Sofar solar 3.3-12KTL-X User Manual
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Sofar solar 3.3-12KTL-X User Manual

Solar grid-tied inverter
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SOFAR 3.3K~12KTL-X
User manual
User Manual
Solar Grid-tied Inverter
Product Model: Sofar 3.3 - 12KTL-X
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Shenzhen SOFARSOLAR Co ., Ltd.

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Summary of Contents for Sofar solar 3.3-12KTL-X

  • Page 1 SOFAR 3.3K~12KTL-X User manual User Manual Solar Grid-tied Inverter Product Model: Sofar 3.3 - 12KTL-X © All rights reserved Shenzhen SOFARSOLAR Co ., Ltd.

  • Page 2: Table Of Contents

    SOFAR 3.3K~12KTL-X User manual Contents Basic safety information ..............8 1.1. Safety instructions ................8 1.2. Symbols and signs ................ 10 Product characteristics ..............12 2.1. Product identification ..............12 2.2. Function description ..............14 2.3. Protection modules ............... 15 Installation 3.1.
  • Page 3 SOFAR 3.3K~12KTL-X User manual 7.1. Earth Fault / GFCI ................ 66 7.2. Trouble shooting ................66 7.3. Maintenance ................. 74 Decommissioning ................75 8.1. Decommissioning steps ..............75 8.2. Package ..................75 8.3. Storage ..................75 8.4. Disposal ..................75 Technical data 76 9.1.
  • Page 4 SOFAR 3.3K~12KTL-X User manual Figures and Tables Figure 2-1Interface figure ................12 Figure 2-2 Inverter front & side dimensions ..........13 Figure 2-3 Overview of the grid configurations ......... 14 Figure 3-1 Installation flowchart ..............17 Figure 3-2 Wall clearances for single inverter ........... 22 Figure 3-3 Wall clearances for multiple inverters ........
  • Page 5 SOFAR 3.3K~12KTL-X User manual Table 3-1 Component list ................19 Table 3-2 Tools required for installation ............ 21 Table 4-1 AC breaker and RCD specifications .......... 26 Table 4-2 Max recommended AC cable length .......... 27 Table 4-3 Recommended DC input cable specifications ......35 Table 4-4 DRMs port description ...............
  • Page 6 SOFAR 3.3K~12KTL-X User manual Notice Thank you on your purchase of a SofarSolar inverter. This manual contains important safety and operational information that assist you in using this product. Please observe all applicable safety regulations that have been mandated by your local electrical supplier. Save these instructions! This manual should be considered a piece of safety equipment and therefore must accompany the device, even when it is transferred to another user or...
  • Page 7 SOFAR 3.3K~12KTL-X User manual Outline Please read the product manual carefully before installation, operation or maintenance. 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 assembly, installation, commissioning, and maintenance of the following inverters.
  • Page 8 SOFAR 3.3K~12KTL-X User manual Attention indicates there are potential risks. If fail to prevent, may lead to equipment cannot run normally or property damage. Attention Note provides tips that are valuable for the optimal operation of the product. Note © All rights reserved Shenzhen SOFARSOLAR Co ., Ltd.

  • Page 9: Basic Safety Information

    SOFAR 3.3K~12KTL-X User manual 1. Basic safety information If you have any question or problem when you read the following information, please contact Shenzhen SOFARSOLAR Co ., Ltd . Note 1.1. Safety instructions Read and understand the instruction of this manual, and be familiar with relevant safety symbols in the paragraph, then start to install and debug the equipment.According to the national and state requirements, before connect the grid, you must get power department permission, and perform the...
  • Page 10 SOFAR 3.3K~12KTL-X User manual Transport requirements 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. Transport of the equipment, especially by road, must be carried out with by suitable ways and means for protecting the components (in particular, the electronic components) from violent shocks, humidity, vibration, etc.

