CONTENT Content About this manual Copyright declaration Structure of the manual Scope Target group Symbols used Basic safety information Safety information Symbols and signs Product features Product information Product dimensions Labeling on the device Functional features Application modes Installation Installation information Installation procedure Examination before installation Connections...
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Installation of the WiFi or Ethernet stick Commissioning the inverter Safety test before commissioning Double Check Starting the inverter Initial setup Smartphone App SOFAR Monitor Operation of the device Control panel and display field Standard display Energy storage modes Menu structure...
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.
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.
Basic safety information NOTE • If you have any questions or problems after reading the following information, please contact SOFAR. This chapter details the safety information pertaining to the installation and operation of the device. Safety information Read and understand the instructions within this manual and familiarise yourself with the relevant safety symbols in this chapter before beginning with the installation of the device and eliminating any faults.
• 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. 2.1.2 Installation requirements Please install the inverter according to the information contained in the following section.
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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. HYD 5K ... 20KTL-3PH...
BASIC SAFETY INFORMATION 2.1.6 Operation DANGER Electric shock • Contact with the electrical grid or the device's terminals may result in an electric shock or fire! • Do not touch the terminal or the conductor which is connected to the electrical grid.
BASIC SAFETY INFORMATION ATTENTION Unauthorized repairs! • Following the elimination of any faults, the inverter should be fully functional 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.
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.
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.
PRODUCT FEATURES Labeling on the device Labelling 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.
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PRODUCT FEATURES 5. A maximum cos phi of 0.8 is supported in emergency power mode. 6. Up to 2 battery strings with a combined maximum charging and discharging current of 50 A. 7. Wide battery input voltage range (180–800 V). 8.
PRODUCT FEATURES 3.4.2 Electrical block diagram NOTE • Electrical schematic diagram for HYD 5…20KTL-3PH (2024). HYD 5…20KTL-3PH (2024) has built in- Relay4* N-PE. DC Switch MPPT Softer BUS+ MPPT BUS_N Balanced GFCI Relay1 GRID Filter Filter Circuit Softer BUS_N Battery1 Softer Battery1 Relay3...
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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 3-7 System without battery HYD 5K...20KTL-3PH...
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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.
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PRODUCT FEATURES 3.5.5 System with multiple inverters (5–120 kVA) Up to 6 inverters can be connected in parallel, to the grid and EPS connections, resulting in an EPS output of up to 120 kVA. Figure 3-9 System with multiple inverter NOTE •...
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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.
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PRODUCT FEATURES 3.5.7 Unbalanced load By enabling the “Unbalanced load” option, the inverter compensates unbalanced loads either in EPS mode. Figure 3-11 Unbalanced load (EPS mode) Figure 3-12 Unbalanced load (On Grid) HYD 5K...20KTL-3PH...
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.
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.
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INSTALLATION Quantity Pcs. Image Description 5…8kW 10…20kW 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...
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INSTALLATION Quantity Pcs. Image Description 5…8kW 10…20kW Quick installation guide Warranty card Quality certificate Test report, output test USB acquisition stick (WiFi) Connector accessories HYD 5K...20KTL-3PH...
INSTALLATION Connections CAUTION Damage during transportation • Please check the product packaging and connections carefully prior to installation. Figure 4-1 HYD 5…20KTL-3PH inverter overview Battery connection DC switch ① ② PV input terminals AC load connection ③ ④ AC grid connection USB/WiFi ⑤...
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 Phillips screwdriver Used to remove and install the screws of the AC...
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INSTALLATION Tool Model Function Measuring tape Used to measure distances Spirit level Used to align the wall bracket ESD gloves for the installer Safety goggles for the installer Anti-dust respiratory for the installer mask HYD 5K ... 20KTL-3PH...
INSTALLATION Installation Environment Requirements • Choose a dry, clean, and tidy place, convenient for installation. • Ambient temperature range: -30…+60°C. • Relative humidity: 5…95% (non-condensed). • The inverter shall be installed in a well-ventilated place. • Do not place the inverter close to flammable or explosive materials. •...
