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SOFAR 3K~6KTLM-G3

User manual

Copyright © Shenzhen SOFAR SOLAR Co., Ltd

- 21 -

stripper, as shown in Figure 4-1.

Figure4-1 Preparing a ground cable (1)

Note

：

L2 is 2 to 3mm longer than L1

Step 2

Insert the exposed core wires into the OT terminal and crimp them

by using a crimping tool, as shown in Figure 4-2.

Figure4-2 Preparing a ground cable (2)

Note 1:

L3 is the length between the insulation layer of the ground cable and the

crimped part.L4 is the distance between the crimped part and core wires protruding from
the crimped part.

Note 2:

The cavity formed after crimping the conductor crimp strip shall wrap the

core wires completely. The core wires shall contact the terminal closely.

Step 3

Install the crimped OT terminal, flat washer using M6 screw, and

tighten the screw to a torque of 6 N.m using an Allen wrench.

Figure4-3 Ground terminal

composition

1.Tapped hole
2.OT Terminal
3.M6 screw

Содержание 3.6KTLM-G3

Страница 1: ...Shenzhen SOFAR SOLAR Co Ltd Solar Grid tied Inverter Product Model SOFAR 3K 6KTLM G3 User manual ...

Страница 2: ...4 Electrical Connections 19 4 1 Outlines of this chapter 19 4 2 Connecting PGND Cables 20 4 3 Connecting DC Input Power Cables 22 4 4 Connecting AC Output Power Cables 24 4 5 Com interface connection 27 4 6 WIFI GPRS 33 5 Commissioning of inverter 35 5 1 Safety inspection before commissioning 35 5 2 Start inverter 35 6 Operation interface 36 6 1 Operation and Display Panel 36 6 2 Standard Interfac...

Страница 3: ...nsferred to another user or field Copyright Declaration The copyright of this manual belongs to Shenzhen SOFARSOLAR Co Ltd Any corporation or individual should not plagiarize partially copy or fully copy it including software ect and no reproduction or distribution of it in any form or by any means All right reserved SOFARSOLAR reserves the right of final interpretation This manual is subject to c...

Страница 4: ... G3 3 6KTLM G3 4KTLM G3 4 6KTLM G3 5KTLM G3 5KTLM G3 A 6KTLM G3 Keep this manual where it will be accessible at all times Target Group This manual is intended for qualified electrical technical personnel who are responsible for inverter installation and commissioning in the PV power system and PV plant operator Symbols Used This manual is provides safety operation information and uses the symbol i...

Страница 5: ... hazardous situation which if not avoided could result in death or serious injury Warning Caution indicates a hazardous situation which if not avoided could result in minor or moderate injury Caution Attention indicates potential risks which if not avoided may lead to equipment fault or property damage Attention Note provides tips that are valuable for the optimal operation of the product Note ...

Страница 6: ...o install and troubleshoot the equipment According to the national and state requirements before connecting to the electrical grid you must get permission from the local electrical grid operation can only be performed by qualified electrical engineer Please contact the nearest authorized service center if any maintenance or repair is needed Contact your distributor for the information of the neare...

Страница 7: ...lity for the property destruction and personal injury because of any incorrect use Installation requirements Please install inverter according to the following section Fix the inverter on an appropriate objects with enough load bearing capacity such as walls PV racks etc and ensure that inverter is vertical placed Choose a place suitable for installing electrical devices And assure there is enough...

Страница 8: ... only by professional electrical engineer Must be trained Completely read the manual operation and understand relevant matter Warning Get permission from the local electrical gird operator complete all electrical connections by professional electrical engineer then connect inverter to electrical grid Attention It s forbidden to remove the tamper evident label or open the inverter Otherwise Sofarso...

Страница 9: ...no unacceptable effect upon the environment Therefore EMC represents the quality characters of an electrical equipment The inherent noise immune character immunity to internal electrical noise External noise immunity immunity to electromagnetic noise of external system Noise emission level influence of electromagnetic emission upon environment Electromagnetic radiation from inverter may be harmful...

Страница 10: ...hould wait for five minutes to ensure the capacitor is discharged completely Caution risk of electric shock Caution hot surface Comply with the Conformite Europeenne CE certification Grounding point Please read this manual before install SOFAR 3K 6KTLM G3 This indicates the degree of protection of the equipment according to IEC standard 70 1 EN 60529 June 1997 Positive pole and negative pole of th...