  • Page 11: Symbols And Signs

    SOFAR 3.3K~12KTL-X User manual Some internal components will be very hot when inverter is working. Please wear protective gloves! Attention Maintenance and repair  Disconnected with the PV components array and electricity grid before any repair work;  After turn off AC breaker and DC switch for 5 minutes later, the Danger maintenance or repair of the inverter can be carried out! ...
  • Page 12 SOFAR 3.3K~12KTL-X User manual Be careful of high voltage. Be careful of high temperature. Conformity with European. Point of connection for grounding. This indicates the allowed temperature range. This indicates the degree of protection of the equipment according to IEC standard 70-1 (EN 60529 June 1997).

  • Page 13: Product Characteristics

    SOFAR 3.3K~12KTL-X User manual 2. Product characteristics 2.1. Product identification The Sofar inverters are grid-tied inverters which convert DC current generated by PV modules into AC current and feed it into the public grid. Figure 2-1Interface figure ① ② ③ ④...

  • Page 14: Figure 2-2 Inverter Front & Side Dimensions

    SOFAR 3.3K~12KTL-X User manual Figure 2-2 Inverter front & side dimensions Intended grid types SOFAR 3.3K~12KTL-X inverters are compatible with TN-S, TN-C, TN-C- S, TT IT grid configurations. For the TT type of electricity grid,the voltage between neutral and earth should be less than 30V. ©...

  • Page 15: Function Description

    SOFAR 3.3K~12KTL-X User manual Figure 2-3 Overview of the grid configurations 2.2. Function description Function module A. Data transmission The inverter may be monitored remotely through an advanced communications system based on an RS485 serial interface, or remotely via the WIFI. B.

  • Page 16: Protection Modules

    SOFAR 3.3K~12KTL-X User manual B.4 Self power reduction when grid over frequency When the grid frequency is over limited value, inverter will reduce output power which do good to the grid stability. B.5 Power reduction due to environmental conditions, input output voltage The power reduction value and the inverter temperature at which it occurs depend on the ambient temperature and on many operating para-meters.
  • Page 17 SOFAR 3.3K~12KTL-X User manual The inverter has all kinds of internal protection to protect the device inside when grid or input DC side have abnormal situation. E. Ground fault protection This inverter must be used with panels connected with “floating” connections, that is, with positive and negative terminals without ground connections.

  • Page 18: Installation

    SOFAR 3.3K~12KTL-X User manual 3. Installation This topic describes how to install this product, please read carefully before install. Do NOT install the product on flammable material. Do NOT store this product in potentially explosive atmospheres. Dangers The enclosure and heat sink will get hot during operation, please do not mount the product at an easy to reach location.
  • Page 19 SOFAR 3.3K~12KTL-X User manual Checking Contents After unpacking, please check according to following table, to see whether all the parts were included in the packing, please contact your distributor immediately if anything missing or damage. Pictures Quantity Description 1PCS SOFAR 3.3K~12KTL-X 1PCS Rear panel 2PCS...

  • Page 20: Tools

    SOFAR 3.3K~12KTL-X User manual 1PCS Manual 1PCS The warranty card 1PCS Certificate Table 3-1 Component list 3.3. Tools Tool Model Function Hammer drill With a drill bit of Used to drill holes on the wall Φ8.0 R 45 crimping tool Used to prepare RJ45 connectors for Communications cables With an open end of...
  • Page 21 SOFAR 3.3K~12KTL-X User manual SOFAR 3.3K~12KTL-X Diagonal pliers Used to cut and tighten cable ties Wire stripper Used to peel cable jackets RJ45 2PCS Cable cutter Used to cut power cables Hexagon socket Hexagon socket use to uninstall and Diameter 2.0mm install the front top cover and down Diameter 5.0mm cover.

  • Page 22: Determining The Installation Position

    SOFAR 3.3K~12KTL-X User manual Anti-dust respirator Punch operator wearing Table 3-2 Tools required for installation 3.4. Determining the Installation Position This unit is designed to be wall mounted. When selecting an appropriate location for the inverter, observe the following: Installed vertically (to within 15° skew with the AC plug facing downwards Away from direct sunlight throughout the entire year...

