 8 lagging 2 Grid Current THD 700 575 297 Transformerless Size mm W H D 60 Weight kg Topology 1W Night Internal consump on 25 65 Opera ng temperature Ingress protec on IP65 55dB Smart cooling...

Page 46: ...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 service deye com cn Web www deyeinverter com 502012054 Ver 2 0 2020 11 ...

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