Solplanet ASW LT-G2 Pro Series User Manual
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Solplanet ASW LT-G2 Pro Series User Manual

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Summary of Contents for Solplanet ASW LT-G2 Pro Series

  • Page 2: 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 ........................4 1.4 Symbols used in this manual ....................5 2 Safety ............................7 2.1 Intended use ........................
  • Page 3 5.5.1 Requirements for the DC connetion ................29 5.5.2 Assembling the DC connectors ................. 30 5.5.3 Disassembling the DC connectors ................31 5.5.4 Connecting the PV Array ..................33 5.6 Conmunication equipment connection ................34 5.6.1 Mounting the WiFi or 4G Stick .................. 34 5.6.2 Connect the communication line with RJ45 socket ..........
  • Page 4 10.1 DC input data ........................49 10.2 AC output data ........................50 10.3 General data ........................51 10.4 Safety regulations ......................52 10.5 Tools and torque......................53 11 Troubleshooting ........................54 12 Maintenance ........................... 57 12.1 Cleaning the contacts of the DC-switch ................57 12.2 Cleaning the heat sink .....................

  • Page 5: 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 three to five 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: Symbols Used In This Manual

    • Training in how to deal with the dangers and risks associated with installing, repairing and using electrical devices and installations • Training in the installation and commissioning of electrical devices and installations • Knowledge of the applicable laws, standards and directives •...
  • Page 7 INFORMATION that is important for a specific topic or goal, but is not safety-relevant. UM0038_ASW40-50K-LT-G2 Pro_EN_V01_0223...

  • Page 8: Safety

    2 Safety 2.1 Intended use ASW LT-G2 Pro series inverter converts the direct current from the PV arrays into grid- compliant alternating current. ASW LT-G2 Pro series inverter is suitable for indoor and outdoor use. 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 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 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. Touching the DC conductors or the live components can lead to lethal electric shocks.

  • Page 11: Symbols On The Label

    Risk of burns due to hot enclosure parts Some parts of the enclosure can get hot during operation. • During operation, do not touch any parts other than the enclosure lid of the inverter. Damage to the inverter due to electrostatic discharge Internal components of the inverter can be irreparably damaged by electrostatic discharge.
  • Page 12 CE marking The product complies with the requirements of the applicable EU directives. Certification mark The product has been tested by TUV and got the quality certification mark. RCM Mark The product complies with the requirements of the applicable Australian standards.

  • Page 13: Unpacking

    3 Unpacking 3.1 Scope of delivery Object Description Quantity Inverter 1 piece Wall mounting bracket 1 piece Bracket accessory 2 pieces AC/COM Cover 1 piece Screw accessory 1 piece 4G/ WiFi Stick (optional) 1 piece DC connector 6 pairs(30-36K), 8 pairs(40-45K), 10 pairs(50K) Documentation 1 piece...

  • Page 14: 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. 4 Mounting 4.1 Requirements for mounting Danger to life due to fire or explosion...
  • Page 15 Observe the minimum clearances to walls, other inverters, or objects as follows to ensure sufficient heat dissipation. Direction Min. clearance (mm) above below sides Clearances for one inverter Clearances for multiple inverters UM0038_ASW40-50K-LT-G2 Pro_EN_V01_0223...
  • Page 16 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. The mounting method, location and surface must be suitable for the inverter's weight and dimensions.
  • Page 17 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. UM0038_ASW40-50K-LT-G2 Pro_EN_V01_0223...

  • Page 18: Mounting The Inverter

    Risk of injury when lifting the inverter, or if it is dropped The weight of Solplanet inverter is max. 43 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 19 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. 2.
  • Page 20 3. Use screws (M5x12) to lock the bracket support on both sides of the inverter. (Torque M5: 2.5Nm) 4. Hold the inverter using the handles at the corners, attach the inverter onto the wall bracket tilted slightly downwards. UM0038_ASW40-50K-LT-G2 Pro_EN_V01_0223...
  • Page 21 5. Check both sides of the outer fin of the inverter to ensure that it is securely in place. 6. Attach the handles to bottom of the wall bracket using M4 screws. (screw driver type: PH2, torque: 1.6 Nm). Dismante the inverter in reverse order. UM0038_ASW40-50K-LT-G2 Pro_EN_V01_0223...

