1. Introducció
This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your Nilfisk Aero 21 5 Gallon Professional Wet/Dry HEPA Vac. Please read this manual thoroughly before using the appliance and retain it for future reference.
The Nilfisk Aero 21 is a contractor-grade wet/dry vacuum designed for robust performance and durability. It features a low-noise level, a fully-automatic filter cleaning system, and integrated storage for accessories.

Image showing the Nilfisk Aero 21 5 Gallon Professional Wet/Dry HEPA Vac. The blue canister unit is on wheels, with a grey corrugated hose connected to the inlet. A long grey wand with a black floor tool is attached to the end of the hose. The unit features a black top with a power switch and a handle.
2. Informació de seguretat
Sempre observeu les precaucions de seguretat bàsiques quan utilitzeu aparells elèctrics per reduir el risc d'incendi, descàrrega elèctrica o lesions.
- No deixeu l'aparell sense vigilància quan estigui endollat. Desconnecteu-lo de la presa de corrent quan no l'utilitzeu i abans de fer-ne el servei.
- No utilitzeu a l'aire lliure ni sobre superfícies mullades, tret que estigui dissenyat específicament per a aquest ús.
- No permetre que s'utilitzi com a joguina. Cal prestar molta atenció quan l'utilitzen nens o a prop dels nens.
- Feu servir només tal com es descriu en aquest manual. Utilitzeu només els accessoris recomanats pel fabricant.
- No l'utilitzeu amb un cable o un endoll danyats. Si l'aparell no funciona com hauria, s'ha caigut, s'ha fet malbé, s'ha deixat a l'exterior o ha caigut a l'aigua, torneu-lo a un centre de servei.
- No estireu ni porteu el cable, no utilitzeu el cable com a nansa, no tanqueu una porta al cable ni estireu el cable per vores o cantonades afilades. No feu passar l'aparell per sobre del cable. Mantingueu el cable lluny de les superfícies escalfades.
- No desconnecteu estirant del cable. Per desconnectar, agafa l'endoll, no el cable.
- No manipuleu l'endoll o l'aparell amb les mans mullades.
- No introduïu cap objecte a les obertures. No utilitzar amb cap obertura bloquejada; mantenir lliure de pols, pelusa, cabells i qualsevol cosa que pugui reduir el flux d'aire.
- Mantingueu els cabells, la roba solta, els dits i totes les parts del cos lluny de les obertures i les parts mòbils.
- No agafeu res que estigui cremant o fumant, com ara cigarrets, llumins o cendres calentes.
- Tingueu molta cura quan netegeu les escales.
- No l'utilitzeu per recollir líquids inflamables o combustibles, com ara la gasolina, ni l'utilitzeu en zones on puguin estar presents.
- This vacuum is equipped with a Certified HEPA Filter (99.97% @ 0.3 microns) and is suitable for hazardous material collection such as lead, silica, asbestos, and mold. Always follow local regulations and safety guidelines when handling such materials.
3. Contingut del paquet
Verify that all items are present in the packaging before discarding any materials.
- Nilfisk Aero 21 Wet/Dry HEPA Vac Unit
- Mànega d'aspiració
- Extension Wand(s)
- Eina de terra
- Eina per esquerdes
- Eina raspall
- Filtre HEPA (preinstal·lat o separat)
- Synthetic Dust Bag
- Manual d'instruccions
4. Configuració
4.1 Desembalatge
- Traieu amb cura tots els components de l'embalatge.
- Inspect the unit for any signs of damage. Do not operate if damaged.
- Ensure all packing materials are removed from the vacuum's interior.
4.2 Attaching Hose and Accessories
- Insert the large end of the suction hose into the inlet port on the front of the vacuum unit until it clicks securely into place.
- Attach the desired extension wand(s) to the hose handle.
- Connect the appropriate floor tool or accessory (e.g., crevice tool, brush tool) to the end of the extension wand.
4.3 Filter Installation (Dry Operation)
For dry vacuuming, ensure the HEPA filter is correctly installed. The synthetic dust bag should also be used for optimal dry debris collection and filter protection.
- Open the latches and remove the motor head from the canister.
- Ensure the HEPA filter is securely seated over the filter cage.
- Place the synthetic dust bag inside the canister, aligning the opening with the hose inlet.
- Substituïu el capçal del motor i fixeu els pestells.
4.4 Connexió d'alimentació
Connecteu el cable d'alimentació a una presa de corrent amb connexió a terra. Assegureu-vos que el volumtage matches the specifications of the vacuum.
5. Instruccions de funcionament
5.1 Engegada/apagada
Locate the power switch on the top of the motor head. Press the switch to the "I" position to turn the vacuum on, and to the "O" position to turn it off.
