BPS-V01-03.6 - Solar panel BLAUPUNKT - Free user manual and instructions
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| Product Type | Portable Solar Panel |
| Brand | Blaupunkt |
| Model | BPS-V01-03.6 |
| Power Output (Max) | 100W |
| Voltage (Open Circuit) | 21.6V |
| Voltage (Operating) | 18V |
| Current (Short Circuit) | 5.5A |
| Cell Type | Monocrystalline Silicon |
| Number of Cells | 36 |
| Dimensions (Folded) | 53 x 43 x 2.5 cm |
| Dimensions (Unfolded) | 106 x 43 x 1.2 cm |
| Weight | 3.2 kg |
| Connector Type | MC4 (with adapter for 8mm/Anderson) |
| Waterproof Rating | IP65 |
| Operating Temperature | -10°C to 60°C |
| Applications | Camping, RV, Off-grid systems, Emergency power |
| Maintenance | Clean surface with soft damp cloth; avoid abrasive chemicals |
| Safety Precautions | Do not short circuit; use appropriate charge controller; avoid shading |
| Spare Parts Availability | Contact Blaupunkt service center for cables and connectors |
| General Information | Warranty: 2 years; CE and RoHS certified |
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USER MANUAL BPS-V01-03.6 BLAUPUNKT
GRID-TIED PV STRING INVERTER
BPT-V03-12
BPT-V03-15
USER MANUAL

2. SAFETY WARNINGS AND INSTRUCTIONS
2.1 SAFETY SIGNS 2.2 SAFETY INSTRUCTIONS 2.3 NOTES FOR USING
4. PRODUCT INSTALLATION
4.1 SELECT INSTALLATION LOCATION 4.2 INVERTER INSTALLATION
5. ELECTRICAL CONNECTION
5.1 DC INPUT TERMINAL CONNECTION 5.2 AC INPUT TERMINAL CONNECTION 5.3 THE CONNECTION OF THE GROUND LINE 5.4 MAX. OVER CURRENT PROTECTION DEVICE 5.5 INVERTER MONITORING CONNECTION 5.6 INSTALLATION OF DATALOGGER 5.7 CONFIGURATION OF DATALOGGER
6. STARTUP AND SHUTDOWN
6.1 START UP THE INVERTER 6.2 INVERTER SHUTDOWN
7. ZERO EXPORT FUNCTION VIA SUN LIMITER
7.1 SUN LIMITER FUNCTION WIRING DIAGRAM 7.2 CONNECT THE SUN LIMITER TO INVERTER 7.3 USE OF ZERO EXPORT FUNCTION 7.4 ZERO-EXPORT FUNCTION (OPTION) 7.5 NOTES WHILE USING ZERO EXPORT FUNCTION 7.6 HOW TO BROWSE THE LOAD POWER OF YOUR PV GRID-TIE PLANT ON MONITORING PLATFORM?
The manual mainly describes the product information, guidelines for installation, operation and maintenance. The manual cannot include complete information about the photovoltaic (PV) system.
HOW TO USE THIS MANUAL
Read the manual and other related documents before performing any operation on the inverter. Documents must be stored carefully and be available at all times. Contents may be periodically updated or revised due to product development. The information in this manual is subject to change without notice.
PHOTOVOLTAIC GRID-CONNECTED SYSTEM![graph LR A["PV array"] --> B["Inverter"] B --> C["Family load"] C --> D["Metering"] D --> E["Power grid"]](/content/2026/06/1354817/images/2ebcf21fa55bf2dbd32f4d54d21cb39571552d6dfedcae4cbaec8684ef35871a.jpg)
Application of inverter in photovoltaic power system
1. INTRODUCTION
1.1 APPEARANCE INTRODUCTION
On-grid inverter can convert solar panel DC power into AC power which can directly input to the grid. Its appearance is shown below. These models contain BPT-V03-12, BPT-V03-15. The following is collectively referred to as 'inverter'.

Pic 1.1 Front view

Pic 1.2 Bottom view
1.2 PARTS LIST
Please check the following table, to see whether all the parts are included in the package:












2. SAFETY WARNINGS AND INSTRUCTIONS
Improper use may result in potential electric shock hazards or burns. This manual contains important instructions that should be followed during installation and maintenance. Please read these instructions carefully before use and keep them for future reference.
2.1 SAFETY SIGNS
Safety symbols used in this manual, which highlight potential safety risks and important safety information, are listed as follows:

Warning:
Warning symbol indicates important safety instructions, which if not correctly followed, could result in serious injury or death.

Shock Hazard:
Caution, risk of electric shock symbol indicates important safety instructions, which if not correctly followed, could result in electric shock.

Safety Hint:
Note symbol indicates important safety instructions, which if not correctly followed, could result in some damage or the destruction of the inverter.

High Temperature Hazard:
Caution, hot surface symbol indicates safety instructions, which if not correctly followed, could result in burns.
2.2 SAFETY INSTRUCTIONS

Warning:
Electrical installation of the inverter must conform to the safety operation rules of the country or local area.

Warning:
Inverter adopts non-isolated topology structure, hence must insure DC input and AC output are electrical isolated before operating the inverter.
Strictly prohibit grounding the positive and negative poles of the PV string. Otherwise it will damage the inverter.

Shock Hazard:
Prohibit disassembling the inverter case. There is a shock hazard, which may cause serious injury or death. Please ask a qualified person to repair.

Shock Hazard:
When the PV module is exposed to sunlight, the output will generate DC voltage. Prohibit touching to avoid shock hazard.

Shock Hazard:
While disconnecting the input and output of the inverter for maintenance, please wait for at least 5 minutes until the inverter discharges the remnant electricity.

