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4 User Manual UM0016_ASW 25K-40K-LT-G3_EN_V02_0622

1 Notes on this Manual

1.1 General Notes

ASW LT-G3 series inverter is a three-phase transformerless

string inverter with three to three 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:

ASW40K-LT-G3

ASW36K-LT-G3

ASW33K-LT-G3

ASW30K-LT-G3

ASW27K-LT-G3

ASW25K-LT-G3

Please read this manual carefully before using this product, keep

it in a convenient place and make it available at all times.

Содержание ASW LT-G3 Series

Страница 1: ......

Страница 2: ...tion 8 2 3 Symbols on the label 10 3 Unpacking 12 3 1 Scope of delivery 12 3 2 Check for transport damage 12 4 Mounting 13 4 1 Requirements for mounting 13 4 2 Mounting the inverter 17 5 Electrical connection 21 5 1 Safety 21 5 2 Electrical Connection Panel 22 5 3 Electrical connection diagram with a separate DC isolator 22 5 4 AC Connection 23 5 4 1 Conditions for the AC connection 23 5 4 2 Grid ...

Страница 3: ...0 6 1 System monitoring via WLAN or 4G 40 6 2 Active power control with Smart meter 41 6 3 Remote firmware update 42 6 4 Active power control via demand response enabling device DRED 42 6 5 Communication with the third party device 43 6 6 Earth fault alarm 44 7 Commissioning 45 7 1 Electrical check 45 7 2 Mechanical check 46 7 3 Safety code check 47 7 4 Start up 47 8 Display 49 8 1 Overview of the...

Страница 4: ...ta 58 10 4 Safety regulations 60 10 5 Tools and torque 61 11 Troubleshooting 63 12 Maintenance 66 12 1 Cleaning the contacts of the DC switch 66 12 2 Cleaning the heat sink 66 13 Recycling and disposal 67 14 EU Declaration of Conformity 67 15 Warranty 68 16 Contact 68 ...

Страница 5: ...nerated 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 ASW40K LT G3 ASW36K LT G3 ASW33K LT G3 ASW30K LT G3 ASW27K LT G3 ASW25K LT G3 Please read this manual carefully before using this product keep it in a convenie...

Страница 6: ...nnel should also be familiar with local requirements rules and regulations Qualified persons must have the following skills Knowledge of how an inverter works and is operated 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 Kno...

Страница 7: ... will result in death or serious injury WARNING indicates a hazardous situation which if not be avoided can result in death or serious injury 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 sa...

Страница 8: ...odules with a high capacity to ground must only be used if their coupling capacity does not exceed 5 0μF 5 When the PV modules are exposed to light a DC voltage is supplied to this inverter 6 When designing the PV power plants ensure that the values comply with the permitted operating range of all components at all time 7 The product must only be used in countries for which it is approved or relea...

Страница 9: ...h 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 If you disconnect the DC connectors from the inverter under load an electric arc may occur leading to electric shock and burns Do not touch non insulated cable ends Do not touch the DC conductors Do not touch any live components of the inver...

Страница 10: ...y 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 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 Ground yours...

Страница 11: ...nverter can get hot during operation Avoid contact during operation WEEE designation Do not dispose of the inverter together with the household waste but in accordance with the disposal regulations for electronic waste applicable at the installation site CE marking The product complies with the requirements of the applicable EU directives Certification mark The product has been tested by TUV and g...

Страница 12: ...User Manual UM0016_ASW 25K 40K LT G3_EN_V02_0622 11 capacitors to fully discharge Observe the documentation Observe all documentation supplied with the product ...

Страница 13: ...al 1 piece optional G RS485 communication terminal 1 piece optional H Documentation 1 piece Please carefully check all the components in the carton If anything is missing contact your dealer at once 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 shippin...

Страница 14: ...e should be below 40 C to ensure optimal operation 5 Observe the minimum clearances to walls other inverters or objects as follows to ensure sufficient heat dissipation Direction Min clearance mm above 500 below 500 sides 500 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 m...

Страница 15: ...14 User Manual UM0016_ASW 25K 40K LT G3_EN_V02_0622 Clearances for one inverter Clearances for multiple inverters ...

Страница 16: ...sing the inverter to direct sunlight rain and snow 8 The mounting method location and surface must be suitable for the inverter s weight and dimensions 9 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 10 Don t put any objects on the inverter Do not cover the inverter...

Страница 17: ..._V02_0622 12 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 13 Mount the inverter at eye level for easy inspection ...

Страница 18: ... 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 Transport and lift the inverter carefully Risk of injury due to damaged cables There may be power cables or other supply lines e g gas or water routed in the wall Ensure that no lines ...

Страница 19: ...l and fix the mounting bracket to the wall by inserting three Screws SW10 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 ...

