user manual for Solplanet models including: ASW LT-G2 Pro Series Three Phase String Inverters, ASW LT-G2 Pro Series, Three Phase String Inverters, Phase String Inverters, String Inverters, Inverters

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Installation and Operating Instruction 3-20K LT-G2 Series July 2022 English pdf

ASW 3-20K LT-G2 Pro Series | Solplanet

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manual-asw-3k-20k-lt-g2-pro-en-1--1
Three phase string inverters
ASW LT-G2 Pro Series
User Manual
ASW 3K / 4K / 5K / 8K / 10K / 12K / 13K / 15K / 17K / 20K-LT-G2 Pro

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 .......................................................................................... 7 2.2 Important safety information................................................................ 8 2.3 Symbols on the label............................................................................. 9
3 Unpacking ..................................................................................... 11
3.1 Scope of delivery ................................................................................. 11 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.................................................................... 20
5.1 Safety .................................................................................................... 20 5.2 Electrical Connection Panel ............................................................... 21 5.3 Electrical connection diagram with a separate DC isolator ............ 22 5.4 AC Connection..................................................................................... 22
5.4.1 Conditions for the AC connection .............................................. 22

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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 ............................................. 34 5.6.1 Mounting the WiFi or 4G Stick .................................................... 34 5.6.2 Connect the RS485 network cable ............................................. 35 5.6.3 Connect the smart meter cable................................................... 37
6 Communication ............................................................................ 38
6.1 System monitoring via WLAN ............................................................ 38 6.2 Active power control with Smart meter............................................. 39 6.3 Remote firmware update..................................................................... 40 6.4 Active power control via demand response enabling device (DRED) ..................................................................................................................... 40 6.5 Communication with the third party device...................................... 41 6.6 Earth fault alarm .................................................................................. 41
7 Commissioning............................................................................. 42
7.1 Electrical check ................................................................................... 42 7.2 Mechanical check ................................................................................ 43 7.3 Safety code check ............................................................................... 44 7.4 Start-up ................................................................................................. 44

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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 ....................................................................................... 57 10.4 Safety regulations ............................................................................. 57 10.5 Tools and torque ............................................................................... 59
11 Troubleshooting ......................................................................... 61 12 Maintenance................................................................................ 64
12.1 Cleaning the contacts of the DC-switch.......................................... 64 12.2 Cleaning the heat sink ...................................................................... 64
13 Recycling and disposal .............................................................. 65 14 EU Declaration of Conformity .................................................... 65 15 Warranty...................................................................................... 66 16 Contact ........................................................................................ 66

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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:
ASW3K-LT-G2-Pro ASW4K-LT-G2-Pro ASW5K-LT-G2-Pro ASW6K-LT-G2-Pro ASW8K-LT-G2-Pro ASW10K-LT-G2-Pro ASW12K-LT-G2-Pro ASW13K-LT-G2-Pro ASW15K-LT-G2-Pro ASW17K-LT-G2-Pro ASW20K-LT-G2-Pro Please read this manual carefully before using this product, keep it in a convenient place and make it available at all times.

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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. 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 · Knowledge of the applicable laws, standards and directives · Knowledge of and compliance with this document and all safety information.
1.4 Symbols used in this manual
Safety instructions will be highlighted with the following symbols:
DANGER indicates a hazardous situation which, if not be avoided, will result in death or serious injury.

WARNING indicates a hazardous situation which, if not be avoided, can result in death or serious injury.

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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.

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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. Do not connect any sources of energy other than PV modules to ASW LT-G2-Pro series inverter. 4. PV modules with a high capacity to ground must only be used if their coupling capacity does not exceed 5.0F. 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 released by AISWEI and the grid operator. 8. Use this product only in accordance with the information provided in this documentation and with the locally applicable standards and directives. Any other application may cause personal injury or property damage. 9. The type label must remain permanently attached to the product.

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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. · Do not open the inverter. · Children must be supervised to ensure that they do not play with the inverter.

