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Sofar HYD 5KTL-3PH User Manual

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USER
MANUAL
HYD 5K...20KTL-3PH
Shenzhen SOFARSOLAR Co., Ltd.
Shenzhen SOFARSOLAR Co., Ltd.

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Summary of Contents for Sofar HYD 5KTL-3PH

  • Page 1 USER MANUAL HYD 5K...20KTL-3PH Shenzhen SOFARSOLAR Co., Ltd. Shenzhen SOFARSOLAR Co., Ltd.

  • Page 3: Table Of Contents

    Content 1 About this manual ............................01 1.1 Copyright declaration ..........................01 1.2 Structure of the manual ........................01 1.3 Scope ................................01 1.4 Target group ..............................01 1.5 Symbols used ..............................02 2 Basic safety information ........................03 2.1 Safety information ............................03 2.2 Symbols and signs ............................06 3 Product features ............................08 3.1 Product information ..........................08 3.2 Product dimensions ..........................09...
  • Page 4 5.12 System monitoring ...........................74 5.13 Installation of the WiFi or Ethernet stick..................75 6 Commissioning the inverter ..............................79 6.1 Safety test before commissioning ....................79 6.2 Double Check ..............................79 6.3 Starting the inverter ..........................79 6.4 Initial setup ..............................80 6.5 Smartphone app SOFAR Setting ....................82...
  • Page 5 7 Operation of the device ..........................83 7.1 Control panel and display field ......................83 7.2 Standard display ............................84 7.3 Energy storage modes ...........................85 7.4 Menu structure ............................91 7.5 Firmware update ............................102 8 Troubleshooting handling ...........................103 8.1 Troubleshooting ............................103 8.2 Error list ................................104 8.3 Maintenance ..............................125 9 DataSheet ..............................116...

  • Page 6: About This Manual

    Copyright declaration The copyright of this manual is owned by SOFAR. It may not be copied – neither partially nor completely – by companies or individuals (including software, etc.) and must not be reproduced or distributed in any form, or with the appropriate means.

  • Page 7: Symbols Used

    About this manual Symbols used This manual contains information on safe operation and uses symbols to ensure the safety of persons and property as well as the efficient operation of the inverter. Please read through the following symbol explanations carefully in order to prevent injury or property damage.

  • Page 8: Basic Safety Information

    -has received training on occupational safety, as well as the installation and commissioning of electrical systems -is familiar with the local laws, standards and regulations of the grid operator. SOFAR assumes no responsibility for the destruction of property or any injuries to personnel caused by improper usage. HYD 5K...20KTL-3PH...
  • Page 9 Basic safety information 2.1.2 Installation requirements Please install the inverter according to the information contained in the following section. Mount the inverter to a suitable object with a sufficient load-bearing capacity (e.g. walls, PV frames etc.) and ensure that the inverter is upright.
  • Page 10 • Obtain authorization from the local power grid operator before connecting the inverter to the public power grid. NOTE Voiding of guarantee • Do not open the inverter or remove any of the labels. Otherwise, SOFAR shall assume no guarantee. 2.1.6 Operation DANGER Electric shock •...

  • Page 11: Symbols And Signs

    Basic safety information ATTENTION Unauthorized repairs! • Following the elimination of any faults, the inverter should be fully func tional once more. Should any repairs be required, please contact a local authorized service centre. • The internal components of the inverter must NOT be opened without the relevant authorization.
  • Page 12 Basic safety information 2.2.1 Symbols on the inverter Several symbols pertaining to safety can be found on the inverter. Please read and understand the content of these symbols before starting the installation. Symbol Description Residual voltage is present in the inverter! Before opening the inverter, you should wait five minutes to ensure that the capaci- tor has been fully discharged.

  • Page 13: Product Features

    Product features Product features This chapter describes the product features, dimensions and efficiency levels. Product information The HYD 5K...20KTL-3PH is a grid-coupled PV and energy storing inverter which can also supply energy in stand-alone operation. The HYD 5K...20KTL- 3PH has integrated energy management functions which cover a wide range of application scenarios.

  • Page 14: Product Dimensions

    Product features Product dimensions Unit:mm Figure. 3-2 Dimensions HYD 5K...20KTL-3PH...

  • Page 15: Label On The Device

    Product features Label on the device Label must not be covered or removed! Figure. 3-3 HYD 5K...20KTL-3PH appearance and label NOTE • The picture is only for reference,please make the object as the standard. Functional features The DC output generated by the PV generator can be used for both grid feed- in and battery charging.
  • Page 16 Product features 3.4.1 Functions 1. 1. Two MPP trackers with 1.5-fold DC overload Flexible switching between on-grid operation and energy storage opera- tion. Maximum efficiency when charging and discharging the battery (97.8%). If the LOAD port of all devices in the system is connected, up to 120 kVA of power can be used in emergency power mode A maximum cos phi of 0.8 is supported in emergency power mode.