  • Page 22: 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. Touching the DC conductors or the live components can lead to lethal electric shocks.

  • Page 23: Electrical Connection Panel

    5.2 Electrical Connection Panel Object Description DC-switch MPP1~5 connector (30K-36K has 6 pair of terminals, 40K-45K has 8 pairs of terminals, 40K-45K has 10 pairs of terminals) Communication Stick interface COM1 RS485 Communication interface COM2 AC terminal Additional grounding screw 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.

  • Page 24: Ac Connection

    5.4 AC Connection 5.4.1 Conditions for the AC connection Cable Requirements The grid connection is made using 5 conductors (L1, L2, L3, N, and PE). We recommend the following requirements for stranded copper conductor. UM0038_ASW40-50K-LT-G2 Pro_EN_V01_0223...
  • Page 25 Object Description Value External diameter 20…42 mm Conductor cross-section 16…50 mm Stripping length of the insulated conductors Matching terminals Stripping length of the AC cable’s outer sheath Approx.130 mm Note: The outer diameter of the OT terminal must be less than 22mm. The PE insulated conductor must be 2 mm longer than the L and N conductors.
  • Page 26 AC circuit breaker In PV systems with multiple inverters, protect each inverter with a separate circuit breaker. This will prevent residual voltage being present at the corresponding cable after disconnection. No consumer load should be applied between AC circuit breaker and the inverter. The selection of the AC circuit breaker rating depends on the wiring design (wire cross-section area), cable type, wiring method, ambient temperature, inverter current rating, etc.
  • Page 27 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 to the AC connector bush insert.

  • Page 28: Grid Connection

    5.4.2 Grid connection Procedure: Danger to life due to high voltages in the inverter Touching the live components can lead to lethal electric shocks. • Before performing the electrical connection, ensure that the AC circuit-breaker is switched off and cannot be reactivated. 1.

  • Page 29: 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 30: 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 31: 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 32: Disassembling The Dc Connectors

    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 33 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 34: 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 35: Conmunication Equipment Connection

    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. 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.
  • Page 36 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. Procedure: Take out the WiFi Stick included in the scope of delivery. Attach the WiFi Stick to the connection port in place and tighten it into the port by hand with the nut in the stick.

  • Page 37: Connect The Communication Line With Rj45 Socket

    5.6.2 Connect the communication line with RJ45 socket Danger to life due to electric shock when live components are touched. • Disconnect the inverter from all voltage sources before connect the network cable. The inverter can be destroyed by wrong communication wiring •...
  • Page 38 - RS485 cable maximum length 1000m Procedure: Disconnect the DC circuit breaker on the inverter connection panel and the AC circuit breaker outside the inverter to avoid live operation. Disassemble the AC/COM end cover and unscrew the waterproof connector in the following order, and then insert the network cable into the corresponding communication terminal of the machine in order.
  • Page 39 Re-lock the AC/COM end cap (M4x10) and tighten the waterproof connector. (Torque: M4: 1.6Nm; M25: SW33, 7.5Nm) UM0038_ASW40-50K-LT-G2 Pro_EN_V01_0223...

  • Page 40: Connect The Communication Line With Terminal Block

    5.6.3 Connect the communication line with terminal block Use terminal block cable. Refer to the wiring method as follows. For other steps, refer to section 5.6.2. Damage to the inverter due to moisture and dust penetration • If the cable gland are not mounted properly, the inverter can be destroyed due to moisture and dust penetration.

  • Page 41: Communication

    6 Communication 6.1 System monitoring via WLAN or 4G 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 42: Active Power Control With Smart Meter

    As shown above, we offer a remote monitoring platform called “AiSWEI cloud”. 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 43: Remote Firmware Update

    6.3 Remote firmware update ASW LT-G2 Pro series inverters can update the firmware through 4G/WIFI stick, no need to open the cover for maintenance. For more information, please contact the Service. 6.4 Active power control via demand response enabling device (DRED) DRMs application description •...

  • Page 44: Communication With The Third Party Device

    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. 6.6 Earth fault alarm This inverter complies with IEC 62109-2 clause 13.9 for earth fault alarm monitoring. If an Earth Fault Alarm occurs, the red color LED indicator will light up.