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. 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 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 sources as described in this document (see Section 9 "Disconnecting the Inverter from Voltage Sources").

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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. · 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 yourself before touching any component.

2.3 Symbols on the label

Symbol

Explanation Beware of a danger zone This symbol indicates that the inverter must be additionally grounded if additional grounding or equipotential bonding is required at the installation site.

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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. 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 got the quality certification mark. RCM Mark The product complies with the requirements of the applicable Australian standards. Capacitors discharge Before opening the covers, the inverter must be disconnected from the grid and PV array. Wait at least 5 minutes to allow the energy storage capacitors to fully discharge.
Observe the documentation Observe all documentation supplied with the product

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3 Unpacking

3.1 Scope of delivery

Obje
A B C

Description
Inverter Wall bracket DC connector

D AC connector E Documentation F Screw accessory G 4G/ WiFi Stick H Communication Cover

Quantity 1 piece 1 piece
2 pairs(3-10K), 3 pairs(1215K), 4 pairs(17-20K)
1 piece 1 piece 1 piece 1 piece 2 pieces

Please carefully check all the components in the carton. If anything is missing, contact your dealer at once.

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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.

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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. · Do not mount the inverter in areas where there is a risk of explosion.
1. Be sure that the inverter is mounted out of the reach of children. 2. Mount the inverter in areas where it cannot be touched inadvertently. 3. Ensure good access to the inverter for installation and possible service. 4. The ambient temperature 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.

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Direction above below sides

Min. clearance (mm) 500 500 300

Clearances for one inverter

Clearances for multiple inverters
6. 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.
7. Ensure optimum operation and extend service life, avoid exposing the
inverter to direct sunlight, rain and snow.

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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. 11. Mount the inverter vertically or tilted backward by max.15°.

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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.

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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. · Transport and lift the inverter carefully. Mounting procedure:
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 are laid in the wall which could be damaged when
drilling holes.
1. Use the wall bracket as a drilling template and mark the positions of the drill holes, then drill 3 holes (10) to a depth about 70mm. During operation, keep the drill vertical to the wall, and hold the drill steady to avoid tilted holes.

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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. After cleaning the dust and other objects from the holes, place 3 wall anchors into the holes, then attach the wall bracket to the wall using the hexagon head screw delivered with the inverter.
3. Hold the inverter using the handles at the corners, attach the inverter onto the wall bracket tilted slightly downwards.

4. Check both sides of the outer fin of the inverter to ensure that it is securely in place.

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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.

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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. 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 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 sources as described in chapter 9.
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.

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5.2 Electrical Connection Panel

Object Description A DC-switch B MPP1 connector (3-10K has 1 pair of terminals, 12K-20K has 2 pairs of terminals) C MPP2 connector (3K-15K has 1 pair of terminals, 17K-20K has 2 pairs of terminals) D RS485 Communication interface COM1/2 E Communication Stick interface COM3 F AC connector G Additional grounding screw

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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:

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.

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Object Description

Value

A External diameter B Conductor cross-section

10...16 mm 2.5...6 mm2

C Stripping length of the insulated conductors Approx. 13 mm

D Stripping length of the AC cable's outer sheath

Approx.53 mm

The PE insulated conductor must be 2 mm longer than the L and N

conductors

Larger cross-sections should be used for longer leads.

Cable Design The conductor cross-section should be dimensioned to avoid 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 disconnect immediately from the mains power as soon as fault current with a value exceeding the limit.

If an external residual-current protection device is required, please install a type B residual-current protection device with a protection limit of not less than 100mA.
Overvoltage category The inverter can be used in grids of overvoltage category III or lower in accordance with IEC 60664-1. This means that it can be permanently

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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. 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. Derating of the AC circuit breaker rating may be necessary due to self-heating or if exposed to heat. The maximum output current and the maximum output overcurrent protection of the inverters can be found in section 10 "Technical data".
Grounding conductor monitoring The inverter is equipped with a grounding conductor monitoring device. This grounding conductor monitoring device detects when there is no grounding conductor connected and disconnects the inverter from the utility grid if this is the case. Depending on the installation site and grid configuration, it may be advisable to deactivate the grounding conductor monitoring. This is necessary, for example, in an IT system if there is no neutral conductor present and you intend to install the inverter between two line conductors. If you are uncertain about this, contact your grid operator or AISWEI.

