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LIVOLTEK iPower AES1-3KEG1 User Manual

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USER MANUAL
iPower AES1-3K/3.6K/4.6K/5KEG1
Copyright Declaration
The copyright of this manual belongs to Hangzhou Livoltek Power Co., Ltd. Any corporation or individual
should not plagiarize, partially or fully copy and no reproduction or distribution of it in any form or by any
means. All rights reserved.
LVIP6521-EN-V01-2411

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Summary of Contents for LIVOLTEK iPower AES1-3KEG1

  • Page 1 AES1-3K/3.6K/4.6K/5KEG1 Copyright Declaration The copyright of this manual belongs to Hangzhou Livoltek Power Co., Ltd. Any corporation or individual should not plagiarize, partially or fully copy and no reproduction or distribution of it in any form or by any means.

  • Page 2: Table Of Contents

    CONTENT 1. About This Manual ............1 1.1 Scope of Validity ..............1 1.2 Target Group ................. 1 1.3 Symbol Definition ..............1 2. Safety Precaution ............2 2.1 Personnel Requirements ............2 2.2 Inverter Safety ............... 2 2.3 Battery Safety ................ 3 2.4 Installation Safety ..............
  • Page 3 5.2 Mounting Instruction ............21 Installation methods: ............... 21 5.2.1 Mounting the All-in-one System ........21 6. Electrical Connection ........... 25 6.1 Wiring Diagram ..............25 6.2 External Grounding (PE Cable) Connection ......27 6.2.1 External Grounding Requirements ....... 27 6.2.2 Wiring Connection Procedure ........

  • Page 4: About This Manual

    About This Manual Thank you for choosing our AC Couple Series inverter. This manual will assist you in becoming familiar with this product. Please keep this manual available at any time. And read the manual and other related documents before performing any operation on the inverter and consider the connection requirements by your local grid utility.

  • Page 5: Safety Precaution

    The inverter must be installed, electrically connected, operated and maintained by specially trained and qualified electrician. • The qualified persons who plan to install or maintain LIVOLTEK equipment must receive thorough training, understand all necessary safety precautions, and be able to correctly perform all operations. 2.2 Inverter Safety DANGER Danger to life due to electric shock when live components are touched on opening the product.

  • Page 6: Battery Safety

    WARNING Danger to life due to fire or explosion. • In rare cases, an explosive gas mixture can be generated inside the product under fault conditions. In this state, switching operations can cause a fire inside the product or explosion. Death or lethal injuries due to hot or flying debris can result.

  • Page 7: Installation Safety

    The safety instructions in this manual cannot cover all the precautions that should be followed. Perform operations considering actual onsite conditions. • LIVOLTEK shall not be held liable for any damage caused by violation of the safety instructions in this manual. 2.5 Electrical Safety DANGER •...

  • Page 8: Maintenance And Replacement

    2.6 Maintenance and Replacement DANGER • High voltage generated by the equipment during operation may cause an electric shock, which could result in death, serious injury, or serious property damage. Prior to maintenance, power off the equipment and strictly comply with the safety precautions in this document and relevant documents.

  • Page 9: Eu Declaration Of Conformity

    User shall ensure that equipment is so installed, designed, and operated to always maintain compliance with the requirements of ESQCR22(1)(a). 2.8 EU Declaration of Conformity Hangzhou Livoltek Power Co., Ltd. hereby declares that the inverter with wireless communication module sold in the European market meets the requirements of the following directives: •...

  • Page 10: Product Introduction

    Product Introduction 3.1 Product Description The inverter is a single-phase AC Couple inverter applicable to both on-grid and off-grid solar system with participation of battery, loads and grid system for energy management. The AC Couple inverter converts the DC power from the battery to the AC power, in conformity with the grid requirements.

  • Page 11: Declaration For Back-Up Function

     Over-frequency derating.  Higher input voltage value.  Higher input current value. 3.4 Declaration for Back-Up Function The BACK-UP function can provide to the normal household load when the grid is disconnected. To ensure the stability of switching time and load power supply, avoid using loads with higher starting current, such as air conditioner, high-power pump, vacuum cleaner, and hair drier.

  • Page 12: System Architecture

    3.5 System Architecture The following figure shows inverter application in an AC Couple system. Description Note AC Couple Inverter Battery All-in-One System Couple Inverter Protected house loads, connected to inverter EPS (backup) port, which need EPS Critical Load uninterrupted power supply. Common load Normal household loads, which will be lack of power when grid is blackout.