Страница 11: ...odules inside Efficiency curves It introduces the efficiency curves of in the inverter 2 1 Product dimensions SOFAR 3K 6KTLM G3 is a dual MPPT grid tied PV inverter which converts the DC power generated by PV arrays into sine wave single phase AC power and feeds it to the public electrical grid AC circuit breaker refer to Section 4 4 and DC switch used as disconnect device and the disconnect devic...

Страница 12: ...Only the photovoltaic modules can be connected to the input of the inverter do not connect batteries or other sources of power supply The choice of optional parts of inverter should be made by a qualified technician who knows the installation conditions clearly Overall dimensions L W H 349mm 344mm 164mm Figure 2 2 Front view and left view dimensions of SOFAR 3K 6KTLM G3 Figure 2 3 Bracket dimensio...

Страница 13: ...on state of inverter and shows the operation status by Display Board Display Board displays fault code when inverter is in abnormal operation conditions At the same time Control Board can trigger the relay so as to protect the internal components Function module A Energy management unit This control can be used to switch the inverter on off through an external remote control B Feeding reactive pow...

Страница 14: ...ver frequency When the grid frequency is higher than the limited value inverter will reduce output power which is necessary for the grid stability E Data transmission The inverter or a group of inverters may be monitored remotely through an advanced communication system based on RS 485 serial interface or remotely via the WIFI GPRS F Software update Support usb flash drive local upgrade software a...

Страница 15: ...SOFAR 3K 6KTLM G3 User manual Copyright Shenzhen SOFAR SOLAR Co Ltd 10 2 3 Efficiency curve ...

Страница 16: ...rial Do NOT install the SOFAR 3K 6KTLM G3 in an area used to store Flammable or explosive material Danger The enclosure and heat sink are very hot while the inverter is working therefore do NOT install the SOFAR 3K 6KTLM G3 in places where you might touch them inadvertently Caution Consider the weight of SOFAR 3K 6KTLM G3 when transporting and moving the inverters Choose an appropriate mounting po...

Страница 17: ...g materials within 24 hours before installing the SOFAR 3K 6KTLM G3 inverter Checking Deliverables After unpacking the inverter check whether deliverables are intact and complete If any damage is found or any component is missing contact the dealer Table3 1 Shows the components and mechanical parts that should be delivered NO Picture Description Quantity 1 3K 6KTLM G3 1pcs 2 Rear panel 1pcs 3 PV i...

Страница 18: ...13 7 COM 16pin Communication Terminal 1pcs 8 USB acquisition stick WIFI GPRS Ethernet 1pcs Optional 9 AC output terminal 1pcs 10 M6 Hexagon screws 2pcs 11 Expansion bolts 3pcs 12 Self tapping screw 3pcs 13 Manual 1pcs 14 The warranty card 1pcs 15 Registration Form 1pcs ...

Страница 19: ... drill dia 6mm Used to drill holes on the wall 2 Screwdriver Wiring 3 Cross screwdriver Remove and install AC terminal screws 4 Removal tool Remove PV terminal 5 Wire stripper Strip wire 6 5mm Allen Wrench Turn the screw to connect rear panel with inverter 7 Crimping tool Used to crimp power cables 8 Multi meter Used to check grounding 9 Marker Used to mark signs 10 Measuring tape Used to measure ...

Страница 20: ...fety goggles Operators wear 14 Anti dust respirator Operators wear 3 4 Determining the Installation Position Determine an appropriate position for installing the SOFAR 3K 6KTLM G3 inverter Comply with the following requirements when determining the installation position Figure3 2 Installation Requirements ...

Страница 21: ...SOFAR 3K 6KTLM G3 User manual Copyright Shenzhen SOFAR SOLAR Co Ltd 16 3 5 Moving the SOFAR 3K 6KTLM G3 This topic describes how to move the to the installation position Horizontally SOFAR 3K 6KTLM G3 ...

Страница 22: ...he inverter is heavy Do not put the inverter with its wiring terminals contacting the floor because the power ports and signal ports are not designed to support the weight of the inverter Place the inverter horizontally When placing the inverter on the floor put foam or paper under the inverter to protect its shell Attention 3 6 Installing SOFAR 3K 6KTLM G3 Step 1 Determine the positions for drill...