  • Page 23: Installing The Sofar 3.3K~12Ktl-X

    SOFAR 3.3K~12KTL-X User manual Figure 3-2 Wall clearances for single inverter Figure 3-3 Wall clearances for multiple inverters 3.5. Installing the SOFAR 3.3K~12KTL-X Step 1 To determine the position for drilling holes, level hole positions, and then mark the hole position by using a marker, use the hammer drill to drill hole on the wall.

  • Page 24: Figure 3-4 Wall Mount Procedure

    SOFAR 3.3K~12KTL-X User manual Step 5 Using an M6 screw back and inverter bottom fastening, to ensure safety. Step 6 Putting the rear panel and inverter to lock together, In order to ensure the safety (the user can select lock according to the actual situation). Figure 3-4 Wall mount procedure ©...

  • Page 25: Electrical Connections

    SOFAR 3.3K~12KTL-X User manual 4. Electrical Connections 4.1. Electrical connection Figure 4-1 Cable connection flowchart 4.2. Grounding Connection (PE) Connect the inverter to the grounding electrode using ground cable This inverter is transformerless, Requires both the positive and the negative pole of the PV array to be not grounded, Otherwise it will cause inverter failure, In the PV power generation system, all non current carrying metal parts(such as: Bracket, Junction box shell, Attention...

  • Page 26: Figure 4-3 Grounding Connection Instruction (2)

    SOFAR 3.3K~12KTL-X User manual Step 2: Insert the exposed core wires into the OT terminal and crimp them by using a crimping tool, as shown as Figure 4-3. Figure 4-3 Grounding connection instruction (2) Recommend using OT terminal: OT-M6, Cable: ≥6mm L3 is the length between the insulation layer of the ground cable and crimped part.

  • Page 27: Connecting Ac Output Power Cables

    SOFAR 3.3K~12KTL-X User manual Figure 4-4 Inverter ground terminal placement 4.3. Connecting AC Output Power Cables Connect the SOFAR 3.3K~12KTL-X to the AC power distribution frame (PDF) or electrical grid using AC output power cables. It is not allowed for several inverters to use the same circuit breaker. It is not allowed to connect loads between inverter and circuit breaker.
  • Page 28 SOFAR 3.3K~12KTL-X User manual Note: For safety reasons, please make sure to use correctly sized cables, otherwise the current can cause the cable overheat / overload which may cause a fire. Multi core copper wire The cross-section of the AC line conductor must be sized in order to prevent unwanted disconnections of the inverter from the grid due to high impedance of the line that connects the inverter to the power supply point;...

  • Page 29: Connecting Communications Cables

    SOFAR 3.3K~12KTL-X User manual Figure 4-5AC output cable assembly Step 2 Connecting the AC output power cable: The AC output cable(R,S,T,N and PE) is connected to the terminal block, as shown in below. Figure 4-6 Cable connection schematic diagram 4.4. Connecting Communications Cables Connecting Communications Port SOFAR 3.3K~12KTL-X has two communication interface, RS485 interface,...

  • Page 30: Figure 4-7 Wifi/Rs485 Location

    SOFAR 3.3K~12KTL-X User manual Figure 4-7 WIFI/RS485 location (1).RS485 interface; (2). WIFI interface RS485 Port RS485 is used for communications between the SOFAR 3.3K~12KTL-X and data acquisition devices such as loggers or PC terminals. We recommended to use 24 AWG outdoor shielded network cables with the internal resistance ≤...

  • Page 31: Figure 4-9 Rs485 Wiring Pinout(1)

    SOFAR 3.3K~12KTL-X User manual Procedure Step 1: Remove the insulation layer of an appropriate length from the shielded network cable using a wire stripper. Step 2: Open SOFAR 3.3K~12KTL-X lower cover and insert the shielded network cable into the cable screw nut, seals, screw nut. Step 3: Connect the stripped network cable to corresponding pins on the plug, as shown as follow.

  • Page 32: Figure 4-12 Single Inverter Communications

    SOFAR 3.3K~12KTL-X User manual Follow-up Procedure To remove an RJ45 connector from SOFAR 3.3K~12KTL-X, remove the cable screw nut, press the clip on the RJ45 connector, and then pull out the shielded RJ45 connector. Communications Port Description This topic describes the functions of the RS485 and WIFI ports. RS485 Using the RS485 interface, inverter output, alarms and operation state of the inverter can be accessed via a PC terminal or local data acquisition device,...