  • Page 13: Appearance And Dimension

    3.6 Appearance and Dimension The following figure shows the dimensions of the inverter. The image shown here is for reference only. The actual product received may differ. Figure 1. Appearance Position Designation SYS indicator: Displays the current working state of the inverter. COM indicator: Indicates Current working status of the communication terminal Battery SOC indicator: Indicates the SOC of the connected battery.

  • Page 14: Terminal Description

    3.7 Terminal Description The following diagram shows the wiring ports of the inverter. Figure 3. Terminals on the inverter Position Description Grid Terminal for connection to the utility grid AC Terminal for backup loads 16Pin Multi COM(Communication) Terminal Communication Port for Wi-Fi Stick Battery Input Terminal (BAT+/BAT-) BMS Communication Port for communication between the inverter and the Li-Ion battery.

  • Page 15: Work Modes

    3.8 Work Modes The AC Couple inverter offers four operating modes (Self-use, Self-define, backup and off-grid) based on different requirements. Which can be configured via LIVOLTEK APP for you to determine which mode will be best for you. Work Modes...

  • Page 16: On-Grid Self-Use Mode

    3.8.1 On-Grid Self-Use Mode The on grid self-use operating mode is recommended for when the AC Couple system is installed in an area with a stable grid. The purpose is to rationally utilize the remaining energy after the solar system supplies the load and save electricity costs.

  • Page 17: On-Grid Backup Mode

    NOTICE *1: The inverter can be set not to feed power into the grid. But a small amount of energy will still inevitably be fed into grid due to unpredictable PV power changes and load fluctuations. *2: The battery power supply can be restored when the battery is charged to the “set value +10%” by solar system.

  • Page 18: Unpacking And Storage

    Unpacking and Storage The inverter is thoroughly tested and strictly inspected before delivery. Damage may still occur during shipping. Please check the outer packing for damage and the inner contents for any visible damage. Contact your distributor immediately in case of any damaged or missing components. Packing List Check if all the accessories are in the package, the standard accessories are listed as below: Note: If anything is missing, please contact your local distributor.

  • Page 19: Identification Label

    Identification Label 4.2.1 Nameplate After moving the AC Couple inverter from package, identify it by reading its nameplate labeled on the side of the inverter. The nameplate contains important product information: the model information, technical specifications, and compliance symbols. Below is an example of the nameplate for the AES1-3K6G1 model. Note: The nameplate shown here is for reference only.

  • Page 20: Compliance And Safety Symbols

    4.2.2 Compliance and Safety Symbols Symbol Explanation CE marking The product complies with the requirements of the applicable EU directives. UKCA marking The inverter complies with the requirements of the applicable UKCA guidelines. UKNI marking The inverter complies with the requirements of the applicable UKNI guidelines. Caution! Beware of a danger zone! Failure to observe any warnings contained in this manual may result in injury.

  • Page 21: Storage Of Inverter

    4.3 Storage of Inverter The following requirements should be met if the inverter will not be deployed immediately: • Do not unpack the inverter (put desiccant in the original box if the inverter is unpacked). • Store the inverter at a temperature range of -30° C to +70° C, and with the relative humidity of 0% to 100% (no condensing).

  • Page 22: Installation

    Installation 5.1 Installation Requirements NOTICE • Make sure there is no electrical connection before installation. • In order to avoid electric shock or other injury, make sure that holes will not be drilled over any electricity or plumbing installations. • Always follow the instructions when moving or positioning the inverter.

  • Page 23: Angle And Space Requirements

    • The slope of the wall should be within ±5°. • The wall must be solid enough to bear the weight of the inverter. • Do not install the inverter on a wall made of gypsum boards or similar materials with weak sound insulation to avoid noise disturbance in a residential area.

  • Page 24: Mounting Instruction

    • AC Couple inverters connected to batteries are fixedly mounted in a wall or corner called “All-in-one Application”. • For All-in-one Application, the inverter must be connected with the Li-Ion battery of LIVOLTEK brand. And there are three independent packages (inverter, battery, and Inverter Decorative Panels) for the installation.
  • Page 25 Step 2: Fixing the battery bracket • Drill holes at the marked locations. • Insert expansion bolts through the battery bracket into the holes on the wall. • Hammer the bolts and use a torque wrench to secure the bolts. Step 3: Install the battery Lift and hang the battery on the battery bracket and ensure that the four mounting ears perfectly engage with the battery bracket.
  • Page 26 Step 4: Confirm the position of inverter bracket Remove the dustproof cover on the top of the battery. Install the inverter on the battery. Secure the two fixed pieces on the inverter with Phillips screws on both sides of the inverter. Mark the position of the fixed pieces on the wall.
  • Page 27 Step 7: Electrical Connection Please refer to the Electrical Connection instructions in the next chapter. Step 8: Installing the cover on both sides • Align the buckles on the cover with the screws on the inverter and secure the cover. Note: •...

