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SOFAR 1.1K~3KTL

User manual

- 60 -

8.3. Efficiency,Protection and Communication

Technical Data

SOFAR

1100TL

SOFAR

1600TL

SOFAR

2200TL

SOFAR

2700TL

SOFAR

3000TL

Max.Efficiency

97.0%

97.1%

97.2%

Euro Efficiency

95.2%

95.9%

96.1%

96.4%

96.5%

MPPT Efficiency

>99.9%

Self-consumption at night

<1W

Safety protection

Anti islanding,RCMU,Ground fault monitoring

Certification

AS/NZS 4777, VDE V 0124-100, VDE V 0126-1-1,

VDE-AR-N4105, CE10-21, EN 50438/EN50549, G83/G98,

C10/11 , RD1699, UTE C15-712-1;ABNT NBR 16149/16150(for

SOFAR3KTL)

Protective class

Class I

External environment

pollution degree

Degree 3

Overvoltage category

PV:OVC II, AC mains:OVC III

Max inverter Back-feed

current to the array

Output short circuit

current to the array

200A/1us

Output inrush current and

duration

0.8A/2us

Содержание 1100TL

Страница 1: ...Shenzhen SOFARSOLAR CO Ltd User manual Solar Grid tied Inverter Product Model SOFAR 1 1K 3KTL ...

Страница 2: ...nnection 20 4 2 Connecting PGND Cables 20 4 3 Connecting DC Input Power Cables 22 4 4 Connecting AC Output Power Cables 24 4 5 RS485 CT inverter logic interface connection 28 4 6 WIFI Ethernet module installation 34 4 7 Communication method 34 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 ...

Страница 3: ...t even when it is transferred 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 m...

Страница 4: ...AR 1 1KTL SOFAR 1 6KTL SOFAR 2 2KTL SOFAR 2 7KTL SOFAR 3KTL 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 or...

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: ... 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 of t...

Страница 7: ...does not take any 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 device...

Страница 8: ...ation accomplished 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...

Страница 9: ...le 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 to health Pl...

Страница 10: ... in the inverter Before opening the equipment operator should 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 1 1K 3KTL This indicates the degree of protection of the equipment according to IEC standard 70 1 EN...

Страница 11: ...inside Efficiency curves It introduces the efficiency curves of in the inverter 2 1 Product dimensions SOFAR 1 1K 3KTL is a single 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 device shall...

Страница 12: ...he 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 404 5mm 314mm 135 5mm Figure 2 2 Front view and left view dimensions Figure 2 3 Back view and Bracket dimensions Figure...

Страница 13: ...nverted to AC power by Power Board AC power is filtered through Output Board then AC power is fed into the grid Output Board also offer functions such as grid voltage output current detection GFCI and output isolation relay Control Board provides the auxiliary power controls the operation state of inverter and shows the operation status by Display Board Display Board displays fault code The labels...

Страница 14: ...led directly by the grid company through a dedicated RS485 serial interface C Limiting the active power fed into the grid The inverter if enabled can limit the amount of active power fed into the grid by the inverter to the desired value Expressed as a percentage D Self power reduction when grid is over frequency When the grid frequency is higher than the limited value inverter will reduce output ...

Страница 15: ...SOFAR 1 1K 3KTL User manual Copyright Shenzhen SOFARSOLAR Co Ltd 10 2 3 Efficiency curve ...

Страница 16: ...lammable or explosive material Danger The enclosure and heat sink are very hot while the inverter is working therefore do NOT install the SOFAR 1 1K 3KTL in places where you might touch them inadvertently Caution Consider the weight of SOFAR1 1K 3KTL when transporting and moving the inverters Choose an appropriate mounting position and surface Assign at least two persons to install the inverter At...

Страница 17: ...s found do not unpack the SOFAR 1 1K 3KTL and contact the dealer as soon as possible You are advised to remove the packing materials within 24 hours before installing the SOFAR 1 1K 3KTL 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 an...