INSTALLATION Minimum distances for individual HYD 5…20KTL-3PH inverters: 30 cm Figure 4-3 Minimum distances for individual inverter Minimum distances for several HYD 5…20KTL-3PH inverters: 200 mm 200 mm Figure 4-4 Minimum distances for several inverter Unpacking the inverter 1. Open the packaging and grip underneath the inverter at the sides with both hands.
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INSTALLATION Figure 4-5 Moving the inverter 2. Lift the inverter out of the packaging and move it to its installation position. 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. •...
INSTALLATION Installation of the inverter 1. Hold the wall bracket in the desired place and mark the four holes. Put the wall bracket aside and drill the holes. 2. Guide the spread screw M8*80 into the hole vertically and ensure that its insertion depth is sufficient.
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 3000-H 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).
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4.10.2 Connecting BTS 5K / RBS5000 batteries Using SOFAR's own battery module BTS 5K / RBS5000 is a way to build scalable battery systems. A BTS E5-DS5 / RBS5000-5kWh battery system has a nominal capacity of 5.12 kWh, allowing multiple configurations for one tower from 5.12 kWh (BTS E5-DS5 / RBS5000-5kWh) to 20.48 kWh (BTS E20-DS5 / RBS5000-...
CAN0_L Blue-white Pin 5 Below diagram is an example of how to connect the BTS / RBS battery system to SOFAR's HYD 10…20KTL-3PH. 4.10.3 Cable Adapter For even easier installation of BTS 5K / RBS5000 systems, we are supplying an additional prefabricated cable adapter, which connects from the inverters’...
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INSTALLATION Figure 4-9 System with BTS 5K / RBS5000 battery 4.10.4 Configurations BTS / RBS Battery for HYD 5...8KTL-3PH HYD 5K ... 20KTL-3PH...
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INSTALLATION 4.10.5 Configurations BTS / RBS Battery for HYD 10...20KTL-3PH 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. •...
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INSTALLATION • 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. Otherwise, the EPS cannot be used.
ELECTRICAL CONNECTIONS Electrical connections Safety instructions This topic describes the electrical connections of the inverter HYD 5K...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 connection.
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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...
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ELECTRICAL CONNECTIONS The DVC (decisive voltage classification) is the circuit voltage which constantly occurs between two arbitrary live parts during proper use in a worst-case scenario: 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)
ELECTRICAL CONNECTIONS System Electrical Topology The inverters AC GRID and AC LOAD are wired with different N and PE wires depending on the regulatory requirements in different regions. For users in Australia, South Africa and New Zealand, please use the System Electrical Topology in Figure 5-2.
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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. •...
ELECTRICAL CONNECTIONS NOTE • In system 2, Neutral Point Grounding is disabled by default. • No manual setup required. Smart Meter/CT There are different system configurations possible depending on the user's requirements, existing electrical infrastructure and local regulations. The distribution box must be configured to comply to the grid operator requirements.
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ELECTRICAL CONNECTIONS 5.4.1 System A: direct measurement with CT‘s (3000:1) Figure 5-3 Electrical connections (Plan A: CT) HYD 5K ... 20KTL-3PH...
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ELECTRICAL CONNECTIONS 5.4.2 System B: measurement with smart meter + CT‘s (200 A/5 A default) Figure 5-4 Electrical connections (Plan B: Meter+CT) HYD 5K...20KTL-3PH...
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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...
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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 24 mm Diameter Table 5-6 Smart Meter with CTs...
ELECTRICAL CONNECTIONS Electrical connection The electrical connection is established as follows: 1. Connect PE cable. 2. Connect DC input cable. 3. Connect battery cable. 4. Connect AC output power cable. 5. 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.
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ELECTRICAL CONNECTIONS Figure 5-6 Connecting PGND cable(a) NOTE • L2 is 2 to 3 mm longer than L1 2. Crimp the cable to the ring terminal: Figure 5-7 Connecting PGND cable(b) 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) HYD 5K...20KTL-3PH...
ELECTRICAL CONNECTIONS M6 Screws Ring terminal ① ② Threaded hole ③ Connecting the DC lines for the PV modules and battery NOTE • The connection steps of the battery and PV are the same, only the terminal specifications are different. The colour of the battery terminal is blue, the colour of PV terminal is black.
