Sofarsolar HYD 5KTL-3PH Installation And Operating Manual
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Sofarsolar HYD 5KTL-3PH Installation And Operating Manual

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HYD 5 ... 20KTL-3PH
Installation and
operating manual
Version 01 | May 2022
English
HYD 5KTL-3PH, HYD 6KTL-3PH, HYD 8KTL-3PH, HYD 10KTL-3PH, HYD
15KTL-3PH, HYD 20KTL-3PH

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  • Page 1 HYD 5 … 20KTL-3PH Installation and operating manual Version 01 | May 2022 English HYD 5KTL-3PH, HYD 6KTL-3PH, HYD 8KTL-3PH, HYD 10KTL-3PH, HYD 15KTL-3PH, HYD 20KTL-3PH...

  • Page 2: Table Of Contents

    TABLE OF CONTENT Table of 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 Labelling on the device Functional features Application modes Connecting GTX 3000-H batteries Installation...
  • Page 3 TABLE OF CONTENT Tools Installation Environment Requirements Installation location Unpacking the inverter Installation of the inverter Electrical connections Safety instructions Wiring overview System overview Electrical connection Connecting the PE cables Connecting the DC lines for the PV modules and battery Connecting the AC power cables AC connector installation Communication interfaces...
  • Page 4 TABLE OF CONTENT Initial setup Operation of the device Control panel and display field Standard display Energy storage modes Menu structure Firmware update Troubleshooting handling Troubleshooting Error list Maintenance Technical Data HYD 5K...20KTL-3PH...

  • Page 5: About This Manual

    Copyright declaration The copyright of this manual is owned by SOFARSOLAR. 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 6: Scope

    ABOUT THIS MANUAL Scope This product manual describes the installation, electrical connection, commissioning, maintenance and fault elimination procedures of the HYD 5K...20KTL-3PH inverters. 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.
  • Page 7 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 8: 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 within this manual and...
  • Page 9 SOFARSOLAR 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.
  • Page 10 BASIC SAFETY INFORMATION 2.1.3 Transport requirements The factory packaging is specifically designed to prevent transport damage, i.e. violent shocks, moisture and vibrations. However, the device must not be installed if it is visibly damaged. In this case, notify the responsible transport company immediately. 2.1.4 Labelling on the device The labels must NOT be concealed by items and foreign objects (rags,...
  • Page 11 Obtain authorisation 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, SOFARSOLAR shall assume no guarantee. 2.1.6 Operation DANGER Electric shock •...

  • Page 12: Symbols And Signs

    • The internal components of the inverter must NOT be opened without the relevant authorisation. Shenzhen SOFARSOLAR Co., Ltd. assumes no responsibility for any resulting losses or defects. Symbols and signs CAUTION...
  • Page 13 BASIC SAFETY INFORMATION 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. ATTENTION Implement earthing! • The PV generator must be earthed in accordance with the requirements of the local power grid operator! •...
  • 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 The HYD 5K...20KTL-3PH is a grid-coupled PV and energy storing inverter which can 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 16: Product Dimensions

    PRODUCT FEATURES HYD 5K...20KTL-3PH inverters may only be used with photovoltaic modules which do not require one of the poles to be earthed. In normal operation, the operating current must not exceed the limits specified within the technical data. The selection of the optional inverter parts must be determined by a qualified technician who has good knowledge of the installation conditions.

  • 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 DC output generated by the PV generator can be used for both grid feed-in and battery charging. The battery can supply the energy to the grid or the consumer. The emergency current supply mode (EPS) can provide inductive loads such as air conditioning systems or refrigerators with an automatic switchover time of less than 10 milliseconds, and a temporary...
  • Page 18 PRODUCT FEATURES Maximum efficiency when charging and discharging the battery (97.8%) Up to 2 battery strings with a combined maximum charging and discharging current of 50 A Wide battery input voltage range (180–800 V) The EPS output can be connected to unbalanced loads Up to 10 inverters can operate in parallel at the EPS connection and AC connection Monitoring via RS485 and WiFi, optionally via Bluetooth/GPRS...
  • Page 19 PRODUCT FEATURES 3.4.2 Electrical block diagram HYD 5K...20KTL-3PH...