  • Page 17: Application Modes

    Product features Figure 3-4 Electrical schematic diagram Application modes 3.5.1 Typical energy storage system A typical energy storage system with PV panels and battery unit(s), connected to the grid. Figure. 3-5 Typical energy storage system HYD 5K...20KTL-3PH...
  • Page 18 Product features 3.5.2 System without PV connection In this configuration, there are no PV panels connected and the battery is charged through the grid connection. Figure. 3-6 System without PV connection 3.5.3 System without battery In this configuration, the battery unit(s) can be added later. Figure.
  • Page 19 Product features 3.5.4 Back-up mode (off-grid) When there is no grid connection, the PV panels and the battery will provide electricity to the critical load. Figure. 3-8 Back-up mode(Off-Grid) NOTE Off-grid carrying capacity • In off-grid mode, the inverter’s ability to support capacitive and inductive loads is 1/3 of the single-phase rated power.
  • Page 20 Product features Figure. 3-9 System with multiple inverter NOTE • Multiple inverters connected in parallel shall be of the same power mod- el with the same power and battery configuration. • The smart meter or CTs are connected to the Master inverter. Control of all inverters takes place via the link cable.
  • Page 21 Product features 3.5.6 AC retrofit system In this system configuration, the hybrid system for an already existing PV system is supplemented with a solar inverter of any brand. By installing a second smart meter, the PV production can be taken into account and used for charging the battery.
  • Page 22 Product features Figure. 3-11 Unbalanced load(EPS mode) Figure. 3-12 Unbalanced load(On Grid) HYD 5K...20KTL-3PH...

  • Page 23: Installation

    Installation Installation Installation information DANGER DANGER Fire hazard • Do NOT install the inverter on flammable material. • Do NOT install the inverter in an area in which flammable or explosive material is stored. CAUTION CAUTION Burning hazard • Do NOT install the inverter in places where it can be accidentally touched. The housing and heat sink may become very hot while the inverter is being operated.

  • Page 24: Examination Before Installation

    Installation Examination before installation 4.3.1 Checking the external packaging materials Packaging materials and components may become damaged during transportation. Therefore, the external packaging materials must be examined before the inverter is installed. Check the external packaging material for damage, e.g. holes and cracks. If you discover any damage, do not unpack the inverter and contact the transport company and/or dealer immediately.
  • Page 25 Installation BAT- input connector BAT+ connector contact BAT- connector contact M6 hexagon screw M8*80 expansion screws (wall bracket) AC grid connection AC load connection Link port connection 8-pole terminal Terminal resistance for parallel system DRMs connection 6-pole connector for CT Three-phase smart meter COM communication cable Quick installation guide...

  • Page 26: Connections

    Installation Quality certificate Test report, output test USB acquisition stick (WiFi) Connector accessories Connections CAUTION CAUTION Damage during transportation • Please check the product packaging and connections carefully prior to installation. … Figure 4-1 HYD 5 20KTL-3PH inverter overview HYD 5K...20KTL-3PH...
  • Page 27 Installation ① ② Battery connection DC switch ③ ④ PV input terminals AC load connection ⑤ ⑥ AC grid connection USB/WiFi ⑦ ⑧ DRMs Communication connection ⑨ ⑩ Link port 1 Link port 0 Current sensor ⑪ ⑫ LCD display connection (CT) NOTE •...

  • Page 28: Tools

    Installation Tools Prepare the tools required for the installation and the electrical connection. Table 4-1 Tools required for installation and electrical connections Tool Model Function Hammer drill Used to drill holes in the Recommended drill wall. diameter: 8mm Screwdriver Wiring Used to remove and install Phillips screwdriver the screws of the AC...

  • Page 29: Installation Environment Requirements

    Installation Used to align the wall Spirit level bracket ESD gloves for the installer Safety goggles for the installer Anti-dust respiratory for the installer mask Installation Environment Requirements • Choose a dry, clean, and tidy place, convenient for installation. • Ambient temperature range: -30~+60°C. •...
  • Page 30 Installation Figure. 4-2 Installation Position of HYD 5…20KTL-3PH Minimum distances for individual HYD 5…20KTL-3PH inverters: 30cm Figure. 4-3 Minimum distances for individual inverter HYD 5K...20KTL-3PH...

  • Page 31: Unpacking The Inverter

    Installation Minimum distances for several HYD 5…20KTL-3PH inverters: Figure. 4-4 Minimum distances for several inverter Unpacking the inverter 1.Open the packaging and grip underneath the inverter at the sides with 1. 1. both hands. Figure. 4-5 Moving the inverter Lift the inverter out of the packaging and move it to its installation posi- tion.

  • Page 32: Installation Of The Inverter

    Installation ATTENTION Mechanical damage • In order to prevent injuries and damage to the device, ensure that the inverter is kept balanced while it is being moved - it is very heavy. • Do not place the inverter on its connections, as these are not designed to bear its weight.

