1. Introducció
The Anern AN-FGI-DU4200 is a state-of-the-art hybrid solar inverter designed to provide reliable and efficient power for various applications. This inverter supports dual voltage operation (12VDC or 24VDC) and delivers a pure sine wave output, ensuring compatibility with sensitive electronics. It integrates a built-in MPPT solar charger and offers comprehensive protection features. This manual provides essential information for the safe and effective installation, operation, and maintenance of your inverter.

Figure 1: Anern Hybrid Solar Inverter FGI-DU4200 highlighting 4200W power, 12V/24V operation, 100A max charging current, 500VDC max DC voltage, i 2 anys de garantia.
Característiques principals:
- Work at 2 different voltages: 12VDC or 24VDC, meeting diverse load needs.
- Rated power is 2300W when operating at 12VDC, and 4200W when operating at 24VDC.
- Pure sine wave output inverter for clean and stable power.
- Vol d'entrada seleccionabletage range of utility grid based on load requirements (household appliances/personal computers).
- Adjustable charging current via LCD display according to battery specifications.
- Ability to power loads simultaneously from solar energy and utility grid.
- AC input compatible with both mains power and generators.
- Automatic restart function upon restoration of mains power.
- Built-in overload, over-temperature, and short circuit protection.
- Intelligent battery charging design for optimized battery utilization.
- RS485 port for communication with Battery Management Systems (BMS).
- Funció d'arrencada en fred.
- Built-in MPPT operating voltage range 55V~500V, open circuit voltage 500Voc.
- Optional Wi-Fi remote monitoring and Bluetooth near-end sampllengüeta
- Kit antipols integrat per a una major durabilitat en entorns durs.
- Optional RGB lights.
2. Informació de seguretat
Please read and understand all safety instructions before installing or operating the inverter. Failure to follow these instructions may result in electrical shock, fire, serious injury, or death.
- La instal·lació ha de ser realitzada per personal qualificat.
- Assegureu-vos que tot el cablejat estigui correctament dimensionat i aïllat.
- No desmunteu l'inversor. No hi ha peces a l'interior que l'usuari pugui reparar.
- Mantingueu l'inversor allunyat de materials inflamables, humitat i llum solar directa.
- Assegureu-vos que hi hagi una ventilació adequada al voltant de l'inversor per evitar el sobreescalfament.
- Always disconnect all power sources (solar, battery, AC input) before performing any maintenance or wiring.
- Utilitzeu l'equip de protecció individual (EPI) adequat durant la instal·lació i el manteniment.
3. Producte acabatview i Components
The Anern AN-FGI-DU4200 Hybrid Solar Inverter is designed for comprehensive power management. Key components include:
- Inverter Unit: The main device housing the power electronics and control system.
- Pantalla LCD: For monitoring system status and configuring settings.
- Terminals d'entrada/sortida: Connections for solar panels, batteries, AC grid/generator, and AC loads.
- Ports de comunicació: RS485 for BMS, and optional Wi-Fi/Bluetooth module.
- Maquinari de muntatge: (Typically included) for securing the inverter to a wall.

Figure 2: Product dimensions (530mm H x 390mm W x 130mm D) and bottom panel connections including AC In/Out, Input Breaker, Battery terminals, and communication ports.
4. Instal·lació i configuració
4.1 Muntatge de l'inversor
- Trieu un lloc sec i ben ventilat, allunyat de la llum solar directa i de fonts de calor.
- Ensure the mounting surface is strong enough to support the inverter's weight (approx. 10kg).
- Allow sufficient clearance around the inverter for proper airflow.
- Mount the inverter vertically using appropriate fasteners.
4.2 Connexions de cablejat
All wiring should be done by a qualified electrician following local electrical codes and regulations. Refer to the wiring diagrams below for correct connections.

Figure 3: Detailed Hybrid Power System wiring diagram showing connections for Solar Panel Array, Combiner Box, DC(PV) Disconnect, AC Breaker Panel, AC Disconnect, Inverter, kWh Meter, DC Loads, Grid, Property Use, Generator, External Battery Packs, and Home Appliances.
4.2.1 Connexió de la bateria
The inverter supports both 12VDC and 24VDC battery systems. Ensure your battery bank matches the selected voltage mode of the inverter. For 24V operation, two 12V batteries can be connected in series. For 12V operation, batteries are connected in parallel.

