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Deye SUN-3K-G03 User Manual
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Deye SUN-3K-G03 User Manual

Grid-connected pv inverter
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Grid-connected PV Inverter
SUN-3K-G03
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SUN-10K-G03
User Manual
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SUN-4K-G03
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Summary of Contents for Deye SUN-3K-G03

  • Page 1 Grid-connected PV Inverter SUN-3K-G03 SUN-4K-G03 SUN-5K-G03 SUN-6K-G03 SUN-7K-G03 SUN-8K-G03 SUN-10K-G03 SUN-12K-G03 User Manual...
  • Page 2 1. Introduction - 02 - ………………………………………………………… 1.1 Appearance Introduction - 02 - ………………………………………… 1.2 Parts list - 03 - ………………………………………………………… 2. Safety warnings and instructions - 04 - ……………………………………… 2.1 Safety signs - 04 - ………………………………………………………… 2.2 Safety instructions - 04 - …………………………………………………...

  • Page 3: About This Manual

    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 in this manual is subject to change without no�ce.The latest manual can be acquired via service@deye.com.cn. Photovoltaic Grid-connected System...

  • Page 4: Introduc�On

    1.1 Appearance Introduc�on On-grid Inverter can convert solar panel DC power into AC power which can directly input to the grid. Its appearance is shown below.These models contain SUN-3K-G03, SUN-4K-G03, SUN-5K-G03, SUN-6K-G03, SUN-7K-G03, SUN-8K-G03,SUN-10K-G03, SUN-12K-G03. The following is collec�vely referred to as “inverter”.
  • Page 5 1.2 Parts list Please check the following table, to see whether all the parts are included in the package： Moun�ng stainless steel Grid-�ed PV String Inverter Wall moun�ng bracket x1 screws M4×12 DC power connectors Stainless steel an�-collision AC power connectors x1 (including Inserted spring) bolt M6×80 User...
  • Page 6 2. Safety warnings and instruc�ons Improper use may result in poten�al electric shock hazards or burns. This manual contains important instruc�ons that should be followed during installa�on and maintenance. Please read these instruc�ons carefully before use and keep them for future reference. 2.1 Safety signs Safety symbols used in this manual, which highlight poten�al safety risks and important safety informa�on, are listed as follows:...
  • Page 7 Shock Hazard: When PV module is exposed to sunlight, the output will generate DC voltage. Prohibit touching to avoid shock hazard. Shock Hazard: While disconnect the input and output of the inverter for maintenance, please waits for at least 5 mins un�l the inverter discharge the remnant electricity. High Temperature Hazard: Local temperature of inverter may exceed 80℃...
  • Page 8 3. Opera�on Interface 3.1 Interface View Normal Alarm Pic 3.1 Front panel display 3.2 Status Indicator There are four LED status indicator lights in the front panel of the inverter. Please see table 3.1 for details. Indicator status Explanation Inverter detects DC input ●DC off...
  • Page 9 3.3 Bu�ons There are four keys in the front panel of the Inverter(from le� to right): Esc, Up, Down and Enter keys. The keypad is used for: ● Scrolling through the displayed op�ons (the Up and Down keys); ● Access to modify the adjustable se�ngs (the Esc and Enter keys). Down Enter 3.4 LCD Display...
  • Page 10 4. Product installa�on 4.1 Select installa�on loca�on To select a loca�on for the inverter, the following criteria should be considered: WARNING: Risk of fire ● Do not install the inverter in areas containing highly flammable materials or gases. ● Do not install the inverter in poten�ally explosive atmospheres. ●...
  • Page 11 ● Install on a wall or strong structure capable of bearing the weight. ● Install ver�cally with a maximum incline of +/-15°. If the mounted inverter is �lted to an angle greater than the maximum noted, heat dissipa�on can be inhibited, and may result in less than expected output power.
  • Page 12 ≥500mm ≥500m Pic 4.3 Installa�on Gap 4.2 Inverter Installa�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. Anchoring Moun�ng bracket Stainless steel screws Inverter Pic 4.4 Inverter Installa�on - 10 -...
  • Page 13 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 2.
  • Page 14 5 Electrical Connec�on 5.1 DC input terminal connec�on 1. Switch the Grid Supply Main Switch(AC)OFF. 2. Switch the DC lsolator OFF. 3. Assemble PV input connector to the inverter. Safety Hint: Please don’t connect PV array posi�ve or nega�ve pole to the ground, it could cause serious damages to the inverter.
  • Page 15 The steps to assemble the DC connectors are listed as follows: a)Strip off the DC wire about 7mm, disassemble the connector cap nut (see picture 5.3). Pic 5.3 Disassemble the connector cap nut b) Crimping metal terminals with crimping pliers as shown in picture 5.4. Pic 5.4 Crimp the contact pin to the wire 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.
  • Page 16 d) Finally insert the DC connector into the posi�ve and nega�ve input of the inverter,shown as picture 5.6 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.
  • Page 17 The AC output connector is divided into three parts: matching socket, sleeve and sealing- sleeve, as shown in picture 5.7, the steps are as follows: Step 1: Remove the cable sealing ring and sleeve in sequence from the AC connector. Step 2: Use strippers to strip the protec�ve sheath and insula�on layer of the AC cable to the right length, as shown in Picture 5.8.
  • Page 18 Pic 5.9 AC Connector Hole Pa�ern 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 - 16 -...
  • Page 19 5.3 The connec�on of the ground line Good grounding is good for resis�ng surge voltage shock and improving EMI perfor- mance.Therefore, before connec�ng AC, DC and communica�on cables, you need to ground the cable firstly. For a single system, just ground the PE cable. For mul�ple 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.
  • Page 20 In order to protect the inverter AC connec�on, it is recommended to install a circuit breaker to prevent overcurrent. See table 5.3 below. Rated output Rated output Current for protection Inverter voltage(V) current(A) device(A) SUN-3K-G03 220/230 4.5/4.3A SUN-4K-G03 220/230 6.1/5.8A SUN-5K-G03 220/230 7.6/7.2A...