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ELECTRICAL CONNECTIONS Positive DC cable Negative DC cable ① ② NOTE • L2 is 2 to 3 mm longer than L1 3. Insert the positive and negative DC cables into the corresponding cable glands. 4. Crimp the DC cables. The crimped cable must be able to withstand a tractive force of 400 N·...
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ELECTRICAL CONNECTIONS Positive power cable Negative power cable ① ② 6. Re-screw the cable glands to the connector housing. Figure 5-12 Connecting PV(d) 7. 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...
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 5-14 Connecting PV(f)
ELECTRICAL CONNECTIONS 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; this may cause the inverter to become disconnected from the power grid.
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ELECTRICAL CONNECTIONS Figure 5-16 AC connection(a) A = 30~50mm B = 3~5mm 2. Disassemble the connector in accordance with the following illustration. Guide the AC output cable through the cable gland. Figure 5-17 AC connection (b) 3. Connect the AC cable in accordance with the following requirements and tighten the terminal using the Allen key.
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ELECTRICAL CONNECTIONS Table 5-8 AC connection description Connection Cable Phase 1 (brown) Phase 2 (black) Phase 3 (grey) Neutral conductor (blue) Earthing cable (yellow-green) 4. Assemble the connector housing and screw the cable gland tight. Figure 5-19 AC connection (d) 5.
ELECTRICAL CONNECTIONS 6. Connector accessories are divided into upper and lower parts. Attach the connector accessories to the connector and fasten. Use a cross screwdriver. Figure 5-20 HYD 5K ... 20KTL-3PH Connector accessories 5.10 Communication interfaces The positions of the communications interfaces of the HYD 5K...20KTL-3PH are displayed below: Figure 5-21 HYD 5K...20KTL-3PH interfaces Table 5-9 communication interfaces description...
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ELECTRICAL CONNECTIONS Connection Function USB port for firmware update and safety USB/WiFi parameter import; Port to connect Stick Logger ⑥ (WiFi) Demand Response Modes/Logic Interface to DRMs ⑦ control the inverter Multifunctional Communication Port ⑧ Link port 1 Master/Slave operation of multiple inverters ⑨...
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ELECTRICAL CONNECTIONS Table 5-10 COM interfaces description Function Definition Note Inverter monitoring and RS485 A1-1 RS485 Signal+ system control through RS485 A1-2 RS485 Signal + Modbus RTU RS485 B1-1 RS485 Signal - RS485 B1-2 RS485 Signal - Energy meter port RS485 A2 RS485 Signal + RS485 B2...
ELECTRICAL CONNECTIONS 5.10.2 RS485 For the monitoring and control of several inverters, you connect the RS485 wires in daisy-chain. At the last inverter, you need to terminate the bus with an 120 Ohm resistor between Pin 2 and 4. The data logger normally integrates the resistor already. Figure 5-23 RS485 communication connection 5.10.3 Smart meter...
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ELECTRICAL CONNECTIONS • The copper outer diameter should be more than 0.5 mm². • Keep away from power cables or other electric fields. • Use termination resistors at the ends of the RS485 line to improve signal quality Connect the grid phases to the Smart Meter Pins according to below drawing for correct functionality of the inverter.
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ELECTRICAL CONNECTIONS • 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℃ • Altitude: ≤3000m Smart meter with CTs connection (System B) Smart meter pins P2 Grid PIN5 PIN6...
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ELECTRICAL CONNECTIONS • 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℃ • Altitude: ≤3000m Smart Meter Configuration The smart meter is preconfigured to be used with the inverter with these settings: •...
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.
ELECTRICAL CONNECTIONS 5.10.6 Dry Contact The dry contact can start and stop a generator. NOTE • This function is available in 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 5-28 Dry Contact Wiring Diagram...
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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...
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ELECTRICAL CONNECTIONS 2. 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.
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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) Definition Function IN_SYN0 Synchronising signal 0 CANL CAN low data SYN_GND0 Synchronising signal GND 0 CANH CAN high data IN_SYN1...
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ELECTRICAL CONNECTIONS 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 inverters feed-in or purchases power by external signals, usually provided from grid operators with ripple control receivers or other means. The DRM0 can be used for a switch off signal from external grid protection devices.
