Solplanet ASW3K-LT-2 Pro Manual
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Solplanet ASW3K-LT-2 Pro Manual

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Three phase inverters 3 to 6 kW
ASW LT-G2 Pro Series
Easy-to-install
• Toolless DC connection via Phoenix
Contact connectors
• Quick setup and commissioning
with AiSWEI apps
• Compact wall mount design
Erneuerbare Energie
Reliable
• International quality standards
• 150 % PV array oversizing for higher
yields
• IP66 rated design for outdoor use
Models:
ASW3K-LT-G2 Pro
ASW4K-LT-G2 Pro
ASW5K-LT-G2 Pro
ASW6K-LT-G2 Pro
User-friendly
• User friendly app interface
• 16 A input current, ideal for bifacial
and large area PV modules
• Wide MPP voltage range
150V-1000V

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Summary of Contents for Solplanet ASW3K-LT-2 Pro

  • Page 1 Three phase inverters 3 to 6 kW ASW LT-G2 Pro Series Erneuerbare Energie Models: ASW3K-LT-G2 Pro ASW4K-LT-G2 Pro ASW5K-LT-G2 Pro ASW6K-LT-G2 Pro Easy-to-install Reliable User-friendly • Toolless DC connection via Phoenix • International quality standards • User friendly app interface Contact connectors •...
  • Page 2 Technical Datasheet ASW 3K-LT-G2 Pro ASW 4K-LT-G2 Pro ASW 5K-LT-G2 Pro ASW 6K-LT-G2 Pro Max. PV array power 4500 Wp STC 6000 Wp STC 7500 Wp STC 9000 Wp STC Max. input voltage 1100 V MPP voltage range / rated input voltage 150 V to 1000 V / 630 V Min.
  • Page 3 1. About this Document Quick Guide This document describes the activities related to the creation of a PV plant, set-up and commissioning of a Solplanet inverter and connecting the Solplanet inverter to a WiFi network. Solplanet App The contents of this quick guide apply to the following models: •...
  • Page 4 Support: +55 51 99765 3389 Service: +31 20 800 4844 service.au@solplanet.net service.eu@solplanet.net SOLPLANET HUNGARY SOLPLANET KOREA SOLPLANET POLAND SOLPLANET SOUTH AFRICA Service: +36 465 00 384 Service: +82 31 422 8110 Service: +48 13 4926 109 service@solplanet.com service.hu@solplanet.net Service.kr@solplanet.com service.pl@solplanet.net 26.
  • Page 5 Erneuerbare Energie...

  • Page 6: Table Of Contents

    ASW LT-G2-Pro 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 7 5.4.2 Grid connection ................25 5.4.3 Additional grounding connection..........27 5.5 DC connection ..................28 5.5.1 Requirements for the DC connetion........... 28 5.5.2 Assembling the DC connectors ..........29 5.5.3 Disassembling the DC connectors ..........30 5.5.4 Connecting the PV Array ............. 32 5.6 Conmunication equipment connection ..........
  • Page 8 8 Display ..................46 8.1 Overview of the control panel ............46 8.2 LED indicators ..................46 9 Disconnecting the inverter from voltage sources ...... 48 10 Technical data ................50 10.1 DC input data ..................50 10.2 AC output data ................... 53 10.3 General data ..................

  • Page 9: Notes On This Manual

    1 Notes on this Manual 1.1 General Notes ASW LT-G2-Pro 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. 1.2 Area of Validity This manual describes the mounting, installation, commissioning and maintenance of the following inverters:...

  • Page 10: 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 11 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 12: Safety

    2 Safety 2.1 Intended use 1. ASW LT-G2-Pro series inverter converts the direct current from the PV arrays into grid-compliant alternating current. 2. ASW LT-G2-Pro series inverter is suitable for indoor and outdoor use. 3. ASW LT-G2-Pro 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 13: 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 14: 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 15 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 16: 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 17: 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 18: 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 19 Direction Min. clearance (mm) above below sides Clearances for one inverter 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.
  • Page 20 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 21 Never install the inverter horizontally, or with a forward tilt or with a backward tilt or even with upside down. The horizontal installation can result in damage to the inverter. Mount the inverter at eye level for easy inspection. User Manual UM0014_ASW 3K-20K-LT-G2 PRO_EN_V02_0622...

  • Page 22: 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 23 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 24 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 UM0014_ASW 3K-20K-LT-G2 PRO_EN_V02_0622...

  • Page 25: 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 26: 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 UM0014_ASW 3K-20K-LT-G2 PRO_EN_V02_0622...

  • Page 27: 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 28 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 29 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 30: 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 31 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 32: 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 33: 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 34: 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 35: 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 36 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 37: 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 38 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 UM0014_ASW 3K-20K-LT-G2 PRO_EN_V02_0622...

  • Page 39: 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 40: 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 41 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 42: 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 UM0014_ASW 3K-20K-LT-G2 PRO_EN_V02_0622...

  • Page 43: 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 44: Active Power Control With Smart Meter

    You can also install the “AiSWEI APP” on a smart phone using Android or an iOS operating system. You can visit the website ( https://solplanet.net/installer- area/#monitoring) for system information. And download the user manual for the AISWEI Cloud Web or AISWEI APP.

  • Page 45: Remote Firmware Update

    Possible reason of communication failure due to incorrect connection • 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 “AiSWEI APP” application, the details can be found in the user manual for the AISWEI APP.

