Sofar solar 75K-110KTL User Manual
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Sofar solar 75K-110KTL User Manual

Solar grid-tied inverter
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User manual
Solar Grid-tied Inverter
Product Model: SOFAR 75K-110KTL
SOFAR 100K-136KTL-HV
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 75K-110KTL

  • Page 1 User manual Solar Grid-tied Inverter Product Model: SOFAR 75K-110KTL SOFAR 100K-136KTL-HV 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

    75-136KTL User Manual Preface ................................II 1. Basic Safety Information ........................- 1 - 1.1. Requirement for Installation and Maintenance ............. - 1 - 1.2. Symbols and signs ....................- 4 - 2. Product Characteristics .........................- 7 - 2.1. Intended Use ......................- 7 - 2.2.

  • Page 3: Preface

    75-136KTL User Manual Preface Notice The products, services or features you purchased shall be subject to the company's commercial contracts and terms. All or part of the products and services described in this document may not within the scope of your purchase. Unless additional terms and conditions in your contract, the company does not make any statement or guarantee on the contents of this document.
  • Page 4 75-136KTL User Manual Outline  This manual is an integral part of SOFARSOLAR 75KTL to 136KTL. It describes the assembly, installation, commissioning ,maintenance and failure of the product. Please read it carefully before operating. Scope of Validity  This manual contains important instructions for: SOFAR 75KTL SOFAR 80KTL SOFAR 100KTL...

  • Page 5: Basic Safety Information

    75-136KTL User manual 1.Basic Safety Information Outlines of this Chapter Please read the instruction carefully. Faulty operation may cause serious injury or death . If you have any question or problem when you read the following information, please contact Shenzhen SOFARSOLAR CO., Ltd.
  • Page 6 75-136KTL User manual Qualified Person When inverter is working, it contains lethal voltages and went hot in some area. Improper installation or misoperation could cause serial damage and injury. To reduce the risk of personal injury and to ensure the safe installation and operation of the product, only a qualified electrician is allowed to execute transportation, installation, commissioning and maintenance.
  • Page 7 75-136KTL User manual Transportation Requirement Inverter is in the good electrical and physical condition when it ship out from factory. During transport, inverter must be placed in its original package or other proper package. Transportation company should responsible for any damage during transport period.

  • Page 8: Symbols And Signs

    75-136KTL User manual Maintenance and repair Before any repair work, turn OFF the AC circuit breaker between the inverter and electrical grid first, then turn OFF the DC switch. After turning OFF the AC circuit breaker and DC switch wait for at Danger least 5 minutes before carry any maintenance or repair work.
  • Page 9 75-136KTL User manual PV array should be grounded in accordance to the requirements of the local electrical grid company Attention Ensure the maximum DC voltage input is less than the maximum inverter DC voltage (including in low temperature condition). Any damage cause by overvoltage, SOFARSOLAR will not take the Warning responsibility including warranty...
  • Page 10 75-136KTL User manual Read all documentation supplied with Observe the documentation the product before install Positive pole and negative Positive pole and negative pole of the pole input voltage (DC) Indicated the temperature allowance Temperature range RCM (Regulatory Compliance Mark) The product complies with the RCM logo requirements of the applicable...

  • Page 11: Product Characteristics

    75-136KTL User manual 2.Product Characteristics Outlines of this Chapter Product Dimensions Introduce the filed of use and the dimensions of the product Function Description Introduce working principle and internal components Efficiency Curves Introduce the efficiency curves of the product 2.1. Intended Use SOFAR 75~136KTL is a transformerless on grid PV inverter, that converters the direct current of the PV array to the grid-compliant, three-phase current and feeds into the utility grid.
  • Page 12 75-136KTL User manual  Supported grid types - 8 - Copyright © Shenzhen SOFARSOLAR Co., Ltd...
  • Page 13 75-136KTL User manual  Inverters comply with AS/NZS 4777.2:2020 instructions During the commissioning of the product, you can select the power quality response mode and grid protection settings in Australia A, B, and C regions through the mobile APP or remote monitoring platform. 1）National Safety Code Query：...
  • Page 14 75-136KTL User manual transmitting instructions on the remote monitoring platform, on the premise that the data acquisition rod is installed (WiFi/GPRS/Ethernet).Do not upgrade only when there is a power grid and no PV. Ensure that the inverter is normally connected to the grid.
  • Page 15 75-136KTL User manual Figure 2-2 Product front view and left view dimensions - 11 - Copyright © Shenzhen SOFARSOLAR Co., Ltd...