  • Page 33: Figure 4-13 Multiple Inverter Communications

    SOFAR 3.3K~12KTL-X User manual Figure 4-13 Multiple inverter communications WIFI/GPRS The serial number of the logger can be registered for remote monitoring of SOFAR 3.3K~12KTL-X on our website once the logger has been connected to your home wifi. https://home.solarmanpv.com/login (Recommended browser: Chrome, Firefox, and Edge). APP: Android: Go to Android Market and search “SolarMAN smart”.

  • Page 34: Connecting Dc Input Power Cables

    SOFAR 3.3K~12KTL-X User manual Figure 4-14 Connect multiple Wifi to wireless router Note: The length of the RS485 communication cable should be less than 100 m.  The distance between WIFI and Ethernet router should be less than 15m.  A maximum of 31 devices can be daisy-chained over each RS485 ...
  • Page 35 SOFAR 3.3K~12KTL-X User manual Integrated DC Isolator The DC integrated switch in these inverters is a Santon XBE+ and complies with the requirements of AS/NZS 5033:2014 (inc Amdt 1&2: 2018) under the following conditions: For ambient temperature under 60C The inverter is installed as per this installation manual The short circuit current and open circuit voltage of the PV generator are below the allowable values.

  • Page 36: Figure 4-16 Positive Mc4 Connector

    SOFAR 3.3K~12KTL-X User manual DC, and the DC SWITCH is OFF. Otherwise, the high voltage may result Danger in fatal danger. Ensure that the following conditions are met. Otherwise, fire accident may occur.  PV modules connected in series in each PV array are of the same specifications.

  • Page 37: Figure 4-17 Negative Mc4 Connector

    SOFAR 3.3K~12KTL-X User manual Figure 4-17 Negative MC4 connector 1. Housing 2. Cable gland 3. Negative connector Note: Please ensure that the correct gender pin goes with the correct housing. 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 4-16.

  • Page 38: Figure 4-18 Stripping Length Of Dc Cable

    SOFAR 3.3K~12KTL-X User manual Figure 4-18 Stripping length of DC cable 1. Positive power cable 2. Negative power cable Note: L2 is 2 to 3 mm longer than L1. Step 3: Insert the positive and negative power cables into corresponding cable glands.

  • Page 39: Drms Functions

    SOFAR 3.3K~12KTL-X User manual Step 6 Tighten cable glands on positive and negative connectors and rotate them against the insulation covers. Step 7 Insert the positive and negative connectors into corresponding DC input terminals of the SOFAR 3.3K~12KTL-X until you hear a "click" sound, as shown in 4-20.

  • Page 40: Drms Port

    SOFAR 3.3K~12KTL-X User manual Figure 4-22 DRMs port location 4.6.1. DRMs port 3.3K~12KTL-X has five TTL input and one 5V for power output in the DRM port. The logic interface compliant with AS/NZS 4777.2 and the inverter will respond to commands within 2s of a signal being received. Table 4-4 DRMs port description 4.6.2.

  • Page 41: Safety Check

    SOFAR 3.3K~12KTL-X User manual Figure 4-23 DRMs wiring scheme 2. Power up the inverter using only PV 3. Set inverter country code as 02(Australia) in Enter Settings > Set Country Code > 02 4. Enable DRMs function in Enter Setting > Logic Interface > Enable 5.
  • Page 42 SOFAR 3.3K~12KTL-X User manual SOFAR 3.3K~12KTL-X DC connect Use the multimeter to check the DC side voltage and current; Check the DC cable, Note the positive and negative poles cannot be reversed, Consistent with the positive and negative pole of photovoltaic array, measured each input Open circuit voltage Compare the voltage, if the difference is greater than 3%, PV array line may be a fault...