  • Page 46: Communication With The Third Party Device

    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 47: 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 48: Mechanical Check

    Danger to life due to the presence of AC-Voltage Touching the live conductors can lead to lethal electric shocks. • Only touch the insulation of the AC cables. • Wear personal protective equipment such as insulating gloves. ⑤ Check the grid voltage: check that the grid voltage at the point of connection of the inverter is within the permitted range.

  • Page 49: Safety Code Check

    AISWEI Cloud APP manual for detailed information, you can find the Safety Code Setting Guide in an event where an installer needs to set the country code manually. The Solplanet’s inverters comply with local safety code when leaving the factory. 7.4 Start-up After finishing the electrical and mechanical checks, switch on the miniature circuit-breaker and DC-switch in turn.
  • Page 50 During periods of low radiation, the inverter may continuously start up and shut down. This is due to insufficient power generated by the PV array. If this fault occurs often, please call service. If the inverter is in “Fault” mode, refer to chapter 11 “Troubleshooting”. User Manual UM0014_ASW 3K-20K-LT-G2 PRO_EN_V02_0622...

  • Page 51: 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 52 Fault indicator The light is on when the invert is faulty or when external conditions cannot be grid-connected or when it is working improperly. When there is no fault, the light is off User Manual UM0014_ASW 3K-20K-LT-G2 PRO_EN_V02_0622...

  • Page 53: 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 54 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 UM0014_ASW 3K-20K-LT-G2 PRO_EN_V02_0622...

  • Page 55: Technical Data

    10 Technical data 10.1 DC input data ASW3K-LT- ASW4K-LT- ASW5K-LT- ASW6K-LT- Type G2-Pro G2-Pro G2-Pro G2-Pro Max. PV modules power 4500W 6000W 7500W 9000W (STC) Max. input voltage/ Rated 1100V/630V input voltage MPPT voltage 150～1000 V range Full load MPPT 270～850 V voltage range Intitial feed-in...
  • Page 56 Strings per MPP tracker Overvoltage category in accordance with IEC60664-1 ASW8K-LT- ASW10K-LT- ASW12K- ASW13K- Type G2-Pro G2-Pro LT-G2-Pro LT-G2-Pro Max. PV modules power 12000W 15000W 18000W 19500W (STC) Max. input voltage/ Rated 1100V/630V input voltage MPPT voltage 150～1000 V range Full load MPPT 400～850 V voltage range...
  • Page 57 inverter in the system for max. 1 ms Number of MPP trackers Strings per MPP tracker Overvoltage category in accordance with IEC60664-1 ASW15K-LT- ASW17K- ASW20K-LT- Type G2-Pro LT-G2-Pro G2-Pro Max. PV modules 22500W 25500W 30000W Power (STC) Max. input voltage/ 1100V/630V Rated input voltage MPP voltage range...

  • Page 58: Ac Output Data

    Number of MPP trackers Strings per MPP tracker Overvoltage category in accordance with IEC60664-1 (1) When the DC input voltage is greater than 1000V, the inverter will alarm an error. (2) When the DC input voltage is lower than 995V, the inverter starts self- checking.
  • Page 59 Max. continuous output 3×4.8 A 3×6.4 A 3×8.0 A 3×9.6 A current Maximum output current under fault 3×14A conditions Maximum output 3×16A overcurrent protection Adjustable displacement power 0.80 ind - 0.80 cap factor Inrush current (peak <10A @250us and duration) Harmonic distortion (THD) at the rated <...
  • Page 60 Rated AC Frequency 50 Hz/ 60 Hz Operating range at AC 45 Hz to 55Hz power frequency 50 Hz Operating range at AC 55 Hz to 65Hz power frequency 60 Hz Max. continuous output 3×12.8 A 3×16 A 3×19.1 A 3×20.7 A current Maximum output...
  • Page 61 Max. output active 16500 W 18700 W 22000W power Max. output apparent 16500VA 18700VA 22000VA power 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 Operating range at AC 45 Hz to 55Hz power frequency 50 Hz Operating range at AC...

  • Page 62: General Data

    10.3 General data ASW 3K- ASW 12K- Type 10K-LT-G2- 15K-LT-G2- 17/20K-LT- G2-Pro 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 ) Max.

  • Page 63: Safety Regulations

    10.4 Safety regulations Type ASW LT-G2-Pro Series inverter Internal overvoltage Integrated protection DC insulation Integrated monitoring DC injection Integrated monitoring Grid monitoring Integrated Residual current Integrated monitoring Integrated (Three-phase monitoring) Islanding protection ） EN61000-6-1 EMC immunity EN61000-6-2 EN61000-6-3 EMC emission EN61000-6-4 EN61000-3-2, EN61000-3-3 Utility interference...

  • Page 64: 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 65 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 UM0014_ASW 3K-20K-LT-G2 PRO_EN_V02_0622...

  • Page 66: 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 67 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 68 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 69: 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 70: Recycling And Disposal

    AISWEI New Energy Technology (Jiangsu) 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 UM0014_ASW 3K-20K-LT-G2 PRO_EN_V02_0622...

  • Page 71: Warranty

    Erneuerbare Energie User Manual UM0014_ASW 3K-20K-LT-G2 PRO_EN_V02_0622...

This manual is also suitable for:

Asw lt-g2 pro seriesAsw4k-lt-2 proAsw5k-lt-2 proAsw6k-lt-2 pro

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