  • Page 28: Electrical Connection

    Electrical Connection Prior to any electrical connections, keep in mind that the inverter has dual power supplies. It is mandatory for the qualified personnel to wear personal protective equipment (PPE) during the electrical work. DANGER Danger to life due to a high voltage inside the inverter! •...
  • Page 29 • The system current is monitored online by current transformer CT and the power consumption is monitored by smart meter.

  • Page 30: External Grounding (Pe Cable) Connection

    WARNING • N and PE wiring via ON-GRID and BACK-UP ports of the inverter are different based on the regulation requirements of different regions. Refer to the specific requirements of local regulations. • For Australia, New Zealand and South Africa, the neutral cable of GRID side and BACK-UP side must be connected, otherwise EPS(BACK-UP) function will not work.

  • Page 31: Wiring Connection Procedure

    WARNING • Ensure that the PE cable is securely connected. Otherwise, electric shocks may occur. • Do not connect the neutral wire to the enclosure as a PE cable. Otherwise, electric shocks may occur. NOTICE • The PE point at the AC output port is used only as a PE equipotential point, and cannot substitute for the PE point on the enclosure.

  • Page 32: Grid Port Connection

    Step2: Connecting the PE Cable • Remove the screw on the grounding terminal on the side of the inverter and fasten the cable with a screwdriver. • Apply paint to the grounding terminal to ensure corrosion resistance. 6.3 Grid Port Connection The AC Couple inverter has two AC output terminals, one is grid output for connecting grid and the other is EPS (emergency power supply) output for connecting critical (backup) Loads.

  • Page 33: Residual Current Monitoring Device

    Step1: Assembling the Grid Connector • Take out the AC terminal from the package box and uninstall it as below chart. • Put the AC cables through the terminal cap, threaded sleeve in sequence. • Remove the cable jackets and strip the wire insulation by 5~7 mmm then insert cables into connection terminals according to polarities indicates on it and tighten the screws.

  • Page 34: Battery Connection

    The EPS output port is only for critical loads connection. WARNING • The grid voltage and frequency must be in the permissible range. • Risk of inverter damage due to incorrect cable connection. Do not connect the grid power wires to EPS port.

  • Page 35: Battery Inverter Connection

    DANGER • Be careful against any electric shock or chemical hazard. • A short circuit in the battery may cause personal injury. The instantaneous high current caused by a short circuit can release a large amount of energy and may cause a fire. •...

  • Page 36: Battery Wiring Connection

    6.5.2 Battery Wiring Connection Referring to the schematic, use a tool to strip the battery power cable to the desired size. NOTICE • If choosing Li-Ion battery, make sure to connect the BMS communication cable between the battery and the inverter. •...

  • Page 37: Wifi Connection

    Step3: Connect the BMS cable to the inverter • Insert the BMS cable connector into BMS port on the inverter and screw it tightly. • Then insert other side of communication cable into CAN port on the battery. • Make sure the Li-Ion battery BMS port connects to the inverter is Pin to Pin. 6.6 WIFI Connection The inverter provides a communication port, which can collect data and transmit data of the inverter to the monitoring website via Wi-Fi stick.

  • Page 38: Multi Com Terminal Connection

    > serice > guide. • ‘My Livoltek’ is a platform to communicate with your device via Wi-Fi or bluetooth, you can login on our web (link as below) on your computer, also you can scan the QR code to download the APP on your phone.

  • Page 39: Wiring Connection Procedure

    Signal definitions Definition Description Definition Description Meter-485B Paral-485B 485 contact interfaces for Smart meter Meter-485A Paral-485A CT1-1+ (Red) CT1-2- (White) DO-COM CT2-1+ (Red) CT contact interface CT2-2 (White) DI-COM Paral-CANH 485-B CAN contact interface Reserve Paral-CANL 485-A 6.7.1 Wiring Connection Procedure： Step 1: Prepare the communication cable and strip the cable insulation for 6~8mm.

  • Page 40: Ct Connection

    • No meter or CT to the inverter will cause fault. • The smart meter must be authorized by LIVOLTEK, any third party or non-authorized meter may not match with the inverter. • LIVOLTEK will not take the responsibility if the meter is unavailable.