  • Page 33: 4.10 Installation Of The Battery System

    4.10 Installation of the battery system 4.10.1 Connecting GTX 3000-H batteries (AMASS) Using SOFAR own battery system GTX 3000-H is a way to build scalable battery systems. A GTX 3000H battery module has a nominal capacity of 2,5 kWh, allowing multiple configurations for one tower: from 10 kWh (GTX 3000-H4) to 25 kWh (GTX 3000-H10).
  • Page 34 • The above notes for GTX-3000 apply to customers who already have that Typ of battery. SOFAR no longer produces this type of battery and do not support cluster paralleling. Figure 4-8 GTX 3000-H connecting in 4 Towers in Parallel...
  • Page 35 Installation 4.10.2 Connecting BTS 5K batteries Using SOFAR's own battery module BTS 5K is a way to build scalable battery systems. A BTS E5-DS5 battery system has a nominal capacity of 5.12 kWh, allowing multiple configurations for one tower from 5.12 kWh (BTS E5-DS5) to 20.48 kWh (BTS E20-DS5).
  • Page 36 Installation Figure 4-9 System with BTS 5K battery 4.10.4 Configurations BTS Battery for HYD 5...8KTL-3PH HYD 5K...20KTL-3PH...
  • Page 37 Installation 4.10.5 Configurations BTS Battery for HYD 10...20KTL-3PH HYD 5K...20KTL-3PH...
  • Page 38 Installation NOTE • Configuration of the battery setup should only be done when the inverter is in standby mode! • Advanced Settings –> 10. Switch on / off – Switch Off • If a battery input is unused, ensure to set this in the inverter’s system settings, for example: •...

  • Page 39: Electrical Connections

    Electrical connections Electrical connections Safety instructions This topic describes the electrical connections of the inverter HYD 5…20KTL- 3PH. Read this section thoroughly and carefully before connecting the cables. DANGER Electrical voltage at the DC connections • Ensure that the DC switch is OFF before establishing the electrical connec- tion.
  • Page 40 • The connected PV modules must be compliant with IEC 61730 class. Table. 5-1 Relevant current parameters of each model Isc PV (absolute Maximum output Model maximum) overvoltage protection HYD 5KTL-3PH 8 A*3 HYD 6KTL-3PH 15 A/15 A 10 A*3 HYD 8KTL-3PH 13 A*3...
  • Page 41 Electrical connections Table. 5-2 Description of limits for DVC Operating voltage limit(V) Ac voltage(RMS) Ac voltage(PK) Dc voltage(AVG) 25(16) 35.4(22.6) 60(35) 50(33) 71(46.7) 120(70) 1000 4500 1500 NOTE • The values in brackets apply when the inverter is installed in a humid environment.

  • Page 42: Wiring Overview

    Electrical connections Wiring overview Table. 5-4 Cable description Component Description Recommended cable type + : Connect the positive cable of the lithium battery Outdoor multicore copper cable (4…6mm²) - : Connect the negative cable of the lithium battery + : Connect the positive cable of the PV array PV cable (4…6mm - : Connect the negative...
  • Page 43 Electrical connections Australia, South Africa and New Zealand, please use the System Electrical Topology in Figure 5-2. System 1: Internal relay controls N-PE shorting Figure 5-1 System Electrical Topology (General) Ensure that both the AC LOAD and AC GRID PE wires are grounded at the same time, as shown in the diagram.
  • Page 44 Electrical connections System 2: N and PE wires are connected together Figure 5-2 System Electrical Topology (For Australia, South Africa and New Zealand) DANGER Install Residual current device (RCD)in front of the load • RCD is necessary for critical load, but optional for normal load. •...

  • Page 45: Smart Meter /Ct

    Electrical connections DANGER Be sure to ensure that the output is grounded • In system 1, The PE line of the inverter’s AC Grid Port and AC LOAD Port must be grounded through the PE-Bar, otherwise there may be a risk of leakage.
  • Page 46 Electrical connections CAUTION In the following three situations, the system must be connected to the fuse first and then to the machine’s input terminal: • Lead-acid battery • Lithium battery without BMS • Multiple lithium batteries connected to one input 5.4.1 System A: direct measurement with CTs (3000:1) Figure.
  • Page 47 Electrical connections 5.4.2 System B: measurement with smart meter + CTs(200 A/5 A default) Figure. 5-4 Electrical connections(Plan B:Meter+CT) HYD 5K...20KTL-3PH...
  • Page 48 Electrical connections 5.4.3 System C: measurement with directly connected smart meter- Default configuration Figure. 5-5 Electrical connections(Plan C:Meter) HYD 5K...20KTL-3PH...
  • Page 49 Electrical connections (Split Core Current Transformer for smart meter or as a CT directly connected to the inverter.) Table. 5-5 CT 200 A/5 A Default Technical Data Rated primary current 200 A Rated secondary current Rated operating frequency 50/60 Hz Perforated size 24mm Diameter Table.

