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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 SUN18K-G05-AU,

SUN-20K-G05-AU, SUN-25K-G05-AU.

The following is collec�vely referred to as “inverter”.

Pic 1.1 Front view

Pic 1.2 Bo�om view

1.1 Appearance Introduc�on

Photovoltaic Grid-connected System

1. Introduc�on

About This Manual

The manual 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 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 [email protected]

Applica�on of inverter in photovoltaic power system

Inverter

Metering

PV array

Power grid

Family load

RS232

485

DRM

RS485

Содержание SUN-18K-G05-AU

Страница 1: ...R User Manual SUN 18K G05 AU SUN 25K G05 AU SUN 20K G05 AU Grid connected PV Inverter ...

Страница 2: ... 12 14 16 17 5 4 Max over current protection device 5 5 Inverter monitoring connection 17 5 7 Configuration of Datalogger 6 Startup and Shutdown 6 1 Start up the inverter 6 2 Inverter Shutdown 18 18 18 19 19 5 6 Installation of datalogger 6 3 DRM wiring diagram 20 21 7 Zero export function via energy meter 8 General Operation 8 1 The initial interface 8 2 Submenus in the Main Menu 8 3 System param...

Страница 3: ...a 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 revised due to product development The informa ...

Страница 4: ... Product Overview RS232 485 DRM RS485 1 2 3 4 5 7 6 8 9 10 9 1 Inverter Indicators 2 LCD display 3 Func on Bu ons 4 DC switch 5 Grid 6 PV input with two MPPT 7 WiFi Interface 8 RS485 Port 9 Ground 10 DRM Port ...

Страница 5: ...age Wall moun ng bracket x1 Moun ng stainless steel screws M4 12 x4 Grid ed PV String Inverter x1 User manual User manual x1 Datalogger op onal x1 Meter op onal x 1 Three Phase Smart Meter SET ESC DC power connectors including Inserted spring x2 Stainless steel an collision bolt M6 80 x4 DRM connector x 1 ...

Страница 6: ...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 7: ... installa on must be in accord with local electrical standards and a er obtaining the permission of the 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 inver...

Страница 8: ...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 9: ...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 10: ...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 11: ...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 12: ...verter 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 Pic 4 3 Installa on Gap Anchoring Moun ng bracket Stainless steel screws Inverter ...

Страница 13: ...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 14: ...PV array matches the DC and DC symbols Safety Hint Please use approved DC cable for PV system Cable type Range Recommended value Cross section mm Industry generic PV cable model PV1 F 4 0 6 0 12 10AWG 4 0 12AWG Pic 5 1 DC male connector MC4 Pic 5 2 DC female connector MC4 Before the inverter starts to connect to the grid the inverter will ﬁrst detect the impedance of PV to ground and the impedance...

Страница 15: ... 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 5 connector with cap nut screwed on Pic 5 4 Crimp the contact pin to the wire ...

Страница 16: ...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 Outside cable 3 N PE 20m Cable CSA Model Cable outer dia AWG Breaker Max cable ...

Страница 17: ...la on sleeve 10mm length unscrew the bolts insert the wires according to polari es indicated on the terminal block and ghten the terminal screws Make sure the connec on is complete 3 Then insert AC output wires according to polari es indicated on the terminal block and ghten terminal Be sure to connect corresponding N L1 L2 L3 and PE wires to related terminals as well as shown in picture 5 7 4 Mak...

Страница 18: ...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 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 RCD is required a type A RCD with rated residual current of 300mA or higher is suggested otherwise inverter...

Страница 19: ... 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 protection ...

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: ...he AC breaker 2 Wait for 30 seconds turn oﬀ the DC switch if any or simply disconnect the DC input connector The inverter will close the LCD and all LED within two minutes 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 3 NOTE Choose the correct country code refer to sec on 8 5 of this manual No ce Diﬀerent dis...

Страница 22: ...6 3 DRM wiring diagram 1 No DRM1 5 DRM2 6 DRM3 7 DRM4 8 REF GEN 0 COM LOAD 0 2 3 4 5 6 7 8 1 2 3 4 5 6 1 2 3 4 5 6 20 RS232 485 DRM RS485 ...

Страница 23: ...rged 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 inte...

Страница 24: ...n 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 RS232 485 DRM RS485 ...

Страница 25: ...c 7 14 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 3 1 4 1 5 ...

Страница 26: ... Pic 7 16 Connec on diagram of CHINT meter Solar Panel array 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 Inverter RS232 485 DRM RS485 ...

Страница 27: ...e 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 h...

Страница 28: ...3 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 feed into grid You also need to connect the meter according to above diagram A er the connec on completed successfully the inverter will show...

Страница 29: ... 27 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 30: ...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 31: ... 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 32: ...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 33: ...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 34: ... 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 35: ...8 Pic 8 27 Pic 8 30 Feed in 50 MPPT Num 0 Feed_In it is used to deploy how much power can be feed into grid For example Feed_in 50 of the 25KW model which means Max 12 5KW power can be feed into grid And this parameter is valid only a er connec ng a meter and the meter func on is ON Fun ISO OFF Fun RCD OFF SelfCheck 0S Island OFF Meter Limiter OFF Pic 8 29 OFF Adjust the output ac ve power in Reac...