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ELECTRICAL CONNECTIONS 2. Route the cable terminal through the cable gland and insert the communication cable into the RJ45 connector. Figure 5-37 DRM connection(c) 3. Lock the connector by turning clockwise: Figure 5-38 DRM connection(d) DRMs for AS/NZS 4777.2:2015 and AS/NZS 4777.2:2020 Also known as Inverter Demand Response Modes (DRMs).
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ELECTRICAL CONNECTIONS Colour Function orange/white DRM1/5 orange DRM2/6 green/white DRM3/7 blue DRM4/8 blue/white RefGen green DRM0 brown/white Internally shorted brown 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.
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ELECTRICAL CONNECTIONS DI 2 Relay2 engaged DI 3 Relay3 engaged 100% DI 4 Relay4 engaged Internal signal *) When using this function on your own, make sure that the normally open relay is disconnected before use, and provide the drive signal for the relay on your own.
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.
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! •...
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ELECTRICAL CONNECTIONS stick (see rating plate). When you are prompted for a password, you can find it on the label of the WiFi stick (PWD). 2. Open an Internet browser and enter the address 10.10.100.254. 3. Enter the username and password, which are both set to “admin” by default. The “Status”...
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ELECTRICAL CONNECTIONS Configuration steps 1. After starting the app, register as a new user or enter the current SolarMAN access data. 2. Create a new system and save the system data. 3. Scan the barcode of the stick logger to assign an inverter to the system. 4.
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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.
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.
COMMISSIONING THE INVERTER 5. Turn ON AC circuit breaker between the inverter LOAD port & critical load. 6. Inverter should start to operate now. Initial setup You need to set the following parameters before inverter starts to operate. Table 6-1 set the parameter Parameter Note 1) Language setting...
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Ensure that you have selected the correct country code according to regional authority requirements, and consult a qualified electrician or employees of electrical safety authorities. • SOFAR is not responsible for the consequences of selecting the incorrect country code. • The selected country code influences the device grid monitoring. The inverter continuously checks the set limits and, if required, disconnects the device from the grid.
COMMISSIONING THE INVERTER Smartphone App SOFAR Monitor The SOFAR Monitor 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.
OPERATION OF THE DEVICE Operation of the device This chapter describes the LCD and LED displays of the HYD 5/6/8/10/15/20KTL- 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...
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 Press up button, to show PV Information like voltage, power and frequency - Press up button again to show battery Information (BAT1) like current, power, state of charge etc.
OPERATION OF THE DEVICE Energy storage modes The HYD 5…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 <...
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OPERATION OF THE DEVICE generation plus Battery discharge power is less than the load, the inverter will import power from the grid. When forced charging is not triggered, the batteries in self-use Mode are charged only from PV generation. The priority of power supply: PV, Battery, Grid. The priority of power consumption: Loads, Battery, Grid.
OPERATION OF THE DEVICE 7.3.2 Time-of-Use Mode In this Time of-Use Mode the enable or disable charging Batteries could be within a specified period of time and the charging of batteries from Grid resource. Set Time-of-use Mode Rule 0: Enabled / Disabled From Charge 02h00m...
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.
OPERATION OF THE DEVICE situation, batteries start only when the load power exceeds a certain value, which reduces the maximum power of the connecting point and prolongs the battery life. 7.3.6 Off-grid Mode When the SOC of the battery is sufficient and can be discharged, it is preferred to use the battery in off-grid load mode (even if the power grid exists).
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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.
OPERATION OF THE DEVICE • In order to prevent generator damage during generator operation, PV and battery energy will not be output inversely. At this time, PV energy is used for battery charging. Menu structure Press the button to bring up the main menu. 7.4.1 Main menu 1.
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.
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. 1. Battery Parameters (Setting is only allowed if there is a battery channel.) Set the battery parameters for Battery 1 and Battery 2.
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OPERATION OF THE DEVICE can be discharged to a minimum energy level of 2 kWh. In this item you can check: 1. Depth of Discharg (on_gird DOD): Max. Depth of Discharge (DOD) for grid-connected mode. Standard 80%. When setting the BTS-5K / RBS5000 battery discharge depth, the maximum limit is 90% to prevent the battery from being too low to...