5.2 Aspiració en sec
For dry debris, ensure the HEPA filter and synthetic dust bag are installed. This vacuum is suitable for collecting dust, dirt, and fine particles, including hazardous materials like asbestos, silica, and mold, when used with the certified HEPA filter.
5.3 Aspiració humida
For wet spills, remove the synthetic dust bag. The HEPA filter can remain installed as it is designed for wet/dry use, but ensure it is clean and dry before switching back to dry vacuuming. The vacuum will automatically shut off when the liquid reaches its maximum capacity.
5.4 Push & Clean Filter Cleaning System
The "Push & Clean" system helps maintain high suction performance. During dry vacuuming, if suction power decreases, press the "Push & Clean" button (if present, or follow specific instructions for your model's filter cleaning mechanism) to dislodge dust from the filter. This should be done with the vacuum running.
5.5 Blower Port Function
The Nilfisk Aero 21 features a blower port. To use, detach the suction hose from the inlet port and attach it to the blower port located on the rear of the motor head. This function can be used for blowing away debris from hard-to-reach areas or inflating objects.
5.6 Usos recomanats
- Asbestos, Silica, Mold: Use with the certified HEPA filter for safe collection of hazardous dusts.
- Sòl dur: Ideal for cleaning hard surfaces like concrete, tile, and wood.
- Catifa: Effective for general carpet cleaning.
- Mobles: Use appropriate attachments for upholstery and furniture.
- Sòl nu: Suitable for all types of bare flooring.
6. Manteniment
Un manteniment regular garanteix un rendiment òptim i allarga la vida útil de l'aspiradora.
6.1 Emptying the Canister
For dry debris, unlatch the motor head and carefully remove the synthetic dust bag. Dispose of the bag according to local regulations. For wet spills, unlatch the motor head and pour out the liquid into a suitable drain.
6.2 Neteja i substitució del filtre
The HEPA filter should be regularly inspected and cleaned. For dry dust, use the "Push & Clean" system. For more thorough cleaning, remove the filter and gently tap it to dislodge debris. If heavily soiled or damaged, replace the filter with a genuine Nilfisk replacement part. Ensure the filter is completely dry before re-installing for dry vacuuming.
6.3 Cleaning Hose and Accessories
Wipe down the exterior of the vacuum, hose, and accessories with a damp cloth. Do not immerse the motor head in water. Ensure all components are dry before storage.
7. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| L'aspiradora no s'encén. | No power to outlet; Power cord not plugged in; Power switch off; Thermal cut-off activated. | Check power outlet; Plug in power cord securely; Turn power switch to "I"; Allow unit to cool down for 30 minutes. |
| Pèrdua de succió. | Hose or attachment clogged; Canister full; Filter clogged; Hose not securely attached. | Check and clear clogs; Empty canister; Clean or replace filter; Ensure hose is securely connected. Use "Push & Clean" system. |
| Fuites d'aigua de la unitat. | Canister overfilled; Seal not properly seated. | Empty canister; Check and reseat motor head seal. |
| Soroll inusual. | Obstruction in fan or motor; Damaged motor. | Turn off and unplug unit, check for obstructions. If noise persists, contact customer support. |
8. Especificacions
| Característica | Especificació |
|---|---|
| Nom del model | Aero 21 |
| Número de model | 107418440 |
| Capacitat | 5 galons |
| Flux d'aire | 127 CFM |
| Ascensor d'aigua | 84 polzades |
| Wattage | 1000 watts |
| Nivell de soroll | 64 dB(A) |
| Tipus de filtre | Certified HEPA Filter (99.97% @ 0.3 microns) |
| Longitud de la mànega | 11.5 peus |
| Dimensions del producte | 15 x 15 x 20 polzades |
| Pes de l'article | 16.5 lliures |
| Color | Blau |
| Fabricant | Nilfisk Industrial Vacuums |
9. Garantia i Suport
9.1 Informació de la garantia
The Nilfisk Aero 21 5 Gal. Professional Wet/Dry HEPA Vac comes with a 2 any de garantia des de la data de compra. Aquesta garantia cobreix els defectes de materials i de fabricació en condicions d'ús normal. Conserveu el comprovant de compra per a reclamacions de garantia.
9.2 Atenció al client
For technical assistance, troubleshooting not covered in this manual, or warranty inquiries, please contact Nilfisk customer support. Refer to the official Nilfisk weblloc web o l'embalatge del producte per obtenir la informació de contacte més actualitzada.
Manufacturer: Nilfisk Industrial Vacuums