1. Introduktion
This manual provides essential information for the safe and efficient operation of your Bietrun 2000W Pure Sine Wave Inverter. Please read it thoroughly before installation and use, and retain it for future reference.
Pakkens indhold
Bekræft at alle varer er til stede i pakken:
- 1 x Bietrun 2000W Pure Sine Wave Inverter
- 2 x 10AWG 3-foot Battery Cables (Red and Black)
- 1 x Ground Cable
- 1 x fjernbetjening
- 4 x sikringer
- 1 x Small Wrench
- Monteringsskruer

Image 1.1: The Bietrun 2000W Pure Sine Wave Inverter with its remote control, battery cables, ground cable, fuses, and wrench.
2. Sikkerhedsinstruktioner
Observe the following safety precautions to prevent injury and damage to the inverter or connected devices:
- Åbn ikke inverteren casing. Der er ingen dele indeni, som kan serviceres af brugeren.
- Ensure proper ventilation around the inverter. Do not block cooling vents.
- Keep the inverter away from water, moisture, flammable materials, and direct sunlight.
- Connect the inverter only to a 12V DC power source. Connecting to other voltages kan forårsage skade.
- Ensure correct polarity when connecting battery cables (Red to Positive, Black to Negative). Reverse polarity will cause damage.
- Always connect the ground cable to a proper earth ground.
- Do not exceed the inverter's rated continuous power output (2000W) or peak surge power (4000W).
- Disconnect the inverter from the battery before performing any maintenance or cleaning.
Integrerede beskyttelsesfunktioner
The inverter includes multiple protection mechanisms:
- Overbelastningsbeskyttelse
- Lav voltage Beskyttelse
- GFCI beskyttelse
- Overvoltage Beskyttelse
- Overtemperaturbeskyttelse
- Kortslutningsbeskyttelse
- Omvendt forbindelsesbeskyttelse
- Overstrømsbeskyttelse

Image 2.1: Visual representation of the inverter's comprehensive safety protection system.
3. Produktfunktioner
The Bietrun 2000W Pure Sine Wave Inverter is designed for reliable power conversion with advanced features:
- Pure Sine Wave Output: Provides high-quality AC power (THD < 3%) suitable for sensitive electronics, ensuring stable operation and minimizing damage risk.
- Høj effektivitet: Conversion efficiency exceeding 90% reduces energy loss.
- Kontinuerlig effekt: Delivers 2000W continuous power with a 4000W peak surge capacity.
- Alsidig output: Features 4 AC outlets, 1 AC wiring terminal, 2 USB ports (5V/2.1A), and 1 Type-C port (5V/2.1A).
- HD LED-skærm: Provides real-time status updates including input/output voltage, charging status, battery status, current power, and fault codes.
- Fjernbetjening: Allows for convenient power management from a distance.
- Stille drift: High-efficiency cooling system with a low-noise fan maintains optimal operating temperature.
- Kompakt og holdbart design: Encased in rugged Aluminum Alloy, with dimensions of 19 x 10 x 7 inches and a weight of 12.5 lbs.

Image 3.1: Key features of the Bietrun 2000W Pure Sine Wave Inverter.

Image 3.2: Illustrates the stable, grid-like output of a pure sine wave inverter compared to unstable power from other types.
4. Opsætning og installation
Placering og montering
Choose a dry, well-ventilated location away from direct sunlight, heat sources, and flammable materials. The inverter can be wall-mounted using the provided screws.
Batterikompatibilitet
The inverter is compatible with various 12V battery types, including LiFePO4, LI, SLD, GEL, FLD, and AGM batteries.

Image 4.1: The inverter supports multiple 12V battery chemistries.
Tilslutningstrin
- Forbered kabler: Use the provided 10AWG 3-foot cables. Ensure all connections are secure.
- Tilslut jordkabel: Attach the green/yellow ground cable to the inverter's ground terminal and to a reliable earth ground point.
- Tilslut batterikabler:
- Tilslut rød battery cable to the inverter's positiv (+) terminal.
- Tilslut sort battery cable to the inverter's negativ (-) terminal.
- Tilslut den anden ende af rød cable to the battery's positiv (+) terminal.
- Tilslut den anden ende af sort cable to the battery's negativ (-) terminal.
Vigtig: Ensure correct polarity. A spark may occur during the final connection, which is normal due to capacitor charging.
- Sikre forbindelser: Double-check all connections for tightness to prevent loose contacts and overheating.

