Aldes BW53 BDH 11015179: Humidity-Controlled Extraction Vent

Product Overview

The Aldes BDH is a single-flow humidity-controlled extraction vent designed for sanitary rooms such as bathrooms and WCs. It ensures sufficient and continuous extraction of indoor pollutants based on the room's humidity level, contributing to optimal indoor air quality in residential buildings.

Key Product Features

• Simplified maintenance thanks to its removable face
• Unique design without a grille
• Roll-in seal for enhanced airtightness

Principles of Operation & Description

In a humidity-controlled VMC (Mechanical Ventilation) system, airflow is automatically regulated according to the room's humidity level, responding to the building's actual ventilation needs. The BDH vent is installed in sanitary rooms.

The BDH is a humidity-controlled vent designed for technical rooms in individual homes and collective housing, for both new builds and renovations. It is a small-model humidity-controlled vent suitable for flow rates below 50m³/h.

Application Areas

• Collective residential housing
• Individual residential housing
• New builds
• Renovations

Installation Guidelines (Mise en oeuvre)

• BDH must be installed in humid or technical rooms: bathrooms, WCs, utility rooms.
• The vent should be positioned at the top of a vertical wall or on the ceiling, at a height of at least 1.80 meters above the floor.
• The vent must be accessible and removable, with at least 20 cm clearance between the vent's center and adjacent walls or non-adhering to the duct.
• The seal between the vent and the connecting duct must be optimal. This is improved by using a sleeve. A metal sleeve is recommended for collective housing (stainless steel sleeve mandatory for Gas VMC), while a plastic sleeve can be used for individual homes.
• Versions with a 125 mm duct: the vent attaches directly (by push-fit with O-ring) into a sleeve, RT Flex, rigid or semi-rigid duct.
• Versions with an 80 mm duct attach by push-fit into sleeves, rigid or semi-rigid ducts.
• For electrically controlled humidity-controlled vents, ensure two AA/LR06 batteries and a standard push button (code 11026011) are provided.
• Humidity-controlled vents operate within the 80-160 Pa pressure range.
• Extraction vents must be maintained and checked at least once a year. Connecting a mechanical hood to the VMC system is prohibited (Art. 14 - decree of March 24, 1982).
• Before replacing an old vent with a new one, perform a pressure reading and note the type of housing concerned.

Technical Specifications

Reference Argument

Application: Humidity-controlled extraction vent for bathrooms with WCs, dedicated for individual homes (new builds and renovations).

Description:

• Fixing: D 125 mm
• Base flow rate: 10-40 m³/h
• Peak flow rate: 30 m³/h
• Relative humidity range: 40/70%
• Pressure range: 80 to 160 Pa
• Control: Presence sensor
• Seal: Roll-in
• Ease of installation

Main Features

• Small-model humidity-controlled vent (flow rates < 50m³/h).
• Versions and accessories available to meet all installation requirements.
• Easy maintenance: regulation sub-assembly clips on and off easily; the removable case allows for simple cleaning without wall removal.
• Pressure range: 80 - 160 Pa.

Accessories

General Data

Dimensional Data

The BW53 BDH vent has a main body measuring 170mm in height and 170mm in width. The depth (P) of the unit is 43.1mm. The duct connection diameter (Ø) is 80 mm. Additional diagrams show various connection sleeve dimensions and component sizes, including diameters such as Ø 125 mm, Ø 120.4 mm, Ø 80 mm, and Ø 75.6 mm.

Aeraulic Data