Страница 18: ...rminals secured to PV input power cables 1pcs 6 Metal terminals secured to PV input power cables 1pcs 7 M5Hexagon screws 2pcs 8 Expansion bolts 7pcs spare 2pcs 9 Self tapping screw 5pcs 10 Manual 1pcs 11 The warranty card 1pcs 12 Registration Form 1pcs 13 AC output terminal 1pcs ...

Страница 19: ...tion 1 Hammer drill Recommend drill dia 6mm Used to drill holes on the wall 2 Screwdriver wiring 3 Removal tool Remove PV termin 4 Wire stripper Strip wire 5 4mm Allen Wrench Turn the screw to connect rear panel with inverter 6 Crimping tool Used to crimp power cables 7 Multi meter Used to check grounding 8 Marker Used to mark signs 9 Measuring tape Used to measure distances 10 Level Used to ensur...

Страница 20: ...fety goggles Operators wear 13 Anti dust respirator Operators wear 3 4 Determining the Installation Position Determine an appropriate position for installing the SOFAR 1 1K 3KTL inverter Comply with the following requirements when determining the installation position Figure3 2 Installation Requirements ...

Страница 21: ... single SOFAR 1 1K 3KTLInverter Installation of multiple SOFAR 1 1K 3KTL inverter 3 5 Moving the SOFAR 1 1K 3KTL This topic describes how to move the to the installation position Horizontally SOFAR 1 1K 3KTL Step 1 Open the packaging insert hands into the slots on both sides of the ...

Страница 22: ...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 1 1K 3KTL Step 1 Determine the positions for drilling holes ensure the hole positions are level then mark the hol...

Страница 23: ...h 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 M5 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 Fig...

Страница 24: ... 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 1 1K 1 6KTL open circuit voltage Voc of module arrays connected in series must be 450V For SOFAR 2 2K 3KTL it must be 500V The power of PV grid tied system which contain by several the SOFAR1 1K 3KTL inverters must ...

Страница 25: ...es to the inverter 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 PV rack comb...

Страница 26: ...ert the exposed core wires into the OT terminal and crimp them by using a crimping tool as shown in Figure 4 3 Figure4 3 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 ...

Страница 27: ...ed 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 Procedure 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 5 Figure 4 5 Connecting DC input power cab...

Страница 28: ...to 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 6 Figure 4 6 Connecting DC input power cables 1 Positive power cable 2 Negative power cable Step 5 Insert crimped power cables into corresponding housings until you hear a click sound The powe...

Страница 29: ...1 Bayonet Note Insert the stoppers into the unused DC connectors 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 8 Before removing the positive and negative connectors ensure that the DC SWITCH is OFF Caution Figure 4 8 Removing a DC input connector 4...

Страница 30: ...cations for the cables Figure 4 9 NOT allowed connect loads between inverter and circuit breaker Table4 2 Recommended AC output cable specifications Model SOFAR 1100TL SOFAR 1600TL SOFAR 2200TL SOFAR 2700TL SOFAR 3000TL Cable Copper 4mm2 4mm2 4mm2 4mm2 4mm2 Breaker 16A 400V 16A 400V 25A 400V 25A 400V 25A 400V Multi core copper wire AC cable should be correctly sized to ensure the power loss in AC ...

Страница 31: ...icated for PV inverter customer need to make AC output cable connections by himself and the appearance of the AC connector is shown below Figure 4 11 AC output connector AC wire connections procedure Step 1 Select appropriate cables according to Table 4 2 Remove the insulation layer of the AC output cable using a wire stripper according to the figure shown below A 30 50mm B 6 8mm Figure 4 12 ...

Страница 32: ...wire to the hole labeled PE fasten the wire using an Allen wrench Connect the brown wire to the hole labeled L fasten the wire using an Allen wrench Connect the blue wire to the hole labeled N fasten the wire using an Allen wrench Figure 4 14 L brown N bule PE yellow green Step 4 Secure the locking cable gland clockwise shown as below make sure that all the wires are securely connected Step 5 Conn...