High Temperature Hazard:
The local temperature of the inverter may exceed 80°C while under operating. Please do not touch the inverter case.
2.3 NOTES FOR USING
The three-phase string power inverter is designed and tested under related safety regulations. It can ensure the personal safety of the user. But as an electric device, it may cause shock or injury by incorrect operation. Please operate the unit under the below requirements:
- The inverter should be installed and maintained by qualified personnel under local standard regulations.
- Must disconnect the AC side first, then disconnect the DC side while doing installation and maintenance. After that, please wait at least 5 minutes to avoid getting shocked.
- The local temperature of the inverter may exceed 80°C while under operating. Do not touch to avoid getting injured.
- All electrical installation must be in accordance with local electrical standards, and after obtaining the permission of the local power supply department, the professionals can connect the inverter to the grid.
- Please take appropriate anti-static measures.
- Please install where children cannot touch.
- When starting the inverters, first close the circuit breaker on the grid side, then close the DC side; when shutting down the inverters, first disconnect the circuit breaker on the AC side, then disconnect the DC side.
- Do not insert or remove AC and DC terminals while the inverter is in normal operation.
- The DC input voltage of the inverter must not exceed the maximum value specified for the model.
Figure 3.1 Front panel display
3.2 STATUS INDICATOR
There are four LED status indicator lights on the front panel of the inverter. See Table 3.1 for details.
| Indicator | status | Explanation |
![]() | on | Inverter detects DC input |
| off | Low DC input voltage | |
![]() | on | Grid Connected |
| off | Grid Unavailable | |
| NORMAL | on | Under normal operating |
| off | Stop operating | |
| Observed | on | Detected faults or report faults |
| off | Under normal operating |
Table 3.1 Status indicator lights
3.3 BUTTONS
There are four keys on the front panel of the inverter (from left to right): Esc, Up, Down, and Enter keys. The keypad is used for:
- Scrolling through the displayed options (using the Up and Down keys);
- Accessing and modifying the adjustable settings (using the Esc and Enter keys).

Esc

UpDownEnter


3.4 LCD DISPLAY
The two-line Liquid Crystal Display (LCD) is located on the front panel of the inverter, which shows the following information:
- Inverter operation status and data; • Service messages for operator;
- Alarm messages and fault indications.
4. PRODUCT INSTALLATION
4.1 SELECT INSTALLATION LOCATION
To select a location for the inverter, the following criteria should be considered:
WARNING: Risk of fire
- Do not install the inverter in areas containing highly flammable materials or gases.
- Do not install the inverter in potentially explosive atmospheres.
- Do not install in small closed spaces where air can not circulate freely. To avoid overheating, always make sure the flow of air around the inverter is not blocked.
- Exposure to direct sunlight will increase the operational temperature of the inverter and may cause output power limiting. It is recommended that inverter installed to avoid direct sunlight or raining.
- To avoid overheating ambient air temperature must be considered when choosing the inverter installation location. It is recommended that using a sun shade minimizing direct sunlight when the ambient air temperature around the unit exceeds 100° F/40 C.

×

×

×

√


Pic 4.1 Recommended installation place
• Install on a wall or strong structure capable of bearing the weight. - Install vertically with a maximum incline of ±15°. If the mounted inverter is tilted to an angle greater than the maximum noted, heat dissipation can be inhibited, and may result in less than expected output power. - If installing more than one inverter, leave at least 500mm gap between each inverter. And each inverter must be at least 500mm above and below. And must install the inverter at a place where children cannot touch. Please see picture 4.3. - Consider whether the installation environment is helpful to see the inverter LCD display and indicator status clearly. - Must provide a ventilated environment if inverter is installed in an airtight house.

Safety Hint:
Do not place or store any items next to the inverter.









Pic 4.2 Installation Angle

Pic 4.3 Installation Gap
4.2 INVERTER INSTALLATION
The inverter is designed for wall-mounted installation. Please use the wall-mounted (brick wall with expansion bolts) when installing.

Pic 4.4 Inverter Installation
PROCEDURE SHOWN BELOW:
- Locate the appropriate wall according to the bolt positions on the mounting bracket, then mark the holes. On brick walls, the installation must be suitable for expansion bolt installation.

Pic 4.5 Inverter hanging plate installation
- Ensure that the positions of the installation holes on the wall are in accordance with the mounting plate, and the mounting rack is horizontally placed.
- Hang the inverter onto the top of the mounting rack, then use the M4 screw from the accessory to lock the inverter heat sink to the hanging plate, to ensure that the inverter will not move.

Pic 4.6 Inverter installation
5. ELECTRICAL CONNECTION
5.1. DC INPUT TERMINAL CONNECTION
- Switch the Grid Supply Main Switch (AC) OFF.
- Switch the DC Isolator OFF.
- Assemble PV input connector to the inverter.

Safety Hint:
Please don't connect PV array positive or negative pole to the ground, it could cause serious damages to the inverter.

Safety Hint:
Before connection, please make sure the polarity of the output voltage of PV array matches the "DC+" and "DC-" symbols.

Safety Hint:
Before connecting inverter, please make sure the PV array open circuit voltage is within the 1000V of the inverter.

Pic 5.1 DC+ connector (MC4)

Pic 5.2 DC- connector (MC4)

Safety Hint:
Please use approved DC cable for PV system.
| Cable type | Cross section (mm2) | |
| Range | Recommended value | |
| Industry generic PV cable (model: PV1-F) | 4.0~6.0(12~10AWG) | 4.0(12AWG) |
Table 5.1 DC Cable Specifications
The steps to assemble the DC connectors are listed as follows:
a) Strip off the DC wire about 7mm, disassemble the connector cap nut (see picture 5.3).

Pic 5.3 Disassemble the connector cap nut
b) Crimping metal terminals with crimping pliers as shown in picture 5.4.

Pic 5.4 Crimp the contact pin to the wire
c) Insert the contact pin to the top part of the connector and screw up the cap nut to the top part of the connector. (as shown in picture 5.5).

Pic 5.5 connector with cap nut screwed on
d) Finally insert the DC connector into the positive and negative input of the inverter, shown as picture 5.6

Pic 5.6 DC input connection

Warning:
Sunlight shines on the panel will generate voltage, high voltage in series may cause danger to life. Therefore, before connecting the DC input line, the solar panel needs to be blocked by the opaque material and the DC switch should be 'OFF', otherwise, the high voltage of the inverter may lead to life-threatening conditions.
5.2 AC INPUT TERMINAL CONNECTION
Do not close the DC switch after the DC terminal is connected. Connect the AC terminal to the AC side of the inverter, the AC side is equipped with Three phase AC terminals that can be conveniently connected. Flexible cords are recommended for easy installation. The specifications are as shown in Table 5.2.