Страница 36: ...rate OFF ARC OFF OFDerate HYS ARC OFF OFDerate ON ARC ON ARC OFF WindTurbine Pic 8 31 WGra 0 000 OFDerate OFF Pic 8 32 OK Cancel Sunspec OFF Pic 8 33 Pic 8 34 Arc Fault Detec on ARC CLR WindTurbine ARC ON WindTurbine ARC OFF WindTurbine ...

Страница 37: ... HYS The slope of the ac ve power reduc on WGRa 0 000 OFDerate ON Hysteresis mode for ac ve power droop OFDMode HYS ARC ON Ac ve power droop func on enable disable OFDMode OFF ARC ON Clear arc fault manually ARC CLR WindTurbine Arc fault detec on func on enable disable ARC ON WindTurbine ...

Страница 38: ...StrtPT 50 5Hz StopPT 51 5Hz RecPT 50 1Hz when the grid frequency increases beyond Start 50 5Hz the inverter will linearly reduce the power output with a gradient of 100 Pmax Hz un l it reaches StopPT 51 5Hz Rate of Power recovery Percentage of active power In hysteresis mode power is restored only when it is below this frequency 50 0 50 1 50 2 50 3 50 4 50 5 50 6 50 7 50 8 50 9 51 0 51 1 51 2 51 3...

Страница 39: ...y the active power of the inverter Q P Mode The inverter provides a reactive power regulation function Tap Reactive Power Regulation Mode to select proper regulation mode and set the corresponding parameters ActiveP 0 ReactMode OFF ActiveP 0 ReactMode PER ActiveP 0 ReactMode PF ActiveP 0 ReactMode QU RecGra 0 00 RecPt 50 10 RecGra 0 00 Back When the frequency exceeds StopPT 51 5Hz the inverter out...

Страница 40: ...0 0 Q2 90 0 V2 15 0 Q3 100 0 V3 0 0 Q4 110 0 V4 0 0 Q5 120 0 V5 15 0 Q6 130 0 V6 30 0 RmpTime 2s Back Pic 8 37 Pic 8 38 Reac ve Power Regula on Curve in Q U Curve Upper Q Pn lnd Lower Q Pn Cap Grid Voltage U1 Q1 U2 Q2 U3 Q3 U4 Q4 U5 Q5 U6 Q6 ...

Страница 41: ...at point U6 Q6 on the Q U mode curve Increase or decrease the time required for the reactive power to reach the speci ied value of the curve Value of Q Pn at point U1 Q1 on the Q U mode curve Value of Q Pn at point U2 Q2 on the Q U mode curve Value of Q Pn at point U3 Q3 on the Q U mode curve Value of Q Pn at point U4 Q4 on the Q U mode curve Value of Q Pn at point U5 Q5 on the Q U mode curve Valu...

Страница 42: ... P6 P6 Q6 P Pn P2 P2 Q2 P3 P3 Q3 Upper Q Pn lnd Lower Q Pn Cap Q P Mode The reactive power output by the inverter is controlled by the active power of the inverter ActiveP 20 0 QMode QP P1 0 0 Q1 0 0 P2 0 0 Q2 0 0 P3 0 0 Q3 0 0 P4 0 0 Q4 0 0 P5 0 0 Q5 0 0 P6 0 0 Q6 0 0 OK Cancel ...

Страница 43: ...limit at point P6 Q6 on the Q P mode curve Value of Q Pn at point P1 Q1 on the Q P mode curve Value of Q Pn at point P2 Q2 on the Q P mode curve Value of Q Pn at point P3 Q3 on the Q P mode curve Value of Q Pn at point P4 Q4 on the Q P mode curve Value of Q Pn at point P5 Q5 on the Q P mode curve Value of Q Pn at point P6 Q6 on the Q P mode curve 0 100 Pn 0 100 Pn 0 100 Pn 0 100 Pn 0 100 Pn 0 100 ...

Страница 44: ...ect from Regions Australia A B C and New Zealand Please contact your local grid operator on which region to select 8 5 Protect Param Pic 8 31 Password 00 INMETRO 00 EN50549 00 EN50438 00 Australia A 00 CUSTOM 00 VDE_4105 00 Australia B 00 Australia C 00 CEI_0_21 00 G98_G99 00 New Zealand OK Cancel Note Engineer only AC OverVoltage U1 260 0V AC LowVoltage U1 195 5V Tripping Time1 Time1 2000ms Tripp...

Страница 45: ...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 46: ...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 47: ...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 48: ...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 49: ...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 50: ... 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 reverse irriga on F58...

Страница 51: ...Voltage Range V Rated Grid Frequency Hz Opera ng Phase Rated AC Grid Output Current A Max AC Output Current A Output Power Factor 0 5 47 52 or 57 62 op onal 98 5 97 8 20 20 29 29 26 26 2 2 2 18 18 26 1 26 1 400V 340V 440V 277 460 this may vary with grid standards 50Hz 45Hz 55Hz Three phase 0 8 leading 0 8 lagging 3 25 25 36 2 36 2 Grid Current THD 362 527 220 Transformerless Size mm W H D 20 Weigh...

Страница 52: ...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 Ver 2 2 2022 03 10 ...

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