Sofar solar 3KTLM-G3 User Manual
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Sofar solar 3KTLM-G3 User Manual

Solar grid-tied inverter
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User manual
Solar Grid-tied Inverter
Product Model: SOFAR 3K~6KTLM-G3
S h e n z h e n S O FA R S O L A R C o . , L t d .

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Summary of Contents for Sofar solar 3KTLM-G3

  • Page 1 User manual Solar Grid-tied Inverter Product Model: SOFAR 3K~6KTLM-G3 S h e n z h e n S O FA R S O L A R C o . , L t d .

  • Page 2: Table Of Contents

    User manual SOFAR 3K~6KTLM-G3 Contents Preface.........................I 1. Basic safety information..................- 1 - 1.1. Safety instructions................. - 1 - 1.2. Symbols and signs.................- 4 - 2. Product characteristics..................- 6 - 2.1. Product dimensions................- 6 - 2.2. Function characteristics.................- 8 - 2.3.
  • Page 3 User manual SOFAR 3K~6KTLM-G3 Notice This manual contains important safety instructions that must be followed during installation and maintenance of the equipment. Save these instructions! This manual must be considered as an integral part of the equipment. The manual must always accompany the equipment,even when it is transferred to another user or field.

  • Page 4: Preface

    Scope This product manual describes the installation,electrical connections, commissioning,maintenance and troubleshooting of SOFAR 3K~6KTLM-G3 inverters: 3KTLM-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.
  • Page 5 User manual SOFAR 3K~6KTLM-G3 Danger indicates a hazardous situation which, if not avoided, will result in death or serious injury. Danger Warning indicates 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.

  • Page 6: Basic Safety Information

    OFF to cut off the high voltage DC of the PV array. You can also turn the switch in the PV combiner box OFF to cut off the high voltage DC. Otherwise, serious injury may be caused. Qualified persons - 1 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 7 If you find packing problems that may cause the damage of the inverter, or find any visible damage, please immediately notice the responsible transportation company. You can ask solar equipment installation contractor or Shenzhen SOFARSOLAR Co.Ltd for help if necessary. - 2 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 8 Pay attention to any instructions or safety documents related to Danger grid connection. Some internal components will be very hot when inverter is working. Please wear protective gloves! Keep it away from kids ! Attention - 3 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 9: Symbols And Signs

    PV system and personnel security. Ensure input DC voltage < Max. DC voltage .Over voltage may cause permanent damage to inverter or other losses, which will not be included in warranty! Warning - 4 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 10 IEC standard 70-1 (EN 60529 June 1997). Positive pole and negative pole of the input voltage (DC). RCM (Regulatory Compliance Mark) The product complies with the requirements of the applicable Australian standards. - 5 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 11: Product Characteristics

    Section 4.4) and DC switch used as disconnect device, and the disconnect device shall be easily accessible. Figure2-1 PV Grid-tied System SOFAR 3K~6KTLM-G3 inverters can only be used with photovoltaic - 6 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 12 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 dimensions of SOFAR 3K~6KTL-G3  Labels on the equipment - 7 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 13: Function Characteristics

    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. - 8 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 14 RS-485 serial interface, or remotely via the WIFI/GPRS. F. Software update Support usb flash drive local upgrade software and WIFI/GPRS remote upgrade software. Electrical block diagram Figure2-4 Electrical block diagram - 9 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 15: Efficiency Curve

    User manual SOFAR 3K~6KTLM-G3 2.3. Efficiency curve - 10 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 16: Installation

    Start tools installation location installation Moving Install Install rear inverter inverter panel 3.2. Checking Before Installation Checking Outer Packing Materials Packing materials and components may be damaged during transportation. - 11 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 17 1pcs Rear panel 1pcs PV+ input terminal 2pcs PV- input terminal 2pcs Metal terminals secured to 2pcs PV+ input power cables Metal terminals secured to 2pcs PV- input power cables - 12 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 18 Terminal USB acquisition stick 1pcs (WIFI/GPRS/Ethernet) (Optional) AC output terminal 1pcs M6 Hexagon screws 2pcs Expansion bolts 3pcs Self-tapping screw 3pcs Manual 1pcs The warranty card 1pcs Registration Form 1pcs - 13 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 19: Tools

