Solplanet ASW75K-LT User manual

Table of contents
1General information................................................................................................................................................. 4
1.1 About this document ....................................................................................................................................................... 4
1.2 Area of the validity........................................................................................................................................................... 4
1.3 Target group..................................................................................................................................................................... 4
1.4 Safety warning symbols guide.......................................................................................................................................... 5
2Safety....................................................................................................................................................................... 6
2.1 Intended use .................................................................................................................................................................... 6
2.2 Important safety instructions .......................................................................................................................................... 6
2.3 Symbols on the label........................................................................................................................................................ 8
3Unpacking and storage............................................................................................................................................. 9
3.1 Scope of delivery.............................................................................................................................................................. 9
3.2 Product storage................................................................................................................................................................ 9
4Inverter overview................................................................................................................................................... 10
4.1 Product description........................................................................................................................................................ 10
4.2 Dimensions..................................................................................................................................................................... 11
4.3 LED indicator .................................................................................................................................................................. 11
4.4 Circuit diagram............................................................................................................................................................... 12
4.5 Supported grid types...................................................................................................................................................... 12
4.6 Interfaces and functions ................................................................................................................................................ 12
4.7 Communication overview .............................................................................................................................................. 15
5Mounting ............................................................................................................................................................... 17
5.1 Requirements for mounting........................................................................................................................................... 17
5.2 Take out the product ..................................................................................................................................................... 18
5.3 Handling the product ..................................................................................................................................................... 18
5.4 Mounting........................................................................................................................................................................ 20
6Electrical connection .............................................................................................................................................. 23
6.1 Overview of the connection area................................................................................................................................... 23
6.2 Connecting additional grounding................................................................................................................................... 24
6.3 AC connection ................................................................................................................................................................ 25
6.4 DC connection ................................................................................................................................................................ 32
6.5 RS485 cable connection ................................................................................................................................................. 39
6.6 Ai-Dongle connection..................................................................................................................................................... 41
7Commissioning....................................................................................................................................................... 44
7.1 Inspection before commissioning .................................................................................................................................. 44
7.2 Commissioning procedure ............................................................................................................................................. 44
8Solplanet app ......................................................................................................................................................... 45
8.1 Brief introduction........................................................................................................................................................... 45
8.2 Download and install ..................................................................................................................................................... 45
8.3 Create an account .......................................................................................................................................................... 45
8.4 Create a plant................................................................................................................................................................. 47
8.5 Setting parameters......................................................................................................................................................... 52
9Decommissioning the product................................................................................................................................ 63
9.1 Disconnecting the inverter from voltage sources .......................................................................................................... 63
9.2 Dismantling the inverter ................................................................................................................................................ 64

10 Technical data ........................................................................................................................................................ 65
10.1 AC/DC ............................................................................................................................................................................. 65
10.2 General data................................................................................................................................................................... 68
10.3 Protective device............................................................................................................................................................ 69
11 Troubleshooting..................................................................................................................................................... 70
12 Maintenance.......................................................................................................................................................... 72
12.1 Cleaning the contacts of the DC switch ......................................................................................................................... 72
12.2 Cleaning air inlet and outlet........................................................................................................................................... 72
12.3 Fan maintenance............................................................................................................................................................ 72
13 Recycling and disposal ........................................................................................................................................... 74
14 EU declaration of conformity ................................................................................................................................. 74
15 Service and warranty ............................................................................................................................................. 74
16 Contact................................................................................................................................................................... 75

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1General information
1.1 About this document
This document describes the mounting, installation, commissioning, configuration, operation, troubleshooting and
decommissioning of the product as well as the operation of the product user interface.
You will find the latest version of this document and further information on the product in PDF format at www.solplanet.net.
It is recommended that this document is stored in an appropriate location and be available at all times.
1.2 Area of the validity
This document is valid for the following models:
ASW75K-LT
ASW80K-LT
ASW100K-LT
ASW110K-LT
1.3 Target group
This document is intended for qualified persons who must perform the tasks exactly as described in this user manual.
All installation work must be performed by appropriately trained and qualified persons. Qualified persons must possess 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 .
Knowledge of all applicable laws, standards and directives.
Knowledge of and compliance with this document and all safety information.