  • Page 16: Function Description

    75-136KTL User manual Figure 2-3 Product back view and bracket dimensions Labels on the equipment  Note: label must NOT be hidden with objects and extraneous parts (rags, boxes, equipment, etc.,); they must be cleaned regularly and kept visible at all times. Figure 2-4 Product label 2.2.
  • Page 17 75-136KTL User manual Board. Input Board also offer functions such as insulation impedance detection and input DC voltage/ current detection. DC power is converted to AC power by Power Board. AC power is filtered through Output Board then AC power is fed into the grid.

  • Page 18: Electrical Block Diagram

    75-136KTL User manual The PID effect can be recovered at night to protect the PV modules. 2.3. Electrical block diagram SOFAR 75~136KTL has 16-24 DC input strings. 8-12 MPPT trackers that converters the direct current of PV array to grid-compliant, three phase current and feeds in into the utility grid.

  • Page 19: Efficiency And Derating Curve

    75-136KTL User manual Figure 2-5 Schematic diaram (without N line) For SOFAR 100KTL-HV SOFAR 125KTL-HV SOFAR 136KTL-HV 2.4. Efficiency and derating curve - 15 - Copyright © Shenzhen SOFARSOLAR Co., Ltd...

  • Page 20: Others

    75-136KTL User manual 2.5. Others ● Initial short-circuit AC current is 756.7A-peak - 16 - Copyright © Shenzhen SOFARSOLAR Co., Ltd...
  • Page 21 75-136KTL User manual ● As indicated in VDE-AR-N 4105:2018-11, section 6 (Construction of the power generation system/network and system protection (NS protection), the requirements for the network and system protection differ depending on the maximum apparent power(SAmax ) of the generating and storage units connected to the same ∑SAmax network connection point.

  • Page 22: Inverter Storage

    75-136KTL User manual 3.Inverter Storage If inverter is not installing immediately, storage condition need meet below requirements: Place inverter into the original package and leave desiccant inside, sealed tight  with taps. Keep the storage temperature around -40℃～70℃, Relative humidity 0～95%, ...

  • Page 23: Installation

    75-136KTL User manual 4.Installation Outlines of this Chapter 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 a easy to reach location.
  • Page 24 75-136KTL User manual 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. Figure 4-1Components and mechanical parts that inside the package Pictures Description Quantity...

  • Page 25: Tools

    75-136KTL User manual M10*90Hexagon 4 pcs screws M6*30 Hexagon 2 pcs screws Manual 1 pcs Warranty Card 1 pcs Outgoing inspection 1 pcs report Quality Certificate 1 pcs COM 16pin connector 1 pcs 4.3. Tools Prepare tools required for installation and electrical connection as following table: - 21 - Copyright ©...
  • Page 26 75-136KTL User manual Figure 4-2 Installation tools Tool Description Function Hammer Drill Recommend Used to drill holes on the wall drill @ 10mm Use to tighten and loosen screws when installing AC Screwdriver power cable Use to remove AC connectors from the product Removal Tool Remove PV Connector...
  • Page 27 75-136KTL User manual M6 use to uninstall and install the front top cover and down cover Connect AC connector Torque wrench Use to crimp cable on grid Crimping Tool side, load side extensive cable Check grounding cable, PV Multimeter positive and negative pole Marker Mark signs Measuring...

  • Page 28: Determining The Installation Position

    75-136KTL User manual Installer wear when installing Safety goggles product Installer wear when installing Mask product 4.4. Determining the Installation Position Select a appropriate location to install the product to make sure the inverter can work in a high efficiency condition. When selecting a location for the inverter, consider the following: Note: Install vertical or backward tilt within 0-75°, Do not install forward or upside down!
  • Page 29 75-136KTL User manual Figure 4-2 Clearance for single inverter Note: Other requirement for install position: Install position should obstruct  the disconnect of power Place inverter in an appropriate  bearing capacity objects Location should be avoid touch  by children - 25 - Copyright ©...
  • Page 30 75-136KTL User manual Figure 4-3 Clearance for multiple inverters - 26 - Copyright © Shenzhen SOFARSOLAR Co., Ltd...

