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7.4 Zero-export func�on (Op�on)

7.4.1 Zero-export func�on via energy meter

When you are reading this, we believe that you have completed the connec�on 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 7.11

to connect the energy meter.

For system wiring diagram, the red line refers to L line (L1, L2, L3), the black line refers to the

neutral line (N). Connec�ng energy meter RS485 cable to inverter's RS485 port. It's recom

-

mended to install an AC switch between the inverter and the u�lity grid, the specs of the AC

switch are determined by the power of load.

If there is no integrated DC switch inside the inverter you purchased, we commend you to

connect the DC switch. The voltage and current of the switch depend on the PV array you

access.

Utility Power:

20W

Pic 7.10 Limiter func�on turn on

ON <<

Limiter

7. [u�lity power] showing posi�ve means grid power is consuming energy, and there is no

backﬂow. If [u�lity power] shows nega�ve, which means there’s excess PV energy ﬂows to

grid or current transformer arrow direc�on is in wrong direc�on. Please read more on

chapter 7.9.

8. A�er properly connec�on is done, wait for inverter star�ng. If the power of the PV array

meets the current power consump�on, the inverter will maintain a certain output to

counteract the power of the grid without backﬂow .

The string inverter supports zero-export func�on via Energy meter / SUN-Limiter. Based on

con�nuously data communica�on, once the Limiter or energy meter detects power export to

the grid, it will send the informa�on to the inverter and then inverter will ramp down its ac�ve

power according to match the load demand and achieve zero export. The Zero-export func�on

is op�onal. If you buy the inverter with zero-export func�on via energy meter, energy meter

will be included in the package which is necessary for zero-export func�on.

*Fun GFDI OFF

* This item is not avaiable for some FW verison

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Содержание SUN-18K-G02

Страница 1: ...R User Manual Grid tied PV String Inverter SUN 20K G02 SUN 18K G02 SUN 25K G02 ...

Страница 2: ... connection 16 5 7 Configuration of Datalogger 6 Startup and Shutdown 6 1 Start up the inverter 6 2 Inverter Shutdown 17 17 17 18 18 5 6 Installation of datalogger 19 19 20 7 Zero export function via SUN limiter 7 1 SUN Limiter function wiring diagram 7 2 Connect the SUN limiter to inverter 22 7 3 Use of zero export function 8 General Operation 8 1 The initial interface 8 2 Submenus in the Main Me...

Страница 3: ...n 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 revised due to product development The informa on ...

Страница 4: ...Inverter x1 DC power connectors including Inserted spring x3 Stainless steel an collision bolt M6 80 x4 AC power connectors x1 User manual User manual x1 Square hole sealing plate For WIFI func on x1 Datalogger op onal x1 Meter op onal x 1 Three Phase Smart Meter SET ESC SUN limiter op onal x 1 When ordering the sun limiter it will includes 3pcs CT Sensor Clamp x 3 19 20 AC DC Alarm Normal ...

Страница 5: ...uc 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 cas...

Страница 6: ... local power supply department the professionals can connect the inverter to the grid 5 Please take appropriate an sta c measure 6 Please install where children can not touch 7 When star ng the inverters ﬁrst close the circuit breaker at the grid side then close the DC side when closing the inverters ﬁrst disconnect the circuit breaker at the AC side then disconnect the DC side 8 Don t insert or r...

Страница 7: ...lights in the front panel of the inverter Please see table 3 1 for details 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 Table 3 1 Status indicator lights ...

Страница 8: ...lling through the displayed op ons the Up and Down keys Access to modify the adjustable se ngs the Esc and Enter keys The two line Liquid Crystal Display LCD is located on the front panel of the Inverter which shows the following informa on Inverter opera on status and data Service messages for operator Alarm messages and fault indica ons Esc Up Down Enter ...

Страница 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...

Страница 10: ...ne 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 in the air gh...

Страница 11: ...la on The inverter is designed according to the wall mounted type installa on please use the wall mounted the brick wall of the expansion bolt when installing Pic 4 3 Installa on Gap Anchoring Moun ng bracket Stainless steel screws Inverter 500mm 500mm ...

