1. Manuals
  2. Brands
  3. Sofar Manuals
  4. Inverter
  5. 100KTLX-G4
  6. User manual

Sofar 100KTLX-G4 User Manual

Hide thumbs Also See for 100KTLX-G4:
Table of Contents

Advertisement

Quick Links

Download this manual
SOFAR 100-125KTLX-G4
User Manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 100KTLX-G4 and is the answer not in the manual?

Questions and answers

Related Manuals for Sofar 100KTLX-G4

Summary of Contents for Sofar 100KTLX-G4

  • Page 1 SOFAR 100-125KTLX-G4 User Manual...

  • Page 2: Table Of Contents

    5.8 Feed-in limitation connecting line ............37 6 Commissioning of Inverter ..............38 6.1 Cable Connection Inspection ............38 6.2 Start Inverter ............... 38 7 SOFAR monitor APP ..............39 7.1 Software Downloads ..............39 7.2 Account registration and login ............39 7.3 Local Monitoring ..............40...
  • Page 3 SOFAR 100-125KTLX-G4 User Manual 8 Operation Interface ................ 43 8.1 Operation and Display Panel ............43 8.2 Standard Interface ..............43 8.3 Main Interface ..............45 8.4 Updating Inverter Software ............49 9 Trouble Shooting and Maintenance ............50 9.1 Troubleshooting ..............50 9.2 Maintenance ................55...

  • Page 4: Preface

    V1.3 20230908 Revised version Outline This manual is an integral part of SOFAR 100~125KTLX-G4. 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:...
  • Page 5 SOFAR 100-125KTLX-G4 User Manual Symbols Used The following types of safety instruction and general information appear in this document as described below: “ Danger” indicates a hazardous situation which, if not avoided, will result in death or serious injury. Danger “Warning”...

  • Page 6: Basic Safety Information

    Label and Symbols SOFAR 100~125KTLX-G4 has type label attach the side of product which contact important information and technical data, the type label must permanent attached to the product.
  • Page 7 SOFAR 100-125KTLX-G4 User Manual Please install the inverter according to the following section. Place inverter in an appropriate bearing capacity objects (such as solid brick wall, or strength equivalent mounting surface, etc.) and make sure inverter vertical placed. A proper installation location must have enough space for fire engine access in order for maintenance if faulty occur.

  • Page 8: Symbols And Signs

    SOFAR 100-125KTLX-G4 User Manual Maintenance and repair Before any repair work, turn OFF the AC circuit breaker between the inverter and electrical grid fi rst, then turn OFF the DC switch. After turning OFF the AC circuit breaker and DC switch wait for at least 5 minutes before carry any Danger maintenance or repair work.
  • Page 9 SOFAR 100-125KTLX-G4 User Manual Signs on the Product and on the Type Label SOFAR 100~125KTLX-G4 has some safety symbols on the inverter. Please read and fully understand the content of the symbols before installation. Name Explanation Symbols This is a residual voltage...

  • Page 10: Product Characteristics

    Introduce the electrical block diagram of the product 2.1 Intended Use SOFAR 100~125KTLX-G4 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 11: Function Description

    SOFAR 100-125KTLX-G4 User Manual Product Dimensions The choice of optional parts of inverter should be made by a qualified technician who knows the installation conditions clearly. Dimensions Description •SOFAR 100~125KTLX-G4 L×W×H=970*695*325mm Figure 2 - 2 Product front view and left view...

  • Page 12: Electrical Block Diagram

    2.3 Electrical Block Diagram SOFAR 100~125KTLX-G4 has 20 DC input strings. 10 MPPT trackers that converters the direct current of PV array to grid-compliant, three phase current and feeds in into the utility grid. Both DC and AC side has Surge Protection Device (SPD).

  • Page 13: Others

    SOFAR 100-125KTLX-G4 User Manual 2.4 Others  Initial short-circuit AC current is 756.7A-peak  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∑SAmax) of the generating and storage units connected to the same...

  • Page 14: Inverter Storage

    SOFAR 100-125KTLX-G4 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 5~95%, no condensation Figure 3-1 Storage temperature and humidity ...

  • Page 15: Installation

    SOFAR 100-125KTLX-G4 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 fl ammable material. Do not store this product in potentially explosive atmospheres.
  • Page 16 SOFAR 100-125KTLX-G4 User Manual Table 4-1 Components and mechanical parts that inside the package ① ② SOFAR 100-125KTLX-G4 Rear Panel x1 pcs x1 pcs ③ ④ PV+ input connector x20pcs PV- input connector x20pcs ⑤ ⑥ PV+ metal pin x20pcs PV- metal pin x20pcs ⑦...