  • Page 20: Application Modes

    PRODUCT FEATURES 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. PV panels Power Generation Date Monitoring Platform WiFi/GPRS， RS485,USB,CAN2.0 Hydbrid Inverter Smart Meter Grid Normal Load AMASS- Critical Load Storage...
  • Page 21 PRODUCT FEATURES 3.5.3 System without battery In this configuration, the battery unit(s) can be added later. PV panels Power Generation Date Monitoring Platform WiFi/GPRS， RS485,USB,CAN2.0 Hydbrid Inverter Smart Meter Grid Normal Load AMASS- Critical Load Storage Battery 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.
  • Page 22 PRODUCT FEATURES 3.5.5 System with multiple inverters (5–200 kW) Up to 10 inverters can be connected in parallel, to the grid and EPS connections, resulting in an EPS output of up to 200 kVA. PV panels PV panels Power Generation Date Monitoring Platform WiFi/GPRS，...
  • Page 23 PRODUCT FEATURES • In order to evenly distribute the loads among the inverters, the cable length between each output and the load must be the same. • If the maximum apparent power of a load is greater than 110% of the inverter' s rated output, the device must not be connected via the AC LOAD terminal, but rather directly to the grid.
  • Page 24 PRODUCT FEATURES PV panels PV panels Power Generation Date Monitoring Platform WiFi/GPRS， RS485,USB,CAN2.0 Grid-tied- Hydbrid Inverter Inverter Primary Smart Meter 2 Smart Meter 1 Grid Normal Load AMASS- Critical Load Storage Battery 3.5.7 Unbalanced load By enabling the “Unbalanced load” option, the inverter compensates unbalanced loads either in EPS mode or on-grid mode.

  • Page 25: Connecting Gtx 3000-H Batteries

    Normal Load 3 Battery Connecting GTX 3000-H batteries Using SOFARSOLAR's own battery system GTX 3000-H is the easiest way to build scalable battery systems. A GTX 3000 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 26 PRODUCT FEATURES reach 50 A / 70 A. If you connect both battery inputs in parallel, to increase the charging and discharging current, you can only connect 4 parallel battery systems in total with the same DC voltage (up to 100 kWh nominal capacity).
  • Page 27 PRODUCT FEATURES NOTE • Configuration of the battery setup should only be done when the inverter is in standby mode! Advanced Settings – 10. Switch on / off – Off • If a battery input is unused, ensure to set this in the inverter's system settings, for example: System Settings –...

  • Page 28: 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 29: Installation Procedure

    INSTALLATION Installation procedure Mechanical installation is performed as follows: Examine the inverter before installation Prepare the installation Select an installation location Transport the inverter Mount the rear panel Install the inverter Examination before installation 4.3.1 Checking the external packaging materials Packaging materials and components may become damaged during transportation.
  • Page 30 INSTALLATION No. Image Description Quantity Inverter HYD 5K ... 20KTL-3PH Wall bracket PV+ input terminal PV- input terminal MC4 connector contact PV+ MC4 connector contact PV- BAT input connector BAT+ connector contact BAT- connector contact Secured metal clamps at BAT+ power input cable M6 hexagon screw M8*80 expansion screws (wall bracket) AC grid connection...
  • Page 31 INSTALLATION No. Image Description Quantity 8-pole terminal Terminal resistance for parallel system DRM connection 6-pole connector for CT Three-phase smart meter DTSU666 CT with divided core (HY94C5-200 or AKH- 0.66/K-24 200A/5A) only for smart meters COM 16-pole connector M4X14 Phillips screw, triple (for DC switch lock) Temperature sensor NTC (5M) when using the internal BMS...

  • Page 32: Connections

    INSTALLATION Connections CAUTION Damage during transportation • Please check the product packaging and connections carefully prior to installation. ① Battery connection ② DC switch ③ PV input terminals ④ AC load connection ⑤ AC grid connection ⑥ USB/WiFi ⑦ DRMs ⑧...

  • Page 33: Tools

    INSTALLATION Tools Prepare the tools required for the installation and the electrical connection. No. Tool Model Function Hammer drill Used to drill holes in the Recommended wall. drill diameter: Screwdriver Wiring Phillips Used to remove and screwdriver install the screws of the AC terminal Removal tool Used to remove the PV...

  • Page 34: Installation Environment Requirements

    INSTALLATION No. Tool Model Function Marker Used for marking 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 for the installer respiratory mask Installation Environment Requirements •...