  • Page 43: Commissioning Of Inverter

    SOFAR 3.3K~12KTL-X User manual Commissioning of inverter 5.1. afety inspection before commissioning Ensure that DC and AC voltages are within the range permitted by the inverter. Attention 5.2. Start Inverter Step 1 Turn on DC switch. Step 2 Turn on AC switch. When the solar arrays generate sufficient power, the inverter will startup automatically.

  • Page 44: Shutdown Inverter

    SOFAR 3.3K~12KTL-X User manual Once set chosen country grid code has been selected, the current inverter settings, including firmware version can be viewed under the “SystemInfo” menu. Shenzhen SOFARSOLAR Co., Ltd. is not responsible for any consequences arising out of incorrect country code selection. If the inverter indicates any other fault, please refer to 7.1 for further information.

  • Page 45: Operation Interface

    SOFAR 3.3K~12KTL-X User manual 6. Operation interface 6.1. Operation and Display Panel Buttons and Indicator lights Key-button: Back : to back up or enter into main interface at standard interface states. : to move up or increase value. Down : to move down or decrease value. Enter : to confirm selection.

  • Page 46: Standard Interface

    SOFAR 3.3K~12KTL-X User manual 6.2. Standard Interface LCD standard interface is used to display inverter states, information and parameter setting etc. LCD displays the updates of inverter energy, power, input information, warning information etc. © All rights reserved Shenzhen SOFARSOLAR Co ., Ltd.
  • Page 47 SOFAR 3.3K~12KTL-X User manual When power-on, LCD interface displays INITIALIZING, refer below picture. Initializing when control board successfully connected with communication board, the LCD display the current state of the inverter, display as shown in the figure below. Wait 10s Waiting States, Countdown 10S Check Checking...