Warning:
Prohibit using a single circuit breaker for multiple inverters, prohibit the connection of load between inverter circuit breakers.
| Cable CSAModel Cable outer dia AWG Breaker Max cable length | ||||
| BPT-V03-12-15 | 2 | 106mm20-25mm | Outside cable(3+N+PE)20m | |
Table 5.2 Cable information
The AC output connector is divided into three parts: matching socket, sleeve and sealingsleeve, as shown in picture 5.7, the steps are as follows:
Step 1: Remove the cable sealing ring and sleeve in sequence from the AC connector.
Step 2: Use strippers to strip the protective sheath and insulation layer of the AC cable to the right length, as shown in Picture 5.8.
1
2
3
4
- Matching socket
2.Sleeve
3.Sealing core
4.Sealing nut
Pic 5.7 AC connector structure
Step 3: Insert the cable (L1, L2, L3, N, PE) into the sealing sleeve.


Pic 5.8 Strip AC cable

Warning:
Be careful to distinguish the L1, L2, L3, N and PE of the AC cables.
Step 4: Use the hexagon screwdriver, loosen the bolts of the socket in turn, and insert each cable core into the corresponding jack, and set each screw. The connection hole of AC connection terminal labeling is shown in Picture 5.9.

Pic 5.9 AC Connector Hole Pattern
Step 5: Set the sleeve and sealing ring in place.
Step 6: Connect the terminals to the inverter as shown in picture 5.10.

Pic 5.10 AC input connection
5.3 THE CONNECTION OF THE GROUND LINE
Good grounding is good for resisting surge voltage shock and improving EMI performance. Therefore, before connecting AC, DC and communication cables, you need to ground the cable firstly. For a single system, just ground the PE cable. For multiple machine systems, all PE cables of the inverter need to be connected to the same grounding copper platoon to ensure the equipotential connection. The installation of the shell ground wire is shown as picture 5.11.

Pic 5.11 The installation of the shell ground wire

Warning:
Inverter has built-in leakage current detection circuit, If an external leakage current protection device is connected, its operating current must be greater than 300 mA or higher, otherwise inverter may not work properly.
5.4 MAX. OVER CURRENT PROTECTION DEVICE
To protect the inverter AC connection, it is recommended to install a circuit breaker to prevent overcurrent. See Table 5.3 below.
| Inverter | Rated output voltage(V) | Rated output current(A) | Current for protection device(A) |
| BPT-V03-12 23 | 0 30 | 17.4 | |
| BPT-V03-15 23 | 0 30 | 21.8 |
Table 5.3 Recommended current protector specifications
5.5 INVERTER MONITORING CONNECTION
The inverter has wireless remote monitoring capability. The inverter with Wi-Fi function is equipped with a Wi-Fi Plug to connect the inverter to the network. The operation, installation, internet access, APP downloading, and other processes for the Wi-Fi Plug are detailed in the instructions.
![graph TD A["GPRS"] --> B["Router"] C["WIFI"] --> B B --> D["Internet"] E["Phone"] <--> D F["PC"] <--> D D <--> G["Web Server"]](/content/2026/06/1354817/images/ff869072733d7e499cf54d1308b5d0f37a881e65519946964fa195cd7461ee41.jpg)
5.6 INSTALLATION OF DATALOGGER
When the inverter leaves the factory, the installation location of the datalogger is sealed by a sealing plate as shown in Picture 5.13. When installing the datalogger, remove the sealing plate, replace it with the sealing plate with a square hole from the accessories, and tighten the screws. Insert the datalogger into the interface and fix it with a screw. The configuration of the datalogger needs to be performed after all electrical connections have been completed and the inverter is powered on via DC. When the inverter is on DC power, it is determined whether the datalogger is normally powered (the LED light shines through the shell).

5.7 CONFIGURATION OF DATALOGGER
For the configuration of the datalogger, please refer to the illustrations of the datalogger.
6. STARTUP AND SHUTDOWN
Before starting the inverter, make sure that the inverter meets the following conditions; otherwise, it may result in fire or damage to the inverter. In this case, we do not undertake any responsibility. At the same time, to optimize the system configuration, it is recommended that the two inputs be connected to the same number of photovoltaic modules.
a) The maximum open-circuit voltage of each set of photovoltaic modules shall not exceed 1000 Vdc under any conditions. b) Each input of the inverter should use the same type of photovoltaic module in series. c) The total output power of the PV shall not exceed the maximum input power of the inverter, and each photovoltaic module shall not exceed the rated power of each channel.
6.1 START UP THE INVERTER
When starting up the three-phase string inverter, follow the steps below:
- First, switch on the AC breaker.
- Turn on the DC switch of the photovoltaic module, and if the panel provides sufficient starting voltage and power, the inverter will start.
- When the AC voltage and DC voltage are normal, the inverter start-up is ready to begin. The inverter will first check the internal parameters and the grid parameters, while the liquid crystal will show that the inverter is self-checking.
- If the parameter is within acceptable range, the inverter will generate energy. The NORMAL indicator light is on.
6.2 INVERTER SHUTDOWN
Must follow the below steps while shutting down the inverter:
- Switch off the AC breaker.
- Wait for 30 seconds, turn off the DC switch (if any), or simply disconnect the DC input connector. The inverter will close the LCD and all LEDs within two minutes.
7. ZERO EXPORT FUNCTION VIA SUN LIMITER
The inverter has an external zero export function. This function is optional. It can collect counter-current power to control the output power of the inverter, so that the power of the inverter and load can be offset, and the excess power will not be fed back to the grid. If you purchase the inverter with zero export function, an external zero export device (SUN limiter or energy meter) will be included in the package which is necessary for the function. The SUN limiter is shown in Pic 7.1. You can see the corresponding line mark next to the green interface. The green terminals on the left are the interface of three-phase AC line (L1, L2, L3) and N Line (N), and the right are the interface between three sets of current sensors and one set of control terminals. The SUN limiter will collect voltage and current from these interfaces and send control signals to the inverter.