  • Page 35: Installation Location

    INSTALLATION Installation location Choose a suitable position for the installation of the inverter. Ensure that the following requirements have been fulfilled: Minimum distances for individual HYD 5K...20KTL-3PH inverters: HYD 5K...20KTL-3PH...

  • Page 36: Unpacking The Inverter

    INSTALLATION Minimum distances for several HYD 5K...20KTL-3PH inverters: 200 mm 200 mm Unpacking the inverter Open the packaging and grip underneath the inverter at the sides with both hands. HYD 5K...20KTL-3PH...

  • Page 37: Installation Of The Inverter

    INSTALLATION 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.
  • Page 38 INSTALLATION Guide the spread screw M8*80 into the hole vertically and ensure that its insertion depth is sufficient. Align the wall bracket with the hole positions and fasten by tightening the spread screw with the nuts. ① ② ③ Place the inverter in the wall bracket and fasten it with the M6 hexagon screw You can secure the inverter to the wall bracket using a lock.

  • Page 39: Electrical Connections

    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.
  • Page 40 1000 V. The connected PV modules must be compliant with IEC 61730 class Model Isc PV (absolute Maximum output maximum) overvoltage protection HYD 5KTL-3PH 15 A/15 A 8 A*3 HYD 6KTL-3PH 10 A*3 HYD 8KTL-3PH 13 A*3 HYD 10KTL-3PH...
  • Page 41 ELECTRICAL CONNECTIONS Interface PV input connection DVCC AC connection DVCC Battery connection DVCC Load connection DVCC USB/WiFi interface DVCA COM interface DVCA CT interface DVCA DRMs DVCA Link port DVCA HYD 5K...20KTL-3PH...

  • Page 42: Wiring Overview

    ELECTRICAL CONNECTIONS Wiring overview Component Description Recommended cable type + : Connect the positive cable of the Outdoor multicore lithium battery copper cable - : Connect the negative cable of the (4…6mm²) lithium battery + : Connect the positive cable of the PV array PV cable (4…6mm”) - : Connect the negative cable of the PV...

  • Page 43: System Overview

    ELECTRICAL CONNECTIONS System overview 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. The inverter has an integrated AC relay to disconnect all phases and Neutral from the grid in case of grid fault or grid outage.
  • Page 44 ELECTRICAL CONNECTIONS 5.3.1 System A: direct measurement with CTs HYD 5K...20KTL-3PH...
  • Page 45 ELECTRICAL CONNECTIONS 5.3.2 System B: measurement with energy meter + CTs HYD 5K...20KTL-3PH...
  • Page 46 ELECTRICAL CONNECTIONS 5.3.3 System C: measurement with only an energy meter HYD 5K...20KTL-3PH...

  • Page 47: Electrical Connection

    ELECTRICAL CONNECTIONS Energy Meter: DTSU666 (in scope of supply) 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 Electrical connection The electrical connection is established as follows: Connect PE cable Connect DC input cable Connect battery cable...
  • Page 48 ELECTRICAL CONNECTIONS ATTENTION Pole earthing not permissible! • As the inverter is transformerless, the plus and minus poles of the PV generator must NOT be earthed. Otherwise, the inverter will malfunction. In the PV system, not all live metal parts (e.g. PV module frames, PV frame, generator connection box housing, inverter housing) require earthing.

  • Page 49: Connecting The Dc Lines For The Pv Modules And Battery

    ELECTRICAL CONNECTIONS ① ② M6 washer Ring terminal ③ Threaded hole 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.
  • Page 50 ELECTRICAL CONNECTIONS Remove the crimp contacts from the positive and negative connections. Remove the insulation of the cables: Note: L2 is 2 to 3mm longer than L1 Positive DC cable Negative DC cable ① ② Insert the positive and negative DC cables into the corresponding cable glands.
  • Page 51 ELECTRICAL CONNECTIONS ① ② Positive power cable Negative power cable CAUTION Danger of reverse polarity! • Ensure that the polarity is correct before plugging into the DC connections! Insert the crimped DC cables into the corresponding connector housing until you hear a “clicking” sound. Re-screw the cable glands to the connector housing.