Страница 33: ...terface location of the SOFAR 1 1K 3KTL is shown in the figure below Figure 4 17 Table 4 3 Recommended communication cable size are shown below The wiring methods are the same for RS485 and CT this part describes their wiring methods and logic interface wiring method Communication function RS485 CT Cable size 0 5 1 5mm 0 5 1 5mm Outside diameter 2 5 6mm 2 5 6mm ...

Страница 34: ...r Figure 4 19 A1 Waterproof stopper Step3 Select appropriate cable according Table4 2 remove the insulation layer using a wire stripper the length of the wire core is about 6mm insert the cable through the cable gland and waterproof cover according to Table4 4 connect the wires as per the labels and secure the wire using a slotted screwdriver as shown in the figure below Table 4 4 Function descrip...

Страница 35: ...gic interface pin definitions and circuit connections are as follows The function of logical interface needs to be set on the display screen please refer to the operation steps in section 6 3 Logic interface pin are defined according to different standard requirements a Logic interface for AS NZS 4777 2 2015 also known as inverter demand response modes DRMs The inverter will detect and initiate a ...

Страница 36: ...6 3 White and green DRM3 7 4 Blue DRM4 8 5 White and blue RefGen 6 Green DRM0 7 White and brown Pin7 Pin8 short internal 8 Brown NOTE Supported DRM command DRM0 DRM5 DRM6 DRM7 DRM8 b Logic interface for VDE AR N 4105 2018 11 is in order to control and or limit the inverter s output power The inverter can be connected to a RRCR Radio Ripple Control Receiver in order to dynamically limit the output ...

Страница 37: ...lays common node 6 NC Not Connected Not Connected 7 NC Not Connected Not Connected 8 NC Not Connected Not Connected Table 4 7 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 se...

Страница 38: ...ND K1 Relay 1 output 6 NC Not Connected Not Connected 7 NC Not Connected Not Connected 8 NC Not Connected Not Connected Table 4 9 The inverter is preconfigured to the following RRCR power levels Relay status close is 1 open 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 ro...

Страница 39: ...ll out the Wi Fi antenna from the cable gland about 50 60mm length Step 3 Tighten the cable gland of Wi Fi antenna Figure 4 24 4 7 Communication method SOFAR 1 1K 3KTL gird connected inverters offer RS485 standard and Wi Fi optional communication modes A Communication between one inverter and one PC 1 RS485 Refer to the figure shown below connect the TX and TX of the inverter to the TX and TX of t...

Страница 40: ...on generated energy alert operation status of the inverter can be transferred to PC or uploaded to the server via Wi Fi You can register on the website http www solarmanpv com portal Register Regi_Pub aspx Using the Wi Fi S N number NOTE3 then you can login the website http www solarmanpv com portal LoginPage aspx to remote monitors the inverter B Communication between multiple inverters and one P...

Страница 41: ...t the USB port of the adapter to the computer A maximum of 31 inverters can be connected in one daisy chain NOTE2 Figure 4 27 2 WI FI Refer to the figure shown below wireless function required for the PC NOTE4 Figure 4 28 The operation information generated energy alert operation status of the inverter can be transferred to PC or uploaded to the server via Wi Fi You can register on the website htt...

Страница 42: ...al LoginPage aspx to remote monitors the inverter Note1 The length of the RS485 communication cable should be less than 1000 m Note2 When multiple inverters are connected via RS485 wires set mod bus address to differentiate the inverters Note3 S N number of the Wi Fi module is located on the side ...

Страница 43: ...OTE Choose the correct country code refer to section 6 3 of this manual Notice Different distribution 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...

Страница 44: ...dicator lights of SOFAR 1 1K 3KTL Inverter 6 1 Operation and Display Panel Buttons and Indicator lights Key button Back to return to previous menu or enter into main menu from the standard interface Up to move up or increase value Down to move down or decrease value OK to confirm selection Indicator Lights Inverter States Light GREEN Flashing Wait or Check state ON Normal state ...

Страница 45: ...right Shenzhen SOFARSOLAR Co Ltd 40 OFF Fault or Permanent state Warning Light RED ON Fault or Permanent state OFF Normal state GFCI Warning Light RED ON ID12 GFCI Fault or ID20 GFCI Device Fault OFF GFCI normal 6 2 Standard Interface ...

