Sofar ME 5KTL-3PH User Manual
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Sofar ME 5KTL-3PH User Manual

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Summary of Contents for Sofar ME 5KTL-3PH

  • Page 2: Table Of Contents

    TABLE OF CONTENT Table of Content Table of Content ..................... I 1 About this manual ....................1 1.1 Copyright declaration ........... 1 1.2 Structure of the manual ......... 1 1.3 Scope ............1 1.4 Target group .............2 1.5 Symbols used .............2 2 Basic safety information ..................4 2.1 Safety information ..........

  • Page 3: Table Of Content

    6.2 Double Check ........... 73 6.3 Starting the inverter .......... 73 6.4 Initial setup ..........74 6.5 Smartphone app SOFAR View ........80 6.6 Setting power quality response modes ......81 7 Operation of the device ..................82 7.1 Control panel and display field ........ 82...
  • Page 4 TABLE OF CONTENT 7.3 Energy storage modes ........... 84 7.4 Menu structure ..........88 7.5 Firmware update ..........96 8 Troubleshooting handling ................98 8.1 Troubleshooting ..........98 8.2 Error list ............99 8.3 Maintenance ........... 111 9 Technical Data ....................112...

  • Page 6: About This Manual

    ABOUT THIS MANUAL About this manual This manual contains important safety information that must be observed during installation and maintenance of the device. Carefully read this manual before use and retain it for future reference! This manual must be treated as an integral component of the device.

  • Page 7: Target Group

    ABOUT THIS MANUAL Target group This manual is intended for specialist electrical engineers who are responsible for the installation and commissioning of the inverter in the PV system, as well as the PV system operators. 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.
  • Page 8 ABOUT THIS MANUAL DANGER Non-observance will result in death or serious injury.  Follow the warnings in order to prevent death or serious injury! WARNING Non-observance may result in death or serious injury.  Follow the warnings in order to prevent serious injury! CAUTION Non-observance may result in minor injury.

  • Page 9: Basic Safety Information

    BASIC SAFETY INFORMATION Basic safety information NOTE  If you have any questions or problems after reading the following information, please contact SOFARSOLAR This chapter details the safety information pertaining to the installation and operation of the device. Safety information Read and understand the instructions of this manual, and be familiar with relevant safety symbols in this chapter, then start to install and troubleshoot the equipment.
  • Page 10 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. SOFARSOLAR assumes no responsibility for the destruction of property or any injuries to personnel caused by improper usage.
  • Page 11 BASIC SAFETY INFORMATION DANGER Dangerous battery voltage  Before the electrical connection, please make sure the battery switch is off ! DANGER Danger through electric shock!  All installations and electrical connections may only be carried out by trained electricians! IMPORTANT Authorisation for grid feed-in ...
  • Page 12 BASIC SAFETY INFORMATION CAUTION Burning due to hot housing  While the inverter is being operated, several internal components will become very hot.  Please wear protective gloves!  Keep children away from the device! 2.1.7 Repair and maintenance DANGER Dangerous voltage! ...

  • Page 13: Symbols And Signs

    BASIC SAFETY INFORMATION Symbols and signs CAUTION Beware of burning hazards due to the hot housing!  While the inverter is in operation, only touch the display and the buttons, as the housing can become hot. WARNING Damage due to overvoltage ...
  • Page 14 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 capacitor has been fully discharged.

  • Page 15: Product Features

    PRODUCT FEATURES Product features This chapter describes the product features, dimensions and efficiency levels. Product information ME 5K...20KTL-3PH is an AC coupled bi-directional battery converter. Customers can purchase batteries & ME 5K...20KTL-3PH as an energy storage add-on to his/her existing renewable energy system.

  • Page 16: Product Dimensions

    PRODUCT FEATURES Product dimensions Front view left view Bracket ① ② ③...

  • Page 17: 3.3 Labelling On The Device

    PRODUCT FEATURES 3.3 Labelling on the device Labelling must not be covered or removed! Functional features The ME 5K...20KTL-3PH energy storage inverters allow up to 10% overloading to maximize power output, and the Uninterruptible Power Supply (UPS) mode can support inductive loads such as air conditioners or refrigerators with an automatic switchover time of less than 20 milliseconds.
  • Page 18 PRODUCT FEATURES...