  • Page 52: 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 53 ELECTRICAL CONNECTIONS NOTE • The inverter HYD 5K...20KTL-3PH has a built-in AFI (univ. sensitive residual current protection). If an external AFI is required, we recommend an AFI 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 54: Ac Connector Installation

    ELECTRICAL CONNECTIONS AC connector installation CAUTION Electrical voltage • Ensure that the grid has been switched off before removing the AC connector Please follow below steps to install the AC connector. Select the suitable cable in accordance with above diagram. Remove the insulating layer of the AC output cable using a wire stripper and in accordance with the following illustration: A = 30 …50 mm...
  • Page 55 ELECTRICAL CONNECTIONS Connect the AC cable in accordance with the following requirements and tighten the terminal using the Allen key. Connection Cable Phase 1 (brown) Phase 2 (black) Phase 3 (grey) Neutral conductor (blue) Earthing cable (yellow-green) Assemble the connector housing and screw the cable gland tight. Connect the AC connector to the AC connection of the inverter by turning it clockwise until it locks into place.
  • Page 56 ELECTRICAL CONNECTIONS NOTE • Remove the AC connector by turning it anticlockwise. CAUTION Electrical voltage • Ensure that the grid has been switched off before removing the AC connector. HYD 5K...20KTL-3PH...

  • Page 57: Communication Interfaces

    ELECTRICAL CONNECTIONS Communication interfaces The positions of the communications interfaces of the HYD 5K ... 20KTL-3PH are displayed below: Connection Function USB port for firmware update and safety ⑥ USB/WiFi parameter import; Port to connect Stick Logger (WiFi, GPRS) Demand Response Modes/Logic Interface ⑦...
  • Page 58 ELECTRICAL CONNECTIONS 5.9.1 Multifunctional Communication Port Please refer to the following table for the specific PIN assignments. Function Definition Note Inverter monitoring and system RS485 A1-1 RS485 Signal+ control RS485 A1-2 RS485 Signal + RS485 B1-1 RS485 Signal - RS485 B1-2 RS485 Signal - Energy meter port RS485 A2...
  • Page 59 ELECTRICAL CONNECTIONS Remove the cable sheath at a length of 20 to 40 mm. Connect the wires according to the required functions and pins (refer to the table above). Close the housing and secure the cable gland by turning it clockwise.
  • Page 60 ELECTRICAL CONNECTIONS NOTE • The functions of the communications interface must be set on the inverter's LCD display. Please observe the operating steps in chapter 7. 5.9.2 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 3 and 4.
  • Page 61 ELECTRICAL CONNECTIONS 5.9.3 Energy meter NOTE • The energy meter DTSU666 0.05-1.5(6) A and (HY94C5- 200) CTs are supplied with the inverter. • Max. current input energy meter: 5 A • Max. measured current: 200 A (Ratio: 40:1) The integrated energy management functions integrated of the HYD 5K...20KTL-3PH require to measure the power flow at the point of grid interconnection.
  • Page 62 ELECTRICAL CONNECTIONS Energy meter with CT connection (System A, default) Energy meter pins Public grid HYD 5K...20KTL-3PH...
  • Page 63 ELECTRICAL CONNECTIONS NOTE • The arrows on the current transformers direct to the grid. • Up to 200 A measurement 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 Energy Meter direct connection (System C)
  • Page 64 ELECTRICAL CONNECTIONS In case you want to change or check the settings, please refer to below procedure: Modbus Address and Baud Rate setting Current Ratio setting 5.9.4 Temperature Sensor For batteries without a BMS (for example lead-acid batteries), you need to connect the temperature sensor which is within the scope of supply.
  • Page 65 ELECTRICAL CONNECTIONS 5.9.5 BMS connection For batteries with a BMS (for example Li-Ion batteries), you need to connect either the CAN Bus or RS485 with the battery management system. The inverter will use the CAN Bus or RS485 Bus according to the battery selection in the inverter's menu.
  • Page 66 ELECTRICAL CONNECTIONS Pin 16 12 V Pin 14 EPS mode: Pin 16 No voltage Pin 14 5.9.7 Communication power supply The power supply can be used for external communication devices. HYD 5K...20KTL-3PH...
  • Page 67 ELECTRICAL CONNECTIONS 5.9.8 CT Interface For configurations according to System A, CTs are directly connected to the inverter without an energy meter. These CTs must be purchased separately and need to have a max. current rating of 100 mA at the inverter connection. Please refer to the table below for the specific PIN connections.
  • Page 68 ELECTRICAL CONNECTIONS 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. HYD 5K...20KTL-3PH...
  • Page 69 ELECTRICAL CONNECTIONS NOTE • The first and last inverter need to be connected with the 8 Pin connection terminals! Pin Connections Definition Function IN_SYN0 Synchronising signal 0 CANL CAN low data SYN_GND0 Synchronising signal GND 0 CANH CAN high data HYD 5K...20KTL-3PH...
  • Page 70 ELECTRICAL CONNECTIONS Definition Function IN_SYN1 Synchronising signal1 SYN_GND1 Synchronising signal GND 1 SYN_GND2 Synchronising signal GND 2 IN_SYN2 Synchronising signal 2 Installation Connect and lock the connector by turning clockwise: 5.9.10 DRMs/Logic interface The DRM/Logic interface is used to control the inverter by external signals, usually provided from grid operators with ripple control receivers or other means.
  • Page 71 ELECTRICAL CONNECTIONS Please consider the following PIN assignment. Connector inverter RJ45 Cable (clip is below) Please follow below installation steps. Press the wire terminals in colour sequence: Route the cable terminal through the cable gland and insert the communication cable into the RJ45 connector. Lock the connector by turning clockwise: HYD 5K...20KTL-3PH...
  • Page 72 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 73 ELECTRICAL CONNECTIONS Colour Function 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.
  • Page 74 ELECTRICAL CONNECTIONS Name Inverter Radio ripple control receiver Relay 2 input K2 - output relay 2 Relay 3 input K3 - output relay 3 Relay 4 input K4 - output relay 4 Ground Relay, common ground Relay status: Closing is 1, opening is 0 Active power Cos (φ) 100%...

