Sofarsolar SOFAR 10.5KTLM-G3 User Manual Download Page 64

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SOFAR 7K~10.5KTLM-G3

User manual

- 59 -

8.3. Efficiency,Protection and
Communication

Technical Data

SOFAR

7KTLM

-G3

SOFAR

7.7KTL

M-G3

SOFAR

8KTLM

-G3

SOFAR

9KTLM

-G3

SOFAR

10KTL

M-G3

SOFAR

10.5KTL

M-G3

Efficiency

Max efficiency

98.1%

European weighted

efficiency

97.3%

Self-consumption at night

<1W

Protection

DC reverse polarity

protection

Yes

DC switch

Optional

AFCI protection

Optional

Protection

class/overvoltage category

I/III

Safety protection

Anti-islanding, RCMU, Ground fault monitoring

SPD

PV:Type II standard, AC:Type III standard

Communication

Communication

RS485/USB/Bluetooth, Optional:WiFi/GPRS

Operation data storage

25 years

Summary of Contents for SOFAR 10.5KTLM-G3

Page 1: ...Shenzhen SOFARSOLAR Co Ltd Solar Grid tied Inverter Product Model SOFAR 7K 10 5KTLM G3 User manual ...

Page 2: ... G3 18 4 Electrical Connections 20 4 1 Outlines of this chapter 20 4 2 Connecting PGND Cables 21 4 3 Connecting DC Input Power Cables 23 4 4 Connecting AC Output Power Cables 25 4 5 Com port connection 30 4 6 WIFI GPRS 36 5 Commissioning of inverter 38 5 1 Safety inspection before commissioning 38 5 2 Start inverter 38 6 Operation interface 39 6 1 Operation and Display Panel 39 6 2 Standard Interf...

Page 3: ...ransferred 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...

Page 4: ...s 7KTLM G3 7 7KTLM G3 8KTLM G3 9KTLM G3 10KTLM G3 10 5KTLM 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 in ...

Page 5: ... a 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 ...

Page 6: ...hen start to 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 o...

Page 7: ... responsibility 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 ther...

Page 8: ...d 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 Sofars...

Page 9: ...e 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 harmf...

Page 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 7K 10 5KTLM 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...

Page 11: ... inverters work and the function modules inside Efficiency curves It introduces the efficiency curves of in the inverter 2 1 Product dimensions SOFAR 7K 10 5KTLM 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 disco...

Page 12: ... must not exceed the limits specified in the technical specifications 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 468mm 380mm 187mm Figure 2 2 Front view and...

Page 13: ...of SOFAR 7K 10 5KTL G3 Labels on the equipment 2 2 Function characteristics DC power generated by PV array is filtered through Input Board before entering The labels must NOT be hidden with objects and extraneous parts rags boxes equipment etc they must be cleaned regularly and kept visible at all times ...

Page 14: ... be used to switch the inverter on off through an external remote control B Feeding reactive power into the grid The inverter is able to produce reactive power and can therefore feed it into the grid through the setting of the phase shift factor Feed in management can be controlled directly by the grid company through a dedicated RS485 serial interface C Limiting the active power fed into the grid...

Page 15: ...SOFAR 7K 10 5KTLM G3 User manual Copyright Shenzhen SOFAR SOLAR Co Ltd 10 software Electrical block diagram Figure2 4 Electrical block diagram 2 3 Efficiency curve ...

Page 16: ...rial Do NOT install the SOFAR 7K 10 5KTLM 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 7K 10 5KTLM G3 in places where you might touch them inadvertently Caution Consider the weight of SOFAR 7K 10 5KTLM G3 when transporting and moving the inverters Choose an appropriate mo...

Page 17: ...advised to remove the packing materials within 24 hours before installing the SOFAR 7K 10 5KTLM 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 7K 10 5KTL...

Page 18: ...d 13 6 Metal terminals secured to PV input power cables 3pcs 7 COM 8pin Communication Terminal 1pcs 8 USB acquisition stick WIFI GPRS Ethernet 1pcs Optional 9 AC Buckler 1pcs 10 M6 Hexagon screws 3pcs 11 M4 12 cross screw 4pcs 12 M6 80 anchoring 3pcs 13 TO Terminal 3pcs ...