Страница 23: ...lt should be deep enough Step 3 Align the rear panel with hole positions fix the rear panel on the wall by tightening the expansion bolt with the nuts Figure 3 5 Step 4 Hook the inverter to the rear panel Using an M6 screw to secure the inverter to the rear panel to ensure safety Step 5 You can secure the inverter to the rear panel and protect if from stealing by installing an anti theft lock this...

Страница 24: ...nverter must be operated by professional electrical engineer Attention PV modules generate electric energy when exposed to sunlight and can create an electrical shock hazard Therefore before connecting DC input power cable cover PV modules using opaque clot Danger For SOFAR 3K 6KTLM G3 open circuit voltage Voc of module arrays connected in series must be 550V Note The connected PV modules must hav...

Страница 25: ...Icw 700A 1S Icm 4xle Ithe 50A 4 2 Connecting PGND Cables Connect the inverter to the grounding electrode using protection ground PGND cables for grounding purpose The inverter is transformer less requires the positive pole and negative pole of the PV array are NOT grounded Otherwise it will cause inverter failure In the PV power system all non current carrying metal parts such as PV module frame P...

Страница 26: ... L3 is the length between the insulation layer of the ground cable and the crimped part L4 is the distance between the crimped part and core wires protruding from the crimped part Note 2 The cavity formed after crimping the conductor crimp strip shall wrap the core wires completely The core wires shall contact the terminal closely Step 3 Install the crimped OT terminal flat washer using M6 screw a...

Страница 27: ...e and negative power cables by using a wire stripper as show in Figure 4 4 Figure 4 4 Connecting DC input power cables 1 Positive power cable 2 Negative power cable Note L2 is 2 to 3 mm longer than L1 Step 3 Insert the positive and negative power cables into corresponding cable glands Step 4 Insert the stripped positive and negative power cables into the positive and negative metal terminals respe...

Страница 28: ...ectors into corresponding DC input terminals of the inverter until you hear a click sound as shown in Figure 4 6 Figure 4 6 Connecting DC input power cables 1 Bayonet Note Please use the multimeter to confirm the positive and negative poles of the photovoltaic array Follow up Procedure To remove the positive and negative connectors from the inverter insert a removal wrench into the bayonet and pre...

Страница 29: ...sconnect device and the disconnect device shall remain readily operable Caution Context All the AC output cables used for the inverters are outdoor three core cables To facilitate the installation use flexible cables Table 4 2 lists the recommended specifications for the cables Figure 4 8 NOT allowed connect loads between inverter and circuit breaker Table4 2 Recommended AC output cable specificat...

Страница 30: ...relationship between power loss in AC cable and wire length wire cross sectional area is shown in the following figure Figure 4 9 Wire length wire cross sectional area and wire power loss Inverter is equipped with IP66 AC connector and the AC output cable needs to be wired by the customer The appearance of AC connector is shown in figure 4 10 Figure 4 10 AC connector Step 1 Select appropriate cabl...

Страница 31: ...llowing requirements Connect the yellow green wire to the hole labeled PE fasten the wire using an Cross screwdriver Connect the brown wire to the hole labeled L fasten the wire using an Cross screwdriver Connect the blue wire to the hole labeled N fasten the wire using an Cross screwdriver Step 4 Insert the AC connector and hear click then tighten the waterproof nut at the instantaneous value as ...

Страница 32: ...lock and rotate the knob counterclockwise to the unlock position then pull out the AC connector Make sure the grid is disconnected before removing the AC connector Caution 4 5 Com interface connection The com interface location of the SOFAR 3K 6KTLM G3 is shown in the figure below Figure 4 12 Hold the button to unlock ...

Страница 33: ...SOFAR 3K 6KTLM G3 User manual Copyright Shenzhen SOFAR SOLAR Co Ltd 28 Figure 4 13 COM interface ...

Страница 34: ...the inverter s output power The inverter can be connected to a RRCR Radio Ripple Control Receiver in order to dynamically limit the output power of all the inverters in the PIN Definition Function Note 1 485_TX RS485 differential signal Wired monitoring or inverter cascade monitoring 2 RS485 B RS485 differential signal Meter communication 3 485_TX RS485 differential signal Wired monitoring or inve...

