1. Introduction
The LEHMANN Haddo Industrial Vacuum Cleaner 2000W is a versatile cleaning device designed for various tasks in industrial settings, workshops, and construction sites. It functions as a wet vacuum, ash vacuum, and dry vacuum, offering comprehensive cleaning capabilities. Equipped with a powerful 2000W motor and an efficient double filtration system, including a washable HEPA filter, it ensures strong suction and reliable impurity retention. Its 20-liter stainless steel tank provides extended operation without frequent emptying, and the integrated blower function adds to its utility for tasks like clearing leaves or inflating items. Mobility is enhanced by wheels, a 1.5m metallic hose, and a 3.5m power cable.

Image 1.1: The LEHMANN Haddo Industrial Vacuum Cleaner in a home setting, demonstrating its compact design and readiness for use.
2. Consignes de sécurité
Please read all safety warnings and instructions carefully before using this appliance. Failure to follow the warnings and instructions may result in electric shock, fire, and/or serious injury.
- Sécurité générale: Always disconnect the vacuum cleaner from the power supply before cleaning, servicing, or performing any maintenance. Do not operate the vacuum cleaner with a damaged cord or plug.
- Sécurité électrique : Assurer l'alimentation voltage matches the rating label on the appliance. Do not use the vacuum cleaner in wet conditions or immerse it in water. Keep the power cord away from heat, sharp edges, and moving parts.
- Aspirateur à cendres : Only vacuum COLD ASHES. Hot ashes or embers can cause fire and damage the vacuum cleaner. Ensure ashes have been completely extinguished and cooled for at least 24 hours.
- Aspiration humide : Remove all dry filters (HEPA and pre-filter) before wet vacuuming. Do not vacuum flammable or combustible liquids.
- Sécurité personnelle : Keep children and pets away from the appliance during operation. Wear appropriate personal protective equipment, such as safety glasses, if necessary.
- Environnement d'utilisation: Do not use the vacuum cleaner in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust.
3. Contenu du colis
Veuillez vérifier que tous les éléments énumérés ci-dessous sont inclus dans votre colis. Si des pièces sont manquantes ou endommagées, veuillez contacter le service client.
- LEHMANN Haddo Industrial Vacuum Cleaner Unit
- Tuyau d'aspiration flexible (1.5 m)
- Câble d'alimentation (3.5 m)
- Filtre HEPA lavable
- Pre-filter / Foam Filter (for wet vacuuming)
- Buse de sol
- Crevice Tool / Aluminum Nozzles (2 pieces)
- Extension Tubes (Plastic, 3 sections)
- Roues (4 pièces)

Image 3.1: All components included with the LEHMANN Haddo Industrial Vacuum Cleaner.
4. Installation
Suivez ces étapes pour assembler votre aspirateur avant la première utilisation :
- Fixez les roues : Turn the tank upside down. Insert the four wheels into the designated slots on the base of the tank until they click into place.
- Installer des filtres :
- For dry vacuuming (including ash): Place the pre-filter (if provided) over the motor unit, then securely attach the HEPA filter. Ensure it is properly seated to prevent dust from entering the motor.
- For wet vacuuming: Remove the HEPA filter. Only use the foam filter (if provided) for wet applications.
- Secure Motor Unit: Place the motor unit (lid) onto the tank. Fasten the metal clips on both sides of the tank to secure the lid firmly.
- Raccorder le tuyau : Insert one end of the flexible suction hose into the suction inlet on the front of the motor unit. Twist clockwise to lock it in place.
- Fixez les accessoires : Connect the desired extension tubes and nozzle (floor nozzle, crevice tool) to the other end of the flexible hose.

Image 4.1: Visual guide for filter installation, hose connection, and securing the tank.
5. Mode d'emploi
The LEHMANN Haddo vacuum cleaner offers multiple operating modes:
5.1. Aspirateur à sec
- Assurez-vous que le filtre HEPA est correctement installé.
- Connect the power cable to a suitable electrical outlet (230V).
- Press the ON/OFF switch located on the top of the motor unit to start the vacuum.
- Guide the nozzle over the dry debris or dust to be vacuumed.
- After use, switch off the vacuum and unplug it from the power supply.
5.2. Ash Vacuuming
Important: Only vacuum COLD ASHES. Vacuuming hot ashes can cause severe damage to the appliance and pose a fire hazard.
- Ensure ashes are completely cold (wait at least 24 hours after a fire).
- Use the appropriate nozzle (e.g., crevice tool or aluminum nozzle) for ash collection.
- Proceed with vacuuming as described for dry vacuuming.
- Regularly check and empty the tank, as ash can quickly fill the capacity.

