1. Sarrera
The Alen BreatheSmart 75i HEPA Air Purifier is designed to provide clean, fresh air in large spaces up to 2800 sq ft. It features a high-efficiency fan, quiet motor, and advanced medical-grade filtration to capture particles as small as 0.1 micron. The SmartSensor technology automatically adjusts fan speed based on air quality, providing real-time feedback.

Image: Alen BreatheSmart 75i Air Purifier in a modern living room, demonstrating its aesthetic integration.
2. Konfigurazioa
Your Alen BreatheSmart 75i comes ready for use with a Fresh HEPA filter pre-installed. Follow these steps for initial setup:
- Desegin: Kontu handiz atera aire-arazgailua bere paketetik.
- Lekua: Place the unit on a flat, stable surface in your desired room. Ensure there is adequate space around the air intake and outlet for optimal airflow.
- Potentzia-konexioa: Entxufatu korronte-kablea entxufe elektriko estandar batean.
- Piztu: Sakatu kontrol-paneleko pizteko botoia unitatea pizteko.

Irudia: Leherketa bat view of the Alen BreatheSmart 75i, illustrating its internal components including the fan and filter, highlighting its modular design for easy maintenance.
3. Funtzionamendu-argibideak
The BreatheSmart 75i features an intuitive control panel and smart functions for effortless air purification.
- Pizteko botoia: Press the central power button to turn the unit on or off. The color of the ring around the power button indicates the current air quality.
- Airearen kalitatearen adierazlea: The LED ring changes color to reflect air quality:
- Urdina: Airearen kalitate bikaina.
- Berdea: Airearen kalitate ona.
- Laranja: Moderate particle presence.
- Gorria: High particle presence.
- Morea: Very high particle presence.
- Abiadura kontrola: Manually adjust the fan speed using the 'Speed' button. There are multiple speed settings.
- Modu automatikoa: Activate 'Auto' mode for automatic fan speed adjustment based on real-time air quality readings from the SmartSensor. This ensures optimal purification without constant manual intervention.
- Tenporizadorea: Use the 'Timer' button to set the unit to operate for a specific duration (e.g., 2, 4, 8, 12 hours) before automatically turning off.
- Blokeatu eginbidea: The 'Lock' button prevents accidental changes to settings, useful in households with children or pets.
- Ionizatzailea: The 'Ionizer' button activates or deactivates the ionizer function, which helps to clump particles together for easier capture by the filter.
Video: Official Alen BreatheSmart 75i Air Purifier overview, demonstrating its features and quiet operation. This video highlights the unit's design, smart sensors, and filter options.

Image: A smartphone displaying the Alen Air app interface, showing real-time air quality data, particle levels, VOCs, CO2, temperature, and humidity, along with device controls.
4. Mantentzea
Regular filter replacement is crucial for maintaining optimal performance of your Alen BreatheSmart 75i. The filter typically lasts between 12 to 15 months, depending on usage and air quality.
- Iragazkien adierazlea: The 'Filter' light on the control panel will illuminate when it's time to replace the filter.
- Iragazkia ordezkatzea:
- Gently pull the front cover off the unit. It is held by magnets and will detach easily.
- Locate the used filter inside the unit.
- Pull the filter out using the designated tabs. Dispose of the old filter responsibly.
- Insert the new Alen Fresh HEPA filter, ensuring it is oriented correctly (usually indicated by an arrow or 'FRONT' label).
- Reattach the front cover by aligning it with the unit and allowing the magnets to secure it. The unit will automatically power on.
- Iragazki motak: The BreatheSmart 75i supports various filter types to address specific air quality concerns:
- Pure (Essential): Ideal for allergens, dust, mold, bacteria, and viruses.
- Fresh (Advanced): Ideal for wildfire smoke, secondhand smoke, chemicals, and VOCs. (This is the filter included with your unit).
- Odor (Ultimate): Ideal for stubborn household odors, pet dander, allergens, dust, mold, bacteria, and viruses.
Video: A user demonstrates the ease of filter replacement for the Alen BreatheSmart 75i. The video shows how to remove the front panel, extract the old filter, and insert a new one, highlighting the simplicity of the process.

Image: A visual guide detailing the Fresh (Advanced) filter, explaining its effectiveness against pet fur, dander, VOCs, dust, smoke, and household odors.
5. Arazoak
If you encounter any issues with your Alen BreatheSmart 75i, please refer to the following common solutions or contact Alen customer support.
- Unitatea ez pizten: Ensure the power cord is securely plugged into both the unit and a working electrical outlet. Check if the front panel is correctly attached.
- Reduced Airflow/Effectiveness: The filter may be clogged or due for replacement. Check the filter indicator light. Ensure the unit is not obstructed.
- Ezohiko zaratak: Check for any foreign objects inside the unit or if the filter is improperly seated.
- Usain iraunkorrak: If using a Fresh or Pure filter, consider switching to an Odor filter for enhanced odor removal. Ensure the filter is not expired.
6. Zehaztapenak
| Ezaugarri | Xehetasuna |
|---|---|
| Marka | Alen |
| Modelo zenbakia | Arnastu Smart 75i_V2 |
| Kolorea | Zuria |
| Produktuaren neurriak | 11.5" L x 18.5" W x 27" H |
| Elementuaren pisua | 27 kilo |
| Solairuaren Estaldura | Gehienez 2800 oin karratu |
| Zarata Maila | 49 dezibelio (gehienez) |
| Partikula atxikipen-tamaina | 0.1 Mikrometroa |
| Iragazki klasea | HEPA |
| Wattage | 45 watt |
| Kontrolagailu mota | Button Control, Android, iOS App |
| Ezaugarri Berezia | Programmable, SmartSensor |
| Dakarten osagaiak | Air Purifier, Fresh HEPA Filter, Quick Start Guide |
| Ziurtagiriak | CARB Certified, Energy Star Certified |
7. Bermea eta laguntza
Alen stands behind the quality of its products with a comprehensive warranty program.
- Betiko bermea: With product registration and active air filter subscription or proof of filter purchase every 12 months (up to 15 months for 75i), your Alen BreatheSmart 75i is covered by an industry-leading Forever Guarantee. This means if anything ever goes wrong with your unit, Alen will replace it.
- Bezeroarentzako laguntza: For any questions, troubleshooting assistance, or warranty claims, please contact Alen customer support directly.