AUXSOL ASN Series User manual

Ningbo AUX Solar Technology Co., Ltd.
INSTALLATION
OPERATION MANUAL
ASN - (6~10) SL
ASN series
Ningbo AUX Solar Technology Co., Ltd.Ningbo AUX Solar Technology Co., Ltd.
No.17 Fenglin Road, Cicheng Town,
Jiangbei District, Ningbo City, Zhejiang Province, China
[email protected]
www.auxsol.com
[phone]

Summary
Applicable products
Applicable staff
Symbol definition
CONTENT
PREFACE
1 OPEN THE CARTON TO CHECK
2 SAFETY PRECAUTIONS
3 INTRODUCTION
3.1 Products Introduction
3.2 Outlook Introduction
3.3 Dimension
3.4 Display description
2.1 General safety
2.2 PV string safety
2.3 Inverter safety
2.4 Personnel requirements
1.1 Inspection before acceptance
1.2 Packing list
1.3 Storage
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1
This document is applicable to the following 5 types of AUX ASN series single-phase on grid inverter:
ASN - 6SL / ASN - 7SL / ASN - 8SL / ASN - 9SL / ASN - 10SL
5.1 Installation requirements
5.2 Installation of inverter
5.3 Electrical connection
4 APPLICATION
5 INSTALLATION
4.1 Application scenario
4.2 Application mode
4.3 Function characteristics
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24
6.1 Check before power-on
6.2 Power on the equipment
6.3 Set inverter parameters via APP
6.4 Power off the equipment
6.5 Equipment removal
6.6 Equipment scrapping
6.7 Trouble shooting
6.8 Regular maintenance
6 EQUIPMENT COMMISSIONING
AND MAINTENANCE
7 TECHNICAL PARAMETER
34
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PREFACE
Summary
Applicable products
This document mainly introduces the installation, electrical connection, adjustment, maintenance and
troubleshooting methods of ASN series single-phase on grid solar inverter. Before installing and using
the inverter, please read this manual carefully to understand the safety information and get familiar with
the functions and characteristics of the inverter. The document may be updated from time to time.
Please obtain the latest version of the information and other product information from the official
website.
Applicable staff
It is only applicable to professionals who are familiar with local regulations and standards and electrical
system, have received professional training and are familiar with the relevant knowledge of the product.
Symbol definition
To better use this manual, the following symbols are used to highlight important information. Please
read the symbols and instructions carefully.
!
!
Danger:
Indicates a highly potential danger that, if not avoided, could result in death or serious
injury to personnel.
Watch out:
Emphasizing and supplementing the content may also provide tips or tricks for
optimizing product usage, which can help you solve a problem or save your time.
Watch out:
Indicates a low level of potential danger that, if not avoided, may result in moderate or
mild injury to personnel.
Warning:
Indicates a moderate potential hazard, which could lead to death or serious injury if not
avoided.

2 3
Inverter
User manual
Quick installation manual
PV terminals (+, -)
Wall-mounting bracket
Hangers
Self tapping screws+bolt expansion
Combination screws
Combination screw
Datalogger
Inspection report
AC wiring terminal
Rubber
DRM connector
CT connector
Current transformer
Meter
Meter current transformer
ASN-6~10SL
ASN-6~10SL
ASN-6~10SL
ASN-6~10SL
ASN-6~10SL
M6*50+Φ10*45
M5×12
M4×12
ASN-6~10SL
30*20*25
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
10 11 12
16
13 14 15
7 8 9
pcs
pcs
pcs
set
pcs
pcs
pcs
pcs
pcs
pcs
pcs
pcs
pcs
pcs
pcs
pcs
pcs
pcs
1
1
1
*
1
2
3
5
1
1
1
1
1
1
1
1
1
1
black
optional
black
black
optional
optional
optional
optional
optional
Before signing for the product, please carefully check the following contents:
1.1 Inspection before acceptance
1.2 Packing list
1 OPEN THE CARTON TO CHECK
!
Watch out:
• The number of PV DC input terminals matches the number of inverter DC input terminals.
• The datalogger and current sensor are provided as optional, please refer to the actual situation.
Check the outer packaging for any damage, such as deformation, holes, cracks, or other signs that
may cause damage to the equipment inside the packaging. If there is any damage, do not open the
packaging and contact your dealer.
Check if the inverter model is correct. If there is any discrepancy, do not open the packaging and
contact your dealer.
Check whether the type and quantity of delivered items are correct, and whether there is any damage
to the appearance. If there is any damage, please contact your dealer.
•
•
•
If the inverter is not put into use immediately, please store it according to the following requirements:
Make sure that the outer packing box is not removed.
Make sure that the storage temperature is always - 40 °C~+70 °C and the storage relative humidity is
always 0~100% without condensation.
Make sure the inverter stacking height and direction are placed according to the label on the packing
box.
Make sure there is no risk of toppling the inverter after stacking.
Regular inspection is required during storage. If the package is damaged due to insect and rat bite,
the packaging materials shall be replaced in time.
The inverter shall be put into use after being stored for a long time and inspected and confirmed by
professionals.
1.3 Storage
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No. Description Model Unit QTY Remark
17 18