  • Page 21: Startup And Shutdown

    5.6 Installa�on of datalogger When the inverter is out of the factory, the installa�on loca�on of datalogger is sealed by a sealed plate as shown in Picture 5.13. When installing the datalogger, remove the sealing plate, replace it with the sealing plate with square hole in the accessories, and �ghten the screws. Insert the datalogger into the interface and fix it with a screw.
  • Page 22 6.1 Start up the inverter When start up the three phase string inverter, should fellow below steps： 1. First switch on the AC breaker. 2. Turn on the DC switch of the photovoltaic module, and if the panel provides sufficient star�ng voltage and power, the inverter will start.
  • Page 23 7. Zero-export func�on via energy meter There're two kinds of energy meters for this series inverter. First type is Eastron SDM630-Modbus V2 which is able to measure the Max. 100A current directly. More details please refer to Pic 7.1 & 7.2. For the Eastron SDM630 MCT 40mA, it needs external CT to measure the current.
  • Page 24 1 2 3 4 5 6 7 8 Eastron (1,2,3,4) (5,6,7,8) B A G RS 485 RS 485 B RS 485 A Pic 7.1 Eastron meter Eastron SDM630-Modbus V2 Inverter Solar Panel array SUN-12K-G03 SUN-(3-10)K-G03 AC Breaker RS 485 Male connector Family load VCC_5V...
  • Page 25 9 1 0 11 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 Eastron 15 16 17 18 19 20 1 2 3 4 Grid voltage Auxiliary Current inputs sampling power supply 1 4 1 3 1 2 RS 485 RS 485 A RS 485 B...
  • Page 26 Three-Phase Smart Meter (1,4,7,10) (3,6,9,10) RS 485 Pic 7.14 CHINT meter CHINT DTSU666 Inverter Solar Panel array SUN-12K-G03 SUN-(3-10)K-G03 AC Breaker RS 485 Male connector Family load L1 L2 L3 N VCC_5V 485_B RS 485 Female connector Three-Phase Smart Meter meter 485_A L1 L2 L3 N...

  • Page 27: Meter Power

    7.1 Use of zero-export func�on When the connec�on is completed, the following steps should be refered to use this func�on: 1. Turn on the AC switch. 2. Turn on the DC switch, wai�ng for the inverter's LCD is turned on. 3.
  • Page 28 7.2 Notes while using zero export func�on For your safety and the opera�on of limiter func�on of the inverter, we put forward the following sugges�ons and precau�ons: Warning: Under zero export mode we strongly recommend that the two 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.
  • Page 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. - 27 -...