  • Page 41: Smart Meter Connection

    NOTICE Do not place the CT on the N Wire or the earth wire. Do not place the CT on the N and L wire simultaneously. Do not place the CT with the arrow pointing to the inverter side. Do not place the CT on the non- insulated wires.

  • Page 42: Installation Verification

    Wiring Connection Procedure： Step 1: Connect the signal cable to the signal cable connector. Step 2: Connect the signal cable connector to the Multi COM port. Step 3: Secure the signal cable connector 6.7.4 Installation Verification Check the following items after the inverter is installed. •...

  • Page 43: System Operation

    System Operation 7.1 LED Display The inverter operation status can be obtained from observing LED indicator status. Mark Color Indicator status Note Green light always on: system normal Red / Green light flashes slowly: system standby/startup Slow flash: Green Red light flashes slowly: system alarm 1s interval Red light always on: system fault Green light constantly on: communication is normal...

  • Page 44: Start-Up Procedures

    You can monitor & set data of the inverter through the LIVOLTEK APP. For details about operation, refer to APP User Manual. APP User Manual is available for free from website. 7.2 Start-up Procedures Check the following items before starting the inverter: •...

  • Page 45: Shut Down Procedures

    “Settings on the APP” for details. Step 6: Observe the LED indicator • Observe the LED indicator to ensure that the inverter operates normally. 7.3 Shut down Procedures For maintenance or other service work, the inverter must be switched off. Proceed as follows to disconnect the inverter from the AC power sources.

  • Page 46: App Operation

    LIVOLTEK portal is a platform that the inverter connects through WIFI Stick, and upload the data to it every 5 minutes. You can log in account at any time through a computer, IOS or Android to achieve real-time display and remote control.
  • Page 47 Step 3: Wi-Fi Configuration • After connecting the inverter successfully, enter the energy flow interface, click “Setting”. • Click Network Configuration in the Parameter Settings screen. • Select Server Domain in Network Configuration interface. • Fill in the relevant information according to the instructions in the Server interface and click Confirm. •...

  • Page 48: Register An Account

    8.2 Register an account Open the app or web and login with the username & password. Register it first if you don’t have an account, which provides access to the remote monitoring and management: • Create an account in the initial screen of the app by clicking on “Don't have an account? Register”. •...

  • Page 49: Create A Site And Add The Inverter To The Site

    NOTICE • There are two different accounts for end users and business (agents/installers), with different account authorizations. • Business accounts can only be registered through web. • Only end user accounts can be registered through the APP. • The agent/installer can create a sub-account for the end user after the power site (PV plant) is created.
  • Page 50 8.4.3 Add Device •Touch "Add" button [ ] at the top right of the PV site page to add a device. •Choose your product model and enter SN number, then touch [confirm].

  • Page 51: Setting On The App

    8.4 Setting on the APP 8.4.1 Home Page Overview You can check Parameters of System. The status and data on this page might be a few minutes delay from the real-time inverter data By touch the icons on the diagram, it will show the historical data of each part.
  • Page 52 8.4.2 Basic Settings You can set the inverter time, Restart the inverter, choosing work modes, battery type and set charging time period in Basic settings. 8.4.2.1 Select Work Modes Work Modes decides the operation logic of the hybrid system. Make sure what you select is exactly what you want.
  • Page 53 8.4.2.2 Battery Setting • After clicking Setting in the Energy Flow screen, select the system parameters in the Parameter Settings screen. • Fill in the battery type, maximum/minimum SOC of the battery and other parameters in the system parameter setting interface. 8.4.2.3 Discharge End-up SOC @ Grid It refers to the discharge cut-off SOC of the Li-Ion battery when the utility grid is available.

