1. Introducció i presentació del producteview
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Bosch 100mm Bathroom Fan. This fan is designed to provide effective ventilation in bathrooms and toilets, combating humidity, unpleasant odors, and mold growth. It features activation via a light switch for simple and practical use.

Image 1: The Bosch 100mm Bathroom Fan, a compact and elegant solution for improved indoor climate.
Característiques principals:
- Ventilació efectiva: Silently and powerfully combats humidity, odors, and mold.
- Light Switch Activation: Simple operation, turns on and off with your light switch; this model does not include a timer.
- Integrated Backdraft Damper: Directs stale air outwards while preventing outside air from re-entering.
- Taxa de flux d'aire: 95 m³/h.
- Disseny elegant: Neutral white plastic front panel integrates seamlessly into any bathroom style.
- Baix nivell de soroll: 39 dB(A) at 3 meters. Note that noise may seem higher in tiled bathrooms due to acoustic resonances.
- Fàcil instal·lació: Designed for single-person wall-mounted installation with standard tools. Screws and wall plugs are included.
2. Informació de seguretat
Llegiu atentament totes les instruccions de seguretat abans de la instal·lació i el funcionament. Si no seguiu aquestes instruccions, podeu patir descàrregues elèctriques, incendis o lesions greus.
- Instal·lació professional: Installation, electrical connection, and commissioning must only be carried out by qualified professionals in compliance with all applicable local and national regulations.
- Altitude Restriction: This appliance is not suitable for use at altitudes exceeding 2000 meters.
- Ús previst: The fan is designed to extract normal or slightly dusty air (particle size <10 µm) with low aggressiveness and humidity in temperate climates, within its specified performance characteristics.
- Connexió elèctrica: Ensure the main power supply is disconnected before any electrical work. The fan must be connected to a fixed electrical system using a NYM-O 2 x 1.5 mm² (H07V-K 2 x 1.5 mm²) or NYM-O 3 x 1.5 mm² (H07V-K 3 x 1.5 mm²) cable, with a maximum outer diameter of 7.5 mm, depending on equipment options.
- Danys: Do not operate the fan if the power cord or plug is damaged, or if the fan itself has been dropped or damaged.
- Nens i persones vulnerables: Aquest aparell el poden utilitzar nens a partir de 8 anys i persones amb capacitats físiques, sensorials o mentals reduïdes o amb manca d'experiència i coneixements si han rebut supervisió o instruccions sobre l'ús de l'aparell d'una manera segura i entenen els perills que comporta. . Els nens no han de jugar amb l'aparell. La neteja i el manteniment dels usuaris no els han de fer els nens sense supervisió.
3. Contingut del paquet
Please check that all components are present and undamaged upon unpacking.
- Bosch 100mm Bathroom Fan unit
- Cargols de muntatge
- Endolls de paret
- Manual d'instruccions
4. Configuració i instal·lació
The Bosch 100mm Bathroom Fan is designed for wall-mounted installation only. It requires a 102mm diameter opening for a 100mm duct.
4.1 Comprovacions prèvies a la instal·lació:
- Ensure the installation location is suitable for a wall-mounted fan and has access to appropriate electrical wiring.
- Verify that the wall opening is approximately 102mm in diameter to accommodate the 100mm duct.
- Confirm that the electrical supply is disconnected at the main circuit breaker before proceeding.
4.2 Passos d'instal·lació:
- Prepara l'obertura: If not already present, create a circular opening of approximately 102mm in the wall at the desired installation height. Ensure there is sufficient depth for the fan body and ducting.
- Connexió elèctrica: A qualified electrician must connect the fan to the fixed electrical system. Use a NYM-O 2 x 1.5 mm² (H07V-K 2 x 1.5 mm²) or NYM-O 3 x 1.5 mm² (H07V-K 3 x 1.5 mm²) cable, with a maximum outer diameter of 7.5 mm. Ensure proper grounding if applicable. This model is activated by a light switch, so it should be wired to the same circuit as the bathroom light.
- Muntatge del ventilador: Insert the fan body into the prepared wall opening. Use the provided screws and wall plugs to securely fasten the fan to the wall. Ensure the fan is level.
- Connecteu el panell frontal: Once the fan body is securely mounted and wired, attach the decorative front panel. It typically clips or screws into place.
- Comprovació final: Restore power at the main circuit breaker and test the fan by activating the light switch.