Страница 20: ...40K LT G3_EN_V02_0622 19 3 Hang the slot on the back of the inverter to the hook on the top of the mounting bracket 4 Secure the inverter to the mounting bracket on both sides using two M5 screws Screwdriver type PH2 torque 2 5Nm ...

Страница 21: ...20 User Manual UM0016_ASW 25K 40K LT G3_EN_V02_0622 Dismante the inverter in reverse order ...

Страница 22: ...ng to electric shock and burns Do not touch non insulated cable ends Do not touch the DC conductors Do not touch any live components of the inverter Have the inverter mounted installed and commissioned only by qualified persons with the appropriate skills If an error occurs have it rectified by qualified persons only Prior to performing any work on the inverter disconnect it from all voltage sourc...

Страница 23: ...erminal E Additional grounding 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 We recommend the following electrical connection ...

Страница 24: ...ons 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 1 YJV or YJVR copper cable is recommended 2 If using aluminum wire please contact our service department ...

Страница 25: ...power loss in cables exceeding 1 of rated output power The required conductor cross section depends on the inverter rating ambient temperature routing method cable type cable losses valid installation requirements of installation side Residual current protection The product is equipped with an integrated universal current sensitive residual current monitoring unit inside The inverter will disconne...

Страница 26: ... 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 Derating of the AC circuit breaker rating may be necessary due to self heating...

Страница 27: ...install the inverter between two line conductors If you are uncertain about this contact your grid operator or AISWEI 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 conduc...

Страница 28: ...he line sequence make the insulating terminal flush with the rubber core surface and the torque of the crimping screwdriver is 5 0 0 1N m 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 Damage to the inverter du...

Страница 29: ...W 25K 40K LT G3_EN_V02_0622 4 Insert the main body into the rubber core and hear the click sound 5 Tighten the nut with an open ended wrench and complete the installation with a click click click then complete the installation ...

Страница 30: ...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 Insert the screw through the hole located at the housing and tighten it firmly screw driver type PH2 torque 2 5Nm Grounding parts information Object Explanation 1 M5 screw 2 M5 OT terminal 3 Yellow green grounding wire ...

Страница 31: ...open circuit voltage of the PV array must never exceed the maximum input voltage of the inverter 4 The connection cables of the PV modules must be provided with the connectors 5 The positive connection cables of the PV modules must be fitted with the positive DC connectors The negative connection cables of the PV modules must be provided with the negative DC connectors Danger to life due to high v...

Страница 32: ... and comply with the following properties 1 External diameter 5 8mm 2 Conductor cross section 2 5 6mm 3 Qty single wires minimum 7 4 Nominal voltage minimum 1100V Procedure 1 Strip about 12 mm of the cable insulation 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 conduct...

Страница 33: ...T G3_EN_V02_0622 2 Route the stripped cable all the way into the DC connector Ensure that 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 ...

Страница 34: ...sm and lever open 4 Carefully pull the DC connector apart 5 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 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 e...

Страница 35: ...34 User Manual UM0016_ASW 25K 40K LT G3_EN_V02_0622 6 Remove the cable ...

Страница 36: ...the same polarity as the DC connector 5 Ensure that the open circuit voltage of the PV strings does not exceed the maximum DC input voltage of the inverter 6 Unplug the sealing plug on the input end of the DC connector and connect the assembled DC connectors to the inverter until they audibly snap into place Do not unplug the sealing plug from the input end of unused DC connector Destruction of th...

Страница 37: ... 40K LT G3_EN_V02_0622 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 ...

Страница 38: ...ts of the inverter can be irreparably damaged by electrostatic discharge Ground yourself before touching any component 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 Please check the wiring of the RJ45 connector before cri...

Страница 39: ...ng to DIN 46228 4 provided by the customer Procedure 1 Unscrew the communication port cover cap in the following arrow sequence and insert the network cable into the RS485 communication client attached 2 Insert the network cable into the corresponding communication terminal of the machine according to the arrow sequence tighten the thread sleeve and then tighten the forcing nut at the tail ...

Страница 40: ... Manual UM0016_ASW 25K 40K LT G3_EN_V02_0622 39 5 6 2 Mounting the COM3 WiFi 4G The communication stick interface COM3 is only applicable to AISWEI products and can not be connected to any other USB devices ...

Страница 41: ...s following two pictures both two methods are available Please note that each 4G WiFi stick can only connect to 5 inverters in method1 Android IOS PC Tablet Internet ASWCloud Internet Router Signal base station WIFI 4G Inverter Inverter Method 1 only one inverter with the 4G WiFi Stick the other inverter be connected through the RS 485 cable Android IOS PC Tablet Internet ASWCloud Internet Router ...