Pic 7.1 SUN Limiter view
7.1 SUN LIMITER FUNCTION WIRING DIAGRAM
When you are reading this, we believe that you have completed the connection according to the requirements of chapter 5. If you have been running your inverter, and you want to use the limiter function, please turn off the AC and DC switches of the inverter, and wait for 5 minutes until the inverter is completely discharged. In order to make it easier for you to use the limiter function, we have specifically given the wiring diagram, as shown in Picture 7.2. The yellow/green/red live lines (L1, L2, L3) are connected to the utility grid live lines (U/V/W), and the blue line means the neutral line.
We recommend installing an AC switch between the inverter outlet and the utility grid. The specs of the AC switch are determined by the load capacity. The AC switch we recommend to connect to the inverter output refers to Table 5.2.
![graph TD A["Solar panels"] --> B["Control signal"] C["Solar panels"] --> D["Control signal"] B --> E["Limiter"] D --> E E --> F["Distribution Box"] F --> G["Load"] H["L1(L)"] --> F I["L1(K)"] --> F J["L2(L)"] --> F K["L2(K)"] --> F L["L3(L)"] --> F M["L3(K)"] --> F N["L1"] --> F O["L2"] --> F P["L3"…](/content/2026/06/1354817/images/d84d2e59925a0b40bf0bf5370026684960178a1e1afaf74154c09e66f3feb846.jpg)
7.2 CONNECT THE SUN LIMITER TO INVERTER
The SUN limiter will measure the voltage and current of three phases separately, and this manual only introduces the installation steps of one phase; the other two phases are the same. The specific installation steps are as follows:
1) Connect the SUN limiter to the grid. Connecting to the grid is to measure the grid voltage. Before connecting to the grid, please turn off the switch to avoid the risk of electric shock. Choose one wire from the bottom of the three-phase DC switch (any phase of U, V, W) to connect with the L1 terminal, then tighten the wire with a screwdriver. 2) Connect the SUN limiter to the clamp sensor. The clamp sensor can measure the current on the AC side; it should be connected to the front side of the load (domestic appliances, etc.) to achieve this function. Only when the SUN limiter collects the voltage and current of the same phase can it judge the power of that phase. So the clamp sensor should be connected to the same phase as before. Open the side buckle of the clamp sensor, then clamp the sensor to the AC line on the DC switch. The arrow direction on the sensor should point towards the load. The clamp sensor has two lines (shown below): the white line corresponds to the K terminal, and the black line corresponds to the L terminal. Connect the white line to the L1(L) and L1(K) terminals according to the line markings on the SUN limiter, and tighten the wires with a screwdriver. This completes the installation process for one phase.

Pic 7.3 Clamp Sensor

Pic 7.4 Clamp Sensor internal arrow
3) After you finish the installation in steps 1 and 2, connect the N line (N) to the N terminal of the limiter and tighten the wire. 4) Connect the control line. There are two numbers, 1 and 2, on the interface of the SUN limiter, and the same on the waterproof terminal of the inverter. Twist the waterproof terminal and connect the red line to number 1 and the black line to number 2, as shown in the picture. After that, connect the terminal to the interface of the SUN limiter. The other side of the line should be connected to the control terminal.


Pic 7.5 Waterproof terminal Pic 7.6 Connect limiter to inverter

Pic 7.7 Connect terminal to inverter
7.3 USE OF ZERO EXPORT FUNCTION
When the connection is completed, the following steps should be referenced to use this function:
- Turn on the AC switch.
- Turn on the DC switch, waiting for the inverter LCD to light up.
- Press the Enter button on the LCD panel in the main interface to enter the menu options. Select [parameter setting] to enter the setup submenu, and then select [running parameters] as shown in figure 7.8. At this time, please input the default password 1234 by pressing the buttons [up, down, confirm] to enter the operation parameter setting interface, as shown in the figure:

Pic 7.8 Parameter setting

Pic 7.9 Limit switch
- Operate the [up/down] button to move the setting cursor to the limit function and press the [enter] button. At this time, you can turn the limit function on or off by choosing the [up/down] button. Press the [enter] button to confirm when the setting is done.
- Move the cursor to [confirm], press ENTER to save the settings and exit the running parameters page; otherwise, the settings are invalid.
- If set up successfully, you can return to the menu interface and display the LCD to [home page] by pressing the [up/down] button. If it displays as [utility power], the limiter function settings will be completed, as shown in picture 7.10.
:Fun_GFDI OFF
Limiter ON
Utility Power:
20W
* This item is not available for some FW versions.
Pic 7.10 Limiter function turn on
- [utility power] showing positive means grid power is consuming energy, and there is no backflow. If [utility power] shows negative, it means there's excess PV energy flowing to the grid or the current transformer arrow direction is in the wrong direction. Please read more in chapter 7.9.
- After proper connection is done, wait for the inverter to start. If the power of the PV array meets the current power consumption, the inverter will maintain a certain output to counteract the power of the grid without backflow.
7.4 ZERO-EXPORT FUNCTION (OPTION)
The string inverter supports the zero-export function via Energy meter / SUN-Limiter. Based on continuous data communication, once the Limiter or energy meter detects power export to the grid, it will send the information to the inverter, and then the inverter will ramp down its active power to match the load demand and achieve zero export. The zero-export function is optional. If you buy the inverter with the zero-export function via energy meter, the energy meter will be included in the package, which is necessary for the zero-export function.
7.4.1 ZERO-EXPORT FUNCTION VIA ENERGY METER
When you are reading this, we believe that you have completed the connection according to the requirements of chapter 5. If you have been running your inverter at this time and you want to use the zero-export function, please turn off the AC and DC switches of the inverter and wait for 5 minutes until the inverter is completely discharged. Please follow picture 7.11 below to connect the energy meter.
For system wiring diagram, the red line refers to L line (L1, L2, L3), the black line refers to the neutral line (N). Connect the energy meter RS485 cable to the inverter's RS485 port. It is recommended to install an AC switch between the inverter and the utility grid; the specs of the AC switch are determined by the power of the load. If there is no integrated DC switch inside the inverter you purchased, we recommend you to connect a DC switch. The voltage and current of the switch depend on the PV array you access.

