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
USER
MANUAL
SOFAR 100~125KTLX-G4
Shenzhen SOFARSOLAR Co.,Ltd.

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

Subscribe to Our Youtube Channel

Related Manuals for Sofar 100KTLX-G4

Summary of Contents for Sofar 100KTLX-G4

  • Page 1 USER MANUAL SOFAR 100~125KTLX-G4 Shenzhen SOFARSOLAR Co.,Ltd.

  • Page 2: Table Of Contents

    CONTENTS Preface Basic Safety Information 1.1 Requirement for Installation and Maintenance 1.2 Symbols and Signs Product Characteristics 2.1 Intended Use 2.2 Function Description 2.3 Electrical Block Diagram 2.4 Others Inverter Storage Installation 4.1 Installation Process 4.2 Checking Before Installation 4.3 Tools 4.4 Determining the Installation Position 4.5 Moving of Inverter 4.6 Installation...
  • Page 3 5.6 Wiring method recommended 5.7 Communication Connection 5.8 Feed-in limitation Commissioning of inverter 6.1 Cable Connection Inspection 6.2 Start Inverter SOFAR monitor APP 7.1 Software Downloads 7.2 Account registration and login 7.3 Local Monitoring 7.4 APP operation manual Operation interface 8.1 Operation and Display Panel...

  • Page 4: Preface

    V1.2 20231001 Revised version Outline This manual is an integral part of SOFAR . It describes theassembly, installation, commissioning, maintenance and failure of the product. Please read it carefully before operating Scope of Validity This manual contains important instructions for: SOFAR 100KTLX-G4; SOFAR 110KTLX-G4;...
  • Page 5 100~125KTLX-G4 User Manual Symbols Used The following types of safety instruction and general information appear in this document as described below: DANGER “Danger”indicates a hazardous situation which, if not avoided, will result in death or serious injury. WARNING “Warning”indicates a hazardous situation which, if not avoided,could result in death or serious injury CAUTION “Caution”indicates a hazardous situation which, if not avoided, could result in minor or...

  • 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. SOFAR 100~125KTLX-G4 has warming symbol attache the product which contact information of...
  • Page 7 100~125KTLX-G4 User Manual Installation location requirement 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 wall ventilated environment and have enough air cooling cycle.
  • Page 8 100~125KTLX-G4 User Manual Operation DANGER Do not touch non-insulated cable ends, DC conductors and any live components of the inverter. Attention to any electrical relevant instruction and document. ATTENTION Enclosure or internal components may get hot during operation. Do not touch hot surface or wear insulated gloves.

  • Page 9: Symbols And Signs

    (including in low temperature condition). Any damage cause by overvoltage, SOFARSOLAR will not take the responsibility including warranty 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. Symbols...
  • Page 10 100~125KTLX-G4 User Manual The product can get hot during operation. Avoid contact Caution of hot during operation. Prior to performing any work on the surface Comply with the Conformite Europeenne (CE) Grounding This symbol indicates the position for the connections of Terminal an additional equipment grounding conductor Read all documentation supplied with the product before...

  • Page 11: Product Characteristics

    2.1 Intended Use SOFAR 100~125KTLX-G4 is suitable for commercial 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. Grid...

  • Page 12: Function Description

    100~125KTLX-G4 User Manual Dimensions Description • SOFAR 100~125KTLX-G4 L×W×H=970*695*325mm Figure 2-2 Product front view and left view dimensions 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.,);...

  • Page 13: Electrical Block Diagram

    G. PID recovery 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 14: Others

    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 the generating and storage units connected to the same network connection point. • A. a central NS protection at the central meter panel or decentralized in a sub-distribution; or B.

  • Page 15: Inverter Storage

    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. • sation Figure 3-1 Storage temperature and humidity •...

  • Page 16: Installation

    100~125KTLX-G4 User Manual 4. Installation Outlines of this Chapter This topic describes how to install this product, please read carefully before install. DANGER Do not store this product in potentially explosive atmospheres. CAUTION The enclosure and heat sink will get hot during operation, please do not mount the product at a easy to reach location.
  • Page 17 100~125KTLX-G4 User Manual Table 4-1 Components and mechanical parts that inside the package SOFAR Rear Panel×1pcs 100~125KTLX-G4 ×1pcs PV- input connector PV+ input connector ×20pcs ×20 pcs PV+ metal pin PV- metal pin ×20pcs ×20pcs M10*90 Hexagon M6*30 Hexagon screws×4pcs screws×2pcs...

  • Page 18: Tools

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

  • Page 19: Determining The Installation Position

    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 Note: Install vertical or backward tilt within 0-75°, Do not install forward or upside down! Vertical installation Tilt back installation 0...75°...

