1. Produktet er slutview
The Jung KNX Bus Coupler 2073 U is a system device designed for integrating KNX application modules into a KNX bus system. This component facilitates communication within the KNX network, ensuring seamless operation of connected devices. It is designed for flush-mounted installation and features a screw-fixing mechanism for secure placement.

Figur 1: Forside view of the Jung KNX Bus Coupler 2073 U, illustrating its compact design and connection points. The device is marked with "JUNG Busankoppler 3 2073U" and the KNX logo, indicating its compatibility with the KNX standard.
Nøglefunktioner:
- KNX Bus System Compatibility: Fully compatible with the KNX bus system.
- Mounting Type: Designed for flush-mounted installation.
- Fixing Method: Secure 3-screw fixing for reliable installation.
- Sensor/Actuator Connections: Supports 1 sensor/actuator connection.
- Integration: Facilitates the integration of KNX application modules.
2. Sikkerhedsoplysninger
Please read this manual carefully before installation and operation. Failure to follow these instructions may result in damage to the device, property, or personal injury.
- Installation must be performed by a qualified electrician in accordance with national wiring regulations and local electrical codes.
- Ensure the power supply is disconnected before any installation, maintenance, or troubleshooting work.
- Betjen ikke enheden, hvis den er synligt beskadiget.
- Beskyt enheden mod fugt, støv og ekstreme temperaturer.
- This device is intended for commercial and private use within a KNX system.
3. Pakkens indhold
Kontroller, at alle varer er til stede og ubeskadigede, når du åbner pakken:
- 1 x Jung KNX Bus Coupler 2073 U
- (No additional accessories or manuals are typically included with this component, as it is part of a larger system installation.)
4. Opsætning og installation
The Jung KNX Bus Coupler 2073 U is designed for flush-mounted installation. Proper installation is crucial for the device's functionality and safety within the KNX system.
Installationstrin:
- Forberedelse: Sørg for, at hovedstrømforsyningen til installationsområdet er afbrudt ved afbryderen.
- Monteringssted: Select a suitable flush-mounted box in the wall.
- Ledningsføring: Connect the KNX bus line to the designated terminals on the bus coupler. Refer to the wiring diagram provided with your specific KNX application module for correct pin assignments.
- Securing the Device: Insert the bus coupler into the flush-mounted box. Use the three screw fixing points to securely fasten the device to the box. Ensure it is firmly seated and stable.
- Modulintegration: Once the bus coupler is physically installed, the KNX application module (e.g., a switch, dimmer, or sensor module) can be clicked onto the bus coupler. Ensure a secure connection.
- Strømgendannelse: After verifying all connections are correct and secure, restore power to the circuit.
For detailed wiring diagrams and programming instructions, consult the documentation specific to the KNX application module being used with this bus coupler and the ETS (Engineering Tool Software) for KNX systems.
5. Driftsprincipper
The Jung KNX Bus Coupler 2073 U acts as an interface between the physical KNX bus line and the KNX application module. It does not have user-operable controls directly on the device itself. Its function is to provide the necessary electrical and data connection for the application module to communicate within the KNX network.
- Dataoverførsel: The bus coupler transmits data signals from the KNX bus to the connected application module and vice-versa.
- Strømforsyning: It draws power from the KNX bus line to operate the connected application module.
- Adressering: The addressing and configuration of the bus coupler and its associated application module are performed using the KNX ETS software. This involves assigning physical addresses and programming the desired functions.
Operation of the overall KNX system, including the functions enabled by this bus coupler, is managed through the programmed application modules (e.g., pressing a light switch, adjusting a thermostat). Refer to the specific application module's manual for operational details.
6. Vedligeholdelse
The Jung KNX Bus Coupler 2073 U is a low-maintenance device. Regular cleaning and inspection are generally sufficient.
- Rensning: If necessary, gently wipe the visible parts of the device with a soft, dry, lint-free cloth. Do not use abrasive cleaners, solvents, or excessive moisture.
- Inspektion: Periodically check for any signs of physical damage or loose connections. If any issues are observed, disconnect power and consult a qualified electrician.
- Ingen dele, der kan serviceres af brugeren: Enheden indeholder ingen dele, som brugeren kan servicere. Forsøg ikke at åbne eller reparere enheden.
7. Fejlfinding
Most issues related to the bus coupler are typically system-wide KNX communication problems or issues with the connected application module. This section provides general troubleshooting steps.
| Problem | Mulig årsag | Løsning |
|---|---|---|
| KNX device not responding. | No power to the KNX bus; incorrect wiring; faulty application module; incorrect ETS programming. | Check KNX bus power supply. Verify bus line connections to the coupler. Test the application module. Review ETS programming for correct addressing and functionality. |
| Intermitterende kommunikation. | Loose connections; bus line interference; faulty bus coupler. | Ensure all screw fixings and connections are tight. Check for sources of electrical interference. If issues persist, consider professional diagnosis of the bus coupler. |
| Device not recognized by ETS. | Incorrect physical address; bus line issue; ETS software problem. | Verify the physical address in ETS matches the device. Check bus line continuity. Restart ETS software and the KNX interface. |
For complex issues, it is recommended to contact a certified KNX installer or the manufacturer's technical support.
8. Specifikationer
| Attribut | Værdi |
|---|---|
| Fabrikant | Jung |
| Modelnummer | 2073 U |
| Varenummer | 1 |
| Produktdimensioner | 10 x 10 x 10 cm |
| Vægt | 60 gram |
| Farve | Metal |
| Antal i pakken | 1 |
| Antal dele | 1 |
| Brug | Commercial and private use |
| Pakkens indhold | JUNG Busankoppler 2073U KNX 3 |
| Batteri påkrævet? | Ingen |
| Første ledige dato | 25. oktober 2017 |
| Bus system | KNX (Yes), KNX-Radio (No), Radio Bus (No) |
| Monteringstype | Indbygget |
| Number of Sensor/Actuator Connections | 1 |
9. Garanti og support
Jung products are manufactured to high quality standards. For specific warranty terms and conditions, please refer to the official Jung webwebstedet eller kontakt din lokale forhandler. Gem din købsbevis til garantikrav.
Teknisk support:
For technical assistance, installation queries, or troubleshooting beyond the scope of this manual, please contact Jung customer support or a certified KNX professional.
- Fabrikant Webwebsted: www.jung.de (Please note: This is a general link and may not be specific to your region. Søg efter Jung's official website in your country.)
- KNX Association: For general information about the KNX standard and certified professionals, visit www.knx.org.