  • Page 31: Moving Of Inverter

    75-136KTL User manual 4.5. Moving of inverter 4.5.1 Manual handling Unload the inverter from package, horizontally move to the install position. When open the package, at least two operator insert the hands into the slots on both side of the inverter and hold the handles. Figure 4-4 Move inverter from package Keep the balance when lift the inverter.
  • Page 32 75-136KTL User manual Figure 4-5 auxiliary handle position 4.5.2 Lifting Equipment Tighten the screws of two M12 rings into the inverter sides according to the instruction diagram below (Note: M12 rings need self-preparation). Figure 4-6 Installation of Rings Fastened and tied the rope through two rings. Lifting inverter 50mm above ground by using lifting equipment, check the tightening device of the hoisting ring and rope.

  • Page 33: Installation

    75-136KTL User manual Keep balance when lifting the inverter, avoid to crash on wall or other objective Stop working in bad weather condition such as raining, heavy fog, winding Attention 4.6. Installation 4.6.1 Installed on wall： Step 1: Placed the rear panel on the mounting wall, determine the mounting height of the bracket and mark the mounting poles accordingly.
  • Page 34 75-136KTL User manual Figure 4-8 Drilling holes on the mounting wall Step 2: Insert the expansion bolt vertically into the hole； Figure 4-9 Screws into the holes Step 3: Align the rear panel with the hole positions, fix the rear panels on the wall by tightening the expansion bolt with the nuts Figure 4-10 Install rear panel Step 4: Lift the inverter and hang it on the rear panel,and fixing both side of...
  • Page 35 75-136KTL User manual Figure 4-11 Fix inverter 4.6.2 Bracket Installation： Step 1: Use wall mount bracket, ensure the pole position are in same level by using level rule and take a mark with maker. - 31 - Copyright © Shenzhen SOFARSOLAR Co., Ltd...
  • Page 36 75-136KTL User manual Figure 4-12 Ensure hole position Step 2: Drilling hole by using Hammer Drill, recommend to do a stain proofing Figure 4-13 Drilling holes Step 3: Use M10 screw and M10 flat washer to secure the wall bracket（Note： M10*50 screw and M10 flat washer need self-preparation）...
  • Page 37 75-136KTL User manual Note: If height between ground and bracket is less than 1.3m, use auxiliary handle for installation. Otherwise, use lifting equipment. Figure 4-15 Installation position of auxiliary handle - 33 - Copyright © Shenzhen SOFARSOLAR Co., Ltd...

  • Page 38: Electrical Connection

    75-136KTL User manual 5.Electrical Connection Outlines of this Chapter This section introduces the electrical connection for the product. Please read the information carefully, it may helpful to understand the grounding wiring, DC input connection, AC output connection and communication connection. Caution: Before performing electrical connections, ensure the DC switch is OFF and AC circuit breaker is OFF.

  • Page 39: Terminal Connector

    75-136KTL User manual 5.6 Communication Connection Introduce the propose WIFI/USB, COM and how to connect WIFI/USB port. 5.7 Safety check Before operate inverter, check the PV array, inverter DC side safety connection and AC side safety connection. 5.1. Electrical Connection Figure 5-1flowchart for connecting cables to the inverter 5.2.

  • Page 40: Grounding Connection (Pe)

    75-136KTL User manual RS485 RS485 Communication RS485/DRMs Modbus/DRMs port/DRMs port AC output AC output terminal terminals Connecting terminal of the Grounding ground, choose at least one for grounding connection 5.3. Grounding Connection (PE) Connect the inverter to the grounding electrode using ground cable. SOFAR 75-136kW is a transformerless inverter which requires the positive pole and negative pole of the PV array are NOT grounded.

