Solplanet ASW LT-G2-A Series User Manual
  1. Manuals
  2. Brands
  3. Solplanet Manuals
  4. Inverter
  5. ASW LT-G2-A Series
  6. User manual

Solplanet ASW LT-G2-A Series User Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the ASW LT-G2-A Series and is the answer not in the manual?

Questions and answers

Related Manuals for Solplanet ASW LT-G2-A Series

Summary of Contents for Solplanet ASW LT-G2-A Series

  • Page 2: Table Of Contents

    ASW LT-G2-A series inverter Table of Contents 1 Notes on this Manual ..............4 1.1 General Notes ..................4 1.2 Area of Validity ..................4 1.3 Target group ..................5 1.4 Symbols used in this manual ............... 5 2 Safety ....................7 2.1 Intended use ..................
  • Page 3 5.4.2 Grid connection ................24 5.4.3 Additional grounding connection..........26 5.5 DC connection ..................27 5.5.1 Requirements for the DC connetion........... 27 5.5.2 Assembling the DC connectors ..........28 5.5.3 Disassembling the DC connectors ..........29 5.5.4 Connecting the PV Array ............. 31 5.6 Conmunication equipment connection ..........
  • Page 4 8 Display ..................44 8.1 Overview of the control panel ............44 8.2 LED indicators ..................44 9 Disconnecting the inverter from voltage sources ...... 45 10 Technical data ................47 10.1 DC input data ..................47 10.2 AC output data ................... 50 10.3 General data ..................

  • Page 5: Notes On This Manual

    1 Notes on this Manual 1.1 General Notes ASW LT-G2-A series inverter is a three-phase transformerless string inverter with two independent MPPTs. It converts the direct current (DC) generated by the photovoltaic (PV) module into a three-phase alternating current (AC) and feeds it into the utility grid.

  • Page 6: Target Group

    1.3 Target group This document is for qualified electricians only, who must perform the tasks exactly as described. All persons installing inverters must be trained and experienced in general safety which must be observed when working on electrical equipment. Installation personnel should also be familiar with local requirements, rules and regulations.
  • Page 7 CAUTION indicates a hazardous situation which, if not be avoided, can result in minor or moderate injury. NOTICE indicates a situation which, if not be avoided, can result in property damage. INFORMATION that is important for a specific topic or goal, but is not safety-relevant.

  • Page 8: Safety

    2 Safety 2.1 Intended use 1. ASW LT-G2-A series inverter converts the direct current from the PV arrays into grid-compliant alternating current. 2. ASW LT-G2-A series inverter is suitable for indoor and outdoor use. 3. ASW LT-G2-A series inverter must only be operated with PV arrays (PV modules and cabling) of protection class II in accordance with IEC 61730, application class A.

  • Page 9: Important Safety Information

    2.2 Important safety information Danger to life due to electric shock when live components or cables are touched • All work on the inverter must only be carried out by qualified personnel who have read and fully understood all safety information contained in this manual.

  • Page 10: Symbols On The Label

    Risk of injury due to electric shock Touching an ungrounded PV module or array frame can cause a lethal electric shock. • connect and ground the PV modules, array frame and electrically conductive surfaces so that there is continuous conduction. Risk of burns due to hot enclosure parts Some parts of the enclosure can get hot during operation.
  • Page 11 Beware of high voltage and operating current The inverter operates at high voltage and current. Work on the inverter must only be carried out by skilled and authorized electricians. Beware of hot surfaces The inverter can get hot during operation. Avoid contact during operation.

  • Page 12: Unpacking

    3 Unpacking 3.1 Scope of delivery Obje Description Quantity Inverter 1 piece Wall bracket 1 piece DC connector 2 pairs(3-10K), 3 pairs(12- 15K), 4 pairs(17-20K) AC connector 1 piece Documentation 1 piece Screw accessory 1 piece 4G/ WiFi Stick 1 piece Communication Cover 2 pieces Please carefully check all the components in the carton.

  • Page 13: Check For Transport Damage

    3.2 Check for transport damage Thoroughly inspect the packaging upon delivery. If you detect any damage to the packaging which indicates the inverter may have been damaged, inform the responsible shipping company immediately. We will be glad to assist you if required.