  • Page 48: Main Interface

    SOFAR 3.3K~12KTL-X User manual Normal Normal Power Generation Fault Regular error state Permanent Unrecoverable error state Inverter states includes: wait, check, normal, fault and permanent Wait: Inverter is waiting to Check State at the end of reconnection time. In this state, the PV voltage is more than 180V, grid voltage value is between the max and min limits and so on;...
  • Page 49 SOFAR 3.3K~12KTL-X User manual (A) “Enter Setting” Interface as below: 1.Enter Setting 1. Set time 14. Set Insulation 2. Clear Produce 15. Set Reactive 3. Clear Events 16. Set PowerDerat 4. Set Country Code 17. PE Line Control 5. On-Off Control 18.
  • Page 50 SOFAR 3.3K~12KTL-X User manual Clear Events  Users press “Back” button to enter “1.Enter Setting” interface, Press “OK” button to enter main setting interface. Enter “3. Clear Events” by pressing “Up” button or “Down” button. Press “OK” button and start to clear events. “success”...
  • Page 51 SOFAR 3.3K~12KTL-X User manual China Slovakia SSE AU-SA France Slovakia ZSD AU-QLD Poland CEI0-21 In Areti AU-VAR Germany BDEW Ukraine AUSGRID Germany VDE Brazil Horizon 0126 Italy CE10-16 Mexico UK.G83 FAR Arrete23 Greece island Denmark Tr322 Wide-Range-60 EU EN50438 IEC EN61727 Ireland Table 6-1 Country code setting On-Off Control...
  • Page 52 SOFAR 3.3K~12KTL-X User manual Users press “Back” button to enter “1.Enter Setting” interface, Press “OK” button to enter main setting interface. Enter “6.Enset Country” by pressing “Up button or “Down” button, press “OK” button and enter “Input Password” Setting interface. Press “Back”...
  • Page 53 SOFAR 3.3K~12KTL-X User manual “Up” button or “Down” button. Press “OK” button and enter setting interface. Choose corresponded setting items by pressing “Up” button or “Down” button, then press “OK” button. “Success” or “fail” is displayed after setting. Set Language ...
  • Page 54 SOFAR 3.3K~12KTL-X User manual User can change the Frequency protection point by the LCD. First the User need to copy the. TXT file which is used to change the Frequency protection point to the SD card . Users press Back button to enter “1.Enter setting” interface, Press OK button to enter main setting interface.
  • Page 55 SOFAR 3.3K~12KTL-X User manual button to enter main setting interface. Enter “16.Set PowerDerat” by pressing “Up” button or “Down” button, press “OK” button and enter “Input Password” Setting interface. Press “OK” button to set password, increase or decrease value though ...
  • Page 56 SOFAR 3.3K~12KTL-X User manual “Up” button or “Down” button, press “OK”, button and enter “Input Password” Setting interface. Press “Back” button to set password, increase or decrease value though pressing “Up” button or “Down” button, press “OK” button to next value setting.
  • Page 57 SOFAR 3.3K~12KTL-X User manual Autotest Fast  Step 1: During the normal operation of our SOLAR inverters, press “back” button (the leftmost button) to enter the main menu interface. Step 2: Press “Confirm” button (the rightmost button) to enter the “Enter Setting”...
  • Page 58 SOFAR 3.3K~12KTL-X User manual Press “Down button” ↓ to see the test results 59. S2:230V 100ms ↓ Wait for another test Testing 27.S1... ↓ Wait Test 27.S1 OK! Press “Down button” ↓ to see the test results 27.S1:230V 384ms ↓ Wait for another test Testing 27.S2 ↓...
  • Page 59 SOFAR 3.3K~12KTL-X User manual ↓ Wait Test 81<S1 OK! Press “Down button” ↓ to see the test results 81<S1:50.0Hz85ms ↓ Wait for another test Testing 81<S2... ↓ Wait Test 81<S2 OK! Press “Down button” ↓ to see the test results 81<S2:50.0Hz82ms ↓...
  • Page 60 SOFAR 3.3K~12KTL-X User manual test results 20.Autotest STD Start Auto test Press “Ok” to start Testing 59.S1... ↓ Wait Test 59.S1 OK! Press “Down button” ↓ to see the test results 59.S1:230V 183ms ↓ Wait for another test Testing 59.S2... ↓...
  • Page 61 SOFAR 3.3K~12KTL-X User manual Test 81<S1 OK! Press “Down button” ↓ to see the test results 81>S1:49.9Hz 83ms ↓ Wait for another test Testing 81>S2... ↓ Wait Test 81>S2 OK! Press “Down button” ↓ to see the test results 81>S2:49.9Hz 89ms ↓...
  • Page 62 SOFAR 3.3K~12KTL-X User manual 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 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.
  • Page 63 SOFAR 3.3K~12KTL-X User manual interface, then press “Up” button or “Down” button enter into “1. Inverter Type”, then press “OK” button, the Inverter Type will be displayed. Serial Number  Users press Back button and Up button or Down button to enter “3. SystemInfo”...
  • Page 64 SOFAR 3.3K~12KTL-X User manual Power Factor  Users press “Back” button and “Up” button or “Down” button to enter “3. SystemInfo” interface, then Press “OK” button to enter into system information checking interface, then press “Up” button or “Down” button enter into “8.
  • Page 65 Step 3 The SD card reader must be ready by the users, so that SD card so easy to establish the connection with the computer. Step 4 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 SD card.
  • Page 66 SOFAR 3.3K~12KTL-X User manual otherwise display “Update FUSE Fail” Step 9 If Fail, please turn off the DC breaker, wait for the LCD screen extinguish, then turn on the DC breaker again, then Continue to update from step 6. Step 10 After the update is completed, turn off the DC breaker, wait for the LCD screen extinguish, then install the Waterproof cover, and turn on the DC breaker and AC breaker again, the inverter will enters the running state.