    Used to crimp power cables Multi-meter Used to check grounding Marker Used to mark signs Measuring tape Used to measure distances Used to ensure that the rear panel Level is properly installed - 14 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 20: Determining The Installation Position

    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 - 15 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 21: Moving The Sofar 3K~6Ktlm-G3

    User manual SOFAR 3K~6KTLM-G3 3.5. Moving the SOFAR 3K~6KTLM-G3 This topic describes how to move the to the installation position Horizontally SOFAR 3K~6KTLM-G3. - 16 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 22: Installing Sofar 3K~6Ktlm-G3

    Keep the hammer drill perpendicular to the wall, do not shake when drilling, so as not to damage the wall. If the error of the hole - 17 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 23 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 - 18 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 24: Electrical Connections

    Maximum output over current SOFAR 4.6KTLM-G3 protection SOFAR 5KTLM-G3 SOFAR 5KTLM-G3-A 21.7A SOFAR 6KTLM-G3 The decisive voltage class(DVC) NOTE:The DVC is the voltage of a circuit which occurs continuously between any - 19 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 25: Connecting Pgnd Cables

    The PGND cables are prepared ( ≥4mm²outdoor power cables are recommended for grounding purposes),the color of cable should be yellow-green. Procedure: Step 1 Remove the insulation layer with an appropriate length using a wire - 20 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 26 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 - 21 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 27: Connecting Dc Input Power Cables

    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 - 22 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 28 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 connector - 23 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 29: Connecting Ac Output Power Cables

    Table4-2 Recommended AC output cable specifications 3KTLM- 3.6KTL 4KTLM- 4.6KTLM 5KTLM- 5KTLM- 6KTLM- Model M-G3 G3-A Cable ≧6mm² ≧6mm² ≧6mm² ≧10mm² ≧10mm² ≧10mm² ≧10mm² (Copper) Breaker Multi core copper wire - 24 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 30 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:15-25mm B:6~8mm - 25 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 31 Step 4 Insert the AC connector and hear "click", then tighten the waterproof nut at the instantaneous value, as shown in the figure below, to ensure that the cable is firmly connected. Figure 4-11 ② ① L--Brown, N--Blue, PE--Yellow-green ③ - 26 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 32: Com Interface Connection

    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 - 27 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 33 User manual SOFAR 3K~6KTLM-G3 Figure 4-13 COM interface ① ② ③ ⑤ ④ - 28 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 34 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 - 29 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 35 Logic interface for EN50549-1:2019, is in order to cease active power output within five seconds following an instruction being received at the input interface. Figure 4-15 Inverter – RRCR Connection - 30 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 36 If only one SOFAR 3K~6KTLM-G3 is used, use a communication cable, refer to section 4.5.2 for COM pin definition, and select RS485 port to connect. Figure 4-16 A single SOFAR 3K~6KTLM-G3 connecting communications - 31 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 37 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 - 32 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 38: Wifi/Gprs

    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. - 33 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 39 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 https://doc.solarmanpv.com/web/#/7. SolarMAN-App User Manual， Please visit the https://doc.solarmanpv.com/web/#/14. - 34 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 40: Commissioning Of Inverter

    Detection methods of isolated islands:ROCOF. Shenzhen SOFAR SOLAR Co., Ltd. is not responsible for any consequences arising out of incorrect country code selection. If the inverter indicates any fault, please refer to Section 7.1 of this manual ——...

  • Page 41: Operation Interface

    “∨” 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 - 36 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 42: 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. - 37 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 43 Permanent:Inverter has encountered unrecoverable error, we need maintainer debug this kind of error according to error code. When the control board and communication board connection fails, the LCD display interface as shown in the figure below. - 38 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 44: Main Interface