Страница 12: ...n use the M4 screw in the accessory to lock inverter heat sink to the hanging plate to ensure that the inverter will not move Procedure shows below 1 Locate on the appropriate wall according to the bolt posi on on the moun ng bracket then mark the hole On the brick wall the installa on must be suitable for the expansion bolt installa on Pic 4 5 Inverter hanging plate installa on Pic 4 6 Inverter i...

Страница 13: ...se serious damages to the inverter Safety Hint Before connec ng inverter please make sure the PV array open circuit voltage is within the 1000V 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 Pic 5 1 DC connector MC4 Pic 5 2 DC connector MC4 Cable type R...

Страница 14: ... 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 Pic 5 3 Disassemble the connector cap nut 7mm 7mm Pic 5 4 Crimp the contact pin to the wire Pic 5 5 connector with cap nut screwed on ...

Страница 15: ...2 Pic 5 6 DC input connec on Warning Sunlight shines on the panel will generate voltage high voltage in series may cause danger to life Therefore before connec ng the DC 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 Table 5 2 Cable informa on Warning Prohibit us...

Страница 16: ...right length as shown in Picture 5 8 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 connec on hole of AC connec on terminal labeling is shown in Picture 5 9 Warning Be careful to dis nguish the L1 L2 L3 N and PE of the AC cables 1 Ma...

Страница 17: ... 15 Step 5 Set the sleeve and sealing ring in place Step 6 Connect the terminals to the inverter as shown in picture 5 10 Pic 5 10 AC input connec on Pic 5 9 AC Connector Hole Pa ern ...

Страница 18: ...machine systems all PE cables of the inverter need to be connected to the same grounding copper platoon to ensure the equipoten al connec on The installa on of the shell ground wire is shown as picture 5 11 Warning Inverter has built in leakage current detec on circuit If an external leakage current protec on device is connected its opera ng current must be greater than 300 mA or higher otherwise ...

Страница 19: ... func on of wireless remote monitoring The inverter with Wi Fi func on is equipped with Wi Fi Plug to connect the inverter and network Wi Fi Plug s opera on installa on Internet access APP downloading and other processes are detailed in the instruc ons PC Router WIFI GPRS Web Server Phone Pic 5 12 Internet monitoring solu on Rated output voltage V Inverter Rated output current A Current for protec...

Страница 20: ... is on the DC power it is determined whether the datalogger is normally electriﬁed The LED light shines out of the shell 5 6 Installa on of datalogger 6 Startup and Shutdown Before star ng the inverter make sure that the inverter can meet the following condi ons otherwise it may result in ﬁre or damage to the inverter In this case we do not undertake any responsibility At the same me to op mize th...

Страница 21: ...mal the inverter start up is readyto begin The inverter will ﬁrst check the internal parameters and the grid parameters while the liquid crystal will show that the inverter is self checking 4 If the parameter is within acceptable range the inverter will generate energy NORMAL indicator light is on Must follow below steps while shu ng down the inverter 1 Switch oﬀ the AC breaker 2 Wait for 30 secon...

Страница 22: ...en three sets of current sensor and one set of control terminals SUN limiter will collect voltage and current from these interfaces and send control signals to the inverter L1 L1 L L1 K L2 L L2 K L3 L L3 K L2 L3 N 20 7 Zero export func on via SUN limiter 7 1 SUN Limiter func on wiring diagram Pic 7 1 SUN Limiter view When you are reading this we believe that you have completed the connec on accord...

Страница 23: ... 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 and current of the ...

Страница 24: ...e 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 Pic 7 3 Clamp Senor Pic 7 4...

Страница 25: ...ity power the limiter func on se ngs will be completed Shown as picture 7 10 Pic7 8 Parameter se ng When the connec on is completed the following steps should be referenced to use this func on 1 Turn on the AC switch 2 Turn on the DC switch Wai ng inverter LCD ligh ng up 3 Press Enter bu on on the LCD panel in the main interface into the menu op ons select parameter se ng to Enter setup submenu an...

Страница 26: ...rray you access Utility Power 20W Pic 7 10 Limiter func on turn on ON Limiter 7 u lity power showing posi ve means grid power is consuming energy and there is no backﬂow If u lity power shows nega ve which means there s excess PV energy ﬂows to grid or current transformer arrow direc on is in wrong direc on Please read more on chapter 7 9 8 A er properly connec on is done wait for inverter star ng...