Page 19: ... required for installation and electrical connections Table 3 2 Shows the tools required for installation and electrical connections NO Tool Model Function 1 Hammer drill Recommend 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 ...

Page 20: ...Used to mark signs 10 Measuring tape Used to measure distances 11 Level Used to ensure that the rear panel is properly installed 12 ESD gloves Operators wear 13 Safety goggles Operators wear 14 Anti dust respirator Operators wear 3 4 Determining the Installation Position Determine an appropriate position for installing the SOFAR 7K 10 5KTLM G3 inverter Comply with the following requirements when d...

Page 21: ...SOFAR 7K 10 5KTLM G3 User manual Copyright Shenzhen SOFAR SOLAR Co Ltd 16 Figure3 2 Installation Requirements 80 cm 50cm 50cm 50 cm ...

Page 22: ...AR 7K 10 5KTLM G3 This topic describes how to move the to the installation position Horizontally SOFAR 7K 10 5KTLM G3 Step 1 Open the packaging insert hands into the slots on both sides of the inverter and hold the handles as shown in Figure 3 3 and Figure 3 4 Figure 3 3 Moving the inverter 1 ...

Page 23: ...rter on the floor put foam or paper under the inverter to protect its shell Attention 3 6 Installing SOFAR 7K 10 5KTLM G3 Step 1 Determine the positions for drilling holes ensure the hole positions are level then mark the hole positions using a marker pen use the hammer drill to drill holes on the wall Keep the hammer drill perpendicular to the wall do not shake when drilling so as not to damage t...

Page 24: ...gure 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 action is optional Figure 3 6 ...

Page 25: ...ofessional 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 7K 10 5KTLM G3 open circuit voltage Voc of module arrays connected in series must be 550V Note The connected PV modules must have an IEC 61730 Class A rati...

Page 26: ...t 39A Protection class IP68 Maximum temperature limit 105 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 par...

Page 27: ...ure4 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 ...

Page 28: ...er Cables Table 4 1 Recommended DC input cable specifications Cross Sectional Area mm External Cable Diameter mm Range Recommended Value 4 0 6 0 4 0 4 5 7 8 Step 1 Remove cable glands from the positive and negative connectors Step 2 Remove the insulation layer with an appropriate length from the positive and negative power cables by using a wire stripper as show in Figure 4 4 ...

Page 29: ... negative power cables into the positive and negative metal terminals respectively and crimp them using a clamping tool Ensure that the cables are crimped until they cannot be pulled out by force less than 400 N as shown in Figure 4 5 Figure 4 5 Connecting DC input power cables 1 Positive power cable 2 Negative power cable Step 5 Insert crimped power cables into corresponding housings until you he...

Page 30: ... 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 press the wrench with an appropriate strength as shown in Figure 4 7 Before removing the positive and negative connectors ensure that the DC SWITCH is OFF Caution Figure 4 7 Removing a DC input connec...

Page 31: ...fications for the cables Figure 4 8 NOT allowed connect loads between inverter and circuit breaker Table4 2 Recommended AC output cable specifications Model 7KTLM G3 7 7KTLM G3 8KTLM G3 9KTLM G3 10KTLM G3 10 5KTLM G3 Cable Copper 6mm 6mm 6mm 10mm 10mm 10mm Breaker 60A 60A 60A 100A 100A 100A Multi core copper wire AC cable should be correctly sized to ensure the power loss in AC cable is less than ...

Page 32: ... area and wire power loss The AC output terminal of this product is equipped with high current 3 core terminal block and customized AC output waterproof cover which can meet theIP65 level requirements after installation AC cable need customer self connect theout looking is as below figure 4 10 Figure 4 10 AC terminal connector picture ...

Page 33: ...e insulation layer of the AC output cable using a wire stripper according to the figure shown below A 15 25mm B 6 8mm Step 2 Use press pliers TO press the TO terminal and the cable The TO terminal is covered with insulating bushings The terminals should not be exposed Step 3 Disassemble the AC cover as shown below and run the cable through the PG connector and AC cover ...