RS 485![graph TD A["1"] --> B["L1"] C["2"] --> D["L2"] E["3"] --> F["L3"] G["4"] --> H["N"] style A fill:#f9f,stroke:#333 style C fill:#f9f,stroke:#333 style E fill:#f9f,stroke:#333 style G fill:#f9f,stroke:#333 style B fill:#ccf,stroke:#333 style D fill:#ccf,stroke:#333 style F fill:#ccf,stroke:#333 style…](/content/2026/06/1354817/images/c22dfb512627af69addb49eb403baccb8b24cf394a69c5d754f3c4d3ba9885fa.jpg)


Pic 7.11 Eastron meter
SDM630-M
![graph TD A["Solar Panel array Inverter"] --> B["AC Breaker"] B --> C["RS 485 Male connector"] C --> D["VCC_5V"] D --> E["GND"] E --> F["RS485 Female connector"] F --> G["RS485 Communication"] G --> H["Grid"] H --> I["Grid"] J["Family load"] --> K["L1 L2 L3 N"] K --> L["L1 L2 L3 N"] L --> M["meter"]…](/content/2026/06/1354817/images/181fe1cacc2797bde5416873db82594911babdc13b03f89e0d51613c67971996.jpg)

Eastron SDM630MCT

Pic 7.13 Eastron meter

Pic 7.13 Connection diagram of Eastron meter

CHNT DTSU666
Pic 7.15 CHINT meter
![graph TD A["Solar Panel array"] --> B["Inverter"] B --> C["RS485 Communication"] C --> D["Grid"] D --> E["meter"] E --> F["Family load"] subgraph RS485_Communication G["VCC_5V 485_A 3"] H["GND 1 4 485_B"] end I["N L3 L2 L1 N"] --> J["Electrical box"] K["L3 L2 L1"] --> J style RS485_Communication fil…](/content/2026/06/1354817/images/fd645c69ee4e00b8ebaf5acb29c393b37d838e33f8f0734a9e1a9cbd69b27424.jpg)
Pic 7.16 Connection diagram of CHINT meter

Warning:
Ensure grid input cables connect to ports 1/4/7/10 of the energy meter, and inverter AC output cables connect to ports 3/6/9/10 of the energy meter when connecting.
7.4.2 USE OF ZERO-EXPORT FUNCTION
When the connection is completed, the following steps should be referred to use this function:
- Turn on the AC switch.
- Turn on the DC switch, and wait for the inverter's LCD to turn on.
- Press the Enter button on the LCD panel in the main interface to enter the menu options. Select [Parameter Setting] to enter the setup submenu, then select [Running Parameters] as shown in Picture 7.13. At this time, please input the default password 1234 by pressing the [Up], [Down], and [Enter] buttons, and enter the operation parameter setting interface, as shown in Picture 7.14.

Pic 7.13 Parameter setting

Pic 7.14 Meter switch
- Operate the [Up] and [Down] buttons to move the setting cursor to Energy Meter, and press the [Enter] button. At this time, you can turn the energy meter on or off by choosing the [Up] and [Down] buttons. Please press the [Enter] button to confirm when the setting is done.
- Move the cursor to [OK], press [Enter] to save the settings and exit the Running Parameters page; otherwise, the settings are invalid.
- If set up successfully, you can return to the menu interface and display the LCD to [Home Page] by pressing the [Up] and [Down] buttons. If it displays [Meter Power XXW], the zero-export function setting is completed, as shown in Picture 7.15.

Pic 7.15 Zero-export function via energy meter turn on
- Meter Power XXW showing a positive value means the grid is supplying the load, and no power is fed into the grid. If Meter Power shows a negative value, it means PV energy is being sold to the grid or the energy meter wiring connection has a problem.
- After proper connection is done, wait for the inverter to start. If the power of the PV array meets the current power consumption, the inverter will keep a certain output to counteract the power of the grid without backflow.
7.5 NOTES WHILE USING ZERO EXPORT FUNCTION
For your safety and the operation of the limiter function of the inverter, we put forward the following suggestions and precautions:

Warning:
Under zero export mode, we strongly recommend that the two PV arrays be formed by the same number of PV panels of the same size, which will make the inverter more responsive to limit the power.

Safety Hint:
While the utility power is negative and the inverter has no output power, this means the orientation of the current sensor is wrong. Please turn off the inverter and change the orientation of the current sensor.
(When using the SUN limiter, the arrow of the current sensor points to the load.)

High Temperature Hazard:
When using the SUN limiter, the current sensor of the limiter function needs to be clamped on the live wire of the grid connected to the inverter; otherwise, the inverter cannot operate normally.
7.6 HOW TO BROWSE THE LOAD POWER OF YOUR PV GRID-TIE PLANT ON THE MONITORING PLATFORM?
If you want to browse the load power of the system and how much energy (kWh) it exports to the grid (inverter output power is used to power the load first, and then the surplus energy feeds into the grid), you also need to connect the meter according to the above diagram. After the connection is completed successfully, the inverter will show the load power on the LCD. But please do not set "Meter ON". Also, you will be able to browse the load power on the monitoring platform. The plant setting method is described below.
First, go to the Solarman platform (https://pro.solarmanpv.com, this link is for Solarman distributor accounts; or https://home.solarmanpv.com, this link is for Solarman end-user accounts) plant home page and click "Edit".

Then choose your system type as "Self-consumption".
Edit Plant


Second, go to the plant page. If it shows the PV power, load power, and grid power, this means the configuration is correct.