  • Page 19: Connecting Gtx 3000-H Batteries (Amass)

    PRODUCT FEATURES Connecting GTX 3000-H batteries (AMASS) Using SOFARSOLAR's 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), The series battery is rated at 25A and the individual battery is rated at 51.2V.

  • Page 20: Connecting Bts 5K Batteries

    PRODUCT FEATURES System Settings – Input Channel Config – Channel2 – Not Used.  The battery inputs of different inverters should not be connected in parallel  Each battery tower corresponds to a unique battery address. Each battery address can be configured from 00–15 or not used ...
  • Page 21 PRODUCT FEATURES Below diagram is an example of how to connect the BTS battery system to SOFARSOLAR's ME 5 ... 20KTL-3PH.
  • Page 22 PRODUCT FEATURES Below is the schematic connection diagram of a system where the neutral line and ground line are connected together. NOTE  Configuration of the battery setup should only be done when the inverter is in standby mode! Advanced Settings – 9. Switch on / off – Switch Off ...
  • Page 23 PRODUCT FEATURES  In certain regions there are specific local safety requirements of the power grid. Ensure to comply with all local safety requirements.  According to the Australian safety regulations, the neutral cables on the grid-connected side and EPS side must be connected together.

  • Page 24: Installation

    INSTALLATION Installation Installation information 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 Burning hazard  Do NOT install the inverter in places where it can be accidentally touched.

  • Page 25: Examination Before Installation

    INSTALLATION 4. Transport the inverter 5. Mount the rear panel 6. Install the inverter 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.
  • Page 26 ELECTRICAL CONNECTIONS No. Image Description Quantity 1pcs 10K...20KTL- 2pcs 5K...8KTL-3PH BAT- connector contact 1pcs 10K...20KTL- 2pcs 5K...8KTL-3PH Secured metal clamps at BAT+ power input cable 1pcs 10K...20KTL- 2pcs 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...

  • Page 27: Connections

    INSTALLATION No. Image Description Quantity 6-pole connector for CT Three-phase smart meter (Not directly connected) CT with divided core (200A/5A) only for smart meters COM 16-pole connector USB acquisition stick (WIFI) Temperature sensor NTC (5m) when using Lead-acid battery Manual Warranty card Quality certificate Test report, output test...

  • Page 28: Tools

    INSTALLATION ① Battery input terminals ② Load connection port ③ Grid connection port ④ USB/WiFi ⑤ DRMs ⑥ ⑦ Link Port 1 ⑧ Link Port 0 ⑨ ⑩ NOTE  The number of Battery input terminals depends on the Rated Power: ME 5K...8KTL-3PH 2pcs...
  • Page 29 ELECTRICAL CONNECTIONS No. Tool Model Function Hammer drill Used to drill holes in Recommended the wall. drill diameter: Screwdriver Wiring Phillips Used to remove and screwdriver install the screws of the AC terminal Removal tool Used to remove the battery terminal Wire stripper Used to strip the wire 6mm Allen key...

  • Page 30: Installation Environment Requirements

    INSTALLATION No. Tool Model Function ESD gloves for the installer Safety goggles for the installer Anti-dust for the installer respiratory mask Installation Environment Requirements  Choose a dry, clean, and tidy place, convenient for installation.  Ambient temperature range: -30–60°C. ...

  • Page 31: Installation Location

    INSTALLATION Unconditioned c.outdoor Unconditioned -25~50°C 4%~100% without solar effects d. outdoor unconditioned -25~60°C 4%~100% with solar effects Installation location Choose a suitable position for the installation of the inverter. Ensure that the following requirements have been fulfilled:...

  • Page 32: Unpacking The Inverter

    INSTALLATION Minimum distances for individual ME 5K...20KTL-3PH inverters: Minimum distances for several ME 5K...20KTL-3PH inverters: 200 mm 200 mm Unpacking the inverter 1. Open the packaging and grip underneath the inverter at the sides with both hands.
  • Page 33 INSTALLATION 2. Lift the inverter out of the packaging and move it to its installation position.