Страница 27: ...2 Connec on diagram of Eastron meter Solar Panel array Inverter meter AC Breaker Grid RS485 Communication Family load L1 L2 L3 N L1 L2 L3 N L1 L2 L3 N L1 L2 L3 N N L3 L2 L1 VCC_5V 485_B 485_B 485_A 485_A GND GND RS 485 Male connector RS 485 Female connector 1 2 3 4 1 2 3 4 5 6 7 8 GND Eastron 5 6 7 8 5 6 7 8 ...

Страница 28: ...Eastron Pic 7 13 Connec on diagram of Eastron meter Solar Panel array Inverter meter AC Breaker Grid RS485 Communication Family load N L3 L2 L1 LA NA S2 S1 S2 S1 S2 S1 GND B A CT2 CT1 CT3 White line black line White line black line White line black line L1 L2 L3 N N L3 L2 L1 VCC_5V 485_B 485_A 485_A 485_B GND GND RS 485 Male connector RS 485 Female connector 1 2 3 4 1 2 3 4 5 6 7 8 9 1 0 11 1 2 1 ...

Страница 29: ... 1 4 7 10 Pic 7 14 Connec on diagram of CHINT meter Solar Panel array Inverter meter AC Breaker Grid RS485 Communication Family load 1 7 4 10 25 24 3 9 6 10 Three Phase Smart Meter SET ESC L1 L2 L3 N L1 L2 L3 N N L3 L2 L1 VCC_5V 485_B 485_B 485_A 485_A GND RS 485 Male connector RS 485 Female connector 1 2 3 4 ...

Страница 30: ...ve se ng cursor to energy meter and press the bu on enter At this me you can turn on or turn oﬀ the energy meter by choosing up down bu on please press enter bu on to conﬁrm when se ng done 5 Move the cursor to OK press enter to save the se ngs and exit the running parameters page otherwise the se ngs are invalid 6 If set up successfully you can return to the menu interface and display the LCD to ...

Страница 31: ...wo PV arrays are formed by the same number of PV panels of the same size which will make the inverter more responsive to limit the power 7 6 How to browse the load power of your PV grid e plant on monitoring pla orm If you want to browse load power of the system and how much energy KWH does it export to grid inverter output power is used to power the load ﬁrstly and then the surplus energy will fe...

Страница 32: ... 29 And then choose your system type as Self consump on Secondly go to plant page if it shows the PV power load power and grid power which means the conﬁgura on is correct ...

Страница 33: ...nnec on state of the inverter From the ini al interface you can check PV power PV voltage grid voltage inverter ID model and other infoma on 8 1 The ini al interface Start ON OFF Setup PV VA System param Running param Protec onparam Comm param Pic 8 1 LCD opera on ﬂow chart Device informa on Fault record LCD Main menu Total DC Power PV1 and Power UA and UB UC and Freq Meter Time E Day and E Total ...

Страница 34: ... voltage and current informa on UA 234V 0 0A UB 0V 0 0A Pic 8 6 Grid voltage and frequency UC 0V 0 0A Freq 0 00Hz Pic 8 7 Time 21 05 2020 15 57 08 Pic 8 8 Meter power Meter Power 0W ImpEp Daily energy purchased from grid Total Total energy purchased from grid Pic 8 9 Electrical energy ImpEp 0 00KWh Total 0 00KWh ExpEp Daily energy sold to grid Total Total energy sold to grid Pic 8 10 Electrical en...

Страница 35: ...sump on Pic 8 12 PV genera on E Day Daily genera on E Total Total genera on LoadEp 0 00KWh Total 0 00KWh E Day 0Wh E Total 134KWh You can see the LCD so ware Ver0201 and control board so ware Ver1970 In this interface there are parameters such as rated power communica on addresses Pic 8 13 Device informa on 8 2 1 Device informa on Device Info Fault Record GL1030 SN 01 ID 0000000012 ID 0000000012 V...

Страница 36: ...rn OFF Turn ON OK Cancel Turn OFF OK Cancel Each PV string current and this func on is op onal Pic 8 16 PV String current 8 2 4 PV VA se ng Setup PV VA Branch 1 0 0A Branch 2 0 0A There are ﬁve submenus in the setup Se ng includes system param run param protect param comm param All of these informa on for maintenance reference Pic 8 17 Submenus of the parameter setup 8 2 5 Parameter se ng Setup PV...