Image 2: Detailed dimensions and installation view of the Bosch 100mm Bathroom Fan, highlighting wall-mount only.
5. Instruccions de funcionament
This Bosch bathroom fan is designed for straightforward operation.
5.1 Encès/apagat:
The fan is activated directly by your bathroom's light switch. When the light switch is turned on, the fan will begin to operate. When the light switch is turned off, the fan will stop.

Image 3: The fan's activation method and 100mm diameter exhaust opening.
5.2 Airflow and Backdraft Damper:
The fan features an integrated backdraft damper. This mechanism ensures that once the fan extracts stale, humid air from the room, it prevents colder outside air or drafts from entering back into the room when the fan is not operating. The airflow rate is 95 m³/h, ensuring efficient air exchange.

Image 4: Illustration of the fan's effective ventilation and backdraft prevention.
6. Manteniment
Un manteniment regular garanteix un rendiment òptim i una llarga vida útil del ventilador.
6.1 Cleaning the Fan:
- Desconnecteu l'alimentació: Always ensure the electrical supply to the fan is disconnected at the main circuit breaker before cleaning.
- Treure el panell frontal: Carefully unclip or unscrew the front decorative panel.
- Superfícies netes: Utilitzeu un suau, damp cloth to wipe down the front panel and the visible parts of the fan housing. For stubborn dirt, a mild, non-abrasive cleaning agent can be used.
- Neteja de les aspes del ventilador: Gently clean the fan blades with a soft brush or a vacuum cleaner with a brush attachment to remove dust and debris. Avoid bending the blades.
- Torneu a muntar: Once all parts are clean and dry, reattach the front panel.
- Restaura l'alimentació: Reconnect the electrical supply at the main circuit breaker.
No utilitzeu: Abrasive cleaners, solvents, or harsh chemicals, as these can damage the fan's plastic components.
7. Solució De Problemes
If you encounter issues with your Bosch bathroom fan, refer to the following common problems and solutions.
| Problema | Causa possible | Solució |
|---|---|---|
| El ventilador no s'encén | Sense font d'alimentació Interruptor de la llum defectuós Cablejat solt | Check circuit breaker. Ensure light switch is on. Verify electrical connections (by a qualified electrician). |
| El ventilador fa excessivament sorollós | Accumulated dust/debris on blades Muntatge solt Acoustic resonance in tiled rooms | Clean fan blades (see Maintenance). Ensure fan is securely mounted. Note that 39 dB(A) is the specified noise level, and tiled rooms can ampllicar el so. |
| Poor air extraction | Blocked ducting Pales del ventilador obstruïdes Esborrany damper stuck | Check ducting for obstructions. Clean fan blades. Inspect backdraft damper for free movement (ensure power is off). |
| El ventilador vibra | Pales del ventilador desequilibrades Muntatge solt | Clean fan blades to remove uneven debris. Tighten mounting screws. |
If the problem persists after attempting these solutions, please contact a qualified electrician or Bosch customer support.
8. Especificacions
Technical data for the Bosch 100mm Bathroom Fan (Model 7738335623).
| Característica | Especificació |
|---|---|
| Marca | Bosch Thermotechnik |
| Número de model | 7738335623 |
| Color | Blanc |
| Dimensions del producte (L x A x A) | 16 x 18 x 16 cm (6.3 x 7.1 x 6.3 polzades) |
| Poder | 13.5 watts |
| Voltage | 230.0 V |
| Material | Plàstic |
| Nombre de velocitats | 1 |
| Nivell de soroll | 39 Decibels (at 3m) |
| Pes de l'article | 500 g (1.1 lliures) |
| Disseny de ventiladors | Ventilador d'extracció |
| Font d'alimentació | Elèctric amb cable |
| Estil | Light Switch Activation |
| Ús recomanat | Interior (bany) |
| Tipus de muntatge | Muntatge de paret |
| Taxa de flux d'aire | 95 m³/h |
9. Informació de la garantia
Bosch products are manufactured to high-quality standards and come with a manufacturer's warranty. Please refer to the warranty card included with your product or visit the official Bosch Thermotechnik website for detailed warranty terms and conditions applicable in your region. Keep your proof of purchase for warranty claims.
10. Suport i contacte
For technical assistance, spare parts, or further inquiries, please contact Bosch customer support. You can find contact details on the official Bosch Thermotechnik weblloc web o a través del vostre distribuïdor local.
Recursos en línia: Visit the Bosch Thermotechnik Store on Amazon