  • Page 34: 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 35 INSTALLATION 5. You can secure the inverter to the wall bracket using a lock. ④ ⑤...

  • Page 36: Electrical Connections

    ELECTRICAL CONNECTIONS Electrical connections Safety instructions This topic describes the electrical connections of the inverter ME 5K ... 20KTL-3PH. Read this section thoroughly and carefully before connecting the cables. DANGER Electrical voltage at the battery connections  Ensure that battery switch before establishing the electrical connection.

  • Page 37: Wiring Overview

    ELECTRICAL CONNECTIONS Note: The values in brackets apply when the inverter is installed in a humid environment. The decisive voltage class (DVC) Interface Grid connection port DVCC Battery input port DVCC Load connection port DVCC USB/WiFi interface DVCA COM interface DVCA CT interface DVCA...

  • Page 38: System Overview

    ELECTRICAL CONNECTIONS AC GRID Outdoor multicore Rated Voltage copper cable 600VAC. 5K...8KTL-3PH Connection method: 10...16mm² male and female 10K...20KTL-3PH terminals are Grid inserted into each 14-16mm² other System overview There are different system configurations possible depending on the user's requirements, existing electrical infrastructure and local regulations.
  • Page 39 ELECTRICAL CONNECTIONS for RCD with leakage current of 100mA or above (it is better to adjust according to the size of the system).  If the grounding type of the grid power distribution system requires the ground wire and the neutral wire to be connected together, a short-circuit bar needs to be used to short-circuit the neutral wire and the ground wire in the power distribution where the...
  • Page 40 ELECTRICAL CONNECTIONS 5.3.1 System A: direct measurement with CTs...
  • Page 41 ELECTRICAL CONNECTIONS 5.3.2 System B: measurement with energy meter + CTs (default)
  • Page 42 ELECTRICAL CONNECTIONS 5.3.3 System C: measurement with directly connected energy meter...
  • Page 43 ELECTRICAL CONNECTIONS Energy Meter through CTs: Technical Data Voltage AC 3×230/400 V Current 1.5(6) A Frequency 50/60 Hz Pulse 6400 imp / kWh Power accuracy Active Class 0.5S, Reactive Class 2 Directly connected Energy Meter: Technical Data Voltage AC 3×230/400 V Current 5(80) A Frequency...
  • Page 44 ELECTRICAL CONNECTIONS Wiring according to the wiring method as shown in 5.3.2“System B: measurement with energy meter + CTs” or 5.3.3“System C:measurement directly connected energy meter”, and enable Anti-Reflux Power function and set the Reflux Power limit on the menu interface of the machine. Refer to <7.4 Advanced settings→ 3.
  • Page 45 ELECTRICAL CONNECTIONS Generation limit 2.Control Mode Export limit Soft limit 3.Control Type Hard limit Both 4.Power limit ***KW(VA) Checking Main interface---System Information---Inverter Info--- Anti Reflux. Main interface Back 1.System Setting 2.Advanced Setting 3.Energy Statistic 4.System Information 5.Event List 6.Software Update 4.System 1.Inverter Info information...

  • Page 46: Electrical Connection

    ELECTRICAL CONNECTIONS Anti-Reflux power cannot exceed the Reflux power limit. If the Reflux power exceeds the Reflux power limit, the inverter disconnects from the grid and triggers overload protection. When communication signal with the electricity meter is lost, the output power of the inverter is limited to the value of Soft limit control and does not trigger fault protection.

  • Page 47: Connecting The Pe Cables

    ELECTRICAL CONNECTIONS Connecting the PE cables Connect the inverter to the equipotential bonding bar by using the protective earth cable (PE) for grounding. ATTENTION Pole earthing not permissible!  As the inverter is transformerless, the plus and minus poles of the battery generator must NOT be earthed.