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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. · Connect an additional grounding that has at least the same cross-section as the connected grounding conductor to the AC connector bush insert. This prevents touch current in the event of the grounding conductor on the AC connector bush insert failing.
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. Switch off the AC circuit breaker and secure it against reconnection. 2. Insert the copper wire into a suitable European style tube connector
(according to DIN 46228-4) and crimp it.

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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. Insert the grounding wire (PE), neutral wire (N) and live wire (L1, L2 and L3) of the crimped European connector into the corresponding holes of the terminal block as indicated by the arrows below, and tighten the screws with a 3mm wide Allen wrench. The torque is 2.0 Nm.

4. Push the holding buckle and the sealing plug into the screw sleeve body, and then assemble the terminal block, the screw sleeve body and the tightening nut together. First clamp the terminal block with a plastic clamp, then screw the screw sleeve body onto the terminal block, and finally tighten the tightening nut.

5. Insert the wired AC connector into the corresponding AC output port of the inverter and tighten it clockwise..

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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. 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

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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. · Do not disconnect the DC connectors under load.
5.5.1 Requirements for the DC connetion
Requirements for the PV modules of a string: ·PV modules of the connected string must be the same type, Identical alignment and Identical tilt. · The thresholds for the input voltage and the input current of the inverter must
be adhered to (see Section 10.1 "Technical DC input data"). · On the coldest day based on statistical records, the open-circuit voltage of
the PV array must never exceed the maximum input voltage of the inverter. · The connection cables of the PV modules must be provided with the
connectors · 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.

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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. · Cover the PV modules. · Do not touch the DC conductors. Assemble the DC connectors as described below. Be sure to observe the correct polarity. The DC connectors are marked with the symbols "+" and " - ".
Cable requirements: The cable must be of type PV1-F, UL-ZKLA or USE2 and comply with the following properties:  External diameter: 5-8mm  Conductor cross-section: 2.5-6mm²  Qty single wires: minimum 7  Nominal voltage: minimum 1100V Procedure: 1. Strip about 12 mm of the cable insulation.

2. Route the stripped cable all the way into the DC connector. Ensure that

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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. Touching the DC conductors can lead to lethal electric shocks. · Cover the PV modules. · Do not touch the DC conductors.

Procedure:
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1. Make sure DC power is cut off. 2. Unscrew the swivel nut.
3. To release the DC connector, insert a flat-blade screwdriver (blade width: 3.5 mm) into the side catch mechanism 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.
6. Remove the cable.

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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. · Check the design of the PV system
Procedure: 1. Ensure that the individual AC circuit breaker is switched off and secure it
against reconnection. 2. Ensure that the DC-switch is switched off and secure it against
reconnection. 3. Ensure that there is no ground fault in the PV strings. 4. Check whether the DC connector has the correct polarity. If the DC
connector fits with a DC cable having the wrong polarity, the DC connector must be reassembled again. The DC cable must always have 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.

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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.

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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. Procedure: 1. Take out the WiFi Stick included in the scope of delivery. 2. Attach the WiFi Stick to the connection port in place and tighten it into the
port by hand with the nut in the stick. Make sure the stick is securely connected and the label on the modular can be seen.

The communication stick interface COM3 is only applicable to AISWEI products and can not be connected to any other USB devices.