Page 34: ...nd tighten it with an internal cross screwdriver Connect the brown wire into the keyhole marked with L and tighten it with an internal cross screwdriver Connect the blue wire into the keyhole marked with N and tighten it with an internal cross screwdriver Step 5 Fix the AC waterproof cover on the box body with M4 screw Before installing or removing the AC connector ensure that the power grid is di...

Page 35: ...ollowing COM PIN Definition Function Note 1 485_TX RS485 differential signal Wired monitoring or inverter cascade monitoring 2 485_TX RS485 differential signal 3 485_TX RS485 differential signal 4 485_TX RS485 differential signal 5 RS485 A RS485 differential signal Meter communication 6 RS485 B RS485 differential signal 7 GND DRMS port logical IO The logic interface pin definitions and circuit con...

Page 36: ...se modes DRMs The inverter will detect and initiate a response to all supported demand response commands within 2 s The inverter will continue to respond while the mode remains asserted Table 4 4 Function description of the DRMs terminal Pin NO Function 9 DRM1 5 10 DRM2 6 11 DRM3 7 12 DRM4 8 7 GND 8 DRM0 NOTE Supported DRM command DRM0 DRM5 DRM6 DRM7 DRM8 b Logic interface for VDE AR N 4105 2018 1...

Page 37: ...lay 2 output 11 L3 Relay contact 3 input K3 Relay 3 output 12 L4 Relay contact 4 input K4 Relay 4 output 7 G GND Relays common node Table 4 6 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 outpu...

Page 38: ...n is 0 L1 Active Power Power drop rate Cos φ 1 0 5 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 de...

Page 39: ... SOFAR 7K 10 5KTLM G3 are used connect all SOFAR 7K 10 5KTLM G3 in daisy chain mode over the RS485 communication cable Set different Modbus address 1 31 for each inverter in LCD display Figure 4 15 Multi SOFAR 7K 10 5KTLM G3 connecting Communications 4 4 3 CT interface There are two ways to get grid current information Plan A CT default Plan B Meter CT ...

Page 40: ...SOFAR 7K 10 5KTLM G3 User manual Copyright Shenzhen SOFAR SOLAR Co Ltd 35 Figure 4 16 Plan A CT default Plan B Meter CT optional ...

Page 41: ...k WIFI version to wireless router Figure 4 18 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 7K 10 5KTLM G3 are connected to the monitoring device ...

Page 42: ...monitoring and viewing according to their needs 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 S...

Page 43: ...tors 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 isolated islands Reactive...

Page 44: ...icator lights of SOFAR 7K 10 5KTLM 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 ...

Page 45: ...OLAR Co Ltd 40 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 ...

Page 46: ...quirements It also does self test to ensure inverter software 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 i...

Page 47: ...14 Autotest Fast 7 Set Address 15 Autotest STD 8 Set Inputmode 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 lo...

Page 48: ...rnal 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 001 Slova...

Page 49: ...s 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 SetAntiReflux 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 4 4 3 CT for details 11 Logi...

Page 50: ... Test 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 Short pr...

Page 51: ...eshold 47 5Hz 100ms Short press the 81 S2 50 1Hz 107ms 15 Autotest STD 15 Autotest STD Long press the The test procedure is same as Autotest Fast but it s much more time consuming B Event List Interface as below Event List is used to display the real time event records including the total number of events and each specific ID No and happening time User can enter Event List interface through main i...

Page 52: ...ters 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 information to view D system Time Long press the button and short press the button to turn the page in the standard user interface to enter into 4 Display Time then long press the button to display the current system time E Software Update User can update soft...

Page 53: ...erface 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 Step 6 After the update is completed turn off the DC breaker wait for the LCD screen extinguish then restore ...

Page 54: ...formation 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 ...

Page 55: ...eaker 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 ...

Page 56: ...ch PV branch current detecing fault ID029 ConsistentGFCI Leakage current consistency error ID030 ConsistentVgrid 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 ID038 InvSoftStartFail Inverter soft start fail...