  • Page 20: Moving Of Inverter

    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 21: Installation

    100~125KTLX-G4 User Manual 4.6 Installation Installed on wall 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 22 100~125KTLX-G4 User Manual M6 screw (accessories). Figure 4-8 Fix inverter...
  • Page 23 100~125KTLX-G4 User Manual Bracket Installation: 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 Figure 4-10 Drilling holes Figure 4-11 Fix wall bracket...
  • Page 24 100~125KTLX-G4 User Manual with M6 screw. Repeat 4.6.1step4...

  • Page 25: Electrical Connection

    100~125KTLX-G4 User Manual 100~125KTLX-G4 User Manual 5. Electrical Connection 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 26: Electrical Connection

    100~125KTLX-G4 User Manual 5.1 Electrical Connection Connect AC output Start Connect PGND cable power cable Connect communication cables Connect DC input cable 5.2 Terminal Connector Connector description as below: Figure 5-1 Introduction to terminal blocks *Take picture as reference Mark Name DC input terminals PVX+/PVX-...

  • Page 27: Grounding Connection (Pe)

    100~125KTLX-G4 User Manual 5.3 Grounding Connection (PE) Connect the inverter to the grounding electrode using ground cable. NOTE negative pole of the PV array are NOT grounded. Otherwise, it will cause inverter failure. In the PV system, all non-current-carrying metal parts (such as mounting frame, combiner box enclosure, etc.) should be connected to earthed.

  • Page 28: Connect Grid Side Of Inverter(Ac-Output)

    100~125KTLX-G4 User Manual the grounding cable to the grounding point and tighten the grouping screw. Torque is 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.
  • Page 29 100~125KTLX-G4 User Manual Step 2: Open wiring box cover. Figure 5-5 Open wiring box 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 company.
  • Page 30 Type cable cable Module SOFAR Copper Wire:95...185 Step 1: Open the cover, refers to section 5.4.1. Step 2: Turn OFF the AC circuit breaker and secure against reconnection. Step 3: Unscrew the nut of the AC terminal block and select the sealing ring according to the outer diameter of the cable.
  • Page 31 100~125KTLX-G4 User Manual Step 6: according to the label and tighten the screw on the terminal using a screwdriver. single core cable is wired as follows: Note: of“PE”Line and “N”Line should not be opposite. Opposite position may cause inverter perma- nently faulty.
  • Page 32 100~125KTLX-G4 User Manual 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 33 100~125KTLX-G4 User Manual Step 3: Insert wire into the connector cap nut and assemble into the back of male or female connector, 4. Negative connector); Click Step 4: Measure PV voltage of DC input with multimeter, verify DC input cable polar and connect DC connector with inverter until hearing a slight sound indicated connection succeed Figure 5-9 DC cable connection Dealing: If need to remove the PV connector from inverter side, please use the Removal...

  • Page 34: Wiring Method Recommended

    100~125KTLX-G4 User Manual 5.6 Wiring method recommended It is recommended that all PV input terminals be evenly distributed on MPPT1~MPPT10 branch- es, and the maximum current of each MPPT is controlled at 40 A, and the maximum current of generation capacity of the photovoltaic string and extend the service life of the inverter, when terminals is as follows: Enter the number Twelve...

  • Page 35: Communication Connection

    100~125KTLX-G4 User Manual 5.7 Communication Connection Note: When layout the wiring diagram, please separate the communication wiring and power Port Description: Use for updating the software Use for connect WIFI for data transmission Procedure: 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 APP according to monitoring device SN.
  • Page 36 100~125KTLX-G4 User Manual Name Type Area(mm²) Outdoor shielded twisted RS485 Communication Wire pair meets local standards Port Description: COM1: Name Note RS485A RS485 signal+ RS485A RS485 signal+ Wire connection monitoring or RS485B RS485 signal- multiple inverter monitoring RS485B RS485 signal- Electric meter RS485A Electric meter RS485 signal+ Wire connection Electric meter...
  • Page 37 100~125KTLX-G4 User Manual Logic interface (DRMs). The inverter will detect and initiate a response to all supported demand response commands Table 5-4 Function description of the DRMs terminal DRM1/5 DRM4/8 GND.S DRM0 The inverter will detect and initiate a response to all supported demand response commands Table 5-5 Function description of the terminal Pin name Relay contact 1 input...
  • Page 38 100~125KTLX-G4 User Manual Relay status: close is 1, open is 0 1 or 0 1 or 0 1 or 0 1 or 0 1 or 0 1 or 0 100% seconds following an instruction being received at the input interface. Pin name Relay contact 1 input Relay status: close is 1, open is 0...
  • Page 39 100~125KTLX-G4 User Manual By RS485 interface, transfer the inverter power output information, alarm information, opera- tion state to the PC terminal or local data acquisition device, then uploaded to the server. RS 485/USB Figure 5-14 Picture of the RS485/USB converter and PC terminal RS 485/USB RS485+ RS485-...