Image 5.1: The vacuum cleaner performing various cleaning tasks, including ash removal.
5.3. Aspirateur à eau
- Retirez le filtre HEPA. Install the foam filter (if provided) for wet applications.
- Branchez le câble d'alimentation.
- Allumez l'aspirateur.
- Vacuum liquids. The float mechanism inside the tank will automatically stop suction when the tank is full to prevent overflow.
- After the float stops suction, switch off the vacuum, unplug it, and empty the tank immediately.
5.4. Fonction du ventilateur
The vacuum cleaner can also be used as a blower for clearing leaves or inflating items.
- Disconnect the suction hose from the suction inlet.
- Connect the hose to the exhaust port located on the top of the motor unit.
- Connect the power cable and switch on the vacuum. Air will now be expelled through the hose.
- Direct the airflow as needed.

Image 5.2: Illustration of the blower function setup.
6. Entretien
Un entretien régulier garantit des performances optimales et prolonge la durée de vie de votre aspirateur.
6.1. Vidange du réservoir
- Switch off the vacuum cleaner and unplug it from the power supply.
- Unfasten the metal clips on the sides of the tank and carefully lift off the motor unit.
- Remove any filters.
- Empty the contents of the tank into an appropriate waste receptacle.
- Nettoyer l'intérieur du réservoir avec de l'annonceamp chiffon si nécessaire.
6.2. Nettoyage des filtres
Le filtre HEPA est lavable. Nettoyez-le régulièrement pour maintenir la puissance d'aspiration.
- Remove the HEPA filter from the motor unit.
- Gently tap the filter to dislodge loose dust and debris.
- Rinse the HEPA filter under cold running water until the water runs clear. Do not use hot water or detergents.
- Allow the filter to air dry completely (at least 24 hours) before re-installing it. Do not use the vacuum with a wet filter.
- If using a foam filter for wet vacuuming, rinse it with water and allow it to air dry.

Image 6.1: Detail of the HEPA filter, emphasizing its importance for clean air.
7. Dépannage
Si vous rencontrez des problèmes avec votre aspirateur, consultez le tableau suivant pour connaître les problèmes courants et leurs solutions :
| Problème | Cause possible | Solution |
|---|---|---|
| L'aspirateur ne s'allume pas | Pas d'alimentation électrique Cordon d'alimentation/prise endommagés | Vérifiez la connexion électrique et la prise Inspect cord/plug for damage; contact service if damaged |
| Perte de puissance d'aspiration | Réservoir plein Filtre bouché Tuyau ou buse bouché | Vider le réservoir Nettoyer ou remplacer le filtre Remove any blockages from hose/nozzle |
| Motor overheats / Vacuum shuts off | Filtre bouché Flux d'air bloqué Utilisation prolongée | Nettoyer ou remplacer le filtre Vérifier et éliminer les obstructions Allow the vacuum to cool down before resuming use |
| Fuites d'eau lors du passage de l'aspirateur à eau | Réservoir est plein Motor unit not properly sealed Dry filter still installed | Vider le réservoir Ensure clips are fastened and lid is seated correctly Remove HEPA filter; use foam filter for wet applications |
| Bruit excessif | Normal for industrial vacuum Obstruction du tuyau/de la buse Pièces détachées | This model operates at 82 dB Vérifier et éliminer les obstructions Inspect for any loose components and secure them |
8. Spécifications
| Fonctionnalité | Détail |
|---|---|
| Marque | LEHMANN |
| Numéro de modèle | LTOVI-1220 |
| Pouvoir | 2000 watts |
| Capacité | 20 litres |
| Dimensions (L x l x H) | 33 x 33 x 39 cm |
| Poids | 4.7 kilogrammes |
| Matériel | Métal, plastique |
| Niveau de bruit | 82 décibels |
| Type de filtre | HEPA, Washable |
| Caractéristiques spéciales | Washable Filter, HEPA, Wheels, Blower Function |
| Source d'énergie | Électrique avec fil |
| Voltage | 230 volts |
9. Garantie et assistance
This LEHMANN Haddo Industrial Vacuum Cleaner comes with a standard manufacturer's warranty. For specific warranty details, including duration and coverage, please refer to the warranty card included in your product packaging or contact LEHMANN customer support directly.
For technical assistance, spare parts, or any other inquiries, please visit the official LEHMANN webConsultez leur site web ou contactez leur service client. Conservez votre reçu d'achat comme preuve d'achat pour toute réclamation au titre de la garantie.