  • Page 48: Connecting The Dc Lines For The Battery

    ELECTRICAL CONNECTIONS ① ② M6 washer Ring terminal ③ Threaded hole Connecting the DC lines for the battery Please observe the recommended 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.
  • Page 49 ELECTRICAL CONNECTIONS Note: L2 is 2 to 3mm longer than L1 Positive DC cable Negative DC cable ① ② 3. Insert positive negative cables into corresponding cable glands. 4. Crimp the DC cables. The crimped cable must be able to withstand a tractive force of 400 Nm.
  • Page 50 ELECTRICAL CONNECTIONS 5. Insert crimped cables into corresponding connector housing until you hear a “clicking” sound. ① ② Positive power cable Negative power cable 6. Re-screw the cable glands to the connector housing. 7. Insert positive negative connectors into corresponding DC input terminals of the inverter until you hear a “clicking”...

  • Page 51: 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: Connecting the AC power cables...

  • Page 52: Ac Connector Installation

    ELECTRICAL CONNECTIONS 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. If the AC cable resistance is too high, then the AC voltage will increase;...
  • Page 53 ELECTRICAL CONNECTIONS A = 30 …50 mm B = 3…5 mm 2. Disassemble the connector in accordance with the following illustration. Guide the AC output cable through the cable gland. 3. Connect the AC cable in accordance with the following requirements and tighten the terminal using the Allen key.
  • Page 54 ELECTRICAL CONNECTIONS 4. Assemble the connector housing and screw the cable gland tight. 5. 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 55: Communication Interfaces

    ELECTRICAL CONNECTIONS Communication interfaces 5.9.1 Multifunctional Communication Port Please refer to the following table for the specific PIN assignments. ① ② ③ Housing Body Sealing Sealing claw ④ Definition Function Note RS485differential RS485A1-1 signal+ RS485differential RS485A1-2 signal+ Wired monitoring or inverter RS485differential cascade monitoring RS485B1-1...
  • Page 56 ELECTRICAL CONNECTIONS RS485differential RS485A2 signal+ Communicate with electricity RS485differential meters RS485B2 signal- CAN0_H CAN high data Used for communication with CAN0_L CAN low data lithium battery BMS, the GND.S BMS communication GND inverter can automatically RS485differential identify the battery BMS 485TX0+ signal+ communication as CAN or...
  • Page 57 ELECTRICAL CONNECTIONS 5.9.3 Energy meter The integrated energy management functions integrated of the HYD 5K...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 energy meter with CTs (CT up to 200 A default), or using directly connected energy meter (up to 80 A).
  • Page 58 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  Ambient temperature: -40℃~85℃...
  • Page 59 ELECTRICAL CONNECTIONS Energy Meter Configuration The energy meter is preconfigured to be used with the inverter with these settings: Modbus Address: 1 Baud Rate: 9600 Current Ratio: 40:1 In case you want to change or check the settings, please refer to below procedure: Modbus Address and Baud Rate setting Current Ratio setting...
  • Page 60 ELECTRICAL CONNECTIONS 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 61 ELECTRICAL CONNECTIONS On-grid / EPS mode Below is the diagram for switching mode 1 (Relay Open In EPS) and how it can be used to switch a N-PE connection during off- grid mode: On-grid (relay mode 1 “Relay Open In EPS”): Pin 16 12 V Pin 14...
  • Page 62 ELECTRICAL CONNECTIONS EPS mode (relay mode 1 “Relay Open In EPS”): Pin 16 No voltage Pin 14 Relay mode 2 (Relay Close In EPS) switches the contact in the opposite direction, i.e. in the on-grid mode there is no voltage, in the EPS mode there is voltage.
  • Page 63 ELECTRICAL CONNECTIONS 5.9.7 Communication power supply The power supply can be used for the external power supply, or for the switching contact. Max. 400 mA / 5 W. 5.9.8 CT Interface For configurations according to System A, CTs are directly connected to the inverter without an energy meter.
  • Page 64 ELECTRICAL CONNECTIONS 2. Connect and lock the connector by turning it clockwise. 5.9.9 Link Port In systems with multiple inverters, you can connect the devices in a Master/Slave configuration. In this configuration, only one energy meter is connected to the Master inverter for the system control.
  • Page 65 ELECTRICAL CONNECTIONS NOTE  The first and last inverter need to be connected with the 8 Pin connection terminals!  Multiple inverters connected in parallel shall be of the same power model with the same power and battery configuration. Pin Connections Definition Function IN_SYN0...
  • Page 66 ELECTRICAL CONNECTIONS Definition Function SYN_GND0 Synchronising signal GND 0 CANH CAN high data IN_SYN1 Synchronising signal1 SYN_GND1 Synchronising signal GND 1 SYN_GND2 Synchronising signal GND 2 IN_SYN2 Synchronising signal 2 Installation 1. Connect and lock the connector by turning clockwise: 5.9.10 DRMs/Logic interface The DRMs/Logic interface is used to control the inverter by external signals, usually provided from grid operators with...
  • Page 67 ELECTRICAL CONNECTIONS Connector inverter RJ45 Cable (clip is below) Please follow below installation steps. 1. Press the wire terminals in colour sequence: 2. Route the cable terminal through the cable gland and insert the communication cable into the RJ45 connector. 3.
  • Page 68 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 69 ELECTRICAL CONNECTIONS Demand response modes (DRMs) Logic interface for VDE-AR-N 4105:2018-11 This function serves to control and/or limit the output power of the inverter. The inverter can be connected to a radio ripple control receiver in order to dynamically limit the output power of all inverters within the system.
  • Page 70 ELECTRICAL CONNECTIONS The inverter is preconfigured on the following power levels: Name Inverter Radio ripple control receiver Relay 1 input K1 - output relay 1 Relay 2 input K2 - output relay 2 Relay 3 input K3 - output relay 3 Relay 4 input K4 - output relay 4 Ground...