Страница 35: ...4 L3 Relay contact 3 input K3 Relay 3 output 13 L4 Relay contact 4 input K4 Relay 4 output 12 G GND Relays common node Table 4 5 The inverter is preconfigured to the following RRCR power levels Relay status close is 1 open is 0 L1 L2 L3 L4 Active Power Cos φ 1 0 0 0 0 1 0 1 0 0 30 1 0 0 1 0 60 1 0 0 0 1 100 1 c Logic interface for EN50549 1 2019 is in order to cease active power output within five...

Страница 36: ... seconds 1 0 100 1 Step4 Insert the terminal as per the printed label and then tighten the screws to fix the waterproof cover rotate the cable gland clockwise to fasten it securely 4 4 2 RS485 interface By RS485 interface transfer the inverter power output information alarm information operation state to the PC terminal or local data acquisition device then uploaded to the server If only one SOFAR...

Страница 37: ...FAR 3K 6KTLM G3 are used connect all SOFAR 3K 6KTLM G3 in daisy chain mode over the RS485 communication cable Set different Modbus address 1 31 for each inverter in LCD display Figure 4 17 Multi SOFAR 3K 6KTLM G3 connecting Communications 4 4 3 CT interface Figure 4 18 Arrow marks on CT ...

Страница 38: ...0 Connect multiple USB acquisition stick WIFI version to wireless router NOTE The length of the RS485 communication cable should be less than 1000 m The length of the WIFI communication cable should be less than 100 m If multiple SOFAR 3K 6KTLM G3 are connected to the monitoring device over an RS485 USB converter a maximum of 31 inverters can be connected in a daisy chain ...

Страница 39: ...s They need to register an account and bind the device with the WiFi GPRS SN number The SN number of the WiFi GPRS shall be affixed to the package box and the WiFi GPRS Web https home solarmanpv com Recommended browser Chrome58 Firefox49 IE9 and above version APP Android Go to Android Market and search SolarMAN IOS Go to App Store and search SolarMAN SolarMAN 3 0 Web User Manual Please visit the h...

Страница 40: ...tion network operators in different countries have different requirements regarding grid connections of PV grid connected inverters Therefore it s very important to make sure that you have selected the correct country code according to requirements of local authority Please consult qualified electrical engineer or personnel from electrical safety authorities about this Detection methods of isolate...

Страница 41: ...nd LED indicator lights of SOFAR 3K 6KTLM G3 Inverter 6 1 Operation and Display Panel Buttons and Indicator lights Button Short press UP button go up Long press UP button exit menu or current interface Short press DOWN button go down Long press DOWN button enter menu or current interface Indicator Lights RUN Green ON Normal state Flash Wait or Check state FAULT Red ON Fault or Permanent state ...

Страница 42: ...AR Co Ltd 37 6 2 Standard Interface When power on LCD interface displays INITIALIZING refer below picture When control board successfully connected with communication board the LCD display the current state of the inverter display as shown in the figure below ...

Страница 43: ... and hardware are functional Inverter will go to Fault State or Permanent State if any error or fault occurs Normal Inverter enter to Normal State it is feeding power to the grid inverter will go to Fault State or Permanent state if any error or fault occurs Fault Fault State Inverter has encountered recoverable error It should recover if the errors disappear If Fault State continues please check ...

Страница 44: ... 6 Set Energy 13 Autotest Fast 7 Set Address 14 Autotest STD Long press the button to Enter the main interface of 1 Enter Setting and long press the to enter the setting menu You can switch up and down to choose what you want by short pressing the and Note1 Some settings need to enter the password the default password is 0001 when entering the password short press the and to change the number long...

Страница 45: ...021 External 022 000 Europe General 003 Italia CEI0 21 In Areti 024 000 Cyprus 002 000 Australia 025 000 India 001 Australia AU WA 026 000 Philippines 002 Australia AU SA 027 000 New Zealand 003 Australia AU VIC 028 000 Brazil 004 Australia AU QLD 001 Brazil LV 005 Australia AU VAR 002 Brazil 230 006 Australia AUSGRID 003 Brazil 254 007 Australia Horizon 029 000 Slovakia VSD 003 000 Spain RD1699 0...