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1.4 Safety warning symbols guide
DANGER
Indicates a hazardous situation which, if not avoided, will result in death or serious injury.
WARNING
Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
CAUTION
Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
NOTE
Indicates a situation which, if not 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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2Safety
2.1 Intended use
The product is a transformerless PV inverter with 10 MPP trackers, which converts the direct current of the PV modules
into grid-compliant alternating current and feeds it into the utility grid.
The product is suitable for indoor and outdoor use.
The product must only be operated with PV modules of protection class II in accordance with IEC 61730, application
class A. The PV modules must be compatible with this product.
The product is not equipped with an integrated transformer and therefore has no galvanic isolation. The product must
not be operated with either grounded DC conductors or PV modules whose outputs are grounded. This can cause the
product to be destroyed. The product may be operated with PV modules whose frame is grounded.
When designing the PV system, ensure that all components remove this word remain within their permitted operating
ranges and their installation requirements at all times.
The product must only be used in countries for which it is approved or released by Solplanet and the grid operator.
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.
The type label must remain permanently attached to the product.
This document does not replace any regional, state, provincial, federal or national laws, regulations or standards that
apply to the installation, electrical safety and use of the product.
2.2 Important safety instructions
The product has been designed and tested in accordance with international safety requirements. As with all electrical or
electronical devices, there are residual risks despite careful construction. To prevent personal injury and property damage and
to ensure long-term operation of the product, read this section carefully and observe all safety information at all times.
DANGER
Danger to life due to high voltages of the PV array！
When exposed to light, the PV modules generate high DC voltage which is present in the DC cables. Touching live DC
cables results in death or lethal injuries due to electric shock.
Do not touch non-insulated parts or cables.
Do not touch the DC conductors.
Do not touch any live components of the product.
Do not open the product.
All work on the product must only be carried out by qualified personnel who have read and fully understood all safety information
contained in this document.
Disconnect the product from voltage sources and ensure it cannot be reconnected before working on the product.
Wear suitable personal protective equipment for all work on the product.

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DANGER
Danger to life due to electric shock when touching live system components in case of a ground
fault !
If a ground fault occurs, parts of the system may still be live. Touching live parts and cables results in death or lethal
injuries due to electric shock.
Disconnect the product from voltage sources and ensure it cannot be reconnected before working on the device.
The DC switch may be operated whilst the inverter is in operation.
Do not touch any parts of the substructure or frame of the PV array.
Do not connect PV strings with ground faults to the product.
WARNING
Danger to life due to electric shock from destruction of the measuring device due to overvoltage !
Overvoltage can damage a measuring device and result in voltage being present in the enclosure of the measuring device.
Touching the live enclosure of the measuring device results in death or lethal injuries due to electric shock.
Only use measuring devices with a DC input voltage range of 1100 Vdc or higher.
WARNING
Risk of burns due to hot enclosure parts！
Some parts of the enclosure can become hot during operation, touching these parts may cause burns.
Only touch the DC switch when the inverter is running.
Do not touch any parts other than the enclosure lid of the product during operation.
WARNING
Risk of injury due to weight of product！
Injuries may result if the product is lifted incorrectly or dropped while being transported or mounted.
Transport and lift the product carefully. Take the weight of the product into account.
Qualified person should wear appropriate personal protective equipment.
NOTE
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.
The country grid code must be set correctly.
If you select a country grid code which is not valid for your country and purpose, it can cause a disturbance in the PV
system and lead to problems with the grid operator. When selecting the country grid code, you must always observe the
locally applicable standards and directives as well as the properties of the PV system (e.g. PV system size, grid-connection
point).
If you are not sure which standards and directives are valid for your country or purpose, contact the grid operator.

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2.3 Symbols on the label
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.
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 may become hot during operation.
Avoid contact during operation.
WEEE designation
Do not dispose of the product together with the household waste but in accordance with the
disposal regulations for electronic waste applicable at the instal
lation 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.
Capacitor discharge
Danger to life due to high voltages in the inverter. Do not touch live parts for 25 minu
- tes after
disconnection from the power sources.
Observe the documentation
Observe all documentation supplied with the product.