  • Page 75: Feed-In Limitation Function

    Relay status: Closing is 1, opening is 0 Active Power drop rate Cos (φ) power < 5 seconds 100% 5.10 Feed-in limitation function The Anti-Reflux Power function refers to SOFARSOLAR's feed-in limitation function. When this function is enabled, the feed-in power HYD 5K...20KTL-3PH...
  • Page 76 ELECTRICAL CONNECTIONS of point of common coupling (PCC) will be limited to the set Reflux Power limitation. Both the Hard Anti-Reflux Control and Anti-Reflux Control can be used together. However, when the Hard Anti-Reflux control is enabled, the Anti-Reflux power limitation cannot exceed the Reflux power limitation.
  • Page 77 Hard anti-reverse current is enabled by default in some safety settings. NOTE • Adjusting the hard anti-reverse current setting requires permission from SOFARSOLAR. • Only installers and distributors have the permission to use the Bluetooth APP for enabling/disabling settings, and setting up the feed-in limitation function. Refer to Advanced settings / 3 Anti Reflux in this manual for specific operation methods.

  • Page 78: System Monitoring

    ELECTRICAL CONNECTIONS 5.11 System monitoring The HYD 5K ... 20KTL-3PH inverters provide various communication methods for the system monitoring: RS485 or WiFi stick (standard), GPRS or Ethernet stick (optional). 5.11.1 RS485 You can connect RS485-linked devices to your PC or a data logger via an RS485 USB adapter.

  • Page 79: Installation Of The Wifi-, Gprs Or Ethernet Stick

    ELECTRICAL CONNECTIONS 5.12 Installation of the WiFi-, GPRS or Ethernet stick Remove the protective cap from the USB interface. Install the WiFi/GPRS/Ethernet stick. Tighten the connecting nut. 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.
  • Page 80 ELECTRICAL CONNECTIONS are prompted for a password, you can find it on the label of the WiFi stick (PWD). Open an Internet browser and enter the address 10.10.100.254. Recommended browsers: Internet Explorer 8+, Google Chrome 15+, Firefox 10+ Enter the username and password, which are both set to “admin”...
  • Page 81 ELECTRICAL CONNECTIONS Configuration steps After starting the app, register as a new user or enter the current solarMAN access data. Create a new system and save the system data. Scan the barcode of the stick logger to assign an inverter to the system.
  • Page 82 ELECTRICAL CONNECTIONS 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 Off: No connection to router Communication Flashing (1 sec.): Communication with inverter with inverter On: Logger connected to inverter Off: No connection to inverter READY...
  • Page 83 ELECTRICAL CONNECTIONS The GPRS stick must be set up via the SOLARMAN Business App: Observe the following steps: Open the app and call up the Bluetooth Tools menu item Identify the WiFi stick with the serial number and select it. Call up the “Custom”...
  • Page 84 ELECTRICAL CONNECTIONS You can check the status via the “Logger Status” and “Read” menu item. Depending on the grid operator, wait several minutes until the connection has been established and the status is normal: 5.12.4 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 85: 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 86: Starting The Inverter

