1. Introduction
Thank you for choosing the Electrolux UltraSilencer EUSC66-SB vacuum cleaner. This appliance is designed for efficient and quiet cleaning of your home. Its advanced technology ensures powerful suction with minimal noise, making your cleaning experience more pleasant. This manual provides essential information for the safe and effective use, maintenance, and troubleshooting of your new vacuum cleaner. Please read it thoroughly before first use and keep it for future reference.
2. Safety Information
- Always ensure the voltage indicated on the rating plate corresponds to your mains voltage.
- Do not operate the vacuum cleaner with a damaged cord or plug. If the cord is damaged, it must be replaced by qualified personnel to avoid hazards.
- Do not vacuum water or other liquids, hot ashes, sharp objects, or flammable substances.
- Keep hair, loose clothing, fingers, and all parts of the body away from openings and moving parts.
- Unplug the appliance from the power outlet before cleaning or performing maintenance.
- This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
- Children should be supervised to ensure that they do not play with the appliance.
3. Product Overview
The Electrolux UltraSilencer EUSC66-SB is designed for quiet and effective cleaning. Key components and features include:
- Silent Air Technology: Ensures low noise levels during operation.
- Motion Control System: Provides stable movement and smooth transitions between rooms.
- S-Bag: Optimized dust bag for long-lasting performance without loss of suction.
- HEPA Filter: High-efficiency particulate air filter for superior air filtration.
- Dust Magnet Silent High Nozzle: Standard nozzle for various floor types.
- Parketto Pro Nozzle: Specialized nozzle for hard floors.
- 3-in-1 Nozzle: Versatile tool for crevices, upholstery, and dusting.
Main Unit

Image: Front view of the Electrolux UltraSilencer EUSC66-SB vacuum cleaner.
S-Bag Dust Bag

Image: The S-Bag dust bag, designed for optimal dust distribution and long performance.
Parketto Pro Nozzle

Image: The specialized Parketto Pro nozzle for hard floor cleaning.
3-in-1 Nozzle

Image: The versatile 3-in-1 nozzle for various cleaning tasks.
HEPA Filter

Image: The HEPA filter, crucial for trapping fine dust and allergens.
4. Setup
Follow these steps to prepare your vacuum cleaner for first use:
- Unpack: Carefully remove all components from the packaging. Ensure all parts listed in the product overview are present.
- Attach Hose: Insert the hose into the suction inlet on the main unit until it clicks into place.
- Assemble Telescopic Tube: Connect the telescopic tube to the hose handle. Adjust the length of the tube to a comfortable height by pressing the release button and extending or retracting.
- Attach Nozzle: Connect your desired nozzle (e.g., Dust Magnet Silent High or Parketto Pro) to the end of the telescopic tube.
- Check Dust Bag: Open the dust bag compartment and ensure an S-Bag is correctly inserted. If not, insert a new S-Bag according to the instructions in the Maintenance section.
- Power Connection: Extend the power cord and plug it into a suitable electrical outlet.
5. Operating Instructions
Your Electrolux UltraSilencer is ready for use. Follow these guidelines for optimal cleaning performance:
Powering On and Suction Control
- Press the power button (usually marked with an 'I' or power symbol) on the main unit to turn the vacuum cleaner on.
- Adjust the suction power using the 'min' and 'max' buttons or the rotary control on the main unit, depending on your model. Use lower settings for delicate surfaces and higher settings for heavily soiled areas.
Using Different Nozzles
- Dust Magnet Silent High Nozzle: This general-purpose nozzle is suitable for both hard floors and carpets. It is designed to pick up dust effectively from various surfaces.
- Parketto Pro Nozzle: For optimal cleaning of delicate hard floors such as wood, laminate, or tiles, attach the Parketto Pro nozzle. Its soft bristles protect surfaces while ensuring thorough cleaning.
- 3-in-1 Nozzle: Use the crevice tool