  • Page 41: Connect Grid Side Of Inverter(Ac-Output)

    75-136KTL User manual Figure 5-3 Grounding connection instruction（2） Note 1: L3 is the length between the insulation layer of the ground cable and crimped part. L4 is the distance between the crimped part and core wires protruding from the crimped part. Note 2: The cavity formed after crimping the conductor crimp strip shall wrap the core wires completely.
  • Page 42 75-136KTL User manual 00515.pdf Inverter has a standard and integrated residual current monitoring unit (RCMU), when inverter detected continuous residual current excess 800mA, it will cut off with utility grid for protection. For external Residual Current Device (RCD), the rated continuous residual current shall be 800mA or higher.Type of RCD is the type of B.
  • Page 43 75-136KTL User manual 5.4.2 Wiring Terminal and Precautions Note： Before connect to grid, please ensure the grid voltage and frequency of local  grid meet the requirement of inverter , any question please seek local grid company for help. Inverter can only connect to grid after get the permission from local grid ...
  • Page 44 75-136KTL User manual Figure 5-6 OT/DT Requirement for terminal connection Figure 5-7 AC Terminal size 5.4.4 Wring Procedure The section will use a five core wire as a sample, four core wire has same connection process Figure 5-1 Recommend AC cable size Name Type Area(mm²)
  • Page 45 75-136KTL User manual Step 4：Remove the insulation layer of an appropriate length according to figure below. Step 5：Crimp the Terminal. Step 6：Depending on the grid configuration, connect L1, L2, L3 and N to the terminals according to the label and tighten the screw on the terminal using a screwdriver.
  • Page 46 75-136KTL User manual Note： Phase lines use M12 terminal connector, PE line use M8 terminal connector.  The position of“PE”Line and “N”Line should not be opposite. Opposite position may cause inverter permanently faulty. As shown in the figure below ,for HV model ,the N-wire does not need to be ...

  • Page 47: Connect Pv Side Of Inverter（Dc-Input

    75-136KTL User manual 5.5. Connect PV side of inverter（DC-Input） Note： Connecting PV strings into inverter must following the below procedure.  Otherwise, any faulty cause by inappropriate operation will be including in the warranty case. Ensure the maximum short circuit current of PV strings should less than the ...
  • Page 48 75-136KTL User manual Figure 5-8 DC cable connection（1） Step 2: Crimp the PV metal contact pin to the striped cable using a proper crimping pliers; Step 3: Insert wire into the connector cap nut and assemble into the back of male or female plug, When you heard a “click”, the pin tact assembly is seated correctly.
  • Page 49 75-136KTL User manual Figure 5-9DC cable connection Note ： Please use multimeter to make sure the PV array positive pole and negative pole! Dealing ： If need to remove the PV connector from inverter side, please use the Removal Tool as below diagram, move the connector gently. Before, moving the positive and negative connector, please make sure “DC Switch”...

  • Page 50: Communication Connection

    75-136KTL User manual 5.6. Communication Connection Note：When layout the wiring diagram, please separate the communication wiring and power wiring in case the signal be affected. 5.6.1 USB/WIFI Port Port Description： Use for updating the USB：USB PORT software USB/WIFI port connect WIFI：WIFI PORT Wi-Fi/GPRS/Ethernet for data transmission...
  • Page 51 75-136KTL User manual SOFAR 75-136KTL at its relevant website or APP according to monitoring device Figure 4-20 Connect one USB acquisition stick (WIFI version) to wireless router NOTE The operation information (generated energy, alert, operation status) of the inverter can be transferred to PC or uploaded to the server via WiFi/GPRSUsers can choose to use web or APP for monitoring and viewing according to their needs.
  • Page 52 75-136KTL User manual 5.6.2 COM—Multi function communication port Figure 5-3 Recommend com cable size Outer Name Type Area(mm²) diameter(mm) RS485 Outdoor shielded Communication twisted pair meets 3core：4~8 0.25~1 Wire local standards Port Description： Define Function Note RS485A RS485 signal+ Wire connection RS485A RS485 signal+ monitoring or multiple...
  • Page 53 75-136KTL User manual ④ ⑤ Communications Port Description Logic interface (a) Logic interface for AS/NZS 4777.2:2020, also known as inverter demand response modes (DRMs). The inverter will detect and initiate a response to all supported demand response commands within 2 s. The inverter will continue to respond while the mode remains asserted.
  • Page 54 75-136KTL User manual RRCR Table 4-4 Function description of the terminal Pin NO. Pin name Description Connected to (RRCR) Relay contact 1 input K1 - Relay 1 output Relay contact 2 input K2 - Relay 2 output Relay contact 3 input K3 - Relay 3 output Relay contact 4 input K4 - Relay 4 output...
  • Page 55 75-136KTL User manual RRCR Table 4-6 Function description of the terminal Pin NO. Pin name Description Connected to (RRCR) Relay contact 1 input K1 - Relay 1 output K1 - Relay 1 output Table 4-7 The inverter is preconfigured to the following RRCR power levels. Relay status: close is 1, open is 0 Active Power Power drop rate...
  • Page 56 75-136KTL User manual 5.6.2 for COM pin definition, and choose either of the two RS485 ports. Figure 5-12 A single SOFAR 75-136KTL connecting communications The length of the RS485 communication cable should be less  than 1000 m. The length of the WIFI communication cable should be less than ...
  • Page 57 75-136KTL User manual 1. Long press the “up” key to enter the parameter setting interface. 2. Long press the“up” key to enter the parameter setting menu. 3. Short press the“up”key to select menu 10 Set Set RefluxP. 4. Long press the “up”key to enter the password input interface, enter the password: 0001, after the password is input, long press the key to enter the anti-reverse flow enable selection interface.
  • Page 58 75-136KTL User manual Anti-backflow wiring diagram - 54 - Copyright © Shenzhen SOFARSOLAR Co., Ltd...