  • Page 50: Electrical Connection

    Electrical connections Electrical connection The electrical connection is established as follows: Connect PE cable Connect DC input cable Connect battery cable Connect AC output power cable Connect communication cable (optional) Connecting the PE cables Connect the inverter to the equipotential bonding bar by using the protective earth cable (PE) for grounding.
  • Page 51 Electrical connections 1. 1. Remove the insulation of the cable. For outside use, the PE cable recom- mended for use in EU depends on the protection breakers used and the length of cable, it is recommended to use: 4mm² ≤ PE cable ≤ 10mm². Figure.

  • Page 52: Connecting The Dc Lines For The Pv Modules And Battery

    Electrical connections 3. 3. Install the crimped ring terminal and the washer with the M6 screws and tighten these with a torque of 3 Nm using an Allen key: Figure. 5-8 Connecting PGND cable(c) M6 Screws Ring terminal ① ② Threaded hole ③...
  • Page 53 Electrical connections Please observe the recommended cable dimensions: Table. 5-8 PV and battery cable dimensions Cable cross-section (mm Outer diameter of cable (mm) Range Recommended value 4.0 … 6.0 4.5 … 7.8 Remove the crimp contacts from the positive and negative connections. Remove the insulation of the cables: Figure.
  • Page 54 Electrical connections Figure. 5-10 Connecting PV(b) CAUTION • Ensure that the polarity is correct before plugging into the DC connector! Insert the crimped DC cables into the corresponding connector housing until you hear a “clicking” sound. Figure. 5-11 Connecting PV(c) Positive power cable Negative power cable ①...
  • Page 55 Electrical connections 6. 6. Re-screw the cable glands to the connector housing. Figure. 5-12 Connecting PV(d) Insert the positive and negative connectors into the corresponding DC input terminals of the inverter until you hear a “clicking” sound. Figure. 5-13 Connecting PV(e) Locking ①...

  • Page 56: Connecting The Ac Power Cables

    Electrical connections Removing the connectors CAUTION Danger of DC arcing • Before removing the plus and minus connector, ensure that the DC switch has been set to OFF. In order to remove the plus and minus connection from the inverter, insert a removal key into the locking and press on the key with the adequate force as shown in the following illustration: Figure.
  • Page 57 Electrical connections NOTE • The inverter HYD 5…20KTL-3PH has a built-in RCD (univ. sensitive residual current protection). If an external RCD is required, we recommend an RCD type A featuring a residual current of 100 mA or higher. • Please follow the national rules and regulations for the installation of external relais or circuit breakers! The AC cable should be correctly dimensioned in order to ensure that the loss of power in the AC cable is less than 1% of the rated output.

  • Page 58: Ac Connector Installation

    Electrical connections AC connector installation CAUTION Electrical voltage • Ensure that the grid has been switched off before removing the AC con- nector NOTE • • There are two types of AC connectors, the blue one is the power grid AC terminal, and the black one is the load AC terminal. Please follow below steps to install the AC connector.
  • Page 59 Electrical connections Figure. 5-17 AC connection(b) Connect the AC cable in accordance with the following requirements and tighten the terminal using the Allen key. Figure. 5-18 AC connection(c) Connection Cable Phase 1 (brown) Phase 2 (black) Phase 3 (grey) Neutral conductor (blue) Earthing cable (yellow-green) HYD 5K...20KTL-3PH...
  • Page 60 Electrical connections 4. 4. Assemble the connector housing and screw the cable gland tight. Figure. 5-19 AC connection(d) Connect the AC connector to the AC connection of the inverter by turning it clockwise until it locks into place. NOTE • Remove the AC connector by turning it anticlockwise. •...