4 5
2 SAFETY PRECAUTIONS
2.1 General safety
2.2 PV string safety
!
Watch out:
The inverter has been designed and tested in strict accordance with safety regulations, but as
electrical equipment, the relevant safety instructions must be observed before any operation on the
equipment. Improper operation may lead to serious injury or property damage.
!
Due to product version upgrading or other reasons, the document content will be updated from
time to time. If there is no special agreement, the document content cannot replace the safety
precautions in the product label. All descriptions in this document are for guidance only.
Please read this document carefully for products and precautions before installing the equipment.
Professional and qualified electrical technicians who shall be familiar with the relevant standards
and safety specifications of the project site must carry out all equipment operations.
Insulation tools and personal protective equipment shall be used to ensure personal safety during
inverter operation. Electrostatic gloves, wrist strap and antistatic clothing shall be worn when
contacting with electronic devices to protect the inverter from electrostatic damage.
Equipment damage or personal injury caused by inverter not installed, used or configured in
accordance with the requirements of this document or corresponding user manual is not within
the responsibility scope of equipment manufacturer.
Please use the DC wiring terminals provided with the box to connect the inverter DC cable. If other
types of DC wiring terminals are used, serious consequences may be caused, and the equipment
damage caused thereby is not within the scope of the equipment manufacturer.
The solar array (solar panel) will have DC high voltage.
PV modules used with inverters must have IEC 61730 class A rating or other equivalent standard
class.
Make sure good grounding of component frame and support system.
Do not ground the PV array positive (+) or negative (-) as this may cause serious damage to the
inverter.
Make sure that the DC cables are firmly connected without looseness after connection.
Use a multimeter to measure the positive and negative electrodes of the DC cable. Make sure
that the positive and negative electrodes are correct, no reverse connection occurs and the
voltage is within the allowable range.
Do not connect the same PV string to multiple inverters, or the inverter may be damaged.
In order to reduce the risk of fire, the inverter connected circuit requires an overcurrent protection
device (OCPD). DC OCPD shall be installed according to local requirements. All PV power
supplies and circuit conductors shall have disconnect connections in accordance with NEC
Article 690, Part II.
The safety precautions contained in this document must always be observed when operating the equipment.
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•
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Watch out:
Danger:
Warning:
2.4 Personnel requirements
!
Personnel responsible for installing and maintaining equipment must first undergo strict training,
understand various safety precautions, and master the correct operating methods.
Only qualified professionals or trained personnel are allowed to install, operate, maintain, or
replace equipment or components.
2.3 Inverter safety
Please connect the inverter AC cable with the AC wiring terminals provided with the box. If other
types of AC wiring terminals are used, serious consequences may be caused, and the equipment
damage caused thereby is not within the scope of the equipment manufacturer.
Danger of electric shock. There are no serviceable parts inside the machine. Please do not
disassemble it. Please obtain service from qualified and recognized service technicians.
Make sure that the voltage and frequency of the grid connection access point meet the inverter grid
connection specifications.
It is recommended to add circuit breaker or fuse and other protective devices at the AC side of the
inverter, and the specification of the protective device shall be 1.25 times greater than the
maximum AC output current of the inverter.
The protective ground wire of inverter must be firmly connected to make sure that the impedance
between neutral wire and ground wire is less than 10 Ω.
Copper core cable is recommended for AC output cable.
Identifications on inverter box are as follows:
Danger of high voltage. There is high
voltage when the inverter is operating.
When operating the inverter, make sure the
inverter is powered off.
Time delay discharge. Wait for 5 minutes
after the equipment is powered off until the
equipment is fully discharged.
Please read the product manual carefully
before operating the equipment.
Potential hazards after equipment
operation. Please take protective
measures during operation.
There is high temperature on the inverter
surface, so do not touch it when the
equipment is running, otherwise, it may
cause scald.
Connection point of protective earthing
wire.
CE symbol
The equipment shall not be treated as
domestic garbage. Please treat the
equipment according to local laws and
regulations or send it back to the
equipment manufacturer.
5min
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Danger:
Warning:
Watch out:

6 7
15.6kg 400 × 383 × 177mmASN-(6~10)SL
SizeWeightModel
1
27
4 5
3 6
LED screen
DC switch
PV DC port
DRM port
CT port
AC interface
1
2
3
4
5
6
7
3.4 Display description
3 INTRODUCTION
The AUX ASN series single-phase on grid inverter integrates the energy management system in the PV
system to control and optimize the energy flow, adapt to the requirements of the smart grid and output
the power generated in the PV system to the utility/national grid.
3.1 Products introduction
3.2 Outlook introduction
No. Component Description
Communication
module port
The communication module can be connected via RS485, supporting
optional communication modules such as bluetooth, Wi-Fi and 4G
3.3 Dimension
DescriptionStatus
Indicator
diagram
Bluetooth Map
WiFi map
Light strip
Off
Always on
Off
Always on
On
Digital display tube
Red always on
Yellow flashes
Green always on
Green flashes
400mm
82mm
13.5mm
94mm
105mm 105mm
30mm
176.5mm
177mm
383mm
Indicates the working status of the inverter
Connect PV module with PV wiring connector
Demand response interface (note: applicable to Australian regulations, optional)
External CT current transformer, anti-reflow function (optional)
Connect AC mains supply
Control DC input on or off (warning: this switch does not have breaking
capacity and is prohibited to operate when the machine is running)
Bluetooth not connected
Bluetooth connected
No communication at the communication module port
Normal communication of communication module port
At this time, the central digital area displays the daily PV power generation
Display the specific value of this parameter
Fault mode (corresponding fault code displayed in the central digital area)
Alarm mode
Normal operation mode
Standby mode
At this time, the central digital area displays the real-time grid power
E-day
Pac On

RUN ALARM FAULT
3.4.1 LCD (Optional) 3.4.2 LCD Operation Menu
The LCD screen display module includes a display screen and two touch buttons on the front panel of
the inverter，which shows the following information:
• Inverter operation status and data.
• Alarm messages and fault indications.
You can also get information via WiFi / GPRS.
LCD SCREEN
KEY 2
RED LEDGREEN LED
KEY 1
YELLOW LED 3.4.2.1 Button
The LCD screen display module has two touch buttons.
Touch buttons are as follows:
3.4.2.2 LED display light
LED display light has red, green, yellow three colors.
LED display light display effect is steady on, off and blinking (on 0.5s off 0.5s), as described in the
following table:
Remarks: Priority 1 is the highest, and it decreases in turn.
Button mode
Touch button 1
Touch button 2
Press and hold button 1 for 2s
Press and hold button 2 for 2s
Meaning
UP
DOWN
BACK
ENTER
Device status
Upgrades
Breakdown
Alarm
Power generation
Standby
LED
Red, green and yellow flash alternately.
Red light steady on
Yellow light flashing
Green light steady on
Green light flashing
Priority
1
2
3
4
5
8 9

10
The LCD is located on the front panel of the inverter, which shows the following information:
3.4.3 LCD work menu
During normal operation, the display alternately shows the power and the operation status for 5
seconds. The LCD screens can also be manually scrolled by pressing UP and DOWN buttons. Press
and hold button 2 for 2s gives access to the main menu or press and hold button 1 for 2s calls back to
the previous menu.
The AUX ASN series single-phase inverter main menu provides access to operating data and
information. Select Current Data from the menu to display the information and scroll up or down.
• Inverter operation status and data.
• Alarm messages and fault indications.
SYSTEM
INITIALIZING
3SEC
Main menu
Pressing and hold button 1 for 2s calls back the previous menu or
press and hold button 2 for 2s gives access to the next level menu.
E_Day 25.00kWh
E_Total 500.88kWh
WORK Mode Generate
RT_Power 10.06kW
Current Data
UP / DOWN
or auto - scroll
( 5sec )
There are 7 submenus in the main menu:
• Current Data • History Error • History Elec • System Param
• Contrl Param • Regulation Para • Device Info
3.4.4 Main menu
11
DescriptionDisplayNo.
3.4.5 Current data
History Error
History Elec
System Param
Contrl Param
Regulation Para
Device Info
Display the current operating mode of inverter.
Display grid voltage value
Display the instant output power value
Display grid frequency value
Total Elec on that day
Total Elec
Display PV1 voltage value
Display PV2 voltage value
Display PV1 current value
Display PV2 current value
Mode
Generate
1
2
3
4
5
6
7
8
9
10
GRID VOLT
220.0V
GRID P
4.98KW
GRID FREQ
50.00HZ
E_DAY
25.78KWH
E_TOTAL
8458.57 kWh
PV1 VOLT
250.5V
PV2 VOLT
260.8V
PV1 CUR
10.7A
PV2 CUR
10.5A