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NOTE: Automatic battery configuration (only available for SofarSolar battery types). Detects all battery modules and the assignment to the battery inputs. 2. Battery Active (Only available for SOFAR battery types.) 2.1 Auto Active Control Enable / Disable. HYD 5K ... 20KTL-3PH...
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OPERATION OF THE DEVICE If Automatic activation is enabled, the inverter will activate the battery when the inverter needs to discharge or charge the battery according to the operational mode settings. If automatic activation is disabled, the battery has to be activated manually by selection the “Force active”...
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OPERATION OF THE DEVICE 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: Set the current limit for the current flowing to the GRID.
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OPERATION OF THE DEVICE locked and cannot be reset, you need to enter password 5170 to clear the lock flag. 3.4.7 status query: View the current status.(State 1: Normal state; State 2: Critical state; State 3: Low power state; State 4: Fault state) 4.
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8. Reset Bluetooth Resets the Bluetooth interface of the inverter if the device is not found by the Sofar View App 9. CT Calibration This function is used to correct the direction and grid phase assignment of the CTs directly connected to the inverter.
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OPERATION OF THE DEVICE of the inverter will respond independently. Important: for this function to operate properly, the phase on the smart meter must correlate to the corresponding phase when it is wired into the inverter. 1. After setting the EPS mode enable in standby mode, the unbalanced support function will automatically start.
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OPERATION OF THE DEVICE PCC power bias to -100W so that the PCC power can reach 0W. 14. EPS GFCI Activates RCDM monitoring in EPS mode (300 mA) 15.NeutralPointGrounding When using off-grid mode, ensure that neutral ground is enabled. For Australia, South Africa, and New Zealand, neutral ground is turned off by default, refer to 5.3 System...
OPERATION OF THE DEVICE 7.4.4 “Energy Statistics” menu Today Press Down button to move between items Shows PV, Load, Export, Import, Charge, Month Discharge Energy (kWh) for the selected Year period Lifetime 7.4.5 “System Information” menu 1. Inverter Info Inverter Info (1) Serial number, Power Level Software Version (To view the software version, Inverter Info (2)
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(display of the event sequence number, event ID 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...
Please follow the steps below to update the firmware. 1. Insert the USB stick into the computer. 2. SOFAR will send the firmware update to the user. 3. Unzip the file and copy the original file to a USB stick. Attention: The firmware update file must be in the “firmware”...
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.
TROUBLESHOOTING HANDLING 3. Disconnect the AC circuit breaker connecting the inverter power grid port to the power grid. 4. Disconnect the AC breaker connecting the inverter load port to the emergency load. 5. Disconnect the PV side DC switch. 6. Turn off the battery and disconnect the DC switch between the battery and the inverter.
TROUBLESHOOTING HANDLING Error list 8.2.1 Inverter error list Code Name Description Solution The voltage of If the alarm occurs occasionally, the GridOVP the power grid possible cause is that the electric grid is too high is abnormal occasionally. Inverter will The voltage of GridUVP the mains is too...
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TROUBLESHOOTING HANDLING Code Name Description Solution operating status when the electric grid’s back to normal. If the alarm occurs frequently, check whether the grid voltage/frequency is within the acceptable range. If yes, please check the AC circuit breaker and AC wiring of the inverter. If the grid voltage/frequency is NOT VGridLineFau Power grid line...
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TROUBLESHOOTING HANDLING Code Name Description Solution Check the insulation resistance between the photovoltaic array and Insulation ground (ground), if there is a short IsoFault resistance is too circuit, the fault should be repaired in time. PEConnectFa Check the PE conductor for function Earth fault Check the input mode Incorrect input...
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TROUBLESHOOTING HANDLING Code Name Description Solution For Inner BMS battery, make sure that the battery NTC cable is properly connected. Make sure the inverter is installed where there is no direct sunlight. Temperature 050- TempErrHeat Please ensure that the inverter is error heat sink 1- Sink1-6 installed in a cool/ well-ventilated...
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TROUBLESHOOTING HANDLING Code Name Description Solution Check whether the voltage of the battery is higher than the maximum Battery input voltage of the inverter. If this is BatOVP overvoltage the case, adjust the number of battery modules in series. LLC Bus LLCBusOVP overvoltage protection...