  • Page 61: 5.10 Communication Interfaces

    Electrical connections 5.10 Communication interfaces The positions of the communications interfaces of the HYD 5…20KTL-3PH are displayed below: Figure. 5-21 HYD 5…20KTL-3PH interfaces Table. 5-10 communication interfaces description Connection Function USB port for firmware update and safety USB/WiFi parameter import, Port to connect Stick ⑥...
  • Page 62 Electrical connections 5.10.1 Multifunctional Communication Port Please refer to the following table for the specific PIN assignments ① ② ③ ④ Figure. 5-22 COM interface HYD 5K...20KTL-3PH...
  • Page 63 Electrical connections Table. 5-11 COM interfaces description Function Definition Note RS485 A1-1 RS485 Signal+ Inverter monitoring and RS485 A1-2 RS485 Signal + system control through RS485 B1-1 RS485 Signal - Modbus RTU RS485 B1-2 RS485 Signal - RS485 A2 RS485 Signal + Energy meter port RS485 B2 RS485 Signal -...
  • Page 64 Electrical connections Figure. 5-22 RS485 communication connection 5.10.3 Smart meter The integrated energy management functions integrated of the HYD 5…20KTL-3PH require to measure the power flow at the point of grid interconnection. There are different system configurations possible. It can be measured using directly connected smart meter or using smart meter with CTs.
  • Page 65 Electrical connections Smart meter with directly connection (System C, default configuration) Smart meter pins Figure. 5-24 Directly Meter HYD 5K...20KTL-3PH...
  • Page 66 Electrical connections NOTE • No additional configuration required for direct-connected meters • Up to 80 A measurement • Accuracy class and load rating(VA/Ω):1 class • Rated operating voltage:AC 0.66KV(Equivalent to 0.69KV GB156-2003) • Rated frequency: 50-60Hz • Ambient temperature: -25℃~75℃ •...
  • Page 67 Electrical connections NOTE • • The arrows on the current transformers direct to the grid. • • Up to 200 A measurement • • Accuracy class and load rating(VA/Ω):1 class • • Rated operating voltage:AC 0.66KV(Equivalent to 0.69KV GB156-2003) • • Rated frequency: 50-60Hz •...
  • Page 68 Electrical connections Current Ratio setting Figure 5-27 Meter current ratio setting NOTE • • The inverter connected to the meter is a power generation device, and the function of the meter connected to the traditional load (electrical device) is opposite. Therefore, for our product, when the power is output to the grid, the electricity meter will show a positive value, and when the power is purchased from the grid, it will show a negative value;...
  • Page 69 Electrical connections 5.10.6 Dry Contact The dry contact can start and stop a generator.  NOTE • • This function is available from Firmware V10 or newer. • • The dry contact settings must be set accordingly in the menu Advanced settings – Dry Contact Control. Generator charging Please refer to below diagram for connecting a generator: Figure.
  • Page 70 Electrical connections NOTE • • The secondary side current of the CT’s must be less than 100mA • The lead length of CT cannot exceed 1 km. Please refer to the table below for the specific PIN connections. Figure 5-29 CT connection(a) Table 5-12 CT interface description Definition Function...
  • Page 71 Electrical connections 1. 1. Connect and lock the connector by turning it clockwise. Figure. 5-31 CT connection(c) 5.10.9 Link Port In systems with multiple inverters, you can connect the devices in a Master/ Slave configuration. In this configuration, only one smart meter is connected to the Master inverter for the system control.
  • Page 72 Electrical connections NOTE • • The first and last inverter need to be connected with the 8 Pin connection terminals! Pin Connections Figure. 5-33 Link Port connection(a) Table. 5-15 Link Port interface description Definition Function IN_SYN0 Synchronising signal 0 CANL CAN low data SYN_GND0 Synchronising signal GND 0...
  • Page 73 Electrical connections Installation Connect and lock the connector by turning clockwise: Figure. 5-34 Link Port connection(b) 5.10.10 DRMs/Logic interface and Remote Shutdown The DRMs/Logic interface is used to control the inverter feed-in or purchases powe by external signals, usually provided from grid operators with ripple control receivers or other means.
  • Page 74 Electrical connections Please follow below installation steps. Press the wire terminals in colour sequence: Figure. 5-36 DRM connection(b) Route the cable terminal through the cable gland and insert the commu- nication cable into the RJ45 connector. Figure. 5-37 DRM connection(c) Lock the connector by turning clockwise: Figure.
  • Page 75 Electrical connections DRMs for AS/NZS 4777.2:2015 and AS/NZS 4777.2:2020 Also known as Inverter Demand Response Modes (DRMs). The inverter recognises all supported Demand Response commands and initiates the reaction within two seconds. The inverter will continue to respond while the mode remains asserted. Supported DRM commands: DRM0, DRM5, DRM6, DRM7, DRM8.
  • Page 76 * Depending on the grid code DRMs for Inverters connected in Parallel NOTE • In parallel operation of Hybrid and String inverters, the use of coupling relais for the DRM lines is recommended • Customized Settings can be done with SOFAR Monitor App HYD 5K...20KTL-3PH...
  • Page 77 Electrical connections DRMs for Inverters connected in Parallel for feed-in and power purchase limit The power purchase limiting contacts DRM 1…4 can be contacted using a 15 kΩ resistor to the corresponding Pin inputs. Logic interface for EN50549-1:2019 / AR-N 4105 (Remote shutdown-DRM0) The DRM0 interface can be used to disconnect the inverter from the grid within 100 ms.
  • Page 78 Electrical connections Functional description of the terminal Name Inverter Radio ripple control receiver DRM0 Relay K0 input K0 - output relay Ground Relay, common ground HYD 5K...20KTL-3PH...