    COMMISSIONING THE INVERTER For lithium battery, please ensure that the communication cable has been correctly connected. For the lead-acid battery, please ensure that the NTC wire has been correctly connected. Starting the inverter Please follow below steps to switch the inverter ON. Make sure there's no power generation in inverter's phase.
  • Page 87 COMMISSIONING THE INVERTER 3) Safety parameter You need to read the Country import Code setting from a USB drive. Alternatively, the mobile App 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 PV and / or batteries are connected and...
  • Page 88 COMMISSIONING THE INVERTER Battery Address: 00 for the 1 battery, 01 for the 2 battery etc. The default operating mode is the Self-use Mode. EPS Mode, Unbalanced Support, Anti-Reflux Mode, IV-Curve Scan and Logic interface are disabled. 6.4.1 Configuring the battery setup The HYD 5 ...
  • Page 89 • SOFARSOLAR 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.
  • Page 90 COMMISSIONING THE INVERTER Belgium 008-000 General 008-001 Brazil 028-000 220 V grid 028-001 028-002 230 V grid 028-003 254 V grid China 010-000 General 010-001 Taiwan 010-002 010-003 Croatia 107-000 Cyprus 024-000 Denmark 005-000 General 005-001 TR322 Dubai 046-000 DEWG 046-001 DEWG MV 018-000...
  • Page 91 COMMISSIONING THE INVERTER Greece 006-000 Continent 006-001 Islands India 025-000 Ireland 039-000 EN50438 Italy 001-000 CEI-021 Internal 001-001 CEI-016 Italy 001-002 CEI-021 External 001-003 CEI-021 In Areti 001-004 CEI-021 Internal-HV Korea 020-000 Lithuania 108-000 Mexico 035-000 Netherlands 007-000 General New Zealand 027-000 Philippines 026-000...
  • Page 92 COMMISSIONING THE INVERTER 044-001 Thailand 040-000 040-001 Ukraine 033-000 034-000 IEC EN61727 019-000 Wide range - 038-000 60 Hz LV range - 50 042-000 HYD 5K...20KTL-3PH...

  • Page 93: Operation Of The Device

    OPERATION OF THE DEVICE Operation of the device This chapter describes the LCD and LED displays of the HYD 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 value...

  • Page 94: 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 Up button, to show PV parameters like current, voltage and power Press down button to show grid parameters such as voltage, current and frequency...

  • Page 95: Energy Storage Modes

    OPERATION OF THE DEVICE Press down button again to show Battery 1 parameters like current, power, state of charge etc. Press down button again to show Battery 2 parameters like current, power, state of charge etc. Energy storage modes The HYD 5 … 20KTL-3PH comes with several integrated energy management modes.
  • Page 96 OPERATION OF THE DEVICE If the PV generation is less than the load consumption, it will discharge the battery to supply power to the load. generation plus Battery discharge power is less than the load, the inverter will import power from the grid.
  • Page 97 OPERATION OF THE DEVICE Rule 0: Enabled / Disabled From Charge 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 98 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 SOFARSOLAR if you need the Modbus protocol definition for this device. 7.3.5...