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3Unpacking and storage
3.1 Scope of delivery
Check the scope of delivery for completeness and any visible external damage. Contact your supplier if the scope of delivery
is incomplete or damaged.
B C D
E
A
F G H I
J K L
NO.
Name
Quantity
A Inverter 1
B Mounting-bracket 1
C Handle (Optional) 4
D Lifting ring (Optional) 2
E Expansion bolt 4
F Ai-Dongle 1
G RS 485 COM plug 1
H DC connector (pair) 16/20
I M5×12 Screws 2
J M4×9 Screws 6
K M10×20 Bolt 2
L Document package 1
3.2 Product storage
Suitable storage is required if the inverter is not installed immediately:
Store the inverter in the original package.
The storage temperature must be between -30°C to +70°C, and the storage relative humidity must be between 0 and
100%, non-condensing.
The packing with the inverter shall not be tilted or inverted.
The product must be fully inspected and tested by professionals before it can be put into operation, if it has been stored
for six months or more.

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4Inverter overview
4.1 Product description
NO.
Name
Description
1 Mounting ears
Two ears hang the inverter onto the mounting
-bracket.
2
Fan assembly
Maintain and replace the fan.
3
Labels
Warning symbols,
nameplate, and QR code.
4 Bottom handles
Two handles, move the product and hang the inverter onto
the
mounting
-bracket.
5 DC wiring area
DC switches, DC terminals and communication terminals.
6
LED indicator
Indicate the present working state of the
inverter.
7
AC wiring box
Connect the AC side cables.
8 Additional grounding terminal
Two terminals, at least one of them to ground the inverter.
9 Cable inlet
Seal AC cables after installation.

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4.2 Dimensions
4.3 LED indicator
The LED indicator can indicate the operation state of the inverter.
LED indicator
LED state
Description
SOLAR
(White)
Glowing
The white LED is glowing when the product is operating
normally.
Flashing
The white LED is flashing when the product is
self checking
automatically.
OFF
The white LED is off when the product is not feeding
into the
utility grid.
COM
(White)
Pulsing
The white LED is pulsing when the product is communicating
with other
devices e.g. Ai-Dongle. Depending on the data
transfer speed, the white LED pulses fast or slow.
OFF
When the communication is abnormal or there is no data
transmission, the white LED is off.
FAULT
(Red)
Glowing
When the product stops
supplying power to the power grid due
to a fault, the red LED is glowing.
OFF
When the grid fault is cleared, the red LED is off.
Unit: mm

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4.4 Circuit diagram
The circuit diagram of ASW75/80/100/110K-LT is as follows.
4.5 Supported grid types
The grid types supported by Solplanet is TN-S, TN-C,TN-C-S, TT, as shown in the figure below:
For the TT grid structure, the effective value of the voltage between the neutral wire and the ground wire must be less than
20V.
4.6 Interfaces and functions
The product is equipped with the following interfaces and functions:
Ai-Dongle

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The product is equipped with an Ai-Dongle as standard, which provides a user interface for configuring and monitoring the
product. The Ai-Dongle can connect to the Internet via WLAN or the Ethernet cable. If you don't want to use Ai-Dongle, the
Solplanet communication products or the third-party monitor device can be chosen.
RS485 Interface
The inverter may or may not be equipped with two RS485 interfaces. The inverter can communicate with Solplanet
communication products or third party devices via the RS485 interface. For more information regarding third party devices,
please contact the local Solplanet service department.
Modbus RTU and Modbus Sunspec
The inverter contains Modbus RTU and Modbus Sunspec protocols. The Modbus of the supported Solplanet products is
designed for industrial use and allows:
•Remote query of measured values
•Remote setting of operating parameters
•Setpoint specifications for system control
Export active power control
The product is equipped with the export active power limit function, so as to meet the requirements of some national
standards or grid standards for limiting the output power at the grid connection point.
The export active power control solution measures the active power at the point where the customer’s PV plant is connected
to the distribution system (point of grid connection) and then uses this information to control the inverter's active power
output in order to prevent the export active power, to the grid, from exceeding the agreed export power limit.
The smart meter that can be used with inverter product must be approved by Solplanet. For more information about the smart
meter, please contact the local service team.