  • Page 30: General Opera�On

    8. General Opera�on During normal opera�on, the LCD shows the current status of the inverter, including the current power, total genera�on, a bar chart of power opera�on and inverter ID,etc. Press the Up key and the Down key to see the current DC voltage, DC current, AC voltage, AC current,in- verter radiator temperature,so�ware version number and Wifi...
  • Page 31 Power: Power: State: Standby State: Com.Error Pic 8.2 The ini�al interface Press UP or Down, you can check inverter DC voltage, DC current, AC voltage, AC current and inverter temperature. Total DC POWER: PV1: 0.0V 0.0A Power: Pic 8.3 PV input voltage and current Pic 8.4 Load power informa�on UA: 234V 0.0A...
  • Page 32 LoadEp: Daily consump�on; LoadEp: 0.00KWh Total: Total energy consump�on. Total : 0.00KWh Pic 8.11 Load consump�on E-Day: Daily genera�on; E-Day : E-Total: Total genera�on. E-Total : 134KWh Pic 8.12 PV genera�on 8.2 Submenus in the Main Menu There are five submenus in the Main Menu. 8.2.1 Device informa�on You can see the LCD so�ware Ver0201 and control board so�ware Ver1970.
  • Page 33 8.2.3 ON/OFF se�ng ON / OFF << Turn ON << Setup Turn OFF Turn ON Turn OFF << Cancel << Cancel Pic 8.15 ON/OFF se�ng When the inverter is turned off, it stops working immediately, and go to standby mode and then will go to self-test program again.
  • Page 34 8.3 System param se�ng System Param includes �me set, language set, display set and factory reset. Time Set << Display Set Language Set Factory Reset << Factory Reset Set Restore << Pic 8.18 System Param 20200522 OK English << Polski 08:11:21 Cancel Pic 8.19 Time Pic 8.20 Language...
  • Page 35 PassWord Pic 8.25 Password Vref 0.0V ActiveP ReactP 0.0% << Q-Mode OFF << Fun RCD OFF << -1.000 Fun ISO OFF << SelfCheck Island OFF << Limiter Feed-in 0% << Meter MPPT Num Pic 8.26 - 33 -...
  • Page 36 NAME DESCRIPTION RANGE Adjust the output ac�ve power in % 0-110% Ac�veP OFF/Q(P)/PF(P) Q-Mode Mul�ple reac�ve power control modes /Q(U)/PF/Q(%) Grid reference voltage for func�ons including 80-260V Vref Q(U),PF(P),P(U)etc. Adjust reac�ve power output in % 0-100% ReactP Power Fator -0.8~+0.8 Insula�on resistance detec�on ON/OFF Fun_ISO...
  • Page 37 OF-Derate OFF <- OF-Derate HYS <- OF-Derate ON <- UF-Uprate OFF <- UF-Uprate HYS <- WGra 0.000% WGRa 0.000% UF-Uprate ON <- WGra 0.000% WGra 0.0% << WGraStr 0.0% PowerLim << LVRT HVRT OFF << Sunspec OFF << Sunspec OFF << Cancel <<...
  • Page 38 NAME DESCRIPTION RANGE Arc-fault detec�on func�on ON/OFF/CLR Ac�ve power response to over- ON/OFF/HYS OF-Derate frequency Ac�ve power response to under- ON/OFF UF-Uprate frequency power response to grid voltage ON/OFF devia�on ON/OFF voltage ride through func�on LVRT ON/OFF voltage ride through func�on HVRT Hard/so�...
  • Page 39 Over-frequency Response This series inverter provides “over-frequency response” func�on. Long pressing the “OFD Mode” to enter the “over-frequency response” se�ng menu. OFDMode HYS <- OF-Derate ON <- OF-Derate OFF <- Tab. 11-4 Definition of Over- frequency Response Parameters Range Parameter Description 45HZ-65HZ Fstr...
  • Page 40 When the frequency exceeds StopPT: 51.5Hz, the inverter output should stop (ie 0 W). When the frequency is lower than StopPT: 51.5 Hz, the inverter will linearly increase the power output with a gradient of 100% Pmax/Hz un�l it reaches StrtPT: 50.5 Hz. In the hysteresis mode, when the frequency is lower than StopPT: 51.5 Hz, the inverter will not increase the power output un�l it is lower than RecPT: 50.1 Hz.
  • Page 41 "Q(U)" Mode The reac�ve power output of the inverter varies in response to the grid voltage. "Q(P)" Mode The reactive power output by the inverter is controlled by the active power of the inverter. "PF(P)" Mode The PF is controlled by the active power of the inverter. “Q(U)”...
  • Page 42 (U1,Q1) Upper Q/Pn lnd (U2,Q2) (U4,Q4) Grid Voltage (U3,Q3) (U5,Q5) Lower Q/Pn Cap (U6,Q6) Pic 8.38 Reac�ve Power Regula�on Curve in Q(U) Curve - 40 -...
  • Page 43 parameter Range descrption The QU mode starts when the active power Pstart 0%-130% Rate out power is greater than this value The QU mode stops when the active power Pstop 0%-130% Rate out power is less than this value Value of Q/Pn at point (U1,Q1) on the Q(U) -60% -60% Q/Pn mode curve Grid voltage limit at point (U1,Q1) on the...
  • Page 44 “Q(P)” Mode Upper Q/Pn lnd (P1,Q1) The reactive power output by the inverter is controlled by the active power of the inverter. P2(P2,Q2) P/Pn P4(P4,Q4) P3(P3,Q3) P5(P5,Q5) Lower P6(P6,Q6) Q/Pn Cap Pic 8.31 Reac�ve Power Regula�on Curve in Q(P) Mode ActiveP 20.0% 0.0% <<...
  • Page 45 parameter Range descrption Value of Q/Pn at point (P1,Q1) on the Q(P) mode 0%-100% Pn curve Grid voltage limit at point (P1,Q1) on the Q(P) mode -60% -60% Q/Pn curve Value of Q/Pn at point (P2,Q2) on the Q(P) mode 0%-100% Pn curve Grid voltage limit at point (P2,Q2) on the Q(P) mode...
  • Page 46 8.5 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 8.4 Running param PassWord GridStanderd << Advanced Pic 8.32 Password INMETRO EN50438 EN50549 <<...
  • Page 47 OverVolt OverVolt Point 240.0V << Delay 1000ms << UnderVolt UnderVolt Point 235.0V << Delay 1000ms << UnderVolt UnderVolt Point 235.0V << Delay 1000ms << UnderVolt UnderVolt Point 235.0V << Delay 1000ms << OverFreq OverFreq Point 52.00Hz << Delay 1000ms << OverFreq OverFreq Point...
  • Page 48 UnderFreq Lv2 UnderFreq Lv2 Point 48.00Hz << Delay 1000ms << UnderFreq Lv3 UnderFreq Lv3 Point 48.00Hz << Delay 1000ms << Reconnection Reconnection 0.0V << Udown 0.0V << Reconnection Reconnection 0.00Hz << Fdown 0.00Hz << OV 10 Minutes OV 10 Minutes Enable OFF <<...