  • Page 71: Feed-In Limitation Function

    ELECTRICAL CONNECTIONS Logic interface for EN50549-1:2019 The active power output can be ended within five seconds following a command to the input interface. Functional description of the terminal Name Inverter Radio ripple control receiver Relay 1 input K1 - output relay 1 Ground Relay, common ground The inverter is preconfigured on the following power levels.

  • Page 72: System Monitoring

    ELECTRICAL CONNECTIONS Feed-in limitation: The sum of the feeding-in phases must not exceed the set power limitation value. The power of phases drawing power from the grid is disregarded here. 3-phase limit: The sum of the feed-in power of all three phases must not exceed the set power limit value.

  • Page 73: Installation Of The Wifi, Ethernet Stick

    ELECTRICAL CONNECTIONS 5.11.2 WiFi, Ethernet stick When you have installed the stick logger, the inverters can directly upload your operating, energy and alarm data in the SolarMAN monitoring portal. 5.12 Installation of the WiFi, Ethernet stick 1. Remove the protective cap from the USB interface. 2.
  • Page 74 5.12.1 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. Carry out the following steps in order to configure the WiFi stick: 1.
  • Page 75 ELECTRICAL CONNECTIONS 5.12.2 Setting up the WiFi stick with the app To download the app, search for “SOLARMAN” in the Apple or Google Play store, or use the following QR codes:  SOLARMAN Smart (for end customers):  SOLARMAN Business (for installers): Configuration steps 1.
  • Page 76 ELECTRICAL CONNECTIONS 7. The WiFi stick is configured with the access data. WiFi stick status The LEDs on the WiFi stick provide information regarding the status: Status Description NET: Communication On: Connection to server successful with the router Flashing (1 sec.): Connection to router successful Flashing (0.1 sec.): WPS mode active...
  • Page 77 ELECTRICAL CONNECTIONS If you wish to set up a fixed IP address, connect a PC to the Ethernet stick and open the configuration page via the web address 10.10.100.254.

  • Page 78: Commissioning The Inverter

    COMMISSIONING THE INVERTER Commissioning the inverter Safety test before commissioning 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 79: Initial Setup

