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............................II 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

    This manual contains important safety instructions and installation instructions that must be followed during installation and maintenance of the equipment. 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 from the PV array. You can also turn the switch in the PV combiner box OFF to cut off the high voltage DC to prevent serious injuries or damage to property. - 1 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 7 You can ask solar equipment installation contractor or Shenzhen SOFARSOLAR Co. Ltd. for help if necessary. Transport of the equipment, especially by road, must be carried out with by - 2 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 8 Pay attention to any instructions or safety documents related to grid Danger 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

    AC circuit breaker (refer to 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 modules - 6 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 12 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 dimensions of SOFAR 3K~6KTL-G3 - 7 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 13: Function Characteristics

    Display Board. Display Board displays fault code when inverter is in abnormal operation conditions. At the same time, Control Board can trigger the relay to protect the internal components. - 8 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 14 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 and WIFI/GPRS remote upgrade software. - 9 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 15: Efficiency Curve

    User manual SOFAR 3K~6KTLM-G3 Electrical block diagram Figure2-4 Electrical block diagram 2.3. Efficiency curve Figure2-5 Efficiency Curve diagram - 10 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 16: Installation

    Start tools installation location installation Moving the 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 1pcs Terminal USB logger 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 Multimeter 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: Figure 3-2 Installation Requirements - 15 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 21 User manual SOFAR 3K~6KTLM-G3 - 16 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

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

    Place the inverter horizontally. When placing the inverter on the floor, put foam or paper under the Attention inverter to protect its shell. - 17 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 23: Installing Sofar 3K~6Ktlm-G3

    (Torque: 25kgf.cm) 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 two - 19 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 25: Connecting Pgnd Cables

    (such as: PV module frame, PV rack, combiner box enclosure, inverter Attention enclosure) should be connected to earth. Prerequisites: The PGND cables are prepared ( ≥4mm²outdoor power cables are recommended for grounding purposes), the color of cable should be yellow-green. - 20 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 26 The core wires shall contact the terminal closely. Step 3 Install the crimped OT terminal, flat washer using M5 screw, and tighten the screw to a torque of 3 N.m using an Allen wrench.(Torque: 25kgf.cm) - 21 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 27: Connecting Dc Input Power Cables

    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. Figure 4-4 Connecting DC input power cables 1.Positive power cable 2. Negative power cable - 22 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 28 "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! - 23 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 29: Connecting Ac Output Power Cables

    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. - 24 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 30 Figure 4-9 Wire length, wire cross sectional area and wire power loss Inverter is equipped with IP66 AC , and the AC output cable needs to connector - 25 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 31 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. - 26 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 32 L--Brown, N--Blue, PE--Yellow-green ③ ④ ⑤ Removing the AC connector Hold the button to unlock and rotate the knob counterclockwise to the unlock position, then pull out the AC connector. - 27 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 33: Com Port Connection

    RS485 differential signal + Wired monitoring or inverter cascade monitoring 485_TX- RS485 differential signal – 485_TX- RS485 differential signal – RS485-A RS485 differential signal + Meter communication RS485-B RS485 differential signal – - 28 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 34 2 s. The inverter will continue to respond while the mode remains asserted. Table 4-3 Function description of the DRMs terminal Pin NO. Function DRM1/5 DRM2/6 DRM3/7 DRM4/8 DRM0 NOTE: Supported DRM command: DRM0, DRM5, DRM6, DRM7, DRM8. - 29 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 35 Relay status: close is 1, open is 0 Active Power cos(φ) 100% (c) 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. - 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. - 31 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 37 Setting> in this manual for specific operation methods. Hard anti-reverse current is enabled by default in some safety Settings. To access the hard anti-reverse current setting, this requires permission from Sofar Solar. Only installers and distributors have the permission to use the Bluetooth APP for setting, enabling/disabling settings, and setting up the Reflux Power limit.
  • Page 38 When Hard anti reflux control is enabled, a loss of communication with the meter will trigger the inverter into a fault protection state. - 33 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 39 User manual SOFAR 3K~6KTLM-G3 Figure 4-17 Plan A: CT (default) - 34 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 40 User manual SOFAR 3K~6KTLM-G3 Plan B: Meter+CT (optional) - 35 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 41: Wifi/Gprs

    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 - 36 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 42 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. - 37 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 43: Commissioning Of Inverter

    Detection methods of isolated islands: Reactive Power Disturbance. 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 44: Shutdown Inverter

    Technical personnel can send control instructions on the monitoring page to  modify the mode and parameters of the machine, and the corresponding instructions need to be provided by internal professionals. - 39 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 45: 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 - 40 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 46: 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 as shown in the figure below. - 41 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 47 When the control board and communication board connection fails, the LCD display interface as shown in the figure below. - 42 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 48: Main Interface