  • Page 49: Repair And Maintenance

    9. Repair and Maintenance String type inverter doesn’t need regular maintenance. However,debris or dust will affect heat sink’s thermal performance. 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. Warning: When the device is running, the local temperature is too high and the touch can cause burns.
  • Page 50 Check the solar panel output connec�on. Failure in reading memory (EEPROM). Restart the inverter if the Read the memory error fault s�ll exists, contact your installer or Deye service. Failure in wri�ng memory (EEPROM). Restart the inverter if the Write the memory error fault s�ll exists, contact your installer or Deye service.
  • Page 51 3. Check if the inverter FW version is suitable for the hardware. 4. Restart the inverter, if the error s�ll exists, please contact your installer or Deye service. DC leakage flow fault Hardly appear the code. Never ever happened so far.
  • Page 52 1. Check AC current sensor and its circuit. AC over current(one cycle) 2. Restart the inverter, if the fault s�ll exists, contact your installer or Deye service. DC over current Hardly appear the code. Never ever happened so far. Check the AC voltage protec�on se�ng. And Check if the AC AC Line W,U over voltage cable is too thin.Check the voltage difference between LCD and...
  • Page 53 DC busbar voltage is too low 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. AC reverse irriga�on AC reverse irriga�on. AC grid U over current Hardly appear the code.
  • Page 54 11.Specifica�on SUN-3K- SUN-4K- SUN-5K- SUN-6K- Model Input Side Max.DC Power(kW) Max.DC Input Voltage(V) 1000 Start-up DC Input Voltage(V) MPPT Opera�ng Range(V) 120~850 Max.DC Input Current(A) 13+13 Max. Short Circuit Current (A) 19.5+19.5 Number of MPPT/Strings per MPPT MAX inverter backfeed current (A) Output Side Rated Output Power(kW) Max.Ac�ve Power(kW)
  • Page 55 General Data DC Connec�on MC-4 mateable AC Connec�on IP65 rated plug Display LCD1602 Interface RS485/RS232/Wifi/LAN - 53 -...
  • Page 56 Model SUN-7K-G03 SUN-8K-G03 SUN-10K-G03 SUN-12K-G03 Input Side Max.DC Power(kW) 10.4 15.6 Max.DC Input Voltage(V) 1000 Start-up DC Input Voltage(V) 250V MPPT Opera�ng Range(V) 120~850 200~850 Max.DC Input Current(A) 13+13 Max. Short Circuit Current (A) 19.5+19.5 Number of MPPT/Strings per MPPT MAX inverter backfeed current (A) Output Side Rated Output Power(kW)
  • Page 57 General Data DC Connec�on MC-4 mateable AC Connec�on IP65 rated plug Display LCD1602 Interface RS485/RS232/Wifi/LAN 2022-04-20 Ver: 2.2 - 55 -...
  • Page 58 Add: No.26-30, South Yongjiang Road, Beilun, 315806, Ningbo, China Tel: +86 (0) 574 8622 8957 Fax: +86 (0) 574 8622 8852 E-mail: service@deye.com.cn Web: www.deyeinverter.com...

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