    3) Safety parameter You need to read the Country Code import setting from a USB drive. Alternatively, the mobile app “Sofar View” can be used for this setting, if you are logged in as a validated installer 4) Set the input channel With the Input Channel Configuration you define if batteries are connected and in what configuration.
  • Page 80 COMMISSIONING THE INVERTER 5) Set battery parameters Default values can be set according to the input channel configuration in Menu Advanced Settings – Battery Parameter: Select Battery Type Battery Address: 00 for the 1 battery, 01 for the 2 battery etc.
  • Page 81 COMMISSIONING THE INVERTER EPS Mode, Unbalanced Support, Anti-Reflux Mode and Logic interface are disabled. 6.4.1 Configuring the battery setup The ME 5K ... 8KTL-3PH models have one battery input (max. current 25 A). The ME 10K ... 20KTL-3PH models have two battery inputs (max.
  • Page 82 COMMISSIONING THE INVERTER Code Country Code Country 000* Germany VDE4105 Cyprus Germany BDEW India 002* Germany VDE0126 Philippines Italia CEI-021 New Zealand Internal 001* Italia CEI-016 Italia Brazil Italia CEI-021 002* Brazil LV External Italia CEI0-21 In Brazil 230 Areti Australia-A Brazil 254 Australia-B...
  • Page 83 COMMISSIONING THE INVERTER IEC EN61727 Korea Sweden Europe General Note: The national safety regulation enables the function of low pressure through by default, so the off-grid conversion time is greater than 20ms. 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 84 COMMISSIONING THE INVERTER Region Australia Australia Australia Zealand Under- Protective frequency function 47Hz 47Hz 45Hz 45Hz limit value (F<) Trip delay time Maximum disconnection time Over- Protective frequency function 52Hz 52Hz 55Hz 55Hz limit value (F>) Trip delay time Maximum disconnection 0.2s 0.2s...

  • Page 85: Smartphone App Sofar View

    Inverter reactive output (Q) % of 60% sinking supplying Srated Smartphone app SOFAR View The app is available for Android and iOS systems and allows for easy initial setup as well as advanced configurations. Download link: Android After switching on the inverter, the app finds the unit via Bluetooth under its serial number.

  • Page 86: Setting Power Quality Response Modes

    COMMISSIONING THE INVERTER NOTE  If the Bluetooth connection does not work, please carry out a firmware update of the inverter. Setting power quality response modes The setting and viewing method of power quality response mode and power grid protection. Once the power quality and grid settings have been selected at commissioning, these settings will be locked, end customers cannot modify by themselves.

  • Page 87: Operation Of The Device

    OPERATION OF THE DEVICE Operation of the device This chapter describes the LCD and LED displays of the ME 5K ... 20KTL-3PH inverter. Control panel and display field 7.1.1 Buttons and display lights Buttons Button Name Description Back Previous screen, enter menu Select previous menu item, increase setting...

  • Page 88: 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: Press down button to show Grid Output Information such as voltage, current and frequency Press down button to show Grid Information such as power and IMPORT PF...

  • Page 89: Energy Storage Modes

    OPERATION OF THE DEVICE Press down button again show Battery parameters like current, power, state of charge etc. Energy storage modes The ME 5K … 20KTL-3PH comes with several integrated energy management modes. 7.3.1 Self-use Mode In the Self-use mode, the inverter will automatically charge and discharge the battery according to the following rules: If PV generation equals the load consumption (ΔP <...
  • Page 90 OPERATION OF THE DEVICE If the PV generation is less than load consumption, it will discharge the battery to supply power to the load. If PV generation plus Battery discharge power is less than the load, the inverter will import power from the grid.
  • Page 91 OPERATION OF THE DEVICE 02h00m -04h00m 070% 01000W Effective date Dec.22 Mar.21 Weekday select Mon. Tue. Wed. Thu. Fri. Sat. Sun. If no rule applies, the Self-use Mode is active. 7.3.3 Timing Mode With the Timing Mode you can define fixed times of the day to charge or discharge the battery with a certain power.
  • Page 92 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 93: Menu Structure