  • Page 17: Tools

    SOFAR 100-125KTLX-G4 User Manual 4.3 Tools Prepare tools required for installation and electrical connection as following table: Table 4-2 Installation tools ② Description: Screwdriver Description: Hammer Drill Recommend Function: Use to tighten and loosen screws drill @ 10mm when installing AC power cable...

  • Page 18: Determining The Installation Position

    SOFAR 100-125KTLX-G4 User Manual 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 19: Moving Of Inverter

    SOFAR 100-125KTLX-G4 User Manual Figure 4-3 Clearance for multiple inverters 4.5 Moving of Inverter 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.

  • Page 20: Installation

    SOFAR 100-125KTLX-G4 User Manual 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. Drilling holes by using Hammer Drill, keep the hammer drill perpendicular to the wall and make sure the position of the holes should be suitable for the expansion bolts.
  • Page 21 SOFAR 100-125KTLX-G4 User Manual Step 4 ： Lift the inverter and hang it on the rear panel, and fixing both side of inverter with M6 screw (accessories). Figure 4-8 Fix inverter...
  • Page 22 SOFAR 100-125KTLX-G4 User Manual 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. Figure 4-9 Ensure hole position Step 2：Drilling hole by using Hammer Drill, recommend to do a stain proofing.
  • Page 23 SOFAR 100-125KTLX-G4 User Manual Step 4：Lift the inverter and hang it on the wall bracket, and fixing both side of Inverter with M6 screw. Repeat 4.6.1 step 4. Note: The stand must be firmly anchored to the ground to avoid shaking and tipping.

  • Page 24: Electrical Connection

    SOFAR 100-125KTLX-G4 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.

  • Page 25: Terminal Connector

    SOFAR 100-125KTLX-G4 User Manual 5.2 Terminal Connector Figure 5-1 Introduction to terminal blocks *Take picture as reference Name Description DC input terminals PVX+/PVX- PV connector USB/WIFI port USB/WIFI For WIFI Communication RS485 Modbus/DRMs RS485/DRMs RS485 Communication port/DRMs port AC output terminals...

  • Page 26: Grounding Connection (Pe)

    Connect the inverter to the grounding electrode using ground cable. SOFAR 100~125KTLX-G4 is a transformerless inverter which requires the positive pole and negative pole of the PV array are NOT grounded. Otherwise, it will cause inverter failure. In the PV system, all non-cur- rent-carrying metal parts (such as mounting frame, combiner box enclosure, etc.) should be...

  • Page 27: Connect Grid Side Of Inverter (Ac-Output)

    SOFAR 100-125KTLX-G4 User Manual A.M8 hexagon screw B. grounding cable Figure 5-4 Inverter external grounding instruction diagram Note : For improving anti-corrosion performance, after ground cable installed, apply silicone or paint is preferred to protect. 5.4 Connect Grid Side of Inverter (AC-Output) For Belgium, one of the following links is required for external AC relay.
  • Page 28 SOFAR 100-125KTLX-G4 User Manual Figure 5-5 Open wiring box 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.
  • Page 29 SOFAR 100-125KTLX-G4 User Manual Figure 5-7 AC Terminal size 5.4.3 Wring Procedure The section will use a five core wire as a sample, single core wire has same connection process Table 5-1 Recommend AC cable size Type Multi-core cable Single-core cable O.D.
  • Page 30 SOFAR 100-125KTLX-G4 User Manual 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. single core cable is wired as follows:...
  • Page 31 SOFAR 100-125KTLX-G4 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. Step 7: Closed wiring box cover, and tighten the screw.

  • Page 32: Connect Pv Side Of Inverter

    SOFAR 100-125KTLX-G4 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 maximum inverter DC current input.
  • Page 33 SOFAR 100-125KTLX-G4 User Manual 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. (3. Positive connector, 4. Negative connector);...