  • Page 79: 5.11 Feed-In Limit Function

    Electrical connections 5.11 Feed-in limit function The feed-in limit function can be used to limit the power fed back into the grid. For this function, a power measurement device must be installed according to system A, B, or C. Feed-in limit: The sum of the feeding-in phases must not exceed the set power limitation value.

  • Page 80: 5.13 Installation Of The Wifi Or Ethernet Stick

    5.13.1 Configuration of the WiFi stick via the web browser Preparation: The WiFi stick is installed in accordance with the previous section and the SOFAR inverter must be in operation. NOTE • • WiFi network need to support 2.4 GHz mode. WiFi stick logger doesn’t support 5 GHz network.
  • Page 81 Electrical connections 4. 4. Click on the “Wizard” in order to configure the WiFi stick for Internet ac- cess. Click on the “Wizard” in order to configure the WiFi stick for Internet ac- cess. Result :The WiFi stick begins to send data to SolarMAN. Register your system at the website home.solarmanpv.com.
  • Page 82 Electrical connections 5. 5. Press the button on the WiFi stick for 1 second to activate the WPS mode of the stick so that the smartphone can be connected to the WiFi stick. Now, select your local WiFi network for Internet access and enter your WiFi password.
  • Page 83 Electrical connections Reset button Table. 5-15 Reset button description Keystroke Description 1 sec. WPS mode 5 sec. Restart 10 sec. Restart (reset) 5.13.3 Setting up the Ethernet stick The Ethernet stick is delivered with DHCP as standard, so it automatically gets an IP address from the router.

  • Page 84: Commissioning The Inverter

    Commissioning the inverter Commissioning the inverter Safety test before commissioning ATTENTION ATTENTION Check the voltage range • Ensure that the DC and AC voltages are within the permissible range of the inverter. Double Check Please ensure that the inverter and all the wiring are installed correctly, securely, and reliably, and that all environment requirements are met.

  • Page 85: Initial Setup

    Commissioning the inverter 4. 4. Turn ON AC circuit breaker between the inverter GRID port & GRID. Turn ON AC circuit breaker between the inverter LOAD port & critical load. Inverter should start to operate now. Initial setup You need to set the following parameters before inverter starts to operate. Table.
  • Page 86 • SOFAR is not responsible for the consequences of selecting the incorrect country code. • The selected country code influences the device grid monitoring. The in- verter continuously checks the set limits and, if required, disconnects the device from the grid.

  • Page 87: Smartphone App Sofar Setting

    Commissioning the inverter Smartphone app SOFAR Setting The Sofar Cloud Monitoring app allows for easy initial setup as well as advanced configurations.You can download it on the major mobile application platforms or scan the following QR code through your browser to download.

  • Page 88: Operation Of The Device

    Operation of the device Operation of the device This chapter describes the LCD and LED displays of the HYD 5…20KTL-3PH inverter. Control panel and display field 7.1.1 Buttons and display lights Figure. 7-1 Main interface Buttons Button Name Description Back Previous screen, enter menu Select previous menu item, increase setting value...

  • Page 89: Standard Display

    Operation of the device LEDs State Colour State Green Normal On-grid Green (flashing) Standby Green Normal Off-grid Green (flashing) Standby Alarm Error Standard display The screen shows all relevant information of the inverter: Figure. 7-2 LCD display HYD 5K...20KTL-3PH...

  • Page 90: Energy Storage Modes

    Operation of the device Press Up button, to show PV Information like voltage, power and frequency - Press Up button again to show battery Information(BAT1) like current,power,states of charge etc. - Once click up more to show EV charger Information such as Voltage and power.
  • Page 91 Operation of the device If PV generation equals the load consumption (ΔP < 100 W), the inverter won't charge or discharge the battery If PV generation is larger than the load consumption, the surplus power is stored in the battery If the battery is full or at maximum charging power, the excess power will be exported to the grid...
  • Page 92 Operation of the device NOTE • If it is not allowed to export power to the grid, the smart meter and/ or CT needs to be installed, and the "feed-in limit” function needs to be enabled. • When the battery is working in a low battery state for a long time, in or- der to ensure the health of the battery, the inverter will take power from the grid to charge the battery with a certain amount of power (For more detail, please refer to “7.4.3 Advanced Settings"...
  • Page 93 The passive mode is used in systems with external energy management systems. The inverter's operation will be controlled by the external controller using the Modbus RTU protocol. Please contact SOFAR if you need the Modbus protocol definition for this device.
  • Page 94 Operation of the device 7.3.5 Peak Shaving Mode Used to limit the maximum power priority purchased from the grid. The maximum purchasing power can be set in this mode. When the system preferentially buys more power from the grid than the set value, The battery starts discharging and stabilizes the system power at the set value.
  • Page 95 Operation of the device 7.3.7 Manual Genset Mode (energy storage mode → generator mode) Applicable scenario 2 : Users want to manually switch the power grid and generator. When the power grid is powered off, the generator is manually started. When the power grid is restored, the generator is manually closed and connected to the power grid.