    OPERATION OF THE DEVICE DG charge: After the battery enters the state of power loss, it is transferred to the generator to carry the load and charge the battery. 2.AC Charge AC Charge: The sum of the power input to the power grid or generator after battery loss and when charging the battery.
  • Page 94 OPERATION OF THE DEVICE NOTE  The menu layout may vary according to different firmware versions. “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.
  • Page 95 OPERATION OF THE DEVICE simultaneous monitoring), standard: Baud Rate: The default baud rate is 9600 “Advanced Settings” menu In this menu you can do advanced settings. 1. Battery Parameter Set the battery parameters for Battery 1 and Battery 2. Depending on the selected Battery Type, more settings can be adjusted.
  • Page 96 OPERATION OF THE DEVICE Discharge Depth (%) Max. allowed discharge depth (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. Discharge Depth Max. Depth of Discharge (DOD) for grid-connected mode.
  • Page 97 OPERATION OF THE DEVICE be found in the “Communications interfaces” chapter of this manual Anti Reflux mode Disable: Do not use this function Three phase limit: the sum of all phases is regulated (balancing counting as is common in Germany). Anti Reflux: the power of the feeding-in phases is limited.
  • Page 98 OPERATION OF THE DEVICE the inverter if the device is not found by the Sofar View App 8. CT Calibration This function is used to correct the direction and grid phase assignment of the CTs directly connected to the inverter. During...
  • Page 99 OPERATION OF THE DEVICE When the "Relay Open In EPS" is selected in the off-grid Mode of the inverter, the external relay is disconnected through the dry contact (output low level). In other states, the external relay is closed through the dry contact (output high level).
  • Page 100 OPERATION OF THE DEVICE Level, Safety Firmware Version Inverter Info (2) Software Version, Country, Country Code Version Inverter Info (3) Bat Channel1, Bat Channel2 Inverter Info (4) Energy Storage Mode, RS485 Address, EPS Mode Inverter Info (5) DRM0 Control, PF Time Setting, QV Time Setting, Power Factor Inverter Info (6) Anti...

  • Page 101: Firmware Update

    OPERATION OF THE DEVICE Current event Show latest event Event History Show event history Fault information 001 ID04 06150825 (display of the event sequence number, event ID number and time that the event takes place) “Sofatware update” menu The user can update the software via the USB flash drive. SOFARSOLAR will provide the firmware update when it is required.
  • Page 102 OPERATION OF THE DEVICE 11. You check current software version item "1.Inverter Info (2)" of the SystemInfo menu. Enter the password (the standard password is 0715) to see it.

  • Page 103: 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. If no error information is displayed on the screen, check whether the following requirements have been fulfilled: ...