  • Page 34: Wiring Method Recommended

    SOFAR 100-125KTLX-G4 User Manual 5.6 Wiring method recommended The inverter has a total of 20 DC input terminals, of which the branch route of MPPT1~MPPT4 is controlled by DC SWITCH 1, the branch route of MPPT5~MPPT7 is controlled by DC SWITCH 2 and the branch route of MPPT8~MPPT10 is controlled by DC SWITCH 3.
  • Page 35 By the USB acquisition stick (WiFi), transfer the inverter power output information, alarm information, operation state to the PC terminal or local data acquisition device, then uploaded to the server. Register remote monitoring of SOFAR 100~125KTLX-G4 at its relevant website or APP according to monitoring device SN.
  • Page 36 SOFAR 100-125KTLX-G4 User Manual 5.7.2 COM—Multi function communication port Table 5-3 Recommend com cable size Name Type Outer diameter(mm) Area(mm²) Outdoor shielded twisted pair meets 3core：4~8 RS485 Communication Wire 0.25~1 local standards Port Description： COM1: Define Function Note RS485A RS485 signal+...
  • Page 37 SOFAR 100-125KTLX-G4 User Manual 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 38 SOFAR 100-125KTLX-G4 User Manual 1 or 0 1 or 0 1 or 0 100% 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. Figure 5-13 Inverter – RRCR Connection...
  • Page 39 Figure 5-14 Picture of the RS485/USB converter and PC terminal If only one SOFAR 100~125KTLX-G4 is used, use a communication cable, refer to section 7.2 for COM pin definition, and choose either of the two RS485 ports.

  • Page 40: Feed-In Limitation Connecting Line

    SOFAR 100-125KTLX-G4 User Manual 5.8 Feed-in limitation connecting line With this function, one single inverter can dynamically limit its output power to keep the feed-in power at the point of common coupling (PCC) below a defined setpoint. To use the feed-in limitation function, an external SmartMeter has to be connected to measure the power flow at the PCC: The arrow of the CT’s must point to the grid.

  • Page 41: Commissioning Of Inverter

    Step 3:Setting the PV input mode, when parallel connection exists in the MPPT, or when a PV busbar is used, the parallel connection mode needs to be set via the LCD. When the DC power generated by the solar array is enough, the SOFAR 100~125KTLX-G4 inverter will start automatically. Screen showing“normal”indicates correct operation.

  • Page 42: Sofar Monitor App

    7.1 Software Downloads (1) Download and install through the App Market. Android mobile phone users: Search for "SOFAR Monitor" in the Android application market (Pea Pod, Baidu, etc.). iPhone users search for "SOFAR Monitor" in the APP Store to download and install.

  • Page 43: Local Monitoring

    7.2.2 login If you already have a SOFAR Monitor account, log in directly on the login page. You can log in by mobile phone number, email address, and username. After logging in successfully, go to the homepage of Shouhang Monitor.
  • Page 44 SOFAR 100-125KTLX-G4 User Manual Step 1: Entering the application interface, enter the sidebar, and click [Local Control], in the page, you can connect the mobile phone and the inverter through Bluetooth communication to realize near-fifield operation and maintenance, debugging, upgrade and safety import and other functions Step 2: Enter the "Connect Bluetooth"...

  • Page 45: App Operation Manual

    SOFAR 100-125KTLX-G4 User Manual After successfully connecting the device, enter the Bluetooth homepage. 7.4 APP operation manual For APP function introduction and specific operation, please click [≡] in the upper left corner of the page, enter the sidebar, and click [Personal Settings]>> [About Software] >> [Operation Manual] to view detailed operation...

  • Page 46: Operation Interface

    SOFAR 100-125KTLX-G4 User Manual 8 Operation Interface Outlines of this chapter This section introduces the display, operation, buttons and LED indicator lights of SOFAR 100~125KTLX-G4 Inverter. 8.1 Operation and Display Panel Buttons and Indicator lights Button: “^” Short press UP button = go up；“^” Long press UP button = exit current interface；...
  • Page 47 SOFAR 100-125KTLX-G4 User Manual Inverter working status, total generated electricity Inverter working status, grid voltage and current 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.

  • Page 48: Main Interface

    SOFAR 100-125KTLX-G4 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 49 Set the address (when you need to monitor multiple inverters simultaneously)，Default 01. 8.Set Input mode SOFAR 100~125KTLX-G4 has 10 MPPTs, these MPPTs can work interdependently, or divided into parallel mode. User can change the setting according to the configuration. For example, when the input channel types are all PV1, it is parallel mode.
  • Page 50 SOFAR 100-125KTLX-G4 User Manual 11.Hard Reflux Set hard anti-reflux switch and percentage. 12.Logic interface Enable or disable logical interfaces. It is use for below standard Australia (AS4777), Europe General (50549), German(4105). 13.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 51 SOFAR 100-125KTLX-G4 User Manual Long press DOWN button 1.Inverter Type 11.Reflux Enable 2.Serial Number 12.Reflux Power 3.General Soft Version 13.DRMs0 4.General Hard Version 14.DRMn SystemInfo 5.Safety 15.Mppt Scan 6.SafetySWVer 16.Active Power 7.Safety Hardver 17.PCC Select 8.Modbus Address 18. Power Ration 9.Input Mode...