  • Page 96: Menu Structure

    Operation of the device Menu structure Press the button to bring up the main menu. 7.4.1 Main menu 1. System Settings 2. Advanced Settings 3. Energy Statistics 4. System information 5. Event list 6. Software update 7. Battery real-time Info (only with the BTS battery system) NOTE •...
  • Page 97 Operation of the device 7.4.2 “System Settings” menu In this menu you can do the basic settings which are needed to operate the device. 1. Language Settings Sets the display language 2. Time Sets the system time of the inverter 3.
  • Page 98 Operation of the device 7.4.3 “Advanced Settings” menu NOTE Password • • Several settings require a password to be entered (the standard password is 0001). In this menu you can do advanced settings. (Setting is only allowed if there is a battery channel.) Set the battery parameters for Battery 1 and 1.
  • Page 99 Operation of the device Max. allowed Depth of Discharge (DOD) for the battery. DOD of 80% means, a battery with 10 kWh capacity can be discharged to a minimum energy level of 2 kWh. In this item you can check: 1.
  • Page 100 SofarSolar battery types). Detects all battery modules and the assignment to the battery inputs. 2. Battery Active (Only available for SOFAR battery types.) Enable / Disable. If Automatic activation is enabled, the inverter will activate the battery when the inverter need to discharge or charge the battery according to the 2.1 Auto Active Control...
  • Page 101 Operation of the device 3.4.1 PCC Limit bit: The PCC Limit Scheme Config function can be enabled by configuring it. 3.4.2 Device type: Sets whether the device type is a domestic or a non-domestic. (Domestic can be reset by “Reset flag bit”, non-domestic into the state 3 (Low power state) cannot be reset within 4 hours.) 3.4.3 current limit percent:...
  • Page 102 Resets the Bluetooth interface of the inverter if 8. Reset Bluetooth the device is not found by the Sofar View App This function is used to correct the direction and grid phase assignment of the CTs directly connected to the inverter. During CT Calibration, the inverter must be connected to a battery and 9.
  • Page 103 Operation of the device (Setting is only allowed if parallel is disabled.) Default setting: disabled In situations where the customer only wants to support the local loads or has a zero-export limit across all three phases. When used in conjunction with the supplied three-phase smart meter and with this option set to "enable", the per phase output current of the inverter will respond...
  • Page 104 Operation of the device NOTE • The inverter (Available from hardware version V003) has built-in relays to control the short circuit of the load N line to ground when off-grid. • When the inverter is off-grid and the load N line and PE line are short-con- nected, if the power grid is restored and the load N line and PE line are still short-connected, leakage protection will be triggered and explosion hazard will not be caused.
  • Page 105 Operation of the device 7.4.5 “System Information” menu 1. Inverter Info Inverter Info (1) Serial number, Power Level Software Version(To view the software version, enter password Inverter Info (2) 0001), Country, Country Code Version Inverter Info (3) Bat Channel1, Bat Channel2, PV Channel1, PV Channel2 Inverter Info (4) Energy Storage Mode, RS485 Address, EPS Mode, IV Curve Scan Inverter Info (5)
  • Page 106 (display of the event sequence number, event ID Fault information number and time that the event takes place) 7.4.7 “Sofatware update” menu The user can update the software via the USB flash drive. SOFAR will provide the firmware update when it is required. HYD 5K...20KTL-3PH...

  • Page 107: Firmware Update

    Please follow the steps below to update the firmware. Insert the USB stick into the computer. SOFAR will send the firmware update to the user. Unzip the file and copy the original file to a USB stick. Attention: The firm- ware update file must be in the “firmware”...

  • Page 108: Troubleshooting Handling

    Troubleshooting handling Troubleshooting handling Troubleshooting This section contains information and procedures pertaining to the remedying of potential problems with the inverter. To carry out troubleshooting, proceed as follows: • Check the warnings, error messages or error codes displayed on the screen of the inverter.