  • Page 14: Mounting

    4 Mounting 4.1 Requirements for mounting Danger to life due to fire or explosion Despite careful construction, electrical devices can cause fires. • Do not mount the inverter on flammable construction materials. • Do not mount the inverter in areas where flammable materials are stored.
  • Page 15 Clearances for multiple inverters In order to avoid power reduction caused by overheating, do not mount the inverter in a location that allows long-term exposure to direct sunlight. Ensure optimum operation and extend service life, avoid exposing the inverter to direct sunlight, rain and snow. User Manual UM0024_ASW 3K-20K-LT-G2-A_EN_V02_0722...
  • Page 16 The mounting method, location and surface must be suitable for the inverter's weight and dimensions. If mounted in a residential area, we recommend mounting the inverter on a solid surface. Plasterboard and similar materials are not recommended due to audible vibrations when in use. Don’t put any objects on the inverter.

  • Page 17: Mounting The Inverter

    4.2 Mounting the inverter Risk of injury when lifting the inverter, or if it is dropped The weight of Solplanet inverter is max. 18.6 kg. There is risk of injury if the inverter is lifted incorrectly or dropped while being transported or when attaching it to or removing it from the wall bracket.
  • Page 18 Risk of injury due to the product falls down If the depth and distance of the holes is not correct, the product maybe fall down from the wall. •Before inserting the wall anchors, measure the depth and distance of the holes.
  • Page 19 5. Attach the outer fins of heat sink to both sides of the wall bracket using M4 screws. (screw driver type: PH2, torque: 1.6 Nm). Dismante the inverter in reverse order. User Manual UM0024_ASW 3K-20K-LT-G2-A_EN_V02_0722...

  • Page 20: Electrical Connection

    5 Electrical connection 5.1 Safety Danger to life due to high voltages of the PV array When exposed to sunlight, the PV array generates dangerous DC voltage which is present in the DC conductors and the live components of the inverter.

  • Page 21: Electrical Connection Panel

    5.2 Electrical Connection Panel Object Description DC-switch MPP1 connector (3-10K has 1 pair of terminals, 12K-20K has 2 pairs of terminals) MPP2 connector (3K-15K has 1 pair of terminals, 17K-20K has 2 pairs of terminals) RS485 Communication interface COM1/2 Communication Stick interface COM3 AC connector Additional grounding screw User Manual UM0024_ASW 3K-20K-LT-G2-A_EN_V02_0722...

  • Page 22: Electrical Connection Diagram With A Separate Dc Isolator

    5.3 Electrical connection diagram with a separate DC isolator Local standards or codes may require that a separate DC isolator should be installed next to the inverter. The separate DC isolator must disconnect each PV string of the inverter so that the entire inverter can be removed if the inverter is faulty.
  • Page 23 Object Description Value 10…16 mm External diameter 2.5…6 mm Conductor cross-section Stripping length of the insulated conductors Approx. 13 mm Stripping length of the AC cable’s outer Approx.53 mm sheath The PE insulated conductor must be 2 mm longer than the L and N conductors Larger cross-sections should be used for longer leads.
  • Page 24 connected at the grid-connection point in a building. In installations involving long outdoor cable routing, additional measures to reduce overvoltage category IV to overvoltage category III are required. AC circuit breaker In PV systems with multiple inverters, protect each inverter with a separate circuit breaker.

  • Page 25: Grid Connection

    Safety in accordance with IEC 62109 when the grounding conductor monitoring is deactivated. In order to guarantee safety in accordance with IEC 62109 when the grounding conductor monitoring is deactivated, carry out one of the following measures: • Connect a copper-wire grounding conductor with a cross-section of at least 10 mm²...
  • Page 26 Damage to the inverter due to wrong wiring If the phase line was connected to PE terminal, the inverter will not function properly. • Please ensure that the type of the conductors matches the signs of the terminals on the socket element. 3.

  • Page 27: Additional Grounding Connection

    5.4.3 Additional grounding connection If additional grounding or equipotential bonding is required locally, you can connect additional grounding to the inverter. This prevents touch current if the grounding conductor on the AC connector fails. Procedure: 1. Align the terminal lug with protective conductor. 2.