  • Page 104: Error List

    TROUBLESHOOTING HANDLING needs to be on the main menu page. Select advanced Settings - Switch On/Off- Switch On. start up to enable the inverter to start up and run. 3. Disconnect the AC circuit breaker connecting the inverter power grid port to the power grid. 4.
  • Page 105 TROUBLESHOOTING HANDLING The voltage of the possible cause is that ID002 GridUVP mains is too low the electric grid is abnormal occasionally. The mains Inverter will ID003 GridOFP frequency is too automatically return to high normal operating status when the electric grid’s back to normal.
  • Page 106 TROUBLESHOOTING HANDLING Island protection abnormal occasionally. ID008 IslandFault fault Inverter will automatically return to Transient normal operating status ID009 GridOVPInstant1 overvoltage of when the electric grid’s mains voltage 1 back to normal. Transient If the alarm occurs ID010 GridOVPInstant2 overvoltage of frequently, check whether mains voltage 2 the grid...
  • Page 107 TROUBLESHOOTING HANDLING sampling error (AC) Leakage current ID021 GFCIDeviceFault(DC) sampling error (DC) Leakage current ID022 GFCIDeviceFault(AC) sampling error (AC) Error in dc ID023 HwADFaultDCV component sampling of load voltage DC input current ID024 HwADFaultIdc sampling error Leakage current ID029 ConsistentFault_GFCI consistency error The line voltage sample between the...
  • Page 108 TROUBLESHOOTING HANDLING is a short circuit, the fault should be repaired in time. Check the PE conductor ID043 PEConnectFault Earth fault for function Check the input mode (parallel/independent Incorrect input ID044 InputConfigError mode) Settings for the mode configuration inverter. If not, change the input mode.
  • Page 109 TROUBLESHOOTING HANDLING heat sink 5 is below the inverter temper ature limit. Temperature error ID055 TempFault_HeatSin6 heat sink 6 Temperature error ID057 TempFault_Env1 ambient temperature 1 Temperature error ID059 TempFault_Inv1 module 1 Asymmetrical bus ID065 VbusRmsUnbalance voltage RMS Internal error of the The transient inverter.
  • Page 110 TROUBLESHOOTING HANDLING Inverter bus inverter, wait 5 minutes voltage RMS and then switch the unit ID072 SwBusRmsOVP Software on again. overvoltage If the error persists, contact technical Inverter bus support. voltage ID073 SwBusInstantOVP instantaneous Software overvoltage Software overcurrent ID081 SwBatOCP protection of the battery Dci overcurrent...
  • Page 111 TROUBLESHOOTING HANDLING Mains current is too high and has ID103 HwACOCP triggered hardware protection Communication Check communication to ID105 MeterCommFault fault with meter meter. unit Overload ID110 Overload1 protection 1 Please check whether the Overload ID111 Overload2 inverter is operating protection 2 under overload.
  • Page 112 TROUBLESHOOTING HANDLING Bus voltage is too If the error persists, high and has contact technical ID130 unrecoverBusOVP caused a non- support. recoverable fault Permanent bus ID131 unrecoverHwBusOVP hardware failure due to overvoltage Input current is unbalanced and has ID132 unrecoverIpvUnbalance caused an unrecoverable fault...
  • Page 113 TROUBLESHOOTING HANDLING Check the inverter's WiFi ID146 WifiFault Wifi error connection. Check the Bluetooth ID147 BluetoothFault Bluetooth error connection of the inverter. ID148 RTCFault RTC clock failure EEPROM error of ID149 CommEEPROMFault the communication Internal error of the card inverter. Switch off the Communication card ID150 FlashFault...
  • Page 114 TROUBLESHOOTING HANDLING connection of the battery and the inverter for errors. The inverter has been ID161 ForceShutdown Forced shutdown forcibly disconnected. The inverter is shut down ID162 RemoteShutdown Remote shutdown remotely. The inverter is running ID163 Drms0Shutdown DRM 0 shutdown with a Drms0 shutdown.
  • Page 115 TROUBLESHOOTING HANDLING BMS low If the error persists, ID180 BMS UTP temperature contact technical warning support. BMS overload warning during ID181 BMS OCP charging and discharging BMS Short circuit ID182 BMS Short alarm ID183 BMS VerFault BMS version fault Please contact technical BMS CAN version support.

  • Page 116: Maintenance

    TROUBLESHOOTING HANDLING Maintenance Inverters generally do not need any daily or routine maintenance. 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 117: Technical Data

    TECHNICAL DATA Technical Data ME 5KTL- ME 6KTL- ME 8KTL- ME 10KTL- ME 15KTL- ME 20KTL- Model AC output (on grid ) Rated output power 5000W 6000W 8000W 10000W 15000W 20000W Rated apparent 5000VA 6000VA 8000VA 10000VA 15000VA 20000VA power Rated output current 7.2A 8.7A...
  • Page 118 TECHNICAL DATA Max. output current THDv(@ linear load) <3% Switching time <10ms Efficiency Max. MPPT 99.9% efficiency Max. efficiency 98.2% European efficiency 97.5% 97.7% Max. efficiency of charging/discharging 97.6% 97.8% Protection DC switch PV reverse connection protection Battery reverse connection protection Output short circuit protection...
  • Page 119 TECHNICAL DATA EN61000-1, EN61000-2, EN61000-3, EN61000-4, EN61000-4-16, EN61000-4-18, EN61000-4- 29，IEC62109-1, IEC62109-2, NB-T32004/IEC62040-1，AS/NZS 4777, VDE V 0124-100, V0126- Standard 1-1, VDE-AR-N 4105, CEI 0-21/CEI 0-16, EN50438/EN50549, G83/G59/G98/G99, UTE C15-712- 1, UNE206 007-1 [1] Battery-AC maximum efficiency of battery charge and discharge [2] Standby loss at rated input voltage [3] Maximum number of parallel machines of the same model...

This manual is also suitable for:

Me 6ktl-3phMe 8ktl-3phMe 10ktl-3phMe 15ktl-3phMe 20ktl-3ph

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