4.Time Set
2023/04/24 11:01:03
3.Language
English
2.Regulaon
CQC
1.Comm Addr
1
2022
1323.51kWh
2022-03
223.51kWh
2022-03-05
23.51kWh
2022-03-04 19:33:39
10. IsolaonAlarm
12
3.4.6 History error
13
3.4.8.3 Set language
LCD display shows the latest 31 alarm messages.
Press UP/DOWN to manually scroll through the screen.
Press and hold button 1 for 2s to the previous menu.
Press UP/ DOWN to set the language. Press and hold button 2 for 2s to save the
settings. Press and hold button 1 for 2s to cancel the change and return to the
previous menu.
The default password is"1020".
Please press DOWN to move the cursor and press UP to select the number.
After enter the correct password the main menu will display a screen and be able
to access to the following information:
1. remote control 2. clear His.error 3. restore factory
3.4.8.4 Set time
3.4.9 Contrl param
Set Time Set Year
3.4.7 History elec
3.4.8 System param
1. His Daily Elec
This function is used to view the generated energy on the selected date. Press
UP/DOWN to change the date.
2. His Month Elec
This function is used to view the energy production for the selected month. Press
UP/DOWN to change the month.
3. His Year Elec
This function is used to view the energy production for the selected year. Press
UP/DOWN to change the year.
Select the date of daily generation
3.4.9.1 Remote control
Press UP/DOWN to manually scroll the screen. Press and hold button 2 for 2s to
save the setting. Press and hold button 1 for 2s to return to the previous menu.
This function is used to start or stop AUX single-phase inverter power generation.
Select the month of monthly generation
Select the year of annual energy production
3.4.8.1 Set address
The default address number of AUX ASN series single-phase inverter is "01".
Press the UP/ DOWN buttons to set the address. Press and hold button 2 for 2s
to save the settings. Press and hold button 1 for 2s to cancel the change and
return to the previous menu.
This function is used to set the address when multiple inverters are connected to a single monitor. The address
number can be assigned from "01" to "10".
3.4.8.2 Selecting regulation
Press UP/DOWN to select the regulation.
(CQC,Brazil,EN_50549,IEC61727_50,IEC61727_60,Wide_Range_50,Wide_Ra
nge_60,Spain,Poland).
This function is used to select the reference regulation for the grid.
!
This function is for technical personnel only.
For different countries, grid regulations need to be set differently according to local requirements.
If in doubt, consult your AUX technician.
Below is the setting range for "User-Def".
The following are user-defined setting ranges. With this function the limits can be changed manually.
(CQC,Brazil,EN_50549,IEC61727_50,IEC61727_60,Wide_Range_50,Wide_Range_60,Spain,Pola
nd).
Attention:
!Only fully qualified and approved technicians shall enter the area. Password is required to enter the
menu "Contrl Param". Select "Contrl Param" on the Main Menu.The screen will require the
password:
Attention:
This function allows to set time and date. When this function is selected, the LCD displays the following
<Time Set>
Press UP/ DOWN to set the time and data. Press and hold button 2 for 2s to save the settings and press and
hold button 1 for 2s to return to the previous menu.
Date-Year
2023
Set Month Set Day
Date-Month
4
Date-Day
24
Set Hour Set Minute
Time-Hour
11
Set Second
Time-Minute
1
Time-Second
3
Password
0000
Remote control
Power on

14 15
His Elec Clear?

Press and hold button 2 for 2s to save the setting , Press and hold button 1 for 2s
to return the previous menu.
This function is used to clear the fault record.
3.4.9.2 Clear his.error
The default password is"1020".
Please press DOWN to move the cursor, press UP to select numbers.
When the correct password is entered, the main menu displays an interface to
access the following information:
!Only fully qualified and approved technicians shall enter the area. Password required to enter the
menu "Regulation Para". Select "Regulation Para" to enter the main menu. The password required
on the screen is:
Attention:
3.4.10 Regulation para
3.4.9.3 Restore factory
Press and hold button 2 for 2s to save the setting. Press and hold button 1 for 2s
to return the previous menu.
Restore factory settings to set special settings for all items to default values. The screen shows as below:
Restore?
Cancel arm
Password
0000
DescriptionDisplayNo.
Display the primary over voltage protection value of
power grid
Display the primary over voltage protection time of
power grid
Display the secondary over voltage protection value of
power grid
Display the secondary over voltage protection time of
power grid
1
2
3
4
5
6
7
8
9
10
11
12
13
GridOverVolt_1
110%
GridOverVolt_T1
1000ms
GridOverVolt_2
135%
GridOverVolt_T2
40ms
GridOverVolt_3
135%
GridOverVolt_T3
40ms
GridUnderVolt_1
85%
GridUnderVolt_T1
1000ms
GridUnderVolt_2
50%
GridUnderVolt_T2
80ms
GridUnderVolt_3
20%
GridUnderVolt_T3
40ms
GridOverVFreq_1
50.50HZ
Display the three-level over voltage protection value of
power grid
Display the primary under voltage protection value of
power grid
Display the primary under voltage protection time of
power grid
Display the secondary under voltage protection value
of power grid
Display the secondary under voltage protection time
of power grid
Display the three-level under voltage protection value
of power grid
Display the three-level under voltage protection time
of power grid
Display the primary over-frequency protection value
of power grid
Display the three-level over voltage protection time of
power grid