  • Page 28: Dc Connection

    5.5 DC connection Danger to life due to high voltages in the inverter Touching the live components can lead to lethal electric shocks. • Before connecting the PV generator, ensure that the DC-switch is switched off and that it cannot be reactivated. •...

  • Page 29: Assembling The Dc Connectors

    5.5.2 Assembling the DC connectors Danger to life due to high voltages on DC conductors When exposed to sunlight, the PV array generates dangerous DC voltage which is present in the DC conductors. Touching the DC conductors can lead to lethal electric shocks. •...

  • Page 30: Disassembling The Dc Connectors

    the stripped cable and the DC connector have the same polarity. 3. Push the swivel nut up to the thread and tighten the swivel nut. (SW15, Torque: 2.0Nm) 5.5.3 Disassembling the DC connectors Danger to life due to high voltages on DC conductors When exposed to sunlight, the PV array generates dangerous DC voltage which is present in the DC conductors.
  • Page 31 Procedure: Make sure DC power is cut off. Unscrew the swivel nut. To release the DC connector, insert a flat-blade screwdriver (blade width: 3.5 mm) into the side catch mechanism and lever open. Carefully pull the DC connector apart. Release the clamping bracket. To do so, insert a flat-blade screwdriver (blade width: 3.5 mm) into the clamping bracket and lever it open.

  • Page 32: Connecting The Pv Array

    5.5.4 Connecting the PV Array Destruction of the inverter due to overvoltage If the voltage of the strings exceeds the maximum DC input voltage of the inverter, it can be destroyed due to overvoltage. All warranty claims become void. • Do not connect strings with an open-circuit voltage greater than the maximum DC input voltage of the inverter.
  • Page 33 Damage to the inverter due to moisture and dust penetration Seal the unused DC inputs with sealing plugs so that moisture and dust cannot penetrate the Inverter. • Make sure all DC connectors are securely sealed. User Manual UM0024_ASW 3K-20K-LT-G2-A_EN_V02_0722...

  • Page 34: Conmunication Equipment Connection

    5.6 Conmunication equipment connection 5.6.1 Mounting the WiFi or 4G Stick Damage to the inverter due to electrostatic discharge Internal components of the inverter can be irreparably damaged by electrostatic discharge. • Ground yourself before touching any component. When the system uses WiFi Stick or 4G Stick monitoring, WiFi Stick or 4G Stick should be connected to COM3 connection in section 5.2.

  • Page 35: Connect The Rs485 Network Cable

    5.6.2 Connect the RS485 network cable The inverter can be destroyed by wrong communication wiring • Internal components of the inverter can be irreparably damaged due to incorrect wiring between the power wire and signal wire. All the warranty claim will be invalid. •...
  • Page 36 the following arrows and plug the correctly connected wire into the waterproof RS485 communication client in the optional accessories. 3. Insert the cable into the corresponding communication connector in the order of the arrow, tighten the sleeve and the forcing head screw at the tail.

  • Page 37: Connect The Smart Meter Cable

    5.6.3 Connect the smart meter cable If smart meter needs to be connected. Cable requirements and connecting procedure are the same as chapter 5.6.2. User Manual UM0024_ASW 3K-20K-LT-G2-A_EN_V02_0722...

  • Page 38: Communication

    6 Communication 6.1 System monitoring via WLAN User can monitor the inverter through the external 4G/WiFi stick module. The connection diagram between the inverter and internet is shown as following two pictures, both two methods are available. Please note that each 4G/WiFi stick can only connect to 5 inverters in method1.

  • Page 39: Active Power Control With Smart Meter

    We offer a remote monitoring platform called “AiSWEI cloud”. You can review the information on website (www.aisweicloud.com). You also can install the “Solplanet APP” application on a smart phone using Android or an iOS operating system. The application and the manual can be download on website (https://www.solplanet.net).

  • Page 40: Remote Firmware Update

    • WiFi stick only support single inverter to do active power control. • The overall length of the cable from inverter to smart meter is 100m. The active power limit can be set on “Solplanet APP” application, the details can be found in the user manual for the Solplanet APP.

  • Page 41: Communication With The Third Party Device

    (www.solplanet.net) for more information and download the user manual for the AiCom. 6.5 Communication with the third party device Solplanet inverters can also connect with one third party device instead of RS485 or WiFi stick, the communication protocol is modbus. For more information, please contact the Service.