  • Page 59: Commissioning Of Inverter

    75-136KTL User manual 6.Commissioning of inverter Outlines this Chapter Introduce SOFAR 75-136KTL safety inspection and start processing 6.1. Cable Connection Inspection For first time operation, check the AC voltage and DC voltage are within the acceptable range Attention AC grid connection Use multimeter to confirm that three lines and PE line are connect correctly.
  • Page 60 75-136KTL User manual out of incorrect country code selection. If the inverter indicates any fault, please refer to Section 8.1 of this manual —— trouble shooting for help. - 56 - Copyright © Shenzhen SOFARSOLAR Co., Ltd...

  • Page 61: Operation Interface

    75-136KTL User manual 7.Operation interface Outlines of this chapter This section introduces the display, operation, buttons and LED indicator lights of SOFAR 75~136KTL Inverter. 7.1. Operation and Display Panel Buttons and Indicator lights Button: “ ” Short press UP button = go up “...

  • Page 62: Standard Interface

    75-136KTL User manual 7.2. Standard Interface LCD interface indicated inverter status, alarm information, communication connection, PV input current and voltage, grid voltage,current and frequency, today generation, total generation. Inverter working status, PV 1 -12 PV input voltage and current Inverter working status, PV generated power Inverter working status, today generated electricity Inverter working status, total generated electricity Inverter working status, grid voltage and current...
  • Page 63 75-136KTL User manual Inverter working status, grid voltage and frequency Inverter working status, Wi-Fi/ RS485 status Inverter faulty alarm When power turn on, LCD interface displays INITIALIZING, refer below picture. When control board successfully connected with communication board, the LCD display the current state of the inverter，display as shown in the figure below.
  • Page 64 75-136KTL User manual Inverter states includes: wait, check, normal, fault and permanent Wait:Inverter is waiting to Check State when reconnect the system. In this state, grid voltage value is between the max and min limits and so on; If not, Inverter will go to Fault State or Permanent State.