Page 57: ...erature protection ID052 TempErrHeatSin k3 Radiator 3 temperature protection ID053 TempErrHeatSin k4 Radiator 4 temperature protection ID054 TempErrHeatSin k5 Radiator 5 temperature protection ID055 TempErrHeatSin k6 Radiator 6 temperature protection ID057 TempErrEnv1 Ambient temperature 1 protection ID058 TempErrEnv2 Ambient temperature 2 protection ID059 TempErrInv1 Module 1 temperature protecti...

Page 58: ... is solved If no please contact technical support ID072 SwBusRmsOVP Inverter bus voltage RMS software overvoltage ID073 SwBusIOVP Inverter bus voltage instantaneous value software overvoltage ID074 FlyingCapOVP ID081 SwBatOCP Battery overcurrent software protection ID082 DciOCP Dci overcurrent protection ID083 SwIOCP Output instantaneous current protection ID084 SwBuckBoostOC P BuckBoost software ...

Page 59: ...high Please make sure the grid frequency and voltage is within the acceptable range ID115 FreqLoading AC frequency is too low ID116 VoltDerating AC voltage is too high ID117 VoltLoading AC voltage is too low ID124 BatDchgProhibit Battery low voltage protection Please check whether the battery voltage of the inverter is too low ID125 BatLowVoltShut Battery low voltage shutdown ID129 PermHwAcOCP Out...

Page 60: ...fiFault Wifi fault Check the Wifi port of the inverter ID147 BluetoothFault Bluetooth fault Check the bluetooth connection of the inverter ID148 RTCFault RTC clock failure 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 technical support ID149 CommEEPROM Fault Communication board EEPROM error ID150 ...

Page 61: ...he fan 6 of inverter is running normally ID175 FanFault7 Fan 7 fault Please check whether the fan 7 of inverter is running normally 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...

Page 62: ...5000Wp 15000Wp Max DC power for single MPPT 6250W 50 00W 5000 W 6250W 50 00W 5000 W 6250W 50 00W 5000 W 6250W 50 00W 5000 W 6250W 50 00W 5000 W 6250W 50 00W 5000 W Number of MPP trackers 3 Number of DC inputs 3 Max input voltage 600V Start up voltage 90V Rated input voltage 360V MPPT operating voltage range 80V 550V Full power MPPT voltage range 200 500V 200 500V 230 500V 260 500V 280 500V 300 500...

Page 63: ...0W 10500W Max AC power 7700VA 7700VA 8800VA 9900VA 10000VA 10500VA Nominal output current 31 8A 35A 36 4A 40 9A 45 5A 45 6A Max output current 35A 35A 40A 45A 46A 46A Nominal grid voltage L N PE 220Vac 230Vac 240Vac Grid voltage range 180Vac 276Vac According to local standard Nominal frequency 50 60Hz Grid frequency range 45Hz 55Hz 54Hz 66Hz According to local standard Active power adjustable rang...

Page 64: ... 98 1 98 1 98 1 98 1 98 1 98 1 European weighted efficiency 97 3 97 3 97 3 97 3 97 3 97 3 Self consumption at night 1W Protection DC reverse polarity protection Yes DC switch Optional AFCI protection Optional Protection class overvoltage category I III Safety protection Anti islanding RCMU Ground fault monitoring SPD PV Type II standard AC Type III standard Communication Communication RS485 USB Bl...

Page 65: ... 30 60 Topology Transformerless Degree of protection IP65 Allowable relative humidity range 0 100 Max operating altitude 4000m Noise 25dB Weight 17kg 19 kg Cooling Natural Dimension 450 350 210mm Display LCD APP Bluetooth Standard warranty 5 years Optional 7 10 years Standard EMC EN 61000 6 1 EN 61000 6 2 EN 61000 6 3 EN 61000 6 4 Safety standards IEC 62109 1 2 IEC 62116 IEC 61727 IEC 61683 IEC 60...

Page 66: ...d 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 te...

Page 67: ...nsportation company or insurance company as soon as possible and obtain damage identification such as container package unloading 9 Failure to follow the product user manual installation manual and maintenance guidelines 10 Improper use or misuse of the device 11 Poor ventilation of the device 12 The product maintenance process does not follow relevant standards 13 Failure or damage caused by natu...

Page 68: ...ADD 401 Building 4 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 ...

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