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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. · Please check the wiring of the RJ45 connector before crimping the contact.
This inverter is equipped with RJ45 interfaces for RS485 communication. The network cable should be connected to COM1/2 connection in section 5.2. Pinout detail of the RJ45 interface on the inverter as follows:

The network cable meeting the EIA/TIA 568A or 568B standard must be UV resistant if it is to be used outdoors. Cable requirement: - Shielding wire - CAT-5E or higher - UV-resistant for outdoor use - RS485 cable maximum length 1000m

Procedure: 1. Take out the communication cover from the package. 2. Screw on the cover cap of the signal terminal according to the sequence of

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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.

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. All the warranty claim will be invalid. · Make sure the cable gland has been tightened firmly.

Disassemble the network cable in reverse order.

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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.

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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.

-...

-...

~~ ~~
Inverter

-... ~~

-...

-...

~~ ~~
Inverter

-... ~~

WIFI Router
4G

Internet

ASWCloud Internet

Signal base station

Tablet IOS Android PC

Method 1 only one inverter with the 4G/WiFi Stick, the other inverter be connected through the RS 485 cable.

-...
~~
Inverter
-...
~~
Inverter

WIFI
Router
4G

Internet

ASWCloud Internet

Signal base station

Tablet IOS
Android PC

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Mehod 2 every inverter with 4G/WiFi Stick, every inverter can connect to internet. 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/installerarea/#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 set 1. Smart meter as above SDM630-Modbus connecting method and seting baud rate method for modbus please refer to it's user manual.

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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.
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
· Only applicable to AS/NZS4777.2:2020. · DRM0, DRM5, DRM6, DRM7, DRM8 are available.

The inverter shall detect and initiate a response to all supported demand response commands, demand response modes are described as follows:
Mode Requirement DRM 0 Operate the disconnection device

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User Manual UM0014_ASW 3K-20K-LT-G2 PRO_EN_V02_0622

DRM 1 Do not consume power DRM 2 Do not consume at more than 50% of rated power DRM 3 Do not consume at more than 75% of rated power AND Source
reactive power if capable DRM 4 Increase power consumption (subject to constraints from other
active DRMs) DRM 5 Do not generate power DRM 6 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 can vist the website 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.

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. 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)

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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.
· Only touch the insulation of the PV array cables. · Do not touch parts of the sub-structure and frame of the PV array which isn't grouned. · Wear personal protective equipment such as insulating gloves.
 Check the DC voltage values: make sure that the DC voltage of the strings does not exceed the permitted limits.
 Check the polarity of the DC voltage: make sure the DC voltage has the correct polarity.
 Check the PV generator's insulation to ground with a multimeter: make sure that insulation resistance to ground is greater than 1MOhm.

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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.
 Check the grid voltage: check that the grid voltage at the point of connection of the inverter is within the permitted range.
7.2 Mechanical check
Carry out the main mechanical checks to ensure the inverter is waterproof as follows:
 Make sure the inverter has been correctly mounted with wall bracket.
 Make sure the cover has been correctly mounted.
 Make sure the communication cable and AC connector have been correctly wired and tightened.

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7.3 Safety code check
Choose suitable safety code according to the location of installation. please visit website (https://solplanet.net/installer-area/#monitoring) and download the 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. 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: 1Waiting: 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 input voltage and cannot feed power into the grid. 2Checking: When the initial voltage of the strings exceeds the start-up DC input voltage, the inverter will check feeding conditions at once. If there is anything wrong during checking, the inverter will switch to the "Fault" mode. 3Normal: After checking, the inverter will switch to "Normal" state and feed power into the grid.

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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".

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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: 1. 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. 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.

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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 improperly. When there is no fault, the

light is off

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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. Disconnect the DC-switch and secure against reconnection. 3. Use a current probe to ensure that no current is present in the DC cables.

Danger to life due to electric 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 connectors will result in death or serious injury due to electric shock. · Wear insulated gloves and use insulated tools when working on the DC connectors. · Ensure that the DC connectors are in perfect condition and that none of the DC conductors or DC plug contacts are exposed. · Carefully release and remove the DC connectors as described in the following.

4. Release and remove all DC connectors. Insert a flat-blade screwdriver or an angled screwdriver (blade width: 3.5 mm) into one of the slide slots and pull the DC connectors out downwards. Do not pull on the cable.