  • Page 67: Trouble Shooting And Maintenance

    SOFAR 3.3K~12KTL-X User manual 7. Trouble shooting and maintenance 7.1. Earth Fault / GFCI This inverter complies with AS/NZS 5033 for earth fault alarm monitoring. If an Earth Fault is detected in the system, the fault will be displayed on the LCD screen, the red light will be on, and the fault will be logged in the event history.
  • Page 68 SOFAR 3.3K~12KTL-X User manual The power grid If the alarm occurs occasionally, the possible cause is that ID01 GridOVP voltage is too the electric grid is abnormal occasionally. SOFAR inverter high automatically returns to normal operating status when the electric grid’s back to normal. The power grid If the alarm occurs frequently, check whether the grid ID02...
  • Page 69 SOFAR 3.3K~12KTL-X User manual earth(ground) is too low, then check the insulation conditions of PV cables. If the alarm occurs occasionally, the possible cause is that the electric grid is abnormal occasionally. SOFAR inverter automatically returns to normal operating status when the Phase PhaseSuen electric grid's back to normal.
  • Page 70 SOFAR 3.3K~12KTL-X User manual The bus BusVoltZe ID23 voltage roFault sampling error The Output IacRmsUn ID24 current is not balance balanced If the PV array configuration is correct (no ID5 fault), the The bus possible cause is that the solar irradiance is too low. ID25 BusUVP voltage Is too...
  • Page 71 SOFAR 3.3K~12KTL-X User manual The grid frequency sampling value Consistent between the ID50 Fault_FGri master DSP and slave DSP is not consistent The DCI sampling value between the Consistent ID51 master DSP Fault_DCI and slave DSP is not consistent The GFCI sampling value Consistent between the...
  • Page 72 SOFAR 3.3K~12KTL-X User manual OverTemp The Boost Check whether the ambient temperature of the installation ID58 Fault_Boos temp is too position exceeds the upper limit. If yes, improve high ventilation to decrease the temperature. Check whether the ID90~ID92 fault (fan fault) exist, if yes, please replace the corresponding fan.
  • Page 73 SOFAR 3.3K~12KTL-X User manual Unrecover Check the input mode(parallel mode/ independent mode) Incorrect input ID71 PvConfigS setting of SOFAR inverter according to Section mode etWrong 4.5 of this user manual. ID71- ID73 Reserved Reserved Reserved The input current too h i g h, a n UnrecoverI ID74 d h a s h a p p...
  • Page 74 SOFAR 3.3K~12KTL-X User manual Remote control signal port on the communication board according control to Section 4.4 of this user manual. The inverter UnderFreq has derated SOFAR inverter automatically reduce the output power ID85 uencyDerat because of grid when the frequency of electrical grid is too low. frequency too Check whether the external fan with blue heat-shrink The fan4 is...

  • Page 75: Maintenance

    SOFAR 3.3K~12KTL-X User manual RTC clock RTC clock ID96 chip chip is fault anomaly Invalid The Country is Check the country setting according to Section 4.4 of this ID97 Country InValid user manual. The SD card is ID98 SD fault Please replace the SD card.

  • Page 76: Decommissioning

    SOFAR 3.3K~12KTL-X User manual 8. Decommissioning 8.1. Decommissioning steps Switch off the AC grid  Switch Off the DC switch  Wait for 5 minutes  Release the DC connectors  Release the AC terminals using screw drivers  8.2. Package If possible, please pack the inverter in the original packaging.

  • Page 77: Technical Data

    SOFAR 3.3K~12KTL-X User manual 9. Technical data 9.1. Input parameter (DC) Sofar * Sofar * Sofar Sofar Sofar Sofar Sofar Sofar Parameter KTL-X KTL-X KTL-X KTL-X KTL-X KTL-X KTL-X KTL-X (Australia) Max. input voltage 1000V Start-up input 200V voltage Number of independent MPPT Number of DC 1 for each MPPT...

  • Page 78: Output Parameter (Ac)

    SOFAR 3.3K~12KTL-X User manual 9.2. Output parameter (AC) Sofar * Sofar * Sofar Sofar Sofar Sofar Sofar Sofar Parameter KTL-X KTL-X KTL-X (Austral KTL-X KTL-X KTL-X KTL-X KTL-X Rated power 3000W 4000W 5000W 5000W 6000W 8000W 10000W 12000W Max. AC power 3300VA 4400VA 5000VA 5500VA 6600VA 8800VA 11000VA 12000VA Rated AC voltage 3/N/PE,230/400Vac...