    1. Set Time Set the system time for the inverter. 2. Clear Energy Clean the inverter of the total power generation. - 43 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 49 Wide-Range-60Hz 000* Netherland 000* Ireland EN50438 000* Belgium Thailand PEA UK G59/G99 Thailand MEA UK G83/G98 LV-Range-50Hz China South Africa China Taiwan 000* Dubai DEWG 000* France Dubai DEWG MV - 44 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 50 New Zealand Under- Protective frequency 1 function limit 47Hz 47Hz 45Hz 45Hz (F<) value Trip delay time Maximum disconnection time Over- Protective 52Hz 52Hz 55Hz 55Hz frequency 1 function limit - 45 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 51 (Q) % of S rated 5. On-Off Control Inverter on-off local control. 6. Set Energy Set the total power generation. You can modify/clear the total power generation through this option. - 46 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 52 Press “Up” or “Down” to change the value of the first digit. Press “OK” to switch to second digit. Press “Up” or “Down” to change the value of the second digit. After inputting all digit press “OK” to confirm. 11. EnDRMs - 47 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 53 ↓ 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! - 48 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 54 ↓ 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 - 49 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 55 “4.Display Time”,then long press the “∨” button to display the current system time. (E) Software Update Users can update the software by USB flashdrive, SOFARSOLAR may provide - 50 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 56: Update Software Online

    WiFi logger and then turn on the DC breaker and AC breaker again, the inverter should resume normal operation. Users can check the current software version in Systemlnfo > SoftVersion. - 51 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 57: Troubleshooting

    Earth Fault Alarm  This inverter complies with AS/NZS 5033 for earth fault alarm monitoring. If an Earth Fault Alarm occurs, the fault will be displayed on the LCD - 52 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 58 2 If no, please contact technical support. Power grid line voltage ID011 VGridLineFault error Inverter voltage ID012 InvOVP overvoltage Power grid current ID017 HwADFaultIGrid sampling error - 53 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 59 If not, change the PV input mode. CT error Check whether the CT wiring is ID045 CTD isconnect correct. ID049 TempFault_Bat Battery temperature Make sure the inverter is installed - 54 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 60 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 specification. - 55 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 61 Internal temperature is Make sure the inverter is installed too high. where there is no direct sunlight. OverTempDerati ID113 Please ensure that the inverter is installed in a cool/well ventilated place. - 56 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 62 5 minutes, then failure switch ON inverter. Check whether the problem is solved. unrecoverRelayF Permanent relay failure ID140 If no, please contact technical support. ID141 unrecoverVbusU Bus voltage unbalanced - 57 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 63 Fan 3 fault Please check whether the fan 3 of ID171 FanFault3 inverter is running normally. ID172 FanFault4 Fan 4 fault Please check whether the fan 4 of - 58 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 64: 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. - 59 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 65: Technical Data

    500V 500V 500V 500V 500V 500V 500V Max. Input MPPT 15A/15A current Isc PV (absolute 22.5A/22.5A maximum) Maximum inverter backfeed current to No backfeed current to array array - 60 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 66: Output Parameters (Ac)

    Zero export or adjustable power limit export export Current 200A , 1μs (inrush) Maximum output fault 59A /20ms current Maximum output 27.3A overcurrent protection backfeed current Detection methods of Reactive Power Disturbance isolated islands - 61 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 67: Efficiency,Protection And Communication

    Safety Anti islanding, RCMU, Ground fault monitoring protection MOV:Type Ⅲ standard Power manageme According to certification and request nt unit Communic RS485/USB/Bluetooth, Optional:WiFi/GPRS ation Operation 25 years data storage - 62 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 68: 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 - 63 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...

  • Page 69: Quality Assurance

    - 64 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 70 (including the ACL) and the terms of any warranty stipulated in these Terms and Conditions, the End User acknowledges that: prior to purchasing the Product, the End User conducted a thorough examination - 65 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 71 Express delivery costs will not be covered. In the event SOFARSOLAR, in its sole discretion, decides that any faulty or otherwise defective Product will be repaired on-site or otherwise replaced, in - 66 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 72 Product(s) until the purported faulty or otherwise defective Product has been received in accordance with these terms and conditions. The End User may contact the dealer (SOFARSOLAR authorised dealer or - 67 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 73 The Product has been used and installed by an unauthorised or unlicensed installer who fails, refuses, or otherwise neglects to strictly follow any - 68 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 74 SOFARSOLAR, are, to the fullest extent, expressly excluded; - 69 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 75 Please refer to SOFARSOLAR Energy Storage Warranty Terms and Conditions for further information on SOFARSOLAR Energy Storage products. - 70 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 76 24 months for grid-tied inverter <50kW and 12 months for grid-tied ≥50 kW and energy storage inverter(hybrid) inverters from the date of production from SOFARSOLAR by providing the serial number and copy of the - 71 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 77 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. - 72 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 78 User manual SOFAR 3K~6KTLM-G3 Contact us You can directly contact our professional after-sales team: Sofarsolar Ausco Pty Ltd. Tel: +61 401 734 463 / 408 500 386 Shenzhen Sofarsolar Co. Ltd. - 73 - Copyright © Shenzhen SOFAR SOLAR Co., Ltd...
  • Page 79 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...

This manual is also suitable for:

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