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Inverter demand response modes (DRED)
The product shall detect and initiate a response to all supported demand response commands according to the standard
AS/NZS 4777.2.
If DRMs support is required, the inverter should be used together with the Ai-Logger. The Dem-
and Response Enabling Device (DRED) can be connected to the DRED port on Ai-Logger via RS485 cable. You can visit the
website (www.solplanet.net) for more information and download the user manual for the Ai-Logger.
Earth fault alarm
This product 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 illuminate. At the same time, the error code 38 will be sent to the Solplanet Cloud. (This function is
only available in Australia and New Zealand).

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4.7 Communication overview
The communication overview with an Ai-dongle：
The communication overview with a LTE Cat-1 stick:
One Ai-dongle or LTE CAT-1 stick can connect with up to five devices:

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The communication overview with Ai-Logger for a large PV plant:

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5Mounting
5.1 Requirements for mounting
DANGER
Danger to life due to fire or explosion！
Despite careful construction, electrical devices can cause fires. This can result in death or serious injury.
Do not mount the product in areas containing highly flammable materials or gases.
Do not mount the inverter in areas where there is a risk of explosion.
The ambient temperature is recommended below 40°C to ensure optimal operation.
A solid support surface must be available (e.g. concrete or masonry). Ensure that the installation surface is solid enough
to bear four times the weight. When mounted on drywall or similar materials, the product emits audible vibrations during
operation which could be perceived as annoying.
The mounting location must be inaccessible to children.
The mounting location should be freely and safely accessible at all times without the need for any auxiliary equipment
(such as scaffolding or lifting platforms). Non-fulfilment of these criteria may restrict servicing.
The mounting location must not be exposed to direct solar irradiation. If the product is exposed to direct solar
irradiation, the exterior plastic parts might age prematurely and overheating might occur. When becoming too hot, the
product reduces its power output to avoid overheating.
Never install the inverter horizontally, or with a forward / backward tilt or even upside down. The horizontal installation
can result in damage to the inverter.

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Maintain the recommended clearances to other inverters or objects.
In case of multiple inverters, ensure the appropriate clearance between the inverters.
The product should be mounted such that the LED indicators can be viewed without difficulty.
The DC switch of the product must always be readily accessible.
5.2 Take out the product
Open the box, install the four handles in sequence, and take out the inverter.
5.3 Handling the product
CAUTION
Risk of injury due to the weight of the product!
Injuries may result if the product is lifted incorrectly or dropped while being transported or mounted.
Transporte e eleve o produto com cuidado. Ter em conta o peso do produto.
Wear suitable personal protective equipment for all work on the product.

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5.3.1 Manual transport
Step 1：
Use the handles on the top and bottom of the enclosure to transport the inverter to the destination.
Screw-in handles are optional. The product can be moved by them.
5.3.2 Hoisting transport
Step 1：
Screw the two lifting rings into the hangers of the inverter.
Step 2：
Lead the sling through the two lifting rings and fasten the tie-down strap.
Step 3：
Use the lifting device to lift the inverter 100mm above the ground, and then pause to check the fastening of
the lifting ring and sling. After confirming that the connection is safe, lift the inverter to the destination.
Step 4：
Remove the lifting ring.

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The lifting rings and the sling are not within the delivery scope.
5.4 Mounting
CAUTION
Damage to cable lines can cause personal injury！
The walls may be covered with power cords or other lines (for example, gas or water).
Make sure that no cables on the wall or inside the wall cavity are damaged when drilling.
Step 1：
Assemble the mounting-bracket by using the connecting bar.
Step 2
：Align the wall mounting bracket horizontally on the wall with the arrow upwards. Mark the position of the
drill holes. Set the wall mounting bracket aside and drill the marked holes with the diameter of 12mm. The
depth of the holes should be about 65 mm. Keep the hammer drill bit perpendicular to the wall to avoid
drilling inclined.