  • Page 42: Commissioning

    7 Commissioning 7.1 Electrical check Carry out the main electrical checks as follows: ① Check the PE connection with a multimeter: check that the inverter’s exposed metal surface has a grounding connection. Danger to life due to the presence of DC-Voltage Touching the live conductors can lead to lethal electric shocks.

  • Page 43: Mechanical Check

    After finishing the electrical and mechanical checks, switch on the DC-switch. Choose suitable safety code according to the location of installation. please visit website (www.solplanet.net ) and download the Solplanet APP manual for detailed information. you can check the Safety Code Setting and the Firmware Version on APP.

  • Page 44: Start-Up

    The Solplanet’s inverters comply with local safety code when leaving the factory. For the Australian market, the inverter cannot be connected to the grid before the safety-related area is set. Please select from Australia Region A/B/C to comply with AS/NZS 4777.2:2020, and contact your local electricity grid operator on which Region to select.

  • Page 45: Display

    8 Display 8.1 Overview of the control panel The inverter is equipped with a display panel, which has 3 LED indicators. 8.2 LED indicators The three LED indicators from top to bottom are: SOLAR power indicator When the inverter is in the standby self-checking state, the white light flashes.

  • Page 46: Disconnecting The Inverter From Voltage Sources

    9 Disconnecting the inverter from voltage sources Before performing any work on the inverter, disconnect it from all voltage sources as described in this section. Always adhere strictly to the given sequence. 1. Disconnect AC circuit breaker and secure against reconnection. 2.
  • Page 47 5. Release and disconnect the AC connector. Rotate the socket element counterclockwise to open. 6. Wait until all LEDs and the display have gone out. User Manual UM0024_ASW 3K-20K-LT-G2-A_EN_V02_0722...

  • Page 48: Technical Data

    10 Technical data 10.1 DC input data ASW3K- ASW4K- ASW5K- ASW6K- Type LT-G2-A LT-G2-A LT-G2-A LT-G2-A Max. PV modules power 4500W 6000W 7500W 9000W (STC) Max. input voltage/ Rated 1100V/630V input voltage MPPT voltage range 150～1000 V Full load MPPT voltage 270～850 V range Intitial feed-in voltage...
  • Page 49 ASW8K-LT- ASW10K-LT- ASW12K-LT- Type G2-A G2-A G2-A Max. PV modules 12000W 15000W 18000W power (STC) Max. input voltage/ 1100V/630V Rated input voltage MPPT voltage range 150～1000 V Full load MPPT 400～850 V voltage range Intitial feed-in voltage 180V Min input voltage 125V Max.
  • Page 50 ASW15K-LT- ASW17K- ASW20K-LT- Type G2-A LT-G2-A G2-A Max. PV modules 22500W 25500W 30000W Power (STC) Max. input voltage/ 1100V/630V Rated input voltage MPP voltage range 150～1000 V Full load MPP voltage 400～850V range Intitial feed-in voltage 180V Min input voltage 125V Max.

  • Page 51: Ac Output Data

    10.2 AC output data ASW 3K- ASW 4K- ASW 5K- ASW 6K- Type LT-G2-A LT-G2-A LT-G2-A LT-G2-A Rated active power 3000W 4000 W 5000 W 6000 W Rated apparent Power 3000 VA 4000 VA 5000 VA 6000 VA Max. apparent power 3000 VA 4000 VA 5000 VA...
  • Page 52 ASW 8K- ASW 10K- ASW 12K- Type LT-G2-A LT-G2-A LT-G2-A Rated active power 8000W 10000 W 12000 W Rated apparent power 8000VA 10000VA 12000VA Max. apparent power 8000VA 10000VA 12000VA Rated AC Voltage 3/N/PE, 220/380 V, 230/400 V,240/415 V AC voltage range 160 V~300 V Rated AC Frequency 50 Hz/ 60 Hz...
  • Page 53 ASW 15K- ASW 17K- ASW 20K- Type LT-G2-A LT-G2-A LT-G2-A Rated active power 15000 W 17000 W 20000 W Rated apparent power 15000 VA 17000 VA 20000 VA Max. apparent power 15000VA 17000VA 22000VA Rated AC Voltage 3/N/PE, 220/380 V, 230/400 V,240/415 V AC voltage range 160 V~300 V Rated AC Frequency...