  • Page 45: Commissioning

    7 Commissioning 7.1 Electrical check Carry out the main electrical checks as follows: 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 46: Mechanical Check

    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 47 checking, the inverter will switch to the “Fault” mode. Normal: After checking, the inverter will switch to “Normal” state and feed power into the grid. 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.

  • Page 48: 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. Under normal grid-connected working state, the light is always on.

  • Page 49: 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. Disconnect AC circuit breaker and secure against reconnection. Disconnect the DC-switch and secure against reconnection.

  • Page 50: Technical Data

    10 Technical data 10.1 DC input data ASW 40K-LT- ASW 45K- ASW 50K-LT- Type G2 Pro LT-G2 Pro G2 Pro Max. PV modules Power 60000W 67500W 75000W (STC) Max. input voltage/ Rated 1100V/630V input voltage MPP voltage range 200～1000 V Full load MPP voltage range 400～935V 440~935V...

  • Page 51: Ac Output Data

    10.2 AC output data ASW 40K-LT-G2 ASW 45K-LT-G2 ASW 50K-LT-G2 Type Rated output power 40000 W 45000 W 50000 W Max. output active power 40000 W 45000 W 50000W Max. output apparent power 40000VA 45000VA 50000VA Rated AC Voltage 3/N/PE ,220/380V, 230/400V AC voltage range 180V-305V/312V-528V Rated AC Frequency...

  • Page 52: General Data

    10.3 General data ASW 40K- ASW 45K-LT- ASW 50K- Type LT-G2 Pro G2 Pro LT-G2 Pro Net weight 42 KG 42.5KG 43KG Dimensions(L×W×D) 670×580×270 mm Mounting environment Indoor and Outdoor Mounting recommendation Wall bracket Operating temperature range -25…+60℃ Max. permissible value for relative 100% humidity (non-condensing) Max.

  • Page 53: Safety Regulations

    10.4 Safety regulations Type ASW LT-G2 Pro Series inverter Integrated Internal overvoltage protection DC insulation monitoring Integrated DC injection monitoring Integrated 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...

  • Page 54: Tools And Torque

    10.5 Tools and torque Tools and torque required for installation and electrical connections. Tools, model Object Torque Torque screwdriver, SW13 Screws for the AC terminal M8 12.0 Nm SW10 M6 5.0 Nm Torque screwdriver, SW8 Screws for wall bracket accessory 2.5 Nm Torque screwdriver, SW7 Screws for wall bracket with...

  • Page 55: Troubleshooting

    Safety goggle Wear safety goggle during drilling holes. Anti-dust respirator Wear anti-dust respirator during drilling holes. 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"...
  • Page 56 • 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. • Check the PV array’s insulation to ground and make sure that Presumable the insulation resistance to ground is greater than 1 MOhm.
  • Page 57 • Disconnect the inverter from the utility grid and the PV array and reconnect it after LED turn off. If this fault is still being displayed, contact the service. Permanent Fault Warning code Warning message PV1 input over voltage PV2 input over voltage PV1 input over current-software PV1 input over current-hardware PV2 input over current-software...

  • Page 58: 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.

  • Page 59: Recycling And Disposal

    AISWEI Technology 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. UM0038_ASW40-50K-LT-G2 Pro_EN_V01_0223...

  • Page 60: Warranty

    15 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 61 EMEA Service email: service.EMEA@solplanet.net APAC Service email: service.APAC@solplanet.net LATAM Service email: service.LATAM@solplanet.net AISWEI Pty Ltd. Hotline: +61 390 988 674 Add.: Level 40, 140 William Street, Melbourne VIC 3000, Australia AISWEI B.V. Hotline: +31 208 004 844 (Netherlands) +48 134 926 109 (Poland) Add.: Barbara Strozzilaan 101,5e etage,kantoornummer 5.12,1083HN Amsterdam,the...
  • Page 62 UM0038_ASW40-50K-LT-G2 Pro_EN_V01_0223...

This manual is also suitable for:

Asw40k-lt-g2 proAsw45k-lt-g2 proAsw50k-lt-g2 pro

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