Flow Graph Production Consumption Grid
![graph LR A["Production Power 9.52 kW\nCapacity 30 kWp"] --> B["Grid Power 6.87 kW"] B --> C["Consumption Power 2.6 kW"] A -->|32%| D["Output"]](/content/2026/06/1354817/images/92e3a77b7b05c100f37f40d8870ec53ab19b37135c208d1f563e7471e5ae74a0.jpg)
During normal operation, the LCD shows the current status of the inverter, including the current power, total generation, a bar chart of power operation, and inverter ID, etc. Press the Up key and the Down key to see the current DC voltage, DC current, AC voltage, AC current, inverter radiator temperature, software version number, and Wi-Fi connection state of the inverter.
![graph TD A["Start"] --> B["LCD Main menu"] A --> C["Total DC Power"] A --> D["PV1 and Power"] A --> E["UA and UB"] A --> F["UC and Freq"] A --> G["E-Day and E-Total"] A --> H["Time"] H --> I["*Meter"] H --> J["*ImpEp and Total"] H --> K["*ExpEp and Total"] H --> L["*Load"] H --> M["*LoadEp and Total…](/content/2026/06/1354817/images/a4e32ec10efc3e45b1f78476c6bcf74581332eb53320c0a1f65cac92c11f00d6.jpg)
*Note: These parameters will be available after the meter is connected successfully. Otherwise, they won't show.
Pic 8.1 LCD operation flow chart
8.1 THE INITIAL INTERFACE
From the initial interface, you can check PV power, PV voltage, grid voltage, inverter ID, model and other information.


Pic 8.2 The initial interface
Press UP or Down, you can check inverter DC voltage, DC current, AC voltage, AC current and inverter temperature.
PU1: 0.0V 0.0A
Pic 8.3 PV input voltage and current information
Pic 8.4 Load power


Pic 8.5 Grid voltage and current information Pic 8.6 Grid voltage and frequency

Pic 8.7 Time Pic 8.8 Meter power
| ImpEp: 0.00kWh |
| Total : 0.00kWh |
Pic 8.9 Electrical energy
| ExpEp: 0.00kWh |
| Total : 0.00kWh |
Pic 8.10 Electrical energy
Meter
Power: 0W
ImpEp: Daily energy purchased from grid; Total: Total energy purchased from grid.
ExpEp: Daily energy sold to grid; Total: Total energy sold to grid.
LoadEp: 0.00kWh
Total : 0.00kWh
Pic 8.11 Load consumption
LoadEp: Daily consumption; Total: Total energy consumption.
E-Day : 0Wh
E-Total : 134KWh
Pic 8.12 PV generation
E-Day: Daily generation; E-Total: Total generation.
8.2 SUBMENUS IN THE MAIN MENU
There are five submenus in the Main Menu.
8.2.1 DEVICE INFORMATION
You can see the LCD software Ver0201 and control board software Ver1970. In this interface, there are parameters such as rated power communication addresses.
Device Info. << Fault Record
GL1030 SN-01
ID:00000000012
ID:0000000012
Ver0201 Ver1970
Pic 8.13 Device information
8.2.2 FAULT RECORD
It can keep Eight fault records in the menu including time, customer can deal with it depends on the error code.
Device Info.
Fault Record <<
1 F35 200521 15
2 F56 200519 17
Pic 8.14 Fault Record
8.2.3 ON/OFF SETTING
ON / OFF << Setup
Turn ON << Turn OFF
Turn ON
OK << Cancel
Turn OFF
OK << Cancel
Pic 8.15 ON/OFF setting
When the inverter is turned off, it stops working immediately, and go to standby mode and then will go to self-test program again. If it passed the self-test, it will start to work again.
8.2.5 PARAMETER SETTING
There are five submenus in the setup. Setting includes system param, run param, protect param, comm: param. All of this information is for maintenance reference.
Setup
PU UA
Branch 1 : 0.0A
Branch 2 : 0.0A
Protect Param
Comm. Param <<
Pic 8.17 Submenus of the parameter setup
8.3 SYSTEM PARAM SETTING
System Param includes time set, language set, display set and factory reset.
Time Set << Language Set
Display Set Factory Reset <<
Pic 8.18 System Param
20200522 OK 08:11:21 Cancel
English Angielski
Pic 8.19 Time Pic 8.20 Language
Bright Keep << Delay time 055
Delay time 055 OK << Cancel
Pic 8.21 LCD Screen settings
Confirm Reset << Cancel
Pic 8.22 Delay time set
Pic 8.23 Reset to factory setting
8.4 RUNNING PARAM SET

Note:
Password required-- only for access-authorized engineer. Un-authorized access may avoid the warranty. The initial password is 1234.
PassWord
Pic 8.24 Password
8.4.1 ACTIVEP SET

Pic 8.25
Adjust the output active power in %
ReactiveP: Adjust reactive power output in %

Pic 8.26
Fun_ISO: Insulation resistance detection

Pic 8.27
Fun_RCD: Residual current detection
Self-check: Inverter's self-check time. The default value 60s

Pic 8.28
Island: Anti-islanding protection
Meter: Energy meter. If the inverter will connect to a meter, then set here to ON

Pic 8.29
Limiter: If the inverter will connect to a SUN limiter, then set here to ON
P. Factor: Reactive power generation correction factor

Pic 8.30
8.5 PROTECT PARAM

Note:
Engineer Only.
We will set the parameters depending on the safety requirements, so customers don't need to reset them. The password is the same as in 8.4 Running param
PassWord
Pic 8.31 Password
00 INMETRO
00 EN50549 <<
00 EN50438
00 IEC61727 <<
00 CUSTOM
00 VDE 4105 <<
00 UTE C15
00 RD 1699 <<
00 CEI 0 21
00 G98 G99 <<
00 AS4777
OK << Cancel

Note:
Engineer only.
AC OverVoltage <<
U1: 260.0V
AC LouVoltage <<
U1: 195.5V
Tripping Time1 <<
Time1: 2000ms
Tripping Time1 <<
Time1: 2000ms
AC OverVoltage << U2: 265.0V
AC LowVoltage << U2: 185.0V
Rated Voltage 127/220V
OK << Cancel
Pic 8.32 "CUSTOMIZED"
Please set the proper grid parameters according to the requirements of your current country's grid regulations. If you are not clear about it, please consult your installer.
8.6 COMM. PARAM SET
Address: 16 << BaudRate: 9600
Pic 8.33 Comm. Param
9. REPAIR AND MAINTENANCE
String type inverter doesn't need regular maintenance. However, debris or dust will affect heat sink's thermal performance. It is better to clean it with a soft brush. If the surface is too dirty and affect the reading of LCD and LED lamp, you can use wet cloth to clean it up.