  • Page 99: Menu Structure

    OPERATION OF THE DEVICE 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 PV power is reduced by adjusting the MPPT If the PV generation is less than the load consumption, it will discharge the battery to supply power to the...
  • Page 100 OPERATION OF THE DEVICE 3. Safety Parameters Sets the country and grid code 4. Energy Storage Mode Select between Self-use mode (Standard), time-of-use mode, timing mode, passive mode. See “Storage Modes” chapter for details. 5. Auto-Test (only for Italy) 6. Input Channel With the Input Channel Configuration Configuration you define if PV and / or batteries are...
  • Page 101 OPERATION OF THE DEVICE “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. See details below.
  • Page 102 OPERATION OF THE DEVICE capacity can be discharged to a minimum energy level of 2 kWh. Discharge Depth Max. Depth of Discharge (DOD) for grid-connected mode. Standard EPS Discharge Depth Depth of Discharge (DOD) for EPS mode. Standard: 80% EPS Safety Buffer State of charge (SOC), where the battery will be recharged in EPS mode.
  • Page 103 OPERATION OF THE DEVICE sets the maximum feed-in power. This function must be used together with an external current transformer or the smart meter. Details regarding this can be found in the “Communications interfaces” chapter of this manual 4. IV Curve Scan Cyclical scanning of the IV curve in order to find the global point of the maximum output.
  • Page 104 OPERATION OF THE DEVICE Parallel Master/Slave One Inverter need to be set as Master (Primary), all other inverters need to be set to Slave (Replica) Parallel Address Set each inverter with an individual parallel address. (It is an independent number from Modbus Save After changes, select “save”...
  • Page 105 OPERATION OF THE DEVICE 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 energy meter and with this option set to "enable", the per phase output current of the inverter will respond independently.
  • Page 106 OPERATION OF THE DEVICE Inverter Info (1) Serial number, software versions Inverter Info (2) Hardware version, Power, Country Code Inverter Info (3) Input Channel 1 … 4 Inverter Info (4) Energy Storage Mode, RS485 Address, EPS Mode, IV Curve Inverter Info (5) Logic Interface, Grid code settings Inverter Info (6) Anti-reflux, Isolation resistance...

  • Page 107: Firmware Update

    Firmware update The user can update the software via the USB flash drive. SOFARSOLAR will provide the firmware update when it is required. Firmware update Switch the DC and AC switches off and then remove the communication cover.
  • Page 108 OPERATION OF THE DEVICE If an error message appears, switch off the DC switch and wait until the LCD screen goes out. Then, switch the DC switch back on and proceed with the update from step 5. 10. After the update is complete, switch the DC switch off and wait until the LCD screen goes out 11.

  • Page 109: 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 110 TROUBLESHOOTING HANDLING Press the "Back" on the main interface to enter the main menu page, and select Advanced Settings - On/off machine control - Shutdown. Make the inverter shut down safely. Note: after using the menu setting to shut down the inverter, the inverter should be checked and reenergising, it still needs to be on the main menu page.