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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.

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10 Technical data

10.1 DC input data

Type

ASW3K-LT- ASW4K-LT- ASW5K-LT- ASW6K-LT-

G2-Pro

G2-Pro

G2-Pro

G2-Pro

Max. PV modules power (STC) Max. input voltage/ Rated input voltage MPPT voltage range Full load MPPT voltage range Intitial feed-in voltage Min input voltage Max. DC input current Isc PV, absolute max. Maximum reverse current from the inverter in the system for max. 1 ms Number of MPP trackers

4500W

6000W

7500W

1100V/630V
1501000 V 270850 V
180V 125V 16A/16A 25A/25A

0A

2

9000W

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Strings per MPP 1/1
tracker Overvoltage category in
II accordance with IEC60664-1

Type
Max. PV modules power (STC) Max. input voltage/ Rated input voltage MPPT voltage range Full load MPPT voltage range Intitial feed-in voltage Min input voltage Max. DC input current Isc PV, absolute max. Maximum reverse current from the

ASW8K-LT- ASW10K-LT- ASW12K- ASW13K-

G2-Pro

G2-Pro

LT-G2-Pro LT-G2-Pro

12000W

15000W

18000W

19500W

1100V/630V

1501000 V

400850 V

180V

125V

20A/16A

32A/20A

30A/25A

48A/30A

0A

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inverter in the system for max. 1 ms Number of MPP trackers Strings per MPP tracker Overvoltage category in accordance with IEC60664-1

2

1/1

2/1

II

Type
Max. PV modules Power (STC) Max. input voltage/ Rated input voltage MPP voltage range Full load MPP voltage range Intitial feed-in voltage Min input voltage Max. DC input current Isc PV, absolute max. Maximum reverse current from the inverter in the system for max. 1 ms

ASW15K-LTG2-Pro 22500W
32A/20A 48A/30A

ASW17KLT-G2-Pro
25500W

ASW20K-LTG2-Pro
30000W

1100V/630V

1501000 V

400850V

180V 125V

2*32A 2*48A

0A

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Number of MPP 2
trackers

Strings per MPP

2/1

2/2

tracker

Overvoltage category

in accordance with

II

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.

(3) The full-load MPP voltage range of the inverter is the value measured

under the rated AC voltage. If you have any questions, please consult local

service personnel.

10.2 AC output data

Type
Rated output power Max. output active power Max. output apparent power

ASW 3KLT-G2-Pro
3000W

ASW 4KLT-G2-
Pro 4000 W

ASW 5KLT-G2-
Pro 5000 W

ASW 6KLT-G2-
Pro 6000 W

3300W

4400 W 5500 W 6600 W

3300VA 44000 VA 5500 VA 6600VA

Rated AC Voltage (1)

3/N/PE, 220/380 V, 230/400 V,240/415 V

AC voltage range Rated AC Frequency (2) Operating range at AC power frequency 50 Hz Operating range at AC power frequency 60 Hz

160 V~300 V 50 Hz/ 60 Hz 45 Hz to 55Hz
55 Hz to 65Hz

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53

Max. continuous output current Maximum output current under fault conditions Maximum output overcurrent protection Adjustable displacement power factor Inrush current (peak and duration) Harmonic distortion (THD) at the rated power Night-time power loss Standby power loss Overvoltage category in accordance with IEC60664-1

3×4.8 A

3×6.4 A 3×8.0 A 3×9.6 A 3×14A 3×16A
0.80 ind - 0.80 cap <10A @250us < 3% <1 W <12 W III

Type
Rated output power Max. output active power Max. output apparent power Rated AC Voltage (1) AC voltage range