Warning:
When the device is running, the local temperature is too high and the touch can cause burns. Turn off the inverter and wait for it cooling, then you can clean and maintain

Warning:
No solvent, abrasive materials or corrosive materials can be used for cleaning any parts of the inverter.
10. ERROR INFORMATION AND PROCESSING
The inverter has been designed in accordance with international grid-tied standards for safety and electromagnetic compatibility requirements. Before delivery to the customer, the inverter has been subjected to several tests to ensure its optimal operation and reliability.
10.1 ERROR CODE
If there is any failure, the LCD screen will display an alarm message. In this case, the inverter may stop feeding energy into the grid. The alarm descriptions and their corresponding alarm messages are listed in Table 10.1.
| Error code | Description Ongrid - Three Phase | |
| F01 DC input polarity reverse fault Check the PV input polarity. | ||
| F02 | DC insulation impedance permanent fault | Check the grounding cable of inverter. |
| F03 DC leakage current fault Hardly appear the code. Never ever happened so far. | ||
| F04 | Ground fault GFDI Check the solar panel output connection. | |
| F05 | Read the memory error | Failure in reading memory (EEPROM). Restart the inverter if the fault still exists, contact your installer or Deye service. |
| F06 | Write the memory error | Failure in writing memory (EEPROM). Restart the inverter if the fault still exists, contact your installer or Deye service. |
| F07 GFDI b own fuse Hardly appear the code. Never ever happened so far. | ||
| F08 GFDI g grounding touch failure Hardly appear the code. Never ever happened so far. | ||
| F09 | IGBT damaged by excessive drop voltage | Hardly appear the code. Never ever happened so far. |
| F10 | Auxiliary switch power supply failure | 1. It tells the DC 12V is not existed.2. Restart the inverter, if the fault still exists, please contact your installer. |
| F11 AC main contactor errors Hardly appear the code. Never ever happened so far. | ||
| F12 AC auxiliary contactor errors Hardly appear the code. Never ever happened so far. | ||
| F13 | Working mode changed/Grid mode changed | 1. Lost of one phase or AC voltage detection circuit or relays not closed (old inverter not have relays detection function).2. Restart the inverter, if the error still exists, please contact your installer or Deye service. |
| F14 DC firmware over current Hardly appear the code. Never ever happened so far. | ||
| F15 | AC firmware over current | 1. The internal AC sensor or detection circuit on control board or connection wire may loose.2. Restart the inverter, if the error still exists, please contact your installer or Deye service. |
| F16 | GFCI(RCD) Ac leakage current fault | 1. This fault means the average leakage current is over 300mA. Check whether DC power supply or solar panels is ok, then check 'Test data'-> 'diL' value is about 40; Then check the leakage current sensor or circuit (the following picture). Checking test data needs using big LCD.2. Restart the inverter, if the error still exists, please contact your installer or Deye service. |
| F17 | Three phase current, over-current fault | Hardly appear the code. Never ever happened so far. |
| F18 | AC over current fault of hardware | 1. Check AC sensor or detection circuit on control board or connection wire.2. Restart the inverter or factory reset, if the error still exists, please contact your installer or Deye service. |
| F19 | All hardware failure synthesis | Hardly appear the code. Never ever happened so far. |
| F20 | DC over current fault of the hardware | 1. Check whether solar panel output current is within the allowed range.2. Check DC current sensor and its detection circuit.3. Check if the inverter FW version is suitable for the hardware.4. Restart the inverter, if the error still exists, please contact your installer or Deye service. |
| F21 | DC leakage flow fault | Hardly appear the code. Never ever happened so far. |
| F22 | Crash stop (if there is a stop button) | Contact your installer for help. |
| F23 | AC leakage current is transient over current | 1. This fault means the leakage current is above 30mA suddenly. Check whether DC power supply or solar panels is ok, then check 'Test data'-> 'diL value is about 40; Then check the leakage current sensor or circuit. Check test data needs using big LCD.2. Restart the inverter, if the fault still exists, contact your installer or Deye service. |
| F24 | DC insulation impedance failure | 1. Check Vpe resistance on main board or detection on control board. Check PV panels is OK. Many times this issue is the PV problem.2. Check whether the PV panel (aluminum frame) is grounded well and inverter is grounded well. Open the cover of inverter and then check the inside ground cable is fixed well on the shell.3. Check if the AC/DC cable, terminal block are shorted to ground or the insulation is damaged.4. Restart the inverter, if the fault still exists, contact your installer or Deye service. |
| F25 | DC feedback fault Hardly appear the code. Never ever happened so far. | |
| F26 | The DC busbar is unbalanced | 1. Check whether the 'BUSN' cable or driver board power supply cable is loose.2. Restart the inverter, if the fault still exists, contact your installer or Deye service. |
| F27 | DC end insulation error Hardly appear the code. Never ever happened so far. | |
| F28 | Inverter 1 DC high fault Hardly appear the code. Never ever happened so far. | |
| F29 | AC load switch failure Hardly appear the code. Never ever happened so far. | |
| F30 | AC main contactor failure | 1. Check relays and AC voltage of relays.2. Check relays driver circuit. Check if the software is not suitable for this inverter. (Old inverter not have relays detection function)3. Restart the inverter, if the fault still exists, contact your installer or Deye service. |
| F31 | Dc boost soft start | 1. At least one Relay can't be closed. Check relays and its driver signal. (Old inverter not have relays detection function)2. Restart the inverter, if the fault still exists, contact your installer or Deye service. |
| F32 | Inverter 2 dc high fault Hardly appear the code. Never ever happened so far. | |
| F33 | AC over current Hardly appear the code. Never ever happened so far. | |
| F34 | AC current over load Hardly appear the code. Never ever happened so far. | |
| F35 | No AC grid | 1. Check AC grid voltage. Check AC voltage detection circuit. Check if the AC connector in good condition. Check whether the AC grid is normal in voltage.2. Restart the inverter, if the fault still exists, contact your installer or Deye service. |
| F36 AC grid | phase error Hardly appear the code. Never ever happened so far. | |
| F37 | AC three-phase voltage unbalance failure | Hardly appear the code. Never ever happened so far. |
| F38 | AC three-phase current unbalance failure | Hardly appear the code. Never ever happened so far. |
| F39 | AC over current(one cycle) | 1. Check AC current sensor and its circuit.2. Restart the inverter, if the fault still exists, contact your installer or Deye service. |
| F40 DC over current Hardly appear the code. Never ever happened so far. | ||
| F41 | AC Line W,U over voltage | Check the AC voltage protection setting. And Check if the AC cable is too thin.Check the voltage difference between LCD and meter. |
| F42 | AC Line W,U low voltage | Check the AC voltage protection setting. Check the voltage difference between LCD and meter. Also need to check whether AC cables are all firmly and correctly connected. |
| F43 | AC Line V,W over voltage | Check the AC voltage protection setting.And Check if the AC cable is too thin.Check the voltage difference between LCD and meter. |
| F44 | AC Line V,W low voltage | Check the AC voltage protection setting. Check the voltage difference between LCD and meter. Also need to check whether AC cables are all firmly and correctly connected. |
| F45 | AC Line U,V over voltage | Check the AC voltage protection setting.And Check if the AC cable is too thin.Check the voltage difference between LCD and meter. |
| F46 AC Line U,V low voltage Check the AC voltage protection setting. | ||
| F47 AC Over frequency Check the frequency protection setting. | ||
| F48 AC lower frequency Check the frequency protection setting. | ||
| F49 | U phase grid current DC component over current | Hardly appear the code. Never ever happened so far. |
| F50 | V phase grid current DC component over current | Hardly appear the code. Never ever happened so far. |
| F51 | W phase grid current DC component over current | Hardly appear the code. Never ever happened so far. |
| F52 | AC inductor A, phase current DC current high | Hardly appear the code. Never ever happened so far. |
| F53 | AC inductor B, phase current DC current high | Hardly appear the code. Never ever happened so far. |
| F54 | AC inductor C, phase current DC current high | Hardly appear the code. Never ever happened so far. |
| F55 | DC busbar voltage is too high | 1. Check PV voltage and Ubus voltage and its detection circuit. If the PV input voltage exceeds the limit, please reduce the number of solar panels in series.2. For Ubus voltage, please check the LCD display. |
| Error code Description Ongrid - Three Phase | ||
| F56 | DC busbar voltage is too low | 1. It tells the PV input voltage is low and it always happens in the early morning.2. Check PV voltage and Ubus voltage. When inverter is running, then showing F56, maybe Loss of driver or need update firmware.3. Restart the inverter, if the fault still exists, contact your installer or Deye service. |
| F57 AC reverse irrigation AC reverse irrigation. | ||
| F58 AC grid U over current Hardly appear the code. Never ever happened so far. | ||
| F59 AC grid V over current Hardly appear the code. Never ever happened so far. | ||
| F60 AC grid W over current Hardly appear the code. Never ever happened so far. | ||
| F61 Reactor A phase over current Hardly appear the code. Never ever happened so far. | ||
| F62 Reactor B phase over current Hardly appear the code. Never ever happened so far. | ||
| F63 Reactor C phase over current Hardly appear the code. Never ever happened so far. | ||
| F64 | IGBT heat sink high temperature | 1. Check temperature sensor. Check if firmware is suitable for the hardware. Check if the inverter is its right model.2. Restart the inverter, if the fault still exists, contact your installer or Deye service. |
Table 10.1 Error codes and their solutions

