1. Einleitung
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. Sicherheitshinweise
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.
- Generelle Sicherheit: 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.
- Elektrische Sicherheit: Stellen Sie sicher, dass die Stromversorgungslautstärketage 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.
- Ash Vacuuming: 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.
- Nasssaugen: Remove all dry filters (HEPA and pre-filter) before wet vacuuming. Do not vacuum flammable or combustible liquids.
- Persönliche Sicherheit: Keep children and pets away from the appliance during operation. Wear appropriate personal protective equipment, such as safety glasses, if necessary.
- Nutzungsumgebung: Do not use the vacuum cleaner in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust.
3. Packungsinhalt
Verify that all items listed below are included in your package. If any parts are missing or damaged, contact customer support.
- LEHMANN Haddo Industrial Vacuum Cleaner Unit
- Flexible Suction Hose (1.5m)
- Stromkabel (3.5 m)
- Waschbarer HEPA-Filter
- Pre-filter / Foam Filter (for wet vacuuming)
- Bodendüse
- Crevice Tool / Aluminum Nozzles (2 pieces)
- Extension Tubes (Plastic, 3 sections)
- Räder (4 Stück)

Image 3.1: All components included with the LEHMANN Haddo Industrial Vacuum Cleaner.
4. Einrichtung
Befolgen Sie diese Schritte, um Ihren Staubsauger vor dem ersten Gebrauch zusammenzubauen:
- Räder anbringen: Turn the tank upside down. Insert the four wheels into the designated slots on the base of the tank until they click into place.
- Filter installieren:
- 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.
- Schlauch anschließen: 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.
- Zubehör anbringen: 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. Bedienungsanleitung
The LEHMANN Haddo vacuum cleaner offers multiple operating modes:
5.1. Trockensaugen
- Ensure the HEPA filter is correctly installed.
- 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
Wichtig: 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. Nasssaugen
- Entfernen Sie den HEPA-Filter. Install the foam filter (if provided) for wet applications.
- Schließen Sie das Netzkabel an.
- Vakuum einschalten.
- 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. Gebläsefunktion
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.
- Richten Sie den Luftstrom nach Bedarf aus.

Image 5.2: Illustration of the blower function setup.
6. Wartung
Regelmäßige Wartung gewährleistet optimale Leistung und verlängert die Lebensdauer Ihres Staubsaugers.
6.1. Den Tank leeren
- 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.
- Reinigen Sie das Innere des Tanks mit Adamp mit einem sauberen Tuch abwischen.
6.2. Filter reinigen
The HEPA filter is washable. Clean it regularly to maintain suction power.
- 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. Fehlerbehebung
Sollten Sie Probleme mit Ihrem Staubsauger haben, finden Sie in der folgenden Tabelle häufige Probleme und Lösungen:
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Vakuum lässt sich nicht einschalten | Keine Stromversorgung Beschädigtes Netzkabel/Stecker | Stromanschluss und Steckdose prüfen Inspect cord/plug for damage; contact service if damaged |
| Verlust der Saugkraft | Voller Tank Verstopfter Filter Schlauch oder Düse verstopft | Leeren Sie den Tank Reinigen oder ersetzen Sie den Filter Remove any blockages from hose/nozzle |
| Motor overheats / Vacuum shuts off | Verstopfter Filter Blockierter Luftstrom Längerer Gebrauch | Reinigen oder ersetzen Sie den Filter Auf Verstopfungen prüfen und diese beseitigen Allow the vacuum to cool down before resuming use |
| Beim Nasssaugen tritt Wasser aus. | Der Tank ist voll Motor unit not properly sealed Dry filter still installed | Leeren Sie den Tank Ensure clips are fastened and lid is seated correctly Remove HEPA filter; use foam filter for wet applications |
| Übermäßiger Lärm | Normal for industrial vacuum Blockage in hose/nozzle Lose Teile | This model operates at 82 dB Auf Verstopfungen prüfen und diese beseitigen Inspect for any loose components and secure them |
8. Spezifikationen
| Besonderheit | Detail |
|---|---|
| Marke | LEHMANN |
| Modellnummer | LTOVI-1220 |
| Leistung | 2000 Watt |
| Kapazität | 20 Liter |
| Abmessungen (L x B x H) | 33 x 33 x 39 cm |
| Gewicht | 4.7 Kilogramm |
| Material | Metall, Kunststoff |
| Geräuschpegel | 82 Dezibel |
| Filtertyp | HEPA, Washable |
| Besondere Merkmale | Washable Filter, HEPA, Wheels, Blower Function |
| Stromquelle | Kabelgebundene Elektrik |
| Bandtage | 230 Volt |
9. Garantie und Support
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 webBesuchen Sie die Website oder kontaktieren Sie den Kundendienst. Bewahren Sie Ihren Kaufbeleg als Kaufnachweis für Garantieansprüche auf.