  • Page 40: Feed-In Limitation

    100~125KTLX-G4 User Manual 5.8 Feed-in limitation Generation and Export Limit Control functions for the inverter are available but require the use of an external measurement device to obtain grid information. There are 1 ways to obtain grid information: Meter + CT (optional) Note: CT and Meter is supplied separately to the inverter.
  • Page 41 100~125KTLX-G4 User Manual To use the feed-in limitation function, an external SmartMeter has to be connected to measure P1 P2 Gird 2 5 8 10 1 3 4 6 7 9 11 12 13 14 16 17 19 21 24 25...

  • Page 42: Commissioning Of Inverter

    100~125KTLX-G4 User Manual 6. Commissioning of inverter 6.1 Cable Connection Inspection ATTENTION AC grid connection string is lower than the inverter max DC input. 6.2 Start Inverter Step 1: Turn ON the DC switch. Step 2: Turn ON the AC circuit breaker. will start automatically.

  • Page 43: Sofar Monitor App

    "SOFAR Monitor" in the APP Store to download and install. SOFAR Monitor download 7.2 Account registration and login If you do not have an account with SOFAR Monitor, please click {Register Account} at the bottom of the login screen to register.
  • Page 44 100~125KTLX-G4 User Manual On the "Account Type" screen, click "I am a merchant", and then follow the prompts to complete the user account registration. At present, mobile phone number or email account is supported for account registration; Please follow the prompts to correctly enter your mobile phone number or email account, set a login password and verify it;...

  • Page 45: Local Monitoring

    100~125KTLX-G4 User Manual 7.3 Local Monitoring Please turn on your phone's Bluetooth in advance before using this function. 7.3.1 Bluetooth connection Selection of connection method 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 other functions.
  • Page 46 100~125KTLX-G4 User Manual Click [Scan] will prompt you to turn on the After clicking [Search], it will jump to the camera on the phone, scan the SN list of Bluetooth devices and start number barcode on the inverter to start searching for nearby available Bluetooth searching for the Bluetooth of the devices, and select the device that needs...

  • Page 47: App Operation Manual

    100~125KTLX-G4 User Manual 7.4 APP operation manual page, enter the sidebar, and click [Personal Settings]>> [About Software] >> [Operation Manual] to view detailed operation information.

  • Page 48: Operation Interface

    100~125KTLX-G4 User Manual 8. Operation interface This section introduces the display, operation, buttons and LED indicator lights of SOFAR 8.1 Operation and Display Panel Button: 8.2 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.
  • Page 49 100~125KTLX-G4 User Manual 4.Inverter working status, total generated electricity electricity 5.Inverter working status, grid voltage and current frequency 8.Inverter faulty alarm status 9.When power turn on, LCD interface displays INITIALIZING, refer below picture 10.When control board successfully connected with communication board, the LCD display the Wainting states ,Countdown 10S normal check...

  • Page 50: Main Interface

    100~125KTLX-G4 User Manual Check: Inverter is checking isolation resistor, relays, and other safety requirements. It also does self-test to ensure inverter software and hardware are well functional. Inverter will go to Fault State or Permanent State if any error or fault occurs. Normal: Fault State or Permanent state if any error or fault occurs.
  • Page 51 100~125KTLX-G4 User Manual Long press the button to Enter the main interface of "1.Enter Setting" and long press to enter Note1: Some settings need to enter the password (the default password is 0001), when entering long press after entering the correct password.If "password error, try again" appears, you will need to re-enter the correct password.
  • Page 52 100~125KTLX-G4 User Manual 14.Set Power Derating Set active load shedding function switch , percentage load shedding. 15.PCC Select Select the parallel network sampling method. Enable or disable PID function. When the PID module is enabled(enter the default password: 0001),it will work between 0 a.m. and 4 a.m. 17.Set Baud Select the protocol type and set the baud rate.
  • Page 53 100~125KTLX-G4 User Manual New Zealand Under- Protective function limit value frequency 1 Trip delay time Maximum disconnection time Protective function limit value Over- Trip delay time frequency 1 (F>) Maximum disconnection time Voltage Australia A Inverter output (P) % of Srated 100% 100% Voltage...
  • Page 54 100~125KTLX-G4 User Manual Event List is used to display the real-time event records, including the total number of events 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. Please refer to below picture.

  • Page 55: Updating Inverter Software

    100~125KTLX-G4 User Manual 8.4 Updating Inverter Software inverter performance and avoid inverter operation error caused by software bugs. Step 1: make sure the communication line is no longer the force. Then remove the waterproof cover. Step 2: Step 3: SOFARSOLAR service team will send the software code to user, After user receive the Step 4: Step 5: Then turn on DC switch and enter into the online upgrade to the main menu”5.Software interface of LCD.