Страница 46: ...AR 1 1K 3KTL User manual Copyright Shenzhen SOFARSOLAR Co Ltd 41 When power on LCD interface displays INITIALIZING refer below picture when control board successfully connected with communication board the ...

Страница 47: ...ion resistor relays and other safety requirements 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 encountere...

Страница 48: ...Insulation Resistance 4 Set Country 15 Relay Test 5 On Off Control 16 Reactive Power 6 Relay Command 17 Power Derate 7 Enable Set Country 18 Reflux Power 8 Set Energy 19 MPPT Scan 9 Set Address 20 Logic interface 10 Set Language 21 Set Power Ratio 11 Set Start Parameter Press Back to Enter the main interface of 1 Enter Setting and press OK to Enter the Setting menu You can select the content you w...

Страница 49: ...e Set Country for details Table6 1 country code setting code country code country code country 00 Germany VDE AR N4105 16 UK G83 32 CEI0 21 In Areti 01 CEI0 21 Internal 17 Greece island 33 Ukraine 02 Australia 18 EU EN50438 34 Brazil 03 Spain RD1699 19 IEC EN61727 35 Mexico 04 Tuekey 20 Korea 36 FAR Arrete23 05 Denmark 21 Sweden 37 Denmark Tr322 06 Greece Continent 22 Europe General 38 Wide Range ...

Страница 50: ...r Error No switching occurs when there is a Warning If the relay contractor is in normally open close mode the contact will stay open or closed until the inverter reports an error once the inverter reports an error the relay switches state and therefore closes or opens The contact remains switched from its rest condition until normal operation is restored Alarm alarm config The relay switches when...

Страница 51: ...Set Start Parameter 12 Set Safety Voltage 13 Set Safety Frequency 14 Insulation Resistance User can modify the above 4 parameters of the machine through the SD card and the user needs to copy the parameter information that needs to be modified into the SD card in advance Note To enable this feature please contact the Sofarsolar technical support 15 Relay Test Dry contact test only suitable for mod...

Страница 52: ...me event records including the total number of events and each specific ID No and happening time User can enter Event List interface through main interface to check details of real time event records Event will be listed by the happening time and recent events will be listed in the front Please refer to below picture Press Back and Down to turn the page in standard interface then enter into 2 Even...

Страница 53: ...ofarsolar will provide the new update software called firmware for user if it is necessary The user needs to copy the upgrade file to the SD card 6 4 Update Software online SOFAR 1 1K 3KTL inverters offer software upgrade via SD card to maximize inverter performance and avoid inverter operation error caused by software bugs Step 1 First turn off the DC and AC breaker and then remove the communicat...

Страница 54: ...ct and then begin the update process the original password is 0715 Step 7 System update main DSP slave DSP and ARM in turns If main DSP update success the LCD will display Update DSP1 Success otherwise display Update DSP1 Fail If slave DSP update success the LCD will display Update DSP2 Success otherwise display UpdateDSP2 Fail Step 8 If Fail please turn off the DC breaker wait for the LCD screen ...

Страница 55: ...the inverter screen record all the fault information 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 corre...

Страница 56: ...ridOFP The power grid frequency is too high ID04 GridUFP The power grid frequency is too low ID05 PVUVP The input voltage is too low Check whether too few PV modules are series connected in a PV string thus the voltage Vmp of the PV string is lower than the minimum operating voltage of inverter If yes adjust the number of series connected PV modules to increase the voltage of the PV string to fit ...

Страница 57: ...f inverters then check the input wiring if both are correct please contact technical support ID15 HwAcOCP The grid current is too high and has happen hardware protection ID15 ID24 are internal faults of inverter turn OFF the DC switch wait for 5 minutes then turn ON the DC switch Check whether the fault is rectified If no please contact technical support ID16 AcRmsOCP The grid current is too high ...