  • Page 52: Updating Inverter Software

    User Manual 8.4 Updating Inverter Software SOFAR 100~125KTLX-G4 inverter offer software upgrade via USB flash drive to maximizeinverter performance and avoid inverter operation error caused by software bugs. Step 1: Turn off AC circuit breaker and DC switch, remove the communication board cover as below figure. If the RS485 line has been connected, please release the waterproof nut first and make sure the communication line is no longer the force.

  • Page 53: Trouble Shooting And Maintenance

    SOFAR 100-125KTLX-G4 User Manual 9 Trouble Shooting and Maintenance 9.1 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 54 SOFAR 100-125KTLX-G4 User Manual If the grid voltage/frequency is NOT within the acceptable range and AC wiring is correct, but the alarm occurs repeatedly, contact technical support to change the grid over-voltage, under-voltage, over-frequency, under-frequency protection points after obtaining ID011...
  • Page 55 SOFAR 100-125KTLX-G4 User Manual Check whether the problem is solved. If no, please contact technical support. Check the insulation resistance between the photovoltaic array and ground (ground), if there ID042 IsoFault Low insulation impedance is a short circuit, the fault should be repaired in time.
  • Page 56 SOFAR 100-125KTLX-G4 User Manual correction, the inverter will automatically return to its normal state. ID071 LLCBusOVP LLC BUS overvoltage protection Inverter bus voltage RMS software ID072 SwBusRmsOVP overvoltage Inverter bus voltage instantaneous value ID073 SwBusIOVP software overvoltage Dci overcurrent ID082...
  • Page 57 SOFAR 100-125KTLX-G4 User Manual ID117 VoltLoading AC voltage is too low Output hardware overcurrent permanent ID129 PermHwAcOCP failure ID130 PermBusOVP Permanent Bus overvoltage failure Internal faults of inverter, switch OFF ID131 PermHwBusOVP Permanent Bus hardware overvoltage failure inverter, wait for 5 minutes, then switch ON inverter.

  • Page 58: Maintenance

    SOFAR 100-125KTLX-G4 User Manual The inverter is performed with a Drms0 ID162 RemoteShutdown Remote shutdown shutdown inverter performed remote ID163 Drms0Shutdown Drms0 shutdown shutdown The inverter is performed for remote load ID165 RemoteDerating Remote derating reduction The inverter is loaded by the execution logic...

  • Page 59: Pid Recovery

    SOFAR 100-125KTLX-G4 User Manual 9.3 PID Recovery When the inverter is running, the PID function module increases the potential between the negative pole of the photovoltaic array and the ground to a positive value to suppress the PID effect. Note：...

  • Page 60: Maintenance

    SOFAR 100-125KTLX-G4 User Manual 10 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 61: Replacing A Fan

    SOFAR 100-125KTLX-G4 User Manual Step 3: Use a soft-bristled brush or vacuum cleaner to clean dust and debris from the surface of the fan. Step 4: Follow step 2 to align the fan bracket with the mounting position, push in the fan bracket and connect the connection terminals.
  • Page 62 SOFAR 100-125KTLX-G4 User Manual Step 3: Cut the cable ties of the faulty fan (fan 3 is used as an example below, other fans work in the same way). Step 4: Remove the faulty fan Step 5: Install the new fan, following the order of steps 4,3.

  • Page 63: Technical Data

    SOFAR 100-125KTLX-G4 User Manual 11 Technical Data Outlines of this Chapter This topic lists the technical specifications for SOFAR 100~125KTLX-G4 inverter. 11.1 Parameter Table SOFAR SOFAR SOFAR SOFAR Datasheet 100KTLX-G4 110KTLX-G4 125KTLX-G4 125KTLX-G4-A Input (DC) Max. input voltage 1100V Rated input voltage...
  • Page 64 SOFAR 100-125KTLX-G4 User Manual Ambient temperature range -30℃~+60℃ Topology Transformerless Degree of protection IP66 Allowable relative humidity range 0~100% Max. operating altitude 4000m(>3000m derating) Weight 75kg Cooling Smart air cooling Dimension(W × H × D) 970*695*325mm Display LCD & Bluetooth +APP...
  • Page 65 SOFAR 100-125KTLX-G4 User Manual...

This manual is also suitable for:

110ktlx-g4125ktlx-g4125ktlx-g4-a125ktl-g4100ktl-g4

Table of Contents