  • Page 56: Trouble Shooting And Maintenance

    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 •...
  • Page 57 100~125KTLX-G4 User Manual Code Name Solution Power grid line under-frequency protection points after obtaining ID011 VGridLineFault approval from the local electrical grid operator. voltage error Inverter voltage error InvVoltFault Anti-countercurrent overload grid voltage imbalance ID014 VGridUnbalance Power grid current HwADErrIGrid sampling error Wrong sampling of dc ID018...
  • Page 58 100~125KTLX-G4 User Manual Code Name Solution HwAuxPowerFault Auxiliary power error Inverter soft startup InvSoftStartFail failed Check whether the photovoltaic module connection Arc shutdown ArcShutdownAlarm line and terminals have bad arc contact. If there is a protection fault, please repair the fault in time. Internal faults of inverter, switch OFF inverter, wait for 5 minutes, then switch ON inverter.
  • Page 59 100~125KTLX-G4 User Manual Code Name Solution protection Inverter Module Temperature Unbalanced bus BusRmsUnbalance voltage RMS Internal faults of inverter, switch OFF inverter, wait The transient value of bus for 5 minutes, then switch ON inverter. Check BusInstUnbalance voltage is unbalanced whether the problem is solved.
  • Page 60 100~125KTLX-G4 User Manual Code Name Solution Inverter bus balance ID090 IbalanceOCP current protection Software AC Over ID091 SwAcCBCFault Current Protection Inverter bus hardware ID098 HwBusOVP overvoltage BuckBoosthardware ID099 HwBuckBoostOCP PV hardware HwPVOCP Ac output hardware HwACOCP ID104 over-current Meters communication ID105 MeterCommFault Check whether the meters wiring is correct.
  • Page 61 100~125KTLX-G4 User Manual Code Name Solution Output transient overcurrent PermAcOCPInstant permanent failure PPermanent failure of PermIacUnbalance unbalanced output current Input mode setting error PermInCfgError permanent failure Check the PV input mode (parallel/independent mode) Settings for the inverter. If not, change the PV Input overcurrent input mode.
  • Page 62 100~125KTLX-G4 User Manual Code Name Solution Drms0Shutdown Drms0 shutdown The inverter is performed a remote shutdown The inverter is performed for remote load RemoteDerating Remote derating reduction The inverter is loaded by the execution logic LogicIfDerating Logic interface derating interface The inverter is implemented to prevent countercurrent load drop Please check whether the fan 1 of inverter is...

  • Page 63: Pid Recovery

    100~125KTLX-G4 User Manual 9.2 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 Before enabling the PID recovery function, ensure that the polarity of the pv module's ground voltage meets requirements.

  • Page 64: Maintenance

    100~125KTLX-G4 User Manual Fan maintenance and replacing 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 65 100~125KTLX-G4 User Manual Step 2: Cut the ties holding the fan cable, unplug the connection terminals, and pull out the fan bracket. Step 3: Use a soft-bristled brush or vacuum cleaner to clean dust and debris from the surface of the fan. Step 4: bracket and connect the connection terminals.

  • Page 66: Replacing A Fan

    100~125KTLX-G4 User Manual 10.2 Replacing a Fan 1. Before replacing a fan, power f the inverter. Step 1: Remove the screw on the fan tray and save it, Extract the fan bracket about 5-10cm. Step 2: Cut the ties holding the fan cable, unplug the connection terminals, and pull out the fan bracket.
  • Page 67 100~125KTLX-G4 User Manual Step 4: Remove the faulty fan. Step 5: Step 6: Clean the fan bracket to make sure there are no foreign objects left behind. Step 7: bracket and connect the connection terminals. Then tighten the screws on the fan bracket according to step 1.

  • Page 68: Technical Data

    100~125KTLX-G4 User Manual 11. Technical Data 11.1 Parameter Table: Max. input voltage 1100V Rated input voltage Start-up voltage MPPT operating voltage range 180V...1000V Number of MPP trackers Number for DC inputs Max. input MPPT current 10*40A Max. input short circuit current 10*50A Rated output power 100kW...
  • Page 69 100~125KTLX-G4 User Manual Protection DC reverse polarity protection Anti-islanding protection Leakage current protection Ground fault monitoring PV-array string fault monitoring DC switch AFCI PV: type II standard AC: type II Standard General Data Ambient temperature range Topology Transformerless Degree of protection Allowable relative humidity range 0...100% Max.
  • Page 70 100~125KTLX-G4 User Manual Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.
  • Page 71 Version 1.2 ADDRESS 11th Floor, Gaoxingqi Technology Building, District 67, Xingdong Community, Xin’an Street, Bao’an District, Shenzhen, China EMAIL info@sofarsolar.com WEBSITE www.sofarsolar.com...

This manual is also suitable for:

110ktlx-g4125ktlx-g4

Table of Contents