Страница 58: ...er the fault is rectified If no please contact technical support If it s incorrect change it according to Section 6 3 A 10 Set Input mode of this manual ID29 SwOCPInstan The grid current is too high Internal faults of inverter turn OFF the DC switch wait for 5 minutes then turn ON the DC switch Check whether the fault is rectified If no please contact technical support ID30 SwBOCPInsta nt The inpu...

Страница 59: ...short circuit occurs rectify the fault ID57 OverTempFaul t_Inv The inverter temp is too high Ensure the installation position and installation method meet the requirements of Section 3 4 of this user manual Check whether the ambient temperature of the installation position exceeds the upper limit If yes improve ventilation to decrease the temperature ID58 OverTempFaul t_Boost The Boost temp is too...

Страница 60: ...rrect change it according to Section 6 3 A 10 Set Input mode of this manual ID74 UnrecoverIPVI nstant The input current is too high and has cause unrecoverable fault ID74 ID77 are internal faults of inverter turn OFF the DC switch wait for 5 minutes then turn ON the DC switch Check whether the fault is rectified If no please contact technical support ID75 UnrecoverWRI TEEEPROM The EEPROM is unreco...

Страница 61: ...nal port on the communication board according to Section 4 5 of this user manual ID94 Software version is not consistent The software between the control board and the communication board is not consistent Contact technical support to upgrade software ID95 Communicatio n board EEPROM fault The communication board EEPROM is fault ID95 ID96 are internal faults of inverter turn OFF the DC switch wait...

Страница 62: ...g Please clean the inverter with an air blower a dry soft cloth or a soft bristle brush Do NOT clean the inverter with water corrosive chemicals detergent etc Heat sink cleaning For the long term proper operation of inverters ensure there is enough space around the heat sink for ventilation check the heat sink for blockage dust snow etc and clean them if they exist Please clean the heat sink with ...

Страница 63: ...Technical Data SOFAR 1100TL SOFAR 1600TL SOFAR 2200TL SOFAR 2700TL SOFAR 3000TL Max DC power 1200W 1800W 2400W 2900W 3300W Max Input voltage 450V 500V Start up input voltage 100V 120V MPPT voltage range 90 450V 100 500V Rated input voltage 360V Full load DC voltage range 110 450V 165 450V 170 500V 500 500V 200 500V Max Input current 10A 12A Input short circuit current 13A 15A Number of MPPT Number...

Страница 64: ...put power 1000W 1550W 2100W 2600W 3000W Max Output power 1000VA 1550VA 2100VA 2600VA 3000VA Max Output current 4 5A 7A 9 5A 11 5A 13A Nominal grid voltage 230Vac single phase Grid voltage range 180 270Vac According to local grid standard Nominal grid frequency 50Hz 60Hz Grid frequency range 45 53Hz 57 63Hz According to local grid standard THDi 3 Power factor 1default 0 8 adjustable ...

Страница 65: ...ption at night 1W Safety protection Anti islanding RCMU Ground fault monitoring Certification AS NZS 4777 VDE V 0124 100 VDE V 0126 1 1 VDE AR N4105 CE10 21 EN 50438 EN50549 G83 G98 C10 11 RD1699 UTE C15 712 1 ABNT NBR 16149 16150 for SOFAR3KTL Protective class Class I External environment pollution degree Degree 3 Overvoltage category PV OVC II AC mains OVC III Max inverter Back feed current to t...

Страница 66: ...R 2700TL SOFAR 3000TL Topology Transformerless Ambient temperature range 30 60 Permissible humidity range 0 100 Noise figure 25dB DC Switch Optional Cooling Natural convection Max Operating altitude 2000m Outline Dimension 405 314 135mm Bracket Wall mounted Weight 11kg 12kg Communication mode RS485 WiFi GPRS optional Degree of protection IP65 ...

Страница 67: ...anty period Within 12 months of the purchase of the inverter based on the purchase invoice or within 24 months of the production of the inverter SN number of machine based 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...

Страница 68: ...esulting in product failure 4 Technicians of non company modify or attempt to repair and erase the product serial number or silk screen 5 Incorrect installation debugging 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 t...

Страница 69: ...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 301 00000062 2 ...

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