  • Page 111: Error List

    TROUBLESHOOTING HANDLING 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. The alarm method is the same as above. NOTE • In the case of devices equipped with a stick logger, the alarm information can be viewed on the monitoring portal and retrieved via the smartphone app.
  • Page 112 TROUBLESHOOTING HANDLING repeatedly, contact technical support to adjust the voltage and frequency limits after obtaining approval from the local power grid operator. If the error occurs occasionally, it may be due to external factors. The inverter will automatically return to normal operation.
  • Page 113 TROUBLESHOOTING HANDLING Transient ID010 GridOVPInstant2 overvoltage of mains voltage 2 Fault in the mains ID011 VGridLineFault voltage Inverter ID012 InvOVP overvoltage Mains current ID017 HwADFaultIGrid measurement error DC current ID018 HwADFaultDCI measurement error Sampling error of ID019 HwADFaultVGrid(DC) the mains voltage (DC) Mains voltage ID020...
  • Page 114 TROUBLESHOOTING HANDLING The line voltage sample between ID030 ConsistentFault_Vgrid the master DSP and the slave DSP is not consistent. SPI communication ID033 SpiCommFault(DC) error (DC) SPI communication ID034 SpiCommFault(AC) error (AC) ID035 SChip_Fault Chip error (DC) Master chip error ID036 MChip_Fault (AC) Auxiliary voltage...
  • Page 115 TROUBLESHOOTING HANDLING Make sure that the battery does not get too hot. Battery ID049 TempFault_Bat temperature error Check that the temperature sensor has been correctly connected to the battery. Temperature error ID050 TempFault_HeatSink1 heat sink 1 Temperature error ID051 TempFault_HeatSink2 heat sink 2 Heat sink ID052...
  • Page 116 TROUBLESHOOTING HANDLING Temperature error ID061 TempFault_Inv3 module 3 ID062 TempDiffErrInv Asymmetrical bus ID065 VbusRmsUnbalance voltage RMS The transient value Internal error of the ID066 VbusInstantUnbalance of the bus voltage inverter. Switch off the is unbalanced inverter, wait 5 minutes and then switch the unit The DC bus on again.
  • Page 117 TROUBLESHOOTING HANDLING LLC Bus ID071 LLCBusOVP overvoltage protection Inverter bus voltage RMS ID072 SwBusRmsOVP Software overvoltage Inverter bus voltage ID073 SwBusInstantOVP instantaneous Software overvoltage Software Internal error of the overcurrent ID081 SwBatOCP inverter. Switch off the protection of the inverter, wait 5 minutes battery and then switch the unit Dci overcurrent...
  • Page 118 TROUBLESHOOTING HANDLING LLC bus hardware ID097 HwLLCBusOVP overvoltage Inverter bus ID098 HwBusOVP hardware overvoltage BuckBoost ID099 HwBuckBoostOCP hardware overflows Battery hardware ID100 HwBatOCP overflow PV hardware ID102 HwPVOCP overflows Mains current is too high and has ID103 HwACOCP triggered hardware protection Communication Check communication to...
  • Page 119 TROUBLESHOOTING HANDLING ambient temperature is below the temperature limit of the inverter. Mains frequency is ID114 FreqDerating too high Mains frequency is Make sure that the mains ID115 FreqLoading too low frequency and voltage are within the permissible AC voltage is too ID116 VoltDerating range.
  • Page 120 TROUBLESHOOTING HANDLING has caused an unrecoverable fault Permanent battery ID133 unrecoverEPSBatOCP overcurrent error in EPS mode Permanent error ID134 unrecoverAcOCPInstant due to transient overcurrent Permanent ID135 unrecoverIacUnbalance unbalanced output current error Permanent input Check the MPPT input ID137 unrecoverPvConfigError mode configuration mode setting (parallel error mode/independent mode)
  • Page 121 TROUBLESHOOTING HANDLING Check the Bluetooth ID147 BluetoothFault Bluetooth error connection of the inverter. ID148 RTCFault RTC clock failure EEPROM error of ID149 CommEEPROMFault the communication card Internal error of the Communication inverter. Switch off the ID150 FlashFault card FLASH error inverter, wait 5 minutes and then switch the unit ID152...
  • Page 122 TROUBLESHOOTING HANDLING Make sure your battery is compatible with the inverter. Lithium battery BMSCommunicatonFault ID157 communication CAN communication is (BMS 2) error recommended. Check the communication line or the connection of the battery and the inverter for errors. The inverter has been ID161 ForceShutdown Forced shutdown...
  • Page 123 TROUBLESHOOTING HANDLING ID173 FanFault5 Fan 5 fault ID174 FanFault6 Fan 6 fault ID175 FanFault7 Fan 7 fault Communication Check communication to ID176 MeterCommLose fault with meter meter unit BMS overvoltage ID177 BMS OVP alarm BMS Undervoltage ID178 BMS UVP alarm Internal error in the BMS High connected lithium battery.

  • Page 124: 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...

  • Page 125: Technical Data

    TECHNICAL DATA Technical Data HYD 5KTL- HYD 6KTL- HYD 8KTL- HYD 10KTL- HYD 15KTL- HYD 20KTL- Datasheet Battery Input Data Battery type Lithium-ion, Lead-acid No. of battery input Battery voltage range (V) 180-800 Battery voltage range for full 200-800 240-800 320-800 200-800 300-800...
  • Page 126 TECHNICAL DATA Output THDi (@Nominal < 3% output) AC Output Data (Back-up) Nominal output power (W) 5000 6000 8000 10000 15000 20000 Max. output power (VA) 5500 6600 8800 11000 16500 22000 Peak output power, duration 10000, 60 12000, 60 16000, 60 20000, 60 22000, 60...
  • Page 127 TECHNICAL DATA DC terminal Grid AC terminal 5P Connector Back-up AC terminal 5P Connector Display LCD Display Monitoring interfaces RS485 / WiFi / CAN2.0 / Ethernet / Bluetooth Parallel operation Standard warranty Standard 5 years, optional: up to 20 years Certifications &...
  • Page 128 TECHNICAL DATA Shenzhen SOFARSOLAR Co., Ltd. 11/F, Gaoxinqi Technology Building, District 67, XingDong Community, XinAn Street, Bao'an District, Shenzhen, China SOFARSOLAR GmbH Krämerstrasse 20 72764 Reutlingen Germany Email: service@sofarsolar.com Web: www.sofarsolar.com HYD 5K...20KTL-3PH...

This manual is also suitable for:

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

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