SILENT refers to a range of specialized decentralized heat recovery and ventilation units, specifically the REC Duo series, designed for energy efficiency and ultra-quiet residential air exchange.
The SILENT brand category on Manuals.plus primarily features advanced ventilation solutions such as the REC Duo 100 SILENT decentralized heat recovery units. These systems are engineered by Maico Italia to provide high thermal efficiency (up to 90%) while maintaining low noise levels suitable for bedrooms and living rooms. The products utilize a ceramic heat exchanger with a push-pull reverse flow mechanism to accumulate and release heat, ensuring constant thermal comfort in both winter and summer.
Key features of the SILENT ventilation line include ease of installation with magnetic coupling, telescopic ducts for varying wall thicknesses, and integrated humidity sensors for automatic speed adjustment. The units are characterized by their flush-mounted design, durable plastic construction, and maintenance-friendly components like washable G3 filters. While the term "Silent" is also commonly used generically for soundproof diesel generators, the primary documentation available here supports the specific line of residential air recovery systems.
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It operates on a push-pull reverse flow principle with a 60-second cycle. A ceramic heat exchanger accumulates heat from extracted air and releases it to incoming fresh air, ensuring energy efficiency.
The units are equipped with class G3 polypropylene filters that are easily removable. They should be checked regularly and can be replaced or washed to maintain air quality and system efficiency.
On models like the REC DUO 100 PLUS RC SILENT, the LED on the remote controller switches on briefly to indicate that a command signal has been successfully received by the unit.
Free-cooling mode allows for air exchange without heat recovery. By pressing the specific button on the controller, the reverse flow stops, and fans run in a single direction to bring in cool air, usually at night during summer.