Страница 46: ... to the case where two channels are in parallel independent mode is applicable to the case where two channels of MPPT run independently and the default mode is independent mode 9 Set Language Set the inverter display language 10 Set Reflux P Enable or disable the anti reflux function of the inverter and set the reflux power This function need to be used with external CT please refer to this manual...

Страница 47: ...est 59 S2 OK Wait Testing 27 S1 Wait Test 27 S1 OK Wait Testing 27 S2 Wait Test 27 S2 OK Wait Testing 81 S1 Wait Test 81 S1 OK Wait Testing 81 S2 Wait Test 81 S2 OK Wait Testing 81 S1 Wait Test 81 S1 OK Wait Testing 81 S2 Wait Test 81 S2 OK Long press the Auto Test OK Short press the 59 S1 threshold 253V 900ms Short press the 59 S1 228V 902ms Short press the 59 S2 threshold 264 5V 200ms ...

Страница 48: ...hort press the 81 S1 49 9Hz 103ms Short press the 81 S2 threshold 51 5Hz 100ms Short press the 81 S2 49 9Hz 107ms Short press the 81 S1 threshold 49 5Hz 100ms Short press the 81 S1 50 0Hz 105ms Short press the 81 S2 threshold 47 5Hz 100ms Short press the 81 S2 50 1Hz 107ms 14 Autotest STD 14 Autotest STD Long press the The test procedure is same as Autotest Fast but it s much more time consuming B...

Страница 49: ...nd event occurrence time C SystemInfo Interface as below 3 SystemInfo Long press the 1 Inverter Type 7 Input Mode 2 Serial Number 8 Remote State 3 SoftVersion 9 Reflux Power 4 HardVersion 10 EnDRMs 5 Country 11 Power Ratio 6 Modbus Address The user enters the main menu by long pressing the button then long press the button to enter 3 SystemInfo Turning the page down can select the system informati...

Страница 50: ...e Step 3 Insert the usb flash drive into the USB Wifi interface Step 4 5 Software Update Input password Input 0715 Start Update Updating DSP1 Updating DSP2 Updating ARM Step 5 If the following errors occur please upgrade again If this continues many times contact technical support for help USB Fault MDSP File Error SDSP File Error ARM File Error Update DSP1 Fail Update DSP2 Fail Update ARM Fail St...

Страница 51: ...rmation If there is no fault information shown on the screen check whether the following requirements are met Is the inverter mounted in a clean dry place with good ventilation Is the DC switch turned ON Are the cables adequately sized and short enough Are the input and output connections and wiring in good condition Are the configuration settings correct for the particular installation Are the di...

Страница 52: ...and AC wiring of the inverter If the grid voltage frequency is NOT within the acceptable range and AC wiring is correct but the alarm occurs repeatedly contact technical support to change the grid over voltage under voltage over frequency under frequency protection points after obtaining approval from the local electrical grid operator ID002 GridUVP The grid voltage is too low ID003 GridOFP The gr...

Страница 53: ...ConsistentFault_ Vgrid Grid voltage consistency error ID033 SpiCommFault D C SPI communication error DC ID034 SpiCommFault A C SPI communication error AC ID035 SChip_Fault Chip error DC ID036 MChip_Fault Chip error AC ID037 HwAuxPowerFau lt Auxiliary power error ID041 RelayFail Relay detection failure ID042 IsoFault Low insulation impedance Check the insulation resistance between the photovoltaic ...

Страница 54: ...nv2 Ambient temperature 2 protection ID059 TempFault_Inv1 Module 1 temperature protection ID060 TempFault_Inv2 Module 2 temperature protection ID061 TempFault_Inv3 Module 3 temperature protection ID065 VbusRmsUnbala nce Unbalanced bus voltage RMS Internal faults of inverter switch OFF inverter wait for 5 minutes then switch ON inverter Check whether the problem is solved If no please contact techn...

Страница 55: ...ID085 SwAcRmsOCP Output effective value current protection ID086 SwPvOCPInstant PV overcurrent software protection ID087 IpvUnbalance PV flows in uneven parallel ID088 IacUnbalance Unbalanced output current ID097 HwLLCBusOVP LLC bus hardware overvoltage ID098 HwBusOVP Inverter bus hardware overvoltage ID099 HwBuckBoostO CP BuckBoost hardware overflows ID100 HwBatOCP Battery hardware overflows ID10...