  • Page 65: Main Interface

    75-136KTL User manual 7.3. Main Interface Long press the down button under standard interface to enter into main interface, Main interface including below information: Normal ---------Long press DOWN button 1.Enter Setting 2.Event List 3.SystemInfo 4.Display Time 5.Software Update (A)Enter setting Interface as below： 1.Enter Setting --------Long press DOWN button 1.Set time...
  • Page 66 75-136KTL User manual Clean up the historical events recorded in the inverter. 4. Set Country Select the country grid parameters, or through the mobile APP. To import a country profile, a USB drive with valid country code is required. inserted then select and import the country profile in the "Set Country"...
  • Page 67 75-136KTL User manual AU-QLD India AU-VAR India-MV AUSGRID India-HV Horizon Australia-B PHI-MV Australia-C NewZealand AU-SA-HV NewZealand-MV Australia-MV NewZealand-HV ESP-RD1699 Brazil RD1699-HV Brazil-LV Turkey Brazil-230 Denmark Brazil-254 DK-TR322 Brazil-288 GR-Cont. SK-VSD GR-Island SK-SSE Netherland SK-ZSD Netherland-MV Norway Netherland-HV Norway-LV Belgium Mexico-LV Belgium-HV Thai-PEA UK-G99...
  • Page 68 75-136KTL User manual SKYWORTH Lithuania CSISolar Columbia CHINT Columbia-LV China-MV Saudi Arabia China-HV Long press button→enter interface→save the specific file into USB and insert USB into inverter communication port. For The Australian Market: For compliance with AS/NZS 4777.2:2020 please select from 002-000 Australia A (Australia Region A) 002-008 Australia B (Australia Region B) 002-009 Australia C (Australia Region C)
  • Page 69 75-136KTL User manual Region Australia A Australia B Australia C Zealand Under- Protective function 47Hz 47Hz 45Hz 45Hz frequency 1 limit value (F<) Trip delay time Maximum disconnectio n time Over- Protective frequency 1 function 52Hz 52Hz 55Hz 55Hz limit value (F>) Trip delay time...
  • Page 70 75-136KTL User manual (P) % of S rated Default volt-var settings for different regions are shown in the following table: Region Default value Voltage Inverter Australia A reactive output supplying sinking (Q) % of S rated Voltage Inverter Australia B reactive output supplying sinking...
  • Page 71 75-136KTL User manual turned off. 6. Set Energy Set the total power generation. You can modify the total power generation through this option. 7. Set address Set the address (when you need to monitor multiple inverters simultaneously) ， Default 01. 8.
  • Page 72 75-136KTL User manual RS-485 11. Logic interface Enable or disable logical interfaces. It is use for below standard Australia (AS4777), Europe General (50549), German(4105). 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.

  • Page 73: Updating Inverter Software

    75-136KTL User manual 001 ID04 06150825 Fault information (Display the event sequence number, event ID number, and event occurrence time ) (A) “SystemInfo” Interface as below 3.SystemInfo ------Long press DOWN button 1.Inverter Type 7.Input Mode 2.Serial Number 8.Remote State 3.General Soft Version 9.Reflux Power 4.General Hard Version 10.DRMs0...
  • Page 74 75-136KTL User manual Figure 7-1Remove communication broad cover Step 2：Insert USB into computer； Step 3：SOFARSOLAR service team will send the software code to user, After user receive the file, please decompressing file and cover the original file in USB flash drive.

  • Page 75: Trouble Shooting And Maintenance

    75-136KTL User manual 8.Trouble shooting and maintenance 8.1. Troubleshooting This section describes the potential errors for this product. Please read carefully for the following tips when doing the troubleshooting: 1) Check the warning message or faulty codes on the inverter information panel 2) If not any error code display on the panel, please check the following lists: —...
  • Page 76 75-136KTL User manual too low normal operating status when the electric grid’s back to normal. The grid frequency ID003 GridOFP If the alarm occurs frequently, check whether the is too high grid voltage/frequency is within the acceptable range. If yes, please check the AC circuit breaker and AC wiring of the inverter.
  • Page 77 75-136KTL User manual HwGFCIFaul Leakage current ID022 t(AC) sampling error(AC) Dc input current ID024 HwADErrIdc sampling error HwADErrDC ID025 I(DC) HwADErrIdc ID026 Branch ConsistentGF Leakage current ID029 consistency error ConsistentVg Grid voltage ID030 consistency error ConsistentDC DCI consistency ID031 error SpiCommFau SPI communication ID033...
  • Page 78 75-136KTL User manual Sink5 temperature protection Radiator 6 TempErrHeat ID055 temperature Sink6 protection Ambient ID057 TempErrEnv1 temperature 1 protection Ambient ID058 TempErrEnv2 temperature 2 protection Module 1 ID059 TempErrInv1 temperature protection Module 2 ID060 TempErrInv2 temperature protection Module 3 ID061 TempErrInv3 temperature protection...
  • Page 79 75-136KTL User manual Dci overcurrent ID082 DciOCP protection Output ID083 SwIOCP instantaneous current protection SwBuckBoos BuckBoost software ID084 tOCP flow Output effective SwAcRmsOC ID085 value current protection SwPvOCPIns PV overcurrent ID086 tant software protection PV flows in uneven ID087 IpvUnbalance parallel Unbalanced output ID088...
  • Page 80 75-136KTL User manual overcurrent wait for 5 minutes, then switch ON inverter. permanent failure Check whether the problem is solved. If no, please contact technical support. Permanent Bus ID130 PermBusOVP overvoltage failure Permanent Bus PermHwBus ID131 hardware overvoltage failure PermIpvUnba PV uneven flow ID132 lance...
  • Page 81 75-136KTL User manual SCI communication ID153 SCILose(DC) error (DC) SCILose SCI communication ID154 (AC) error (AC) SCILose SCI communication ID155 (Fuse) error (Fuse) Inconsistent Contact for technical support and software ID156 SoftVerError software versions upgrades. ForceShutdo ID161 Force shutdown The inverter is performed a forced shutdown RemoteShutd ID162 Remote shutdown...