Страница 42: ...s solplanet net installer area monitoring for system information And download the user manual for the AISWEI Cloud Web or AISWEI APP 6 2 Active power control with Smart meter The inverter can control activepower output via connecting smart meter following picture is the system connection mode through WiFi stick The smart meter should support the MODBUS protocol with a baud rate of 9600 and address...

Страница 43: ...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 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 DRMs application description Only...

Страница 44: ... Do not generate at more than 50 of rated power DRM 7 Do not generate at more than 75 of rated power AND Sink reactive power if capable DRM 8 Increase power generation subject to constraints from other active DRMs If DRMs support is required the inverter should be used in conjunction with AiCom the Demand Response Enabling Device DRED can be conneted to the DRED port on AiCom via RS485 cable You c...

Страница 45: ...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 At the same time the error code 38 will be sent to the AISWEI Cloud This function is only available in Australia and New Zealand ...

Страница 46: ...e permitted limits 3 Check the polarity of the DC voltage make sure the DC voltage has the correct polarity 4 Check the PV generator s insulation to ground with a multimeter make sure that insulation resistance to ground is greater than 1MOhm Danger to life due to the presence of DC Voltage Touching the live conductors can lead to lethal electric shocks Only touch the insulation of the PV array ca...

Страница 47: ...ter is waterproof as follows 1 Make sure the inverter has been correctly mounted with wall bracket 2 Make sure the cover has been correctly mounted 3 Make sure the communication cable and AC connector have been correctly wired and tightened 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 Wea...

Страница 48: ...t breaker and DC switch in turn Once the DC input voltage is sufficiently high and the grid connection conditions are met the inverter will start operation automatically Usually there are three states during operation 1 Waiting When the initial voltage of the strings is greater than the minimum DC input voltage but lower than the start up DC input voltage the inverter is waiting for sufficient DC ...

Страница 49: ...ing 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 ...

Страница 50: ...User Manual UM0016_ASW 25K 40K LT G3_EN_V02_0622 49 8 Display 8 1 Overview of the control panel The inverter is equipped with a display panel which has 3 LED indicators ...

Страница 51: ...d connected working state the light is always on In Fault mode the light is off 2 COM communication indicator When the inverter communicates with other devices normally the white light flashes If communication is abnormal or not connected the light is off 3 Fault indicator The light is on when the invert is faulty or when external conditions cannot be grid connected or when it is working improperl...

Страница 52: ...tric shock when touching exposed DC conductors or DC plug contacts if the DC connectors are damaged or loose The DC connectors can break or become damaged become free of the DC cables or no longer be connected correctly if the DC connectors are released and disconnected incorrectly This can result in the DC conductors or DC plug contacts being exposed Touching live DC conductors or DC plug connect...

Страница 53: ...iver blade width 3 5 mm into one of the slide slots and pull the DC connectors out downwards Do not pull on the cable 5 Release and disconnect the AC connector Unscrew the screws of the AC terminals and then pull out the AC connector 6 Wait until all LEDs and the display have gone out ...

Страница 54: ...e Rated input voltage 1100V 630V MPP voltage range 180 1000 V Full load MPP voltage range 450 V 850 V Intitial feed in voltage 160 V Min input voltage 200V Max DC input current 32A 32 A 32A Isc PV absolute max 48 A 48A 48A Maximum reverse current from the inverter in the system for max 1 ms 0A Number of MPP trackers 3 Strings per MPP tracker 2 Overvoltage category in accordance with IEC60664 1 II ...

Страница 55: ...V Intitial feed in voltage 160 V Min input voltage 200V Max DC input current 32A 32A 40A Isc PV absolute max 48A 48A 60A Maximum reverse current from the inverter in the system for max 1 ms 0A Number of MPP trackers 3 Strings per MPP tracker 2 Overvoltage category in accordance with IEC60664 1 II 1 When the DC input voltage is greater than 1070V the inverter will alarm an error 2 When the DC input...

Страница 56: ...7500VA 29700VA 33000VA Rated AC Voltage 1 3 N PE 230 400V AC voltage range 180V 305V 312V 528V Rated AC Frequency 2 50Hz 60Hz Operating range at AC power frequency 50 Hz 45Hz to 55Hz Operating range at AC power frequency 60 Hz 55Hz to 65Hz Max continuous output current 39 9A 43 0A 47 8A Maximum output current under fault conditions 110A Maximum output overcurrent protection 63A Adjustable displace...

Страница 57: ...age range 180V 305V 312V 528V Rated AC Frequency 2 50Hz 60Hz Operating range at AC power frequency 50 Hz 45Hz to 55Hz Operating range at AC power frequency 60 Hz 55Hz to 65Hz Max continuous output current 52 6A 57 4A 63 8A Maximum output current under fault conditions 135A Maximum output overcurrent protection 100A Adjustable displacement power factor 0 80 ind 0 80 cap Inrush current peak and dura...