Image 4.2: Basic wiring diagram for connecting the inverter to a 12V battery.
Inverter Interface Overview

Image 4.3: Front panel layout with output interfaces and controls.

Image 4.4: Rear panel layout with battery input terminals and cooling fans.
5. Betjening
Tænd/sluk
- Manuel betjening: Flip the ON/OFF switch on the inverter to the 'ON' position to power on. Flip to 'OFF' to power off.
- Betjening af fjernbetjening: Ensure the inverter's 'REMOTE' switch is in the 'ON' position. Use the ON/OFF buttons on the remote control to operate the inverter.

Image 5.1: The remote control allows for convenient operation.
Tilslutning af enheder
Once the inverter is powered on, plug your AC devices into the AC outlets or connect to the AC wiring terminal. USB devices can be connected to the USB or Type-C ports.
Ensure the total power consumption of all connected devices does not exceed 2000W continuously.
6. HD Display Information
The integrated HD display provides real-time operational data and fault indications:
- Input: Viser batteri voltage (BT) and internal temperature (T).
- Produktion: Shows output frequency (Hz), AC voltage (AC), and current power consumption (P).
- Batteristatus: Visual indicator of battery charge level.
- Bølgeform: Indicates pure sine wave output.
- Fejlkoder: Numeric codes appear for specific issues, aiding in troubleshooting.

Image 6.1: The HD display provides comprehensive status updates and fault codes.
Fejlkodebeskrivelser
- 2: Lav voltage Advarsel
- 3: Overvoltage Beskyttelse
- 4: Lav voltage Beskyttelse
- 5: Advarsel om overbelastning
- 6: Overbelastningsbeskyttelse
- 7: Overtemperaturbeskyttelse
- 8: Udgang kortslutningsbeskyttelse
7. Fejlfinding
If the inverter is not functioning correctly, refer to the display for fault codes and consult the table below:
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Inverteren tænder ikke | Løse batteriforbindelser, lavt batterivolumentage, faulty fuse. | Check battery cable connections. Recharge or replace battery. Check and replace fuses if blown. |
| No AC output (Fault Code 8) | Udgang kortslutning. | Disconnect all AC loads. Check for short circuits in connected devices or wiring. Reconnect one by one. |
| Overload warning/protection (Fault Code 5/6) | Connected load exceeds inverter's capacity. | Reduce the total power of connected devices. Disconnect high-power appliances. |
| Lav voltage warning/protection (Fault Code 2/4) | Batteri voltage er for lavt. | Recharge the battery. Check battery health. |
| Overvoltage protection (Fault Code 3) | Input voltage er for høj. | Bekræft batteri voltage is within the 12V range. Disconnect from charging source if overcharging. |
| Overtemperature protection (Fault Code 7) | Inverteren er overophedet. | Ensure adequate ventilation. Reduce load. Allow inverter to cool down. Clean fan vents if obstructed. |
If the fault persists after attempting the solutions, contact customer support.
8. Specifikationer
| Feature | Specifikation |
|---|---|
| Modelnummer | DX-GAC2000W |
| Kontinuerlig kraft | 2000W |
| Peak Surge Power | 4000W |
| Input bindtage | DC 12V |
| Udgang Voltage | AC 110V-120V |
| Output bølgeform | Ren Sine Wave |
| Total harmonisk forvrængning (THD) | < 3 % |
| Konverteringseffektivitet | > 90 % |
| AC-stikkontakter | 4 |
| USB-porte | 2 (5V/2.1A) |
| Type-C port | 1 (5V/2.1A) |
| Dimensioner (L x B x H) | 19 x 10 x 7 tommer |
| Varens vægt | 11.13 pund |
| Kølesystem | Dobbelt køleventilator |
9. Vedligeholdelse
Regular maintenance ensures optimal performance and longevity of your inverter:
- Rensning: Periodically clean the exterior of the inverter with a dry, soft cloth. Ensure cooling vents are free from dust and debris. Do not use liquid cleaners.
- Tilslutningskontrol: Kontroller regelmæssigt batterikabelforbindelserne for tæthed og korrosion. Rengør eventuel korrosion med en stålbørste og bagepulveropløsning.
- Ventilation: Ensure the inverter always has adequate airflow. Do not operate in enclosed spaces without ventilation.
- Udskiftning af sikring: If a fuse blows, replace it only with a fuse of the same type and rating as specified in the package contents.
10. Garanti og support
For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official Bietrun webwebstedet. Behold din købskvittering som købsbevis.