ASW 8KLT-G2-Pro
8000W

ASW 10K-LTG2-Pro 10000 W

ASW 12K-LTG2-Pro 12000 W

ASW 13K-LTG2-Pro 13000 W

8800W 11000 W 13200 W 14300 W

8800VA 11000 VA 13200 VA 14300VA
3/N/PE, 220/380 V, 230/400 V,240/415 V 160 V~300 V

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Rated AC Frequency (2) Operating range at AC power frequency 50 Hz Operating range at AC power frequency 60 Hz Max. continuous output current Maximum output current under fault conditions Maximum output overcurrent protection Adjustable displacement power factor Inrush current (peak and duration) Harmonic distortion (THD) at the rated power Night-time power loss Standby power loss Overvoltage category in accordance with IEC60664-1

50 Hz/ 60 Hz 45 Hz to 55Hz 55 Hz to 65Hz 3×12.8 A 3×16 A 3×19.1 A 3×20.7 A

3×25A

3×33A

3×32A

3×40A

0.80 ind - 0.80 cap

<10A @250us

< 3%
<1 W <12 W
III

Type Rated output power

ASW 15K-LTG2-Pro
15000 W

ASW 17K-LTG2-Pro
17000 W

ASW 20KLT-G2-Pro
20000 W

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Max. output active power Max. output apparent power

16500 W 16500VA

18700 W 18700VA

22000W 22000VA

Rated AC Voltage (1)

3/N/PE, 220/380 V, 230/400 V,240/415 V

AC voltage range Rated AC Frequency (2) Operating range at AC power frequency 50 Hz Operating range at AC power frequency 60 Hz Max. continuous output current Maximum output current under fault conditions Maximum output overcurrent protection Adjustable displacement power factor Inrush current (peak and duration) Harmonic distortion (THD) at the rated power Night-time power loss Standby power loss Overvoltage category in accordance with IEC60664-1

3×24A 3×33A 3×40A

160 V~300 V 50 Hz/ 60 Hz
45 Hz to 55Hz

55 Hz to 65Hz

3×27.1 A

3×31.9 A

3×46A

3×60A

0.80 ind - 0.80 cap

<10A @250us

< 3%
<1 W <12 W
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.

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10.3 General data

Type
Net weight Dimensions(L×W×D) Mounting environment Mounting recommendation

ASW 3K-

ASW 12K-

ASW

10K-LT-G2- 15K-LT-G2- 17/20K-LT-

Pro

Pro

G2-Pro

16 KG

17.3 KG

18.6KG

503×435×183 mm

Indoor and Outdoor

Wall bracket

Operating temperature range

-25...+60

Max. permissible value for relative humidity ( noncondensing ) Max. operating altitude above mean sea level Ingress protection Climatic category Protection class Topology Feed-in phases
Cooling concept
Display Communication interfaces Radio technology
Radio spectrum
Antenna gain

100%

3000m

IP65 according to IEC60529

4K4H

I according to IEC 62103

Transformerless

3

Natural convection

Active cooling

LED

WiFi/4G/RS485(optional)

WLAN 802.11 b / g / n

WLAN 2.4 GHz with 2412MHz ­ 2472MHz

band

2dB

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10.4 Safety regulations
Type Internal overvoltage protection DC insulation monitoring DC injection monitoring Grid monitoring Residual current monitoring Islanding protection
EMC immunity
EMC emission
Utility interference

ASW LT-G2-Pro Series inverter
Integrated
Integrated
Integrated Integrated
Integrated
Integrated (Three-phase monitoring) EN61000-6-1 EN61000-6-2 EN61000-6-3 EN61000-6-4
EN61000-3-2, EN61000-3-3 EN61000-3-11EN61000-3-12

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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

T25

Torque screwdriver, Screws for wall bracket

1.6Nm

T20

Screw for second

grounding

Flat-head screwdriver, Sunclix DC connector

/

blade with 3.5mm

Torque screwdriver, Screw for second protective 1.6Nm

PH2

grounding connection

Cross head

Flat-head screwdriver, Smart meter connector

/

blade 0.4×2.5

/

Stick

Hand-tight

Socke Open end of Swivel nut of M25 cable

Hand-tight

t

33

gland

wrenc Open end of Swivel nut of sunclix

2.0Nm

h

15

connector

Wire stripper

Peel cable jackets

/

Crimping tools

Crimp power cables

/

Hammer drill,

Drill holes on the wall

/

drill bit of Ø10

Rubber mallet

Hammer wall plugs into

/

holes

Cable cutter

Cut power cables

/

Multimeter

Check electrical connection /

Marker

Mark the positions of drill /

holes

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ESD glove Safety goggle Anti-dust respirator

Wear ESD glove when

/

opening the inverter

Wear safety goggle during /

drilling holes.