Страница 58: ...5K 40K LT G3_EN_V02_0622 57 Overvoltage category in accordance with IEC60664 1 III 1 The AC voltage range depends on the local safety standards and rules 2 The AC frequency range depends on the local safety standards and rules ...

Страница 59: ... 25 60 Max permissible value for relative humidity non condensing 100 Max operating altitude above mean sea level 3000m Ingress protection IP66 according to IEC60529 Climatic category 4K4H Protection class I according to IEC 62103 Topology Transformerless Feed in phases 3 Cooling concept Fan cooling Display LED Communication interfaces WiFi 4G RS485 optional Radio technology WLAN 802 11 b g n Radi...

Страница 60: ...x permissible value for relative humidity non condensing 100 Max operating altitude above mean sea level 3000m Ingress protection IP66 according to IEC60529 Climatic category 4K4H Protection class I according to IEC 62103 Topology Transformerless Feed in phases 3 Cooling concept Fan cooling Display LED Communication interfaces WiFi 4G RS485 optional Radio technology WLAN 802 11 b g n Radio spectru...

Страница 61: ...otection Integrated DC insulation monitoring Integrated DC injection monitoring Integrated Grid monitoring Integrated Residual current monitoring Integrated Islanding protection Integrated Three phase monitoring EMC immunity EN61000 6 1 EN61000 6 2 EMC emission EN61000 6 3 EN61000 6 4 Utility interference EN61000 3 11 EN61000 3 12 ...

Страница 62: ...ond protective grounding connection 2 5Nm Stick Hand tight RS485 sleeve Open end of 29 Swivel nut of M28 cable gland 1 6 Nm RS485 nut Open end of 25 Swivel nut of M25 cable gland 1 2 Nm AC connector nut Open end of 50 Swivel nut of sunclix connector 10 Nm Wire stripper Peel cable jackets Crimping tools Crimp power cables Hammer drill drill bit of Ø10 Drill holes on the wall Rubber mallet Hammer wa...

Страница 63: ...al UM0016_ASW 25K 40K LT G3_EN_V02_0622 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 ...

Страница 64: ...y to modify the operating parameters after informing the grid operator first E34 Check the grid voltage and grid connection on inverter Check the grid voltage at the point of connection of inverter If the grid voltage is outside the permissible range due to local grid conditions try to modify the values of the monitored operational limits after informing the electric utility company first If the g...

Страница 65: ...ke a visual inspection of all PV cables and modules Make sure the grounding connection of the inverter is reliable If this fault occurs often contact the service E40 Check whether the airflow to the heat sink is obstructed Check whether the ambient temperature around the inverter is too high E46 Check whether the open circuit voltage of each photovoltaic group is 1020V If the open circuit voltage ...

Страница 66: ... voltage 32 PV2 input over voltage 34 PV1 input over current software 35 PV1 input over current hardware 36 PV2 input over current software 37 PV2 input over current hardware 40 BUS over voltage software 42 BUS voltage unbalance for three phase inverter 44 Grid voltage over instant 45 Output over current software 46 Output over current hardware 47 Anti islanding 150 PV1 SPD Fault 156 Inter Fan abn...

Страница 67: ...DC switch is located at the lower left of the housing 12 2 Cleaning the heat sink An external fan is installed at the bottom of the inverter When the fan fails to work normally the inverter cannot effectively dissipate heat and the load drops or the machine may even shut down At this time the fan needs to be cleaned or replaced Clean the heat sink with pressurized air or a soft brush Do not use ag...

Страница 68: ...4 EU Declaration of Conformity within the scope of the EU directives Electromagnetic compatibility 2014 30 EU L 96 79 106 March 29 2014 EMC Low Voltage Directive 2014 35 EU L 96 357 374 March 29 2014 LVD Radio Equipment Directive 2014 53 EU L 153 62 106 May 22 2014 RED AISWEI New Energy Technology Jiangsu Co Ltd confirms herewith that the inverters described in this document are in compliance with...

Страница 69: ...t provide a copy of the invoice factory warranty card and ensure the type label of the inverter is legible If these conditions are not met AISWEI has the right to refuse to provide with the relevant warranty service 16 Contact If you have any technical problems concerning our products please contact Aiswei service We require the following information in order to provide you with the necessary assi...

Страница 70: ...oom 905B 757 Mengzi Road Huangpu District Shanghai 200023 China AISWEI Pty Ltd Hotline 61 390 988 673 Service email service au aiswei tech com Add Level 40 140 William Street Melbourne VIC 3000 Australia AISWEI B V Hotline 31 208 004 844 Netherlands 48 134 926 109 Poland Service email service eu aiswei tech com Add Muiderstraat 9 G Amsterdam 1011 PZ the Netherlands Rest of the world Service email ...

Страница 71: ...70 User Manual UM0016_ASW 25K 40K LT G3_EN_V02_0622 ...

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