Figure 4: Diagram illustrating battery connections for 12V (parallel) and 24V (series) operation, and compatible battery types including Flooded, Gel, AGM, Lithium, and SLD/Sealed.
Compatible battery types include Flooded, Gel, AGM, Lithium, and SLD/Sealed batteries. Connect the battery cables to the inverter's battery terminals, ensuring correct polarity (positive to positive, negative to negative).
4.2.2 Connexió del panell solar
Connect the solar panel array to the designated PV input terminals on the inverter. Ensure the total open circuit voltage (Voc) of your solar array does not exceed 500VDC and the MPPT operating voltage range is between 55V and 500VDC.
4.2.3 AC Input Connection (Grid/Generator)
Connect the AC input from your utility grid or generator to the AC input terminals. The inverter is compatible with 220V-240V AC input at 50/60Hz. An input breaker should be installed for safety.
4.2.4 AC Output Connection (Loads)
Connect your household appliances and other AC loads to the AC output terminals of the inverter. The inverter provides a 230VAC pure sine wave output.

Figure 5: System diagram illustrating the connection of solar panels, a generator, external battery packs, and various home appliances (TV, fan, computer, light, refrigerator) to the inverter.
4.3 Wi-Fi Monitoring Setup (Optional)
If your inverter includes the optional Wi-Fi module, you can monitor and control its operation remotely via a mobile phone or computer. Follow the instructions provided with the Wi-Fi module for setup and app installation.

Figure 6: Illustration of Wi-Fi Monitoring, showing how the inverter's operation can be controlled and monitored using a mobile phone or computer via a Wi-Fi module.
5. Instruccions de funcionament
5.1 Engegada inicial
- After all connections are secure, switch on the battery breaker first.
- Then, switch on the solar input breaker (if applicable).
- Finally, switch on the AC input breaker (if connected to grid/generator).
- L'inversor realitzarà una autoprova i la pantalla LCD s'il·luminarà.
5.2 Pantalla LCD i configuració
The LCD display provides real-time system status and allows for configuration of various parameters. Navigate through the menus using the buttons adjacent to the display.
- Seguiment: View entrada/sortida voltage, current, frequency, battery status, and load percentage.
- Corrent de càrrega: Adjust the battery charging current based on your battery type and capacity.
- Entrada Voltage Rang: Select the utility grid input voltage range (e.g., for personal computers or home appliances).
- Mode de funcionament: Configure the inverter's priority for power sources (e.g., Solar first, Utility first, Battery first).
5.3 Volum dualtage Flexibilitat
The inverter automatically detects and switches between 12VDC and 24VDC modes. When operating at 12VDC, the rated power is 2300W. When operating at 24VDC, the rated power is 4200W. This allows the inverter to adapt to different load requirements.

Figure 7: Explanation of Dual Voltage Flexibility, detailing how the inverter supports free switching between 12VDC/24VDC modes to provide 2300W and 4200W respectively, compatible with grid and generator input, and customizable charging via LCD.
5.4 Cold Start Function
The inverter features a cold start function, allowing it to be powered on directly from the battery even without an AC input or solar input, useful in off-grid scenarios.
6. Manteniment
Un manteniment regular garanteix la longevitat i el rendiment òptim del vostre inversor.
- Neteja: Periodically clean the exterior of the inverter with a dry cloth. Ensure ventilation openings are free from dust and debris. The built-in anti-dust kit helps in harsh environments, but regular checks are still recommended.
- Connexions: Comproveu anualment totes les connexions elèctriques per comprovar si estan ben ajustades i si hi ha signes de corrosió.
- Salut de la bateria: Monitor de vol de la bateriatage and health regularly, especially for lead-acid batteries. Follow battery manufacturer's maintenance guidelines.
- Medi ambient: Assegureu-vos que l'entorn de funcionament es mantingui dins dels rangs de temperatura i humitat especificats.
Warning: Do not attempt to open or service the inverter. Refer all servicing to qualified personnel.
7. Solució De Problemes
This section covers common issues and their potential solutions. For problems not listed here, contact customer support.
| Problema | Causa possible | Solució |
|---|---|---|
| L'inversor no s'encén | No hi ha connexió de bateria o el volum de la bateria és baixtage. | Comproveu les connexions de la bateria i assegureu-vos del volum de la bateriatage is above the minimum operating level. |
| Sense sortida de CA | Overload, short circuit, or over-temperature. | Reduce load, check for short circuits, allow inverter to cool down. Inverter has built-in protection and will restart automatically once conditions are safe. |
| La càrrega solar no funciona | Solar panels not connected, insufficient sunlight, or PV voltagi fora de rang. | Check solar panel connections, ensure adequate sunlight, verify PV voltage is within 55-500VDC MPPT range. |
| AC input not detected | AC input breaker off, grid power failure, or incorrect input voltagConfiguració d'interval. | Check AC input breaker, confirm grid power, adjust input voltage range setting via LCD. |
8. Especificacions
Below are the detailed technical specifications for the Anern AN-FGI-DU4200 Hybrid Solar Inverter:

Figure 8: Product Data Sheet table providing detailed specifications for 12V and 24V operation, including power, voltage, frequency, charge currents, physical dimensions, and operating environment.
| Paràmetre | Sistema 12V | Sistema 24V |
|---|---|---|
| Potència de sortida nominal | 2300VA/2300W | 4200VA/4200W |
| ENTRADA | ||
| Voltage | 230 VCA | |
| Vol. Seleccionabletage Rang | 170-280VAC (For Personal Computers) 90-280VAC (For Home Appliances) | |
| Interval de freqüència | 50 Hz/60Hz (Auto Sensing) | |
| SORTIDA | ||
| Vol. ACtagRegulació electrònica (mode bateria) | 230VAC ± 5% | |
| Potència de sobretensió | 4600W | 8400W |
| Efficiency (peak) Battery to INV | 94% | |
| Temps de transferència | 10 ms (per a ordinadors personals); 20 ms (per a electrodomèstics) | |
| BATTERY & AC CHARGE | ||
| Voltage | 12 V | 24 V |
| Càrrega flotant Voltage | 13.5 V | 27 V |
| Protecció de sobrecàrrega | 16VDC | 32VDC |
| Corrent de càrrega màxima | 100A | |
| CÀRREGA SOLAR | ||
| Potència màxima de matriu fotovoltaica | 4000W | |
| Interval MPPT @ Voltage | 55-500VDC | |
| Volum màxim de circuit obert de la matriu fotovoltaicatage | 500VDC | |
| Corrent de càrrega màxima | 100A | |
| FÍSIQUES | ||
| Dimension, H*W*D(mm) | 405*305*108 | |
| Pes net (kg) | 6.7 | |
| Interfície de comunicació | RS485/RS232, BMS/WiFi, Bluetooth | |
| ENTORN DE FUNCIONAMENT | ||
| Humitat | 5% a 95% d'humitat relativa (sense condensació) | |
| Temperatura de funcionament | -20 ℃ ~ 55 ℃ | |
| Temperatura d'emmagatzematge | -20 ℃ ~ 60 ℃ | |
9. Consells d'usuari
- Monitorització de Wi-Fi: If you have the Wi-Fi option, utilize the mobile app for convenient remote monitoring of your system's performance and status. This allows you to check energy production and consumption from anywhere.
- Compatibilitat de la bateria: The inverter is highly versatile with battery types. Ensure you select the correct battery type setting on the LCD display to optimize charging and prolong battery life.
- Gestió de càrrega: Be mindful of the inverter's rated power for your chosen voltage (2300W for 12V, 4200W for 24V) to avoid overloading, which can trigger protection mechanisms.
10. Garantia i Suport
10.1 Informació de la garantia
The Anern AN-FGI-DU4200 Hybrid Solar Inverter comes with a 2 any de garantia from the date of purchase. This warranty covers defects in materials and workmanship under normal use and service conditions. It does not cover damage resulting from improper installation, misuse, unauthorized modifications, or natural disasters.
10.2 Suport tècnic
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact Anern customer support. Have your product model number (AN-FGI-DU4200) and purchase details ready when contacting support.