  • Page 82: Anti-Pid

    75-136KTL User manual lost 8.2. Maintenance Inverters generally do not need any daily or routine maintenance. But ensure heat sink should not be blocked by dust, dirt or any other items.Before the cleaning, make sure that the DC SWITCH is turned OFF and the circuit breaker between inverter and electrical grid is turned OFF.
  • Page 83 75-136KTL User manual Before enabling the PID recovery function, ensure that the polarity of the pv module's ground voltage meets requirements. If in doubt, please contact the pv module manufacturer or read their corresponding user manual. If the voltage scheme of the PID protection/recovery function does not meet the requirements of the corresponding PV module, the PID function cannot work properly or may even damage the PV module.

  • Page 84: Technical Data

    75-136KTL User manual 9.Technical Data Outlines of this Chapter This topic lists the technical specifications for SORFAR 80-136KTL inverter 9.1. Input parameters (DC) SOFAR SOFAR SOFAR SOFAR SOFAR SOFAR SOFAR Parameter 100KTL 125KTL 136KTL 75KTL 80KTL 100KTL 110KTL Max input 26A*8 26A*10 26A*12...

  • Page 85: Output Parameter (Ac)

    75-136KTL User manual 9.2. Output Parameter (AC) SOFAR SOFAR SOFAR SOFAR SOFAR SOFAR SOFAR Parameter 100KTL 125KTL 136KTL 75KTL 80KTL 100KTL 110KTL Rated Power 75KW 80KW 100KW 110KW 100KW 125KW 136KW Max AC power 75KVA 88KVA 110KVA 121KVA 110KVA 137KVA 150KVA Rated output 108A...

  • Page 86: Performance Parameter

    75-136KTL User manual 9.3. Performance Parameter SOFAR SOFAR SOFAR SOFAR SOFAR SOFAR SOFAR Parameter 100KTL 125KTL 136KTL 75KTL 80KTL 100KTL 110KTL 98.60% 98.60% 98.70% 98.75% 98.80% 99.00% 99.00% efficiency European Weighted 98.20% 98.20% 98.30% 98.30% 98.50% 98.50% 98.51% efficiency MPPT >99.9% efficiency Safety...

  • Page 87: General Data

    75-136KTL User manual 9.4. General Data SOFAR SOFAR SOFAR SOFAR SOFAR SOFAR SOFAR 100KTL 125KTL 136KTL- Parameter 75KTL 80KTL 100KTL 110KTL Topology Transformless Operation -30～60℃ Temperature Relative 0%～100% humidity DC Switch Cooling Smart forced air cooling Altitude 2000m Dimension 995.5*663.5*368mm Display LCD+ Bluetooth +APP Mounting...

  • Page 88: Quality Assurance

    75-136KTL User manual 10. Quality Assurance Standard warranty period The standard warranty period of inverter is 60 months (5 years).There are two calculation methods for the warranty period: Purchase invoice provided by the customer: the first flight provides a standard warranty period of 60 months (5 years) from the invoice date;...
  • Page 89 75-136KTL User manual extended warranty card to the customer to confirm the extended warranty period. Invalid warranty clause Equipment failure caused by the following reasons is not covered by the warranty: 1) The "warranty card" has not been sent to the distributor or our company; 2) Without the consent of our company to change equipment or replace parts;...
  • Page 90 Product Name: Solar Grid-tied Inverter ADD: 11/F., Gaoxinqi Technology Building, No.67 Area, Xingdong Community, Xin’an Sub-district, Bao’an District, Shenzhen City,China Email: service@sofarsolar.com Tel: 0510-6690 2300 Web: www.sofarsolar.com...

This manual is also suitable for:

100k-136ktl-hv

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