The D+H CDC-0252 chain drive – remarkably quiet and virtually invisible
Technical innovations that are there to serve the plans of the architects, fabricators and users: This D+H philosophy is also behind the CDC-0252, which can be integrated almost invisibly into virtually any façade concept thanks to the innovative decoupling in the drive technology. This decoupling works in a remarkably quiet manner and overcomes even the most difficult sashes quickly and safely.
The CDC Series has always owed its success among planners and window manufacturers to its enormously wide range of applications: The sleek and powerful chain drive for installation integrated into the profile or mounted installation can be used with wooden, aluminium and plastic profiles. There are no unsightly external fasteners. Once this multi-talented solution is installed in the window, you will notice its function as it quickly and unobtrusively ensures natural ventilation and smoke extraction. And the heat transfer coefficient? Testing by ift Rosenheim showed that it only saw a minimal increase with integrated installation.
Due to the fact that noise emissions were lowered by 6.8dB, and thus a factor of 5, the CDC-0252 is also setting benchmarks in terms of comfort for the building users thanks to the innovative decoupling in the drive technology. This was made possible due to a simple yet effective solution: Where metal meets metal, things get loud. Thanks to the innovative decoupling of the drive technology and additional design measures, D+H managed to achieve a quiet revolution with the development of the CDC-0252. In addition, experiments were carried out on various motor flanges and the brackets were also decoupled. The results of this process are just as stable as before but significantly quieter. Detailed tests run by the acoustics specialists at Novicos were able to demonstrate, among other things, by comparing three variants of drives with one another. Considering that the human ear perceives a difference of 10db as twice as loud, it is clear that even small improvements can mean tremendous progress.
The programming of the CDC is strictly user-oriented and therefore particularly easy and reliable: Thanks to the intelligent and powerful motor electronics, the chain drives can be programmed individually via PC and Windows tablets using D+H SCS software. As a result, the drive functions, performance features, stroke lengths, opening widths and speeds for opening and closing can be set separately according to the application. A stroke of 350, 600 and now a NEW stroke of 800 mm in 60 seconds via the high-speed function with a comprehensive and tensile force of 250N is possible depending on the version. Intermediate sizes and longer strokes are also possible upon request. The CDC can be integrated perfectly into building automation thanks to the innovative new ACB bus communication based on the Modbus: This technology enables position-accurate control as well as the creation of virtual groups. This makes the CDC-0252 a particularly reliable, flexible solution and individually customisable drive solution for SHEV and natural ventilation.
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CDC-0252 chain drive is assigned to following product groups:
Hardware, fixing and safety equipment (301)
- Safety equipment (108)
Control systems and drives (46)
- Control systems and drives for facades (15)
- Control systems and drives for windows and french doors (26)
- Control systems and drives for doors (22)
- Control systems and drives for shading and ventilation equipment (19)
- Control systems and drives for conservatories (14)
- Other types of control systems and drives (19)
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