Wear anti-dust respirator /

during drilling holes.

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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:

Object

Error code

E33

Presumable E34
Fault

E35 E36

Corrective measures
· Check the grid frequency and observe how often major fluctuations occur. If this fault is caused by frequent fluctuations, try to modify the operating parameters after informing the grid operator first. · 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 grid voltage lies within the permitted range and this fault still occurs, please call service. · Check the fuse and the triggering of the circuit breaker in the distribution box. · Check the grid voltage, grid usability. · Check the AC cable, grid connection on the inverter. If this fault is still being shown, contact the service. · Make sure the grounding connection of the inverter is reliable. ·Make a visual inspection of all PV cables and

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modules. If this fault is still shown, contact the service.

E37
Presumable Fault
E38
E40
E46
E48 E56 E57 E58 E61 E62 E65

· 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 the insulation resistance to ground is greater than 1 MOhm. Otherwise, make 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. · Check whether the airflow to the heat sink is obstructed. · Check whether the ambient temperature around the inverter is too high. · Check whether the open circuit voltage of each photovoltaic group is 1020V. If the open circuit voltage of each pv group is less than 995V and this fault still exists, please contact the service personnel. · Check whether the electric supply is abnormal. If the electric supply is normal and this fault still exists, please contact the service personnel. · Disconnect the inverter from the grid and the PV array and reconnect after 3 minutes. If this fault is still being shown, contact the service. · Check the DRED device communication or operation. · Make sure the grounding connection of the inverter

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E01

Permanent E03

Fault

E05

E07

Permanent E08

Fault

E10

is reliable. If this fault occurs often, contact the service. · 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.

Warning code
31 32 34 35 36 37 40 42 44 45 46 47 150 156 157 163 166 167 174

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 PV2 input over current-hardware BUS over voltage-software BUS voltage unbalance (for three phase inverter) Grid voltage over instant Output over current-software Output over current-hardware Anti-islanding PV1-SPD Fault Inter Fan abnormal External Fan abnormal GFCI Redundancy check CPU self-test --register abnormal CPU self-test --RAM abnormal Low Air Temperature

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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. Perform cleaning by cycling the switch to ON/OFF positions 5 times. The DC-switch is located at the lower left of the housing.
12.2 Cleaning the heat sink

Risk injury due to hot heat sink
The heat sink may exceed 70 during operation. · Do not touch the heatsink during operation. · Wait approx. 30 minutes before cleaning until the heatsink has cooled

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 aggressive chemicals, cleaning solvents or strong detergents. For proper function and long service life, ensure free air circulation around the heatsink.

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13 Recycling and disposal
Dispose of the packaging and replaced parts according to the rules at the installation site where the device is installed.
Do not dispose of the product together with the household waste but in accordance with the disposal regulations for electronic waste applicable at the installation site.
14 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 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.

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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. 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 assistance: · Inverter device type · Inverter serial number · Type and number of connected PV modules · Error code · Mounting location · Warranty card

AISWEI Technology (Shanghai) Co., Ltd.

Hotline: +86 400 801 9996 (Mainland)

+886 809 089 212 (Taiwan)

Service email: service.china@aiswei-tech.com

Web: https://solplanet.net/contact-us/

Add.: Room 905B, 757 Mengzi Road, Huangpu District,

Shanghai,200023,China

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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: service.row@aiswei-tech.com

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68

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References

Microsoft Word 2016

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