  • Page 109: Error List

    Troubleshooting handling 8.1.2 Earth fault alarm This inverter is compliant with IEC 62109-2 Clause 13.9 and AS/NZS 5033 for earth fault protection. If an earth fault alarm occurs, the error is displayed on the LCD screen, the red light illuminates and the error can be found in the error history log. When the inverter is connected to the battery system, when the battery system has ground fault/leak alarm in accordance with AS/NZS 5139, the inverter will also alarm.
  • Page 110 Troubleshooting handling Charge Leakage GFCI Check for inverter and wiring. Fault Island protection If the alarm occurs occasionally, the IslandFault fault possible cause is that the electric grid is abnormal occasionally. Inverter Transient will automatically return to normal 009- GridOVPIns overvoltage of operating status when the electric tant1/2...
  • Page 111 Troubleshooting handling Check the insulation resistance Insulation between the photovoltaic array and IsoFault resistance is too ground (ground), if there is a short circuit, the fault should be repaired in time. PEConnectF Earth fault Check the PE conductor for function ault Check the input mode (parallel/ InputConfig...
  • Page 112 Troubleshooting handling BusRmsUn Asymmetrical bus balance voltage RMS The transient value BusInstUnb Internal error of the inverter. Switch off of the bus voltage alance the inverter, wait 5 minutes and then is unbalanced switch the unit on again. The DC bus voltage If the error persists, contact technical BusUVP is too low during...
  • Page 113 Troubleshooting handling Dci overcurrent DciOCP protection Instantaneous output SwIOCP current protection SwBuckBoo BuckBoost software stOCP sequence SwAcRmsO Output RMS current protection SwPvOCPIn PV overcurrent stant software protection IpvUnbalan PV flows in uneven parallelism IacUnbalan Unbalanced output current PV software SwPvOCP overcurrent protection Balanced current...
  • Page 114 Troubleshooting handling 110- Overload protection Please check whether the inverter is Overload1-3 operating under overload. Make sure that the inverter has been installed in a cool and well-ventilated place The inverter has OverTempD without direct sunlight. throttled due to too erating Make sure the inverter is installed vertically high a temperature...
  • Page 115 Troubleshooting handling PermDCOC Permanent input PInstant overcurrent error Permanent PermHwDC Permanent input overcurrent error input hardware Permanent input hardware overcurrent overcurrent error error PermRelay Permanent error of Permanent error of the mains relay Fail the mains relay The bus voltage is unbalanced and has caused an unrecoverable error The bus voltage is PermBusUn...
  • Page 116 Troubleshooting handling BMS overvoltage BMS OVP alarm BMS Undervoltage BMS UVP alarm BMS High Internal error in the connected lithium BMS OTP temperature battery. Switch off the inverter and the warning lithium battery, wait 5 minutes and then switch the components on again. BMS low If the error persists, contact technical BMS UTP...
  • Page 117 Troubleshooting handling 8.2.2 Battery error list Description Solution Name Check whether the number of batteries HS1HighTe Radiator 1 high is set correctly. If the setting is correct, mpWarning temperature alarm please contact technical support to upgrade software. Please make sure the battery is EnvHighTe Ambient high installed in a cool well-ventilated place.
  • Page 118 Troubleshooting handling SwBusInsta Bus software SwBusInsta overvoltage SwBusInsta Bus software ntUVP undervoltage If this fault occurs occasionally, wait SwBatInsta Battery software a few minutes to see whether the SwBatInsta overvoltage problem is solved. If this fault occurs SwBatInsta Battery software frequently, please contact technical ntUVP undervoltage...
  • Page 119 Troubleshooting handling BMS overvoltage BMSOVOCP and overcurrent fault Battery average SwBatAvgO overcurrent protection If this fault occurs occasionally, wait a few minutes to see whether the SwAvgOverl Average overload problem is solved. If this fault occurs oadP protection frequently, please contact technical support.

  • Page 120: Maintenance

    Troubleshooting handling Maintenance Inverters do not generally require daily or routine maintenance. Before carrying out cleaning, ensure that the DC switch and AC circuit breaker between the inverter and power grid have been switched off. Wait at least 5 minutes before carrying out cleaning. 8.3.1 Cleaning the inverter Clean the inverter using an air blower and a dry, soft cloth or a soft bristle brush.

  • Page 121: Datasheet

    DataSheet DataSheet NOTE • • The following parameters may change without notice, please refer to the user manual and DataSheet on our website. Model 5KTL-3PH 6KTL-3PH 8KTL-3PH 8KTL-3PH 10KTL-3PH-A 15KTL-3PH 20KTL-3PH PV input Recommended Max. 7500Wp 9000Wp 12000Wp 15000Wp 15000Wp 22500Wp 30000Wp PV Power...
  • Page 122 DataSheet Model 5KTL-3PH 6KTL-3PH 8KTL-3PH 8KTL-3PH 10KTL-3PH-A 15KTL-3PH 20KTL-3PH Battery Battery Type [3] Lithium-ion & Lead-acid Voltage Range 180-800 Vd.c. Number of Battery Input Channels Max. Charging Power 5 kW 6 kW 8 kW 10 kW 10 kW 15 kW 20 kW Max.
  • Page 123 [1]PV Max. Input Current may change(12.5A to 16A;25A to 32A), please refer to the label on the body. [2] PV Max. Isc may change(15A to 22.5A;30A to 45A), please refer to the label on the body. [3]Please refer to document “SOFAR inverter Model compatible battery list”. [4]Battery-AC maximum efficiency of battery charge and discharge.
  • Page 125 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:

Hyd 6ktl-3phHyd 8ktl-3phHyd 10ktl-3ph-aHyd 15ktl-3phHyd 20ktl-3phHyd 10ktl-3ph