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TROUBLESHOOTING HANDLING Code Name Description Solution PV software SwPvOCP overcurrent protection Balanced IbalanceOCP current protection Resonance ResOver protection Software SwAcCBCFau current limiting protection by wave PV branch software SwPvBranch overcurrent (enabled by default) LLC bus HwLLCBusOV hardware overvoltage Inverter bus HwBusOVP hardware overvoltage...
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TROUBLESHOOTING HANDLING Code Name Description Solution Make sure that the inverter has been installed in a cool and well-ventilated place without direct sunlight. The inverter has OverTempDe throttled due to Make sure the inverter is installed rating too high a vertically and the ambient temperature temperature is below the...
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TROUBLESHOOTING HANDLING Code Name Description Solution Permanent battery PermEPSBat overcurrent error in EPS mode Permanent PermAcOCPI error due to nstant transient overcurrent Permanent PermIacUnba unbalanced lance output current error The soft startup PermInvStart of the inverter Fail fails Check the MPPT input mode setting Permanent (parallel mode/independent mode) of PermInCfgErr...
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TROUBLESHOOTING HANDLING Code Name Description Solution The safety Check whether safety regulations version is SafetyVerFaul comply with local standards and inconsistent with the internal import correct safety parameters. safety version Upgrade software SCILose(DC) communication error (DC) Upgrade software SCILose(AC) communication error (AC) Download the latest firmware from Inconsistent...
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TROUBLESHOOTING HANDLING Code Name Description Solution BMS low BMS UTP temperature warning BMS overload warning during BMS OCP charging and discharging BMS Short Please contact technical support. BMS Short circuit alarm Check the ambient temperature and the battery temperature on the LCD. Battery Switch off the inverter, wait 5 minutes BatDischarge...
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TROUBLESHOOTING HANDLING Code Name Description Solution Internal error in the connected lithium battery. Switch off the inverter and the lithium battery, wait 401- 5 minutes and then switch the AFCI0/1 Arc pulling fault components on again. If the error persists, contact technical support.
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TROUBLESHOOTING HANDLING Name Description Solution If this fault occurs occasionally, wait a Internal few minutes to see whether the SciCommF communication problem is solved. If this fault occurs ault failure of battery frequently, please contact technical support. If this fault occurs occasionally, wait a Can1 few minutes to see whether the Can1Comm...
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TROUBLESHOOTING HANDLING Name Description Solution Permanent unrecoverH hardware wOCP overcurrent unrecoverB Permanent short- Restart the battery and wait for usSCP circuit protection minutes. If the problem is not Permanent unrecoverB resolved, please contact technical battery activation support. atActFail failed Check whether the wiring is correct Permanent bus unrecoverB and restart the battery.
TROUBLESHOOTING HANDLING Name Description Solution Restart the battery and wait for SwBusAvg Bus average minutes. If the problem is not undervoltage resolved, please contact technical support. 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.
DATASHEET DataSheet NOTE • The following parameters may change without notice,please refer to the user manual and Datasheet on our website. Model 6KTL- 10KTL-3PH- 20KTL- 5KTL-3PH 8KTL-3PH 10KTL-3PH 15KTL-3PH PV input Recommended 7500Wp 9000Wp 12000Wp 15000Wp 15000Wp 22500Wp 30000Wp Max. PV Power Max.
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DATASHEET Model 6KTL- 10KTL-3PH- 20KTL- 5KTL-3PH 8KTL-3PH 10KTL-3PH 15KTL-3PH Battery Battery Type [3] Lithium-ion & Lead-acid Voltage Range 180-800 Vd.c. Number of Battery Input Channels Max. Charging 5 kW 6 kW 8 kW 10 kW 10 kW 15 kW 20 kW Power Max.
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DATASHEET Model 6KTL- 10KTL-3PH- 20KTL- 5KTL-3PH 8KTL-3PH 10KTL-3PH 15KTL-3PH European 97.5% 97.5% 97.5% 97.7% 97.7% 97.7% 97.7% Efficiency Max. Efficiency of Charging/Dischargi 97.6% 97.6% 97.6% 97.8% 97.8% 97.8% 97.8% ng [4] Protection DC Switch PV Reverse Connection Protection Battery Reverse Connection Protection Output Short...
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[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. [5] Standby loss at rated input voltage.
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