  • Page 54: Troubleshooting And Maintenance

    Notes: All the settings must be 100% honest to the battery specifications first. Both the two discharge End-up SOC set range is 10~100%. Troubleshooting and Maintenance WARNING Before maintaining and commissioning inverter and its peripheral distribution unit switch off all the charged terminals of the inverter, and wait at least 10 minutes after the inverter is powered off.
  • Page 55 Alarm Name Possible causes Suggestion Normally, the inverter will re-connect to the grid after the grid returns to normal. If the fault occurs repeatedly: The grid voltage is higher 1. measure the actual grid voltage, if the grid voltage is than the set voltage higher than the set value, please contact the local protection value or the...
  • Page 56 service center. Alarm Name Possible causes Suggestion Normally, the inverter will re-connect to the grid after the grid returns to normal. If the fault recurs: 1. check whether the grid is reliably supplied; 2. Check whether the AC wiring is tight; 1.
  • Page 57 Alarm Name Possible causes Suggestion Normally, the inverter will re-connect to the grid after the grid returns to normal. If the fault occurs repeatedly: 1. Measure the actual grid voltage, if the phase voltage difference of each phase of the grid is large, please contact the current power company for The inverter detects a solution;...
  • Page 58 Alarm Name Possible causes Suggestion 1. Check whether there is any abnormality in the Communication wire communication cable and its terminals, if so, make sure Battery disconnected between it is reliably connected. Communication battery and inverter; poor 2. Reinstall the battery communication cable Abnormal contact at battery or inverter 3.
  • Page 59 Alarm Name Possible causes Suggestion 1． Battery polarity reversed; 2．Battery has 1. Check whether the polarity of the battery is communication, but battery reversed or not connected, if so, access the battery Battery Connection power cable is not power cable correctly; Abnormal connected;...
  • Page 60 Alarm Name Possible causes Suggestion 1. For battery voltage failure, please check whether there is any abnormality in the battery power cable wiring (reverse connection, loose, etc.), if so, connect the battery power cable correctly. 2. Make sure the battery power cable is connected correctly, please check whether there is any Alarms are generated when abnormality in the real-time battery voltage, if yes,...

  • Page 62: Routine Maintenance

    9.2 Routine Maintenance To ensure that the inverter can operate properly for a long term, you are advised to perform routine maintenance on it as described in this chapter. CAUTION Risk of inverter damage or personal injury due to incorrect service! •...

  • Page 63: Technical Data

    Technical Data AES1- AES1- AES1- AES1- AES1-5KG1/ Model Name 3KG1/ RT1- 3K6G1/ 4K6G1/ 3KL1/ RT1-5KS1 3KS1 RT1-3K6S1 RT1-4K6S1 RT1-3KL1 AC Output Data @Grid Rated AC Output Power 3000 3680 4600 5000 3000 (W/VA) Max. Apparent 3000 3680 4600 5000 3000 Power (VA) Max.
  • Page 64 Automatic Switch Time <10ms (ms) Efficiency Max. Efficiency AES1- AES1- AES1- AES1- AES1-5KG1/ Model Name 3KG1/ RT1- 3K6G1/ 4K6G1/ 3KL1/ RT1-5KS1 3KS1 RT1-3K6S1 RT1-4K6S1 RT1-3KL1 Efficiency Euro Efficiency 93.50% 93.50% 93.50% 93.50% 93.50% Protection Anti-islanding Integrated Protection Residual Current Integrated Monitoring Unit AC Surge...
  • Page 65 Operating Temperature -10 to 60 Range (℃) Storage environments -20 to 65 (℃) Operating 0-95% Humidity (%) Typical Noise < 35 Emission(dB) Display Communicatio RS485 CAN n interface Max. Parallel Connection of Inverter (pcs） Standard Warranty(year 5 years AES1- AES1- AES1- AES1- AES1-...
  • Page 66 Current (A) @230V Max. AC Current 13.6 16.7 20.9 22.7 Output (A) Max. AC Current from 13.6 16.7 20.9 22.7 Grid (A) Output ~1 (Adjustable from 0.8 Leading to 0.8 Lagging) Power Factor THDi @Rated < 3% Power (%) Efficiency Max.
  • Page 67 Battery Voltage 40-60 Range (V) Max. Charge/ Discharge Current (A) Communicati on with BMS Inverter General Data Inverter Dimension 564*305*190 (W × H × D Inverter 18.5 Weight (kg) Cooling Natural Convection Method Inverter General Data Mounting wall or floor mounting Method Operating Temperature...

  • Page 68: Disclaimer

    The AC Couple series inverters are transported, used and operated under limited condition, such as environmental, electrical etc. LIVOLTEK shall not be liable to provide the service, technical support or compensation under conditions listed below, including but not limited to: •...
  • Page 69 Warranty Card Registration Dear customer, thank you for choosing LIVOLTEK product. For registering product warranty, please prepare everything ready and register on https://www.livoltek.com/registration.html. Product Information Product Type Product S/N Installation date Installation Company Personal Information Your name Your contact number...
  • Page 70 Contacts Hangzhou LIVOLTEK Power Co., Ltd Address: 1418-35 Moganshan Road, Hangzhou, 310011, China Tel: +86-571-28330320 Fax: +86-571-28020357 Email: info@livoltek.com Web：www.livoltek.com...

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