16 17
DescriptionDisplayNo.
Display the primary over-frequency protection time of
power grid
Display the secondary over-frequency protection value
of power grid
Display the secondary over-frequency protection time
of power grid
Display the three-level over-frequency protection value
of power grid
Display the three-level over-frequency protection time
of power grid
Display the primary under-frequency protection value
of power grid
Display the primary under-frequency protection time of
power grid
Display the secondary under-frequency protection
value of power grid
Display the secondary under-frequency protection
time of power grid
Display the three-level under-frequency protection
value of power grid
Display the three-level under-frequency protection
time of power grid
14
15
16
17
18
19
20
21
22
23
24
25
26
GridOverVFreq_T1
180ms
GridOverVFreq_2
55.00HZ
GridOverVFreq_T2
140ms
GridOverVFreq_3
55.00HZ
GridOverVFreq_T3
140ms
GridUnderFreq_1
47.50HZ
GridUnderFreq_T1
180ms
GridUnderFreq_2
45.00HZ
GridUnderFreq_T2
140ms
GridUnderFreq_3
45.00HZ
GridUnderFreq_T3
20ms
Restart Time
60s
Reconnected Time
60s
Display start time
Display reconnection time

A1259
This screen displays the inverter software version number.
3.4.11 Device info
Press UP/DOWN to manually scroll the screen. Press and hold button 2 for 2s to enter the parameter
modification interface, than press DOWN to move the cursor, press UP to select numbers, press and
hold button 2 for 2s to save the settings, press and hold button 1 for 2s to cancel the change and return
to the previous menu.
3.4.11.1 Software version
2. Rated Power
10 kW
The screen displays the inverter's rated power.
3.4.11.2 Rated power
3.SN Number
ASN-10SL2304460018
The screen shows the SN Number of the inverter.
3.4.11.3 SN number

1918
AC circuit breaker
Current(A)Voltage(Vac)Model
AC GRID
CT
PV systems are not suitable for connecting devices that rely on stable power supply, such as
life-sustaining medical equipment. Please ensure that the power outage of the system does not
cause personal injury.
Avoid using loads with high starting current in the PV system as much as possible, such as
high-power water pump, otherwise, the inverter may be restarted due to excessive instantaneous
power.
When the inverter is protected for a single time, the inverter can be automatically restarted. If it
happens multiple times, the inverter will stop waiting and can be restarted immediately via the App.
4.1 Application scenario
Warning:
•
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•
Power line
Communication or sampling line
PV string assembly
Inverter
AC circuit breaker
AC circuit breaker
CT current transformer
1
2
3
4
5
No. Component Description
PV string consists of PV modules connected in series
ASN series on grid inverter
For protecting household loads
Used for anti-reflow function
Used for inverter and load protection and for interrupting AC supply
during maintenance
4.2 Application mode
4.2.1 Self-use
4.2.2 Full grid connection
4.3.1 Power derating
PV energy suffient:
PV energy shall be preferentially supplied to the load, and the remaining energy shall be sold. As shown
in the figure below, ① and ② represent energy priority.
If no load is required, all energy of the inverter can be supplied to the utility/national grid to realize
full grid connection of power generation.
4.3 Function characteristics
In order to make the inverter operate safely, the inverter will automatically reduce the output power when
the operating environment is not ideal.
The following factors may cause power derating, so please try to avoid them during use.
• Unfavorable environmental conditions such as direct sunlight, high temperatures, etc
• The inverter's output power percentage has been limited by the app or web-end settings
• Variation with grid voltage frequency
• High input voltage
• High input current value
!It is applicable to regions with high electricity cost, low electricity sales revenue and stable power grid.
Watch out:
4 APPLICATION
≥230
≥230
≥230
40
50
63
ASN-6SL
ASN-(7~8)SL
ASN-(9~10)SL