  • Page 54: General Data

    10.3 General data ASW 3K-10K- ASW 12K- ASW 17/20K- Type LT-G2-A 15K-LT-G2-A LT-G2-A Net weight 16 KG 17.3 KG 18.6KG Dimensions(L×W×D) 503×435×183 mm Mounting environment Indoor and Outdoor Mounting recommendation Wall bracket Operating temperature range -25…+60℃ Max. permissible value for relative humidity ( non- 100% condensing )

  • Page 55: Safety Regulations

    10.4 Safety regulations Type ASW LT-G2-A Series inverter Internal overvoltage Integrated protection DC insulation Integrated monitoring DC injection Integrated monitoring Grid monitoring Integrated Residual current Integrated monitoring Integrated (active method, active frequency drift Islanding protection (AFD) method) EN61000-6-1 EMC immunity...

  • Page 56: Tools And Torque

    10.5 Tools and torque Tools and torque required for installation and electrical connections. Tools, model Object Torque Torque screwdriver, Screws for the cover 3.0 Nm Torque screwdriver, Screws for wall bracket 1.6Nm Screw for second grounding Flat-head screwdriver, Sunclix DC connector blade with 3.5mm Torque screwdriver, Screw for second protective...
  • Page 57 ESD glove Wear ESD glove when opening the inverter Safety goggle Wear safety goggle during drilling holes. Anti-dust respirator Wear anti-dust respirator during drilling holes. User Manual UM0024_ASW 3K-20K-LT-G2-A_EN_V02_0722...

  • Page 58: Troubleshooting

    11 Troubleshooting When the PV system does not operate normally, we recommend the following solutions for quick troubleshooting. If an error occurs, the red LED will light up. There will have “Event Messages" display in the monitor tools. The corresponding corrective measures are as follows: Error Object Corrective measures...
  • Page 59 modules. If this fault is still shown, contact the service. • Check the open-circuit voltages of the strings and make sure it is below the maximum DC input voltage of the inverter. If the input voltage lies within the permitted range and the fault still occurs, please call service.
  • Page 60 is reliable. If this fault occurs often, contact the service. • Disconnect the inverter from the utility grid and the Permanent PV array and reconnect it after LED turn off. Fault If this fault is still being displayed, contact the service.

  • Page 61: Maintenance

    12 Maintenance Normally, the inverter needs no maintenance or calibration. Regularly inspect the inverter and the cables for visible damage. Disconnect the inverter from all power sources before cleaning. Clean the housing, cover and display with a soft cloth. Ensure the heatsink at the rear of the inverter cover is not covered. 12.1 Cleaning the contacts of the DC-switch Clean the contacts of the DC-switch once per year.

  • Page 62: Recycling And Disposal

    AISWEI Technology (Shanghai) Co., Ltd. confirms herewith that the inverters described in this document are in compliance with the fundamental requirements and other relevant provisions of the above mentioned directives. The entire EU Declaration of Conformity can be found at http:// www.solplanet.net. User Manual UM0024_ASW 3K-20K-LT-G2-A_EN_V02_0722...

  • Page 63: Warranty

    The factory warranty card is enclosed with the package, please keep well the factory warranty card. Warranty terms and conditions can be downloaded at http:// www.solplanet.net, if required. When the customer needs warranty service during the warranty period, the customer must provide a copy of the invoice, factory warranty card, and ensure the type label of the inverter is legible.
  • Page 64 Aiswei Greater China Service email: service.china@aiswei-tech.com Hotline: +86 400 801 9996 Taiwan Service email: service.taiwan@aiswei-tech.com Hotline: +886 809089212 https://solplanet.net/contact-us/ User Manual UM0024_ASW 3K-20K-LT-G2-A_EN_V02_0722...
  • Page 65 User Manual UM0024_ASW 3K-20K-LT-G2-A_EN_V02_0722...

This manual is also suitable for:

Asw3k-lt-g2-aAsw4k-lt-g2-aAsw5k-lt-g2-aAsw6k-lt-g2-aAsw8k-lt-g2-aAsw10k-lt-g2-a ... Show all

Table of Contents