Страница 37: ... Language Set Display Set Factory Reset Pic 8 20 Language Bright Keep Delay time 055 Delay time 055 OK Cancel Confirm Reset Cancel Pic 8 21 LCD Screen se ngs Pic 8 22 Delay me set Pic 8 23 Reset to factory se ng Pic 8 24 Password 8 4 Running param set PassWord Note Password required only for access authorized engineer Un authorized access may avoid the warranty The ini al password is 1234 ...

Страница 38: ...sland An islanding protec on Meter Energy meter If inverter will connect meter then set here to ON Pic 8 25 8 4 1 Ac veP set ActiveP 0 ReactiveP 0 Island OFF Meter OFF PF 1 000 Fun ISO OFF Pic 8 26 Fun RCD OFF SelfCheck 0s Pic 8 27 Pic 8 28 Limiter If inverter will connect SUN limiter then set here to ON P Factor Reac ve power genera on correc on factor Limiter ON P Factor 0 00 Pic 8 29 Pic 8 30 M...

Страница 39: ... password is same as 8 4 Running param 8 5 Protect Param Pic 8 31 Password 00 INMETRO 00 EN50549 00 EN50438 00 IEC61727 00 CUSTOM 00 VDE_4105 00 UTE_C15 00 RD_1699 00 CEI_0_21 00 G98_G99 00 AS4777 OK Cancel Note Engineer only AC OverVoltage U1 260 0V AC LowVoltage U1 195 5V Tripping Time1 Time1 2000ms Tripping Time1 Time1 2000ms ...

Страница 40: ...Tripping Time2 Time2 500ms AC OverVoltage U3 270 0V AC LowVoltage U3 160 0V Tripping Time3 Time3 200ms Tripping Time3 Time3 200ms Tripping Time1 Time1 2000ms Tripping Time1 Time1 2000ms AC OverFreq 2 53 00Hz AC LowFreq 2 47 00Hz Tripping Time2 Time2 500ms Tripping Time2 Time2 500ms AC OverFreq 3 54 00Hz AC LowFreq 3 46 00Hz ...

Страница 41: ...rty and aﬀect the reading of LCD and LED lamp you can use wet cloth to clean it up Warning When the device is running the local temperature is too high and the touch can cause burns Turn oﬀ the inverter and wait for it cooling then you can clean and maintain Warning No solvent abrasive materials or corrosive materials can be used for cleaning any parts of the inverter Please set the proper grid pa...

Страница 42: ...ye service F06 Write the memory error Failure in wri ng memory EEPROM Restart the inverter if the fault s ll exists contact your installer or Deye service 1 It tells the DC 12V is not existed 2 Restart the inverter if the fault s ll exists please contact 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 no...

Страница 43: ...ve relays detec on func on 2 Restart the inverter if the fault s ll exists contact your installer or Deye service F35 No AC grid 1 Check AC grid voltage Check AC voltage detec on circuit Check if the AC connector in good condi on Check whether the AC grid is normal in voltage 2 Restart the inverter if the fault s ll exists contact your installer or Deye service F30 AC main contactor failure 1 Chec...

Страница 44: ...V over voltage Check the AC voltage protec 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...

Страница 45: ... exists contact your installer or Deye service F56 DC busbar voltage is too low 1 It tells the PV input voltage is low and it always happens in the early morning 2 Check PV voltage and Ubus voltage When inverter is running then showing F56 maybe Loss of driver or need update ﬁrmware 3 Restart the inverter if the fault s ll exists contact your installer or Deye service F57 AC reverse irriga on AC r...

Страница 46: ...utput Current A Output Power Factor 0 5 47 52 or 57 62 op onal 98 6 97 8 250 1000 200 850 SUN 20K G02 26 20 22 29 31 9 32 32 2 2 SUN 18K G02 21 6 18 19 8 26 1 28 7 32 32 48 48 48 48 48 48 2 2 220 380 230 400 277 460 this may vary with grid standards 50 60 Op onal Three phase 0 8 leading 0 8 lagging 3 SUN 25K G02 32 32 2 3 32 5 25 27 5 36 2 39 9 Grid Current THD 330 508 206 Transformerless Size mm ...

Страница 47: ...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 30240301000449 Ver 2 1 2021 7 26 ...

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