Страница 56: ... Check whether the problem is solved If no please contact technical support ID130 unrecoverBusOV P Permanent Bus overvoltage failure ID131 unrecoverHwBus OVP Permanent Bus hardware overvoltage failure ID132 unrecoverIpvUnb alance PV uneven flow permanent failure ID133 unrecoverEPSBat OCP Permanent battery overcurrent failure in EPS mode ID134 unrecoverAcOCP Instant Output transient overcurrent per...

Страница 57: ...versions Contact for technical support and software upgrades ID157 BMSCommunica tonFault Communication failure of lithium battery Make sure your battery is compatible with the inverter CAN communication is recommended Check the communication line or port of the battery and inverter for faults ID161 ForceShutdown Force shutdown The inverter is performed a forced shutdown ID162 RemoteShutdown Remote...

Страница 58: ...of overload in charge and discharge of BMS ID182 BMS Short BMS short circuit alarm 7 2 Maintenance Inverters generally do not need any daily or routine maintenance Heat sink should not be blocked by dust dirt or any other items Before the cleaning make sure that the DC SWITCH is turned OFF and the circuit breaker between inverter and electrical grid is turned OFF Wait at least for 5 minutes before...

Страница 59: ...TLM G3 A SOFAR 6KTLM G3 Recommended Max PV input power 4500Wp 5400Wp 6000Wp 7000Wp 7500Wp 7500Wp 9000Wp MAX DC power for single MPPT 3500W 3500W 3500W 3500W 3750W 3750W 4500W Number of MPP trackers 2 Number of DC input 1 for each MPPT Max input voltage 600V Start up voltage 90V Rated input voltage 380V MPPT operating voltage range 80V 550V Full power MPPT voltage range 200V 500V 200V 500V 200V 500...

Страница 60: ... 18 2A 21A 22 7A 21 7A 27 3A Max output current 15A 16A 20A 23A 25A 21 7A 29A Nominal grid voltage L N PE 220Vac 230Vac 240Vac Grid voltage range 180 276Vac According to local grid standard Nominal grid frequency 50Hz 60Hz Grid frequency range 45 55Hz 54 66Hz According to local grid standard Active power adjustable range 0 100 THDi 3 Power factor 1default 0 8 adjustable Power limit export Zero exp...

Страница 61: ...98 4 98 4 98 4 98 4 Euro efficiency 97 3 97 3 97 3 97 5 97 5 97 5 97 5 MPPT efficiency 99 9 Self consum ption at night 1W DC reverse polarity protection Yes DC switch Optional AFCI protection Optional Protective class overvo ltage category Ⅰ Ⅲ Safety protection Anti islanding RCMU Ground fault monitoring SPD MOV Type Ⅲ standard Power management unit According to certification and request Communica...

Страница 62: ...ty range 0 100 Noise 25dB Cooling Natural Max operati ng altitude 4000m Outline Dimension 349 344 164mm Weight 9 2kg 10kg Display LCD Bluetooth APP Warranty 5 years 7 years 10 years Over voltage category DC side overvoltage II AC side overvoltage III EMC EN 61000 6 2 EN 61000 6 3 EN 61000 3 2 EN 61000 3 3 EN 61000 3 11 EN 61000 3 12 Safety standards IEC 62109 1 2 IEC 62116 IEC 61727 IEC 61683 IEC ...

Страница 63: ... on the first date of arrival Customers can apply to buy extended warranty products from the company s sales team by providing the product serial number Our company may refuse to do not conform to the time limit extended warranty purchase application Customers can buy an extended warranty of 5 10 15 years If the customer wants to apply for the extended warranty service please contact the sales tea...

Страница 64: ...and use methods 6 Failure to comply with safety regulations certification standards etc 7 Damage caused by improper storage by dealers or end users 8 Transportation damage including scratches caused by internal packaging during transportation Please claim directly from the transportation company or insurance company as soon as possible and obtain damage identification such as container package unl...

Страница 65: ...remedies held by a consumer at law Our goods come with guarantees that cannot be excluded under the Australian Consumer Law You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a...

Страница 66: ...AnTongDa Industrial Park District 68 XingDong Community XinAn Street BaoAn District Shenzhen GuangDong P R China Email service sofarsolar com Tel 0510 6690 2300 Web www sofarsolar com Product Name Solar Grid tied Inverter ...

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