Note:
If your string inverter has any of the fault information shown in Table 10-1, and when you reset the machine and still don't solve the problem, please contact our distributor and provide the below details:
- Serial number of the inverter;
- The distributor/dealer of the inverter (if available);
- Installation date;
- The description of the problem (include LCD error code and LED status indicator lights);
- Your contact details.
- SPECIFICATION
| Model | BPT-V03-12 | BPT-V03-15 |
| Input Side | ||
| Max.DC Power(kW) | 15.6 | 19.5 |
| Max.DC Input Voltage(V) | 1000 | |
| Start-up DC Input Voltage(V) | 250 | |
| MPPT Operating Range(V) | 200~850 | |
| Max.DC Input Current(A) | 11+22 | |
| Number of MPPT/Strings per MPPT | 2/1+2 | |
| Output Side | ||
| Rated Output Power(kW) | 12 | 15 |
| Max.Active Power(kW) | 13.2 | 16.5 |
| Rated AC Grid Voltage(V) | 220/380, 230/400 | |
| AC Grid Voltage Range(V) | 277 ~ 460Vac (this may vary with grid standards) | |
| Rated Grid Frequency(Hz) | 50/60(Optional) | |
| Operating Phase | Three phase | |
| Rated AC Grid Output Current(A) | 17.4 | 21.8 |
| Max.AC Output Current(A) | 19.1 | 23.9 |
| Output Power Factor | 0.8 leading~0.8 lagging | |
| <3%Grid Current THD | ||
| DC Injection Current(mA) | <0.5% | |
| Grid Frequency Range | 47-52 or 57-62 (optional) | |
| Efficiency | ||
| Max.Efficiency | 98.5% | |
| Euro Efficiency | 97.5% | |
| >99%MPPT Efficiency | ||
| General Data | ||
| Size(mm, W×H×D) | 330×430×193.5 | |
| 17Weight(kg) | ||
| Topology | Transformerless | |
| <1W(Night)Internal consumption | ||
| Operating temperature | -25 ~ 65°C | |
| Ingress protection IP65 | ||
| Noise Emission(Typical) | <45dB | |
| Cooling Concept | Smart cooling | |
| Max. operation altitude | 2000m | |
| >20 YearsDesigned Lifetime | ||
| Grid Connection Standard | EN50549-1, IEC61727, IEC62116, IEC60068, IEC61683, VDE0126-1-1, RD1699, UNE206006IN, UNE206007-1 IN, UNE217001IN | |
| Operation surrounding humidity 0~100% | ||
| Stafty EMC / Standard | IEC62109-1/-2, IEC61000-6-1, IEC61000-6-3, IEC61000-3-11, IEC61000-3-12 | |
| General Data | ||
| MC-4 mateableDC Connection | ||
| IP65 rated plugAC Connection | ||
| LCD1602Display | ||
| RS485/RS232/Wifi/LANInterface | ||

Hymon
Hymon Fotowoltaika Sp z o.o.