  • Page 79: Efficiency, Safety And Protection

    SOFAR 3.3K~12KTL-X User manual 9.3. Efficiency, Safety and Protection Sofar * Sofar * Sofar Sofar Sofar Sofar Sofar Sofar Parameter KTL-X KTL-X KTL-X (Austral KTL-X KTL-X KTL-X KTL-X KTL-X Max efficiency 98.3% Weighted eff. 97.5% (EU/CEC) Self-consumption at <1W night Feed in start power MPPT efficiency >99.5%...

  • Page 80: General Data

    SOFAR 3.3K~12KTL-X User manual 9.4. General Data Sofar * Sofar * Sofar Sofar Sofar Sofar Sofar Sofar Parameter KTL-X KTL-X KTL-X (Austral KTL-X KTL-X KTL-X KTL-X KTL-X Ambient temperature -25℃~+60℃ range Allowable relative 0~100% no condensing humidity range Topology Transformerless Degree of protection IP65 Max.

  • Page 81: Quality Assurance

    SOFAR 3.3K~12KTL-X User manual 10. Quality Assurance 10.1. Standard warranty period SOFARSOLAR *Factory’s Warranty Terms and Conditions for Australia Applicable products These *Factory’s Warranty Terms and Conditions (“Terms and Conditions”) only applies to the following products, which are distributed and installed in Australia.
  • Page 82 SOFAR 3.3K~12KTL-X User manual production, liabilities in respect of third parties (whether contractual or not), loss of anticipated savings or business, pure economic loss, loss of opportunity and any form of consequential, special, indirect, punitive or exemplary loss or damages, whether or not a party was advised of the possibility of such loss or damage;...
  • Page 83 SOFAR 3.3K~12KTL-X User manual quality or fitness of the Product and of every other kind whether expressed or implied by use, statute or otherwise are excluded. To the fullest extent that SOFARSOLAR is able to limit the remedies available under these Terms and Conditions, SOFARSOLAR expressly limits its liability for any breach of a condition or warranty implied by virtue of any applicable legislation (including the ACL) to the following remedies in the event SOFARSOLAR decides a Product to be faulty or otherwise...
  • Page 84 SOFAR 3.3K~12KTL-X User manual The purported faulty or otherwise defective Product has been returned in the original replacement product packaging to SOFARSOLAR and deemed to have workmanship or material defects upon testing and inspection by SOFARSOLAR. If the purported faulty or otherwise defective Product is deemed free of faults and defects that would qualify a replacement under these Terms and Conditions, then SOFARSOLAR is entitled to charge a retail price of the Product(s), shipping and packaging and any associated...
  • Page 85 SOFAR 3.3K~12KTL-X User manual Any damage or defect to the Product is caused any one (1) or more of the following situations (the Dealers or Distributors are responsible and authorized by SOFARSOLAR for the following investigation): Disassembly, attempted repair or modifications performed by any person not authorised by SOFARSOLAR in writing, or serial number or seals have been removed.
  • Page 86 SOFAR 3.3K~12KTL-X User manual Limitation of Liability This limited warranty supersedes and otherwise replaces any different SOFARSOLAR warranties and liabilities, whether oral, in writing, (non- obligatory) statutory, contractual, in tort or otherwise, consisting of, without quandary, and where permitted by using relevant law, any implied conditions, warranties or different phrases as regards exemplary quality or fitness for purpose.
  • Page 87 SOFAR 3.3K~12KTL-X User manual directly by SOFARSOLAR; and in all events, exclude Loss relating to any delay in supply of the Product and for any Consequential Loss. SOFARSOLAR guarantees the performance of the Product under the normal working conditions within the standard warranty term and provide limited technical support if applicable.
  • Page 88 SOFAR 3.3K~12KTL-X User manual installation date, etc.) Documentation of previous claims/exchanges (if applicable) The warranty may not be guaranteed if the above information is not provided. Extension of the Warranty Period For SOFARSOLAR inverters, the End User may apply for a Warranty Period extension within 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...
  • Page 89 SOFAR 3.3K~12KTL-X User manual 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. © All rights reserved Shenzhen SOFARSOLAR Co ., Ltd.

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