    If "password error, try again" appears, you will need to re-enter the correct password. 1. Set Time Set the system time for the inverter. 2. Clear Energy Clean the inverter of the total power generation. - 39 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 45 Ireland EN50438 Netherland Thailand PEA Belgium Thailand MEA UK G59/G99 LV-Range-50Hz UK G83/G98 South Africa China Dubai DEWG China Taiwan Dubai DEWG MV France Croatia France FAR Arrete23 Lithuania Poland - 40 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 46 12. IV Curve Scan Shadow scanning, when the component is blocked or abnormal, causing multiple power peaks, by enabling this function, the peak point of maximum power can be tracked. 13. Autotest Fast - 41 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 47 ↓ 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 - 42 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 48 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 - 43 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 49 User can update software by USB flash drive , Sofarsolar will provide the new update software called firmware for user if it is necessary, The user needs to copy the upgrade file to the USB flash drive. - 44 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 50: Update Software Online

    Step 1 Insert the usb flash drive into the compute. Step 2 SOFAR SOLAR will send the Software code to the user who needs to update. After user receive the file,please decompressing file and cover the original file in usb flash drive.

  • Page 51: Trouble Shooting

    Select “ 2. Event List ” then long press the button to enter event list. Earth Fault Alarm  This inverter complies with IEC 62109-2 clause 13.9 for earth fault alarm monitoring. - 46 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 52 ID010 GridOVPInstant2 of grid voltage 2 If no, please contact technical support. Power grid line voltage ID011 VGridLineFault error Inverter voltage ID012 InvOVP overvoltage ID017 HwADFaultIGrid Power grid current - 47 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 53 Check input mode mode (parallel/independent mode) Settings ID044 PvConfigError for the inverter. If not, change the PV input mode. CT error Check whether the CT wiring is ID045 CTDisconnect correct. - 48 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 54 After correction, the inverter will automatically return to its normal state. Battery over-voltage Check whether the battery overvoltage ID070 BatOVP setting is inconsistent with the battery - 49 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 55 Internal temperature is Make sure the inverter is installed OverTempDerati too high. where there is no direct sunlight. ID113 Please ensure that the inverter is installed in a cool/well ventilated - 50 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 56 Internal faults of inverter, switch OFF unrecoverHwPV ID139 overcurrent permanent inverter, wait for 5 minutes, then failure switch ON inverter. Check whether the problem is solved. ID140 unrecoverRelayF Permanent relay failure - 51 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 57 Fan 2fault Please check whether the fan 2 of ID170 FanFault2 inverter is running normally. ID171 FanFault3 Fan 3 fault Please check whether the fan 3 of - 52 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 58: Maintenance

    Please clean the heat sink with an air blower, a dry & soft cloth or a soft bristle brush. Do NOT clean the heat sink with water, corrosive chemicals, detergent, etc. - 53 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 59: Technical Data

    200V~ 200V~ 200V~ 200V~ 210V~ 210V~ 260V~ MPPT voltage 500V 500V 500V 500V 500V 500V 500V range Max. Input 15A/15A MPPT current Max. Input short circuit 22.5A/22.5A current per MPPT - 54 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 60: Output Parameters (Ac)

    1default( +/-0.8 adjustable) factor Power limit Zero export or adjustable power limit export export Current 23.9A /20ms (inrush) Maximum output 200a.c.A , 1μs fault current Maximum output overcurre 27.3a.c.A protectio backfeed current - 55 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 61: Efficiency,Protection And Communication

    Ⅰ/Ⅲ ltage category Safety Anti islanding,RCMU,Ground fault monitoring protection MOV:Type Ⅲ standard Power management According to certification and request unit Communica RS485/USB/Bluetooth, Optional:WiFi/GPRS tion Operation 25 years data storage - 56 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 62: General Date

    IEC 62109-1/2, IEC 62116, IEC 61727, IEC 61683, IEC 60068(1,2,14,30) standards VDE-AR-N 4105, VDE V 0126-1-1, V 0124-100, AS/NZS 4777, CEI 0-21, G98/G99, Grid standards C10/11, EN 50549, RD 1699 - 57 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 63: Quality Assurance

    Once the extended warranty service is purchased, our company will issue the extended warranty card to the customer to confirm the extended warranty period. - 58 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 64 11) Poor ventilation of the device; 12) The product maintenance process does not follow relevant standards; 13) Failure or damage caused by natural disasters or other force majeure (such as earthquake, lightning strike, fire, etc.) - 59 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 65 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 major failure. - 60 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 66 Product Name: Solar Grid-tied Inverter 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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