2120
-30°C~60°C
0%~100%RH
IP66
altitude
4000m
5.1.1 Environmental requirements
The protection class of inverter is IP66, which can be installed indoor and outdoor.
Equipment shall not be installed in flammable, explosive and corrosive environment.
The installation position shall be kept away from the accessible range of children and the position easy to be touched.
High temperatures may be present on the surface when the equipment is in operation to prevent burns.
The installation position shall avoid the water pipe and cable in the wall to avoid danger during punching.
The inverter shall avoid salt fog areas and installation environments such as sunshine, rain and snow. It is
recommended to install the inverter in a sheltered installation position. If necessary, a sunshade can be erected.
When installing the inverter, certain space shall be reserved around the inverter to ensure sufficient installation and
heat dissipation space.
Under the installation scenario of multiple inverters, when the space is sufficient, the installation mode of "straight
line" is recommended. When the space is insufficient, it is recommended to install the product in a zig-zag manner.
It is not recommended to install multiple inverters by overlapping.
The installation height of the equipment shall be convenient for operation and maintenance, ensure that the
equipment indicator lights, all labels are easy to see, and the terminal blocks are easy to operate.
The inverter is installed at an altitude lower than the maximum working altitude of 4000m.
Keep away from strong magnetic field environment to avoid electromagnetic interference. If there is a radio station
near the installation location or wireless communication equipment below 30MHz, please install the equipment
according to the following requirements:
Ferrite core with multi-circle winding or low-pass EMI filter at inverter DC input or AC output.
The distance between inverter and wireless electromagnetic interference equipment exceeds 30m.
5 INSTALLATION
5.1 Installation requirements
•
•
•
•
•
•
•
•
•
•
≤15°
Installation carriers must not be flammable and must be fire resistant.
Please make sure that the mounting carrier is solid and reliable and can bear the weight of inverter.
The equipment will vibrate during operation, so do not install it on the carrier with poor sound insulation,
so as to avoid disturbance to residents in the living area caused by the noise generated by the
equipment during operation.
5.1.2 Carrier requirements
Recommended inverter installation angle: vertical or pitching ≤ 15°.
Do not invert, tilt forward, tilt backward beyond the angle and install the inverter horizontally.
5.1.3 Installation angle requirements
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•
•
•
•
≥500mm
≥500mm
≥500 ≥500
≥800mm

22 23
The following installation tools are recommended for installation. Other auxiliary tools can be used on
site if necessary.
5.1.4 Installation tool requirements
Percussion drill Sockets tool box Torque screw
driver Diagonal pliers Wire stripper
Crimping pliers Pressing terminal
crimping plier Hydraulic tongs Wire cutter Multimeter (Vdc range>1000V)
Rubber hammer Vacuum cleaner Tape measure Levelling
instrument Electrician's knife
Heat shrinkable
sleeve Air heater Cable ties Goggles Insulating gloves
Protective gloves Respirator Protective shoes
!
5.2.2 Installation of inverter
105mm
13.5mm
105mm
M5
2.0 N.m
!
Transportation, turnover, installation and other operations must meet the requirements of national
and regional laws and regulations and relevant standards.
Please equip corresponding personnel according to the weight of the equipment to prevent the
equipment from exceeding the weight range that can be handled by human body and damaging
personnel.
Wear safety gloves to avoid injury.
Please make sure that the equipment is balanced during handling to avoid dropping.
5.2.1 Handling inverter
5.2 Installation of inverter
Watch out:
•
•
•
•
When drilling holes, make sure that the drilling position is kept away from water pipes, cables, etc.
in the wall to avoid danger.
Wear goggles and dust mask when punching to avoid dust inhalation into respiratory tract or into
eyes.
Make sure that the inverter is securely installed to prevent injuries from falling.
Watch out:
•
•
•

24 25
!When making electrical connection, please wear safety shoes, protective gloves,
insulating gloves and other personal protective equipment as required.
Only professionals are allowed to carry out operations related to electrical connection.
Specifications of all operation, cables and components used in electrical connection
shall comply with local laws and regulations.
Before electrical connection, please disconnect the DC switch and AC output switch of
inverter to make sure that the equipment is powered off. It is strictly forbidden to
operate with electricity, otherwise, electric shock and other hazards may occur.
Cables of the same type shall be bound together and arranged separately from cables
of different types. It is forbidden to wind or cross cables.
If the cable bears too much tension, it may lead to poor wiring. When wiring, please
reserve a certain length of the cable before connecting to the inverter wiring port.
When crimping the connecting terminal, please make sure that the conductor part of
the cable is fully contacted with the connecting terminal, and do not crimp the cable
insulation skin together with the connecting terminal, otherwise, the equipment may
be unable to operate, or the inverter terminal block may be damaged due to heating
due to unreliable connection after operation.
5.3.1 Safety precautions
5.3 Electrical connection
Danger:
•
•
•
•
•
•
•
Watch out: M4
1.5 N.m
The protective grounding of the crate shell cannot replace the protective grounding
wire of the AC output port. When wiring, ensure that the protective grounding wires
at the two places are reliably connected.
In case of multiple inverters, make sure that the protective earthing point of all
inverter crate enclosures is equipotentially connected.
To improve the corrosion resistance of the terminal, it is recommended to apply
silicone or paint on the external of the grounding terminal for protection after the
connection and installation of the protective ground wire.
Please prepare the protective ground wire, and the recommended specification:
Type: Outdoor single-core copper wire
Conductor sectional area: 4-6mm² ( 12 - 10AWG )
5.3.2 Connecting protective earth wire
•
•
•
•
Warning:
L=L1+(1-2)mm
4-6mm2
L1

2726
7-10 mm 7-10 mm crimping pliers
Click
Click
Make sure PV polarity is right,
PV voltage≤600V
PV string output does not support grounding. Before connecting PV string to inverter,
please make sure that the minimum insulation resistance to ground of PV string meets
the minimum insulation impedance requirements (R=maximum input voltage/30mA).
Make sure that the DC cables are firmly connected without looseness after
connection.
Use a multimeter to measure the positive and negative electrodes of the DC cable and
ensure that the positive and negative electrodes are correct without reverse
connection, and the voltage is within the allowable range.
Do not connect the same PV string to multiple inverters, otherwise the inverter may
be damaged.
Please make sure that the maximum short circuit current and maximum input voltage
of each MPPT are within the allowable range of the inverter.
Please make sure that the positive electrode of the PV string is connected to the PV
port + of the inverter, and the negative electrode of the PV string is connected to the
PV port - of the inverter.
Please prepare your own PV input cable. Recommended specification:
Type: Outdoor PV multi-core copper wire
conductor cross-section：4-6mm² ( 12 - 10AWG )
Outer diameter of conductor insulation layer: φ3~7mm
5.3.3 Connect PV input cable
Danger:
•
•
•
•
•
•
•
Warning:
Click

In order to ensure that the inverter and the grid can be safely disconnected from the grid in case of
abnormal conditions, please connect the AC switch on the AC side of the inverter. Multiple
inverters cannot be connected to one AC switch at the same time. Please select proper AC switch
according to local regulations.
Please prepare your own PV input cable. Recommended specification:
Type: Outdoor AC single-core copper wire
If multi-core copper wire is selected, supporting crimping terminal shall be used for assembly. It is
forbidden to directly press multi-core copper wire into the connector.
28 29
Wire gaugeModel Conductor
cross-section
ASN-6SL
ASN-(7~10)SL
10AWG
8AWG
5.26mm²
8.37mm²
5.3.4 Connecting AC cable
Residual current monitoring unit (RCMU) is integrated in the inverter, and the inverter will quickly
disconnect from the utility/national grid when detecting leakage current greater than the allowable
value.
When wiring, the AC cable shall be completely matched with the "L", "N" and grounding port of
the AC terminal. If the cable connection is wrong, the equipment will be damaged.
Make sure that the core is completely inserted into the terminal hole without exposure.
Make sure that the cable connection is tight, otherwise the equipment might be damaged due to
overheating of terminal blocks when the equipment is operating.
Danger:
•
•
•
•
•
•
•
•
Warning:
abcde
1
ab
c/d
e
2
3
1
1
0.6-0.8 N.m
Note:
1. Single core wire, no terminal pressing operation required.
2. For multi-core wires, cold-pressed terminal crimping pliers shall be used for crimping terminals.
AC GRID
Click
7-9mm
20-25mm
:10-14mm :10-14mm
7-9mm
20-25mm

30 31
5.3.5 CT Anti-reflow (optional)
!
When connecting signal cables, the cable route shall avoid interference sources, power cables,
etc. to avoid affecting signal reception.
CT is shipped with inverter and relevant parameters have been preset before delivery. Please do
not modify relevant parameters of CT.
Please connect CT according to the current direction, and the inverter cannot work properly if it is
in reverse direction.
The length of CT cable provided with inverter is 5m. Please install CT properly according to the
actual situation.
Use CT current sensor to control the inverter's power generation to the grid. Install the current
sensor on the L-wire of the power grid, ensure the direction of the current sensor from the L-wire
of the power grid to the home, insert the terminal into the CT port of the inverter and tighten the
terminal. Connect the black wire with "-" of the CT connector, while connect the black and white
wire with "+".
Watch out:
•
•
•
•
•
2-Pin connector
Pre-made cable in CT package
CT Arrow ← Grid
INV L
INV N
INV PE
Grid L
Grid N
Grid PE
Load
L N PE
5.3.6 Smart meter (optional)
!
When connecting communication cables, please ensure that the definition of the
wiring port matches the device perfectly, and the cable routing should avoid
interference sources, power cables, etc. to avoid affecting signal reception.
The electrical meter and CT are shipped with the inverter, and the relevant
parameters have been preset at the factory. Please do not modify the relevant
parameters of the electricity meter and CT.
Each inverter needs to be connected to a separate meter. Do not connect multiple
inverters to the same electrical meter.
To ensure the normal use of the electricity meter and CT, please ensure the following:
Please ensure that the CT is matched and connected to the phase cable, and the CT
is connected to the L-cable.
Please connect the CT according to the direction of the meter. If it is reversed, a CT
reverse fault will be reported.
The length of the CT cable provided with the inverter is 3m or 5m. Please install the
electricity meter and CT according to the actual situation.
Please provide your own communication cable for the electrical meter, and it is
recommended to use T568B standard network cables of Class 5 or higher standards.
The communication cable connecting the meter and inverter supports a maximum of
100m. Install the current sensor on L line of the power grid, ensure the direction of the
current sensor from the L-line of the power grid to the home, insert the terminal into
the CT port of the inverter and tighten the terminal.
Install the CT black cable to screen "2" of the meter, and install the CT white cable to
screen "1" of the meter.
Connect screen “10” of the meter with CT connector "L", and connect position "9" of
the meter screen with CT connector "N".
Connect postion “8” of the meter screen with CT conncetor “PE”. Connector postion
“4” of the meter screen to the L-line of the power grid, and connector postion “3” of the
meter screen to the N-line of the power grid.
Watch out:
•
•
•
•
•
•
•
•

32 33
5.3.7 DRM Control (optional)
!
When connecting communication cables, please ensure that the definition of the wiring port
matches the device perfectly, and the cable routing should avoid interference sources, power
cables, etc. to avoid affecting signal reception.
Please provide your own RJ45 registered jack. It is recommended to use T568B standard super
five and above standard network cables.
The communication cable from DRM to inverter can be connected to the standard RJ45
registered jack, and the ports are defined as follows:
Watch out:
•
•
•
5.3.8 Datalogger connection (optional)
!Watch out:
See the official website for details of datalogger.
DRM 1/5
DRM 2/6
DRM 3/7
DRM 4/8
1
2
3
4
Pin Function Pin Function
5
6
7
8
REF
Com/DRM0
V+
V-
1 2 3 4 5 6 7 8
≤100m
Inverter
Smart
meter
Home electrical meter
Utility/
National grid
:Communication or sampling line
:Power line
Connecting
Smart meter When not connected, tighten
the waterproof interface

34 35
6 EQUIPMENT COMMISSIONING
AND MAINTENANCE
6.1 Check before power-on
Installation of inverter
Cable arrangement
Datalogger
Identifying
Switch
Cable connection
Circuit breaker
1
2
3
4
5
6
7
8
9
Items Checking items Standard
The inverter shall be installed correctly, firmly and reliably
Cables shall be reasonably arranged and well protected, without damage
The data logger shall be installed correctly, firmly and reliably
" DC SWITCH "and all switches connected to the inverter are" OFF "
Unused terminals and interfaces are protected with waterproof covers
Reasonable selection of AC and DC circuit breakers
Unused terminals
and interfaces
The safety signs and warning labels on the inverter are not blocked or
damaged
The AC output cable, DC input cable and grounding wire are connected
correctly, firmly and reliably
Environmental
requirements
Reasonable installation space, clean and tidy environment,
no construction remains
At the AC switch between the inverter and the power grid, measure the voltage at the power
grid side with a multi-meter, and confirm that the power grid voltage is at the working power of
the inverter allowable pressure range.
Close the AC switch between inverter and utility/national grid.
Set "DC SWITCH" on the inverter to "ON".
Observe the inverter LED indicator and check the inverter operation status.
6.2 Power on the equipment
Step 1:
Step 2:
Step 3:
Step 4:
Scan the QR code below to download the AUXSOL application or log in following website to download this application：
https://www.auxsolcloud.com
6.3 Set inverter parameters via APP
!
Watch out:
To ensure that the inverter works properly, please use the AUXSOL application program to complete
the inverter parameter setting.
!
Watch out:
Please also obtain the operating instructions of the communication rod from the official website, to
set the contents more consistent with the application scenario.
6.4 Power off the equipment
When operating and maintaining the inverter, please turn off the inverter for treatment. Live
operation of the equipment may cause damage to the inverter or electric shock.
After the inverter is powered off, it will take a certain amount of time for internal components to
discharge. Please wait until the equipment is fully discharged according to the required label time
requirements.
Disconnect the AC switch between the inverter and the utility/national grid.
At the AC switch between the inverter and the utility/national grid, measure the voltage on the
power grid side with a multi-meter to confirm that the power has been cut off.
Observe the inverter LED indicator, check the inverter operation status, and confirm to enter
standby.
Set "DC SWITCH" on inverter to "OFF".
Step 1:
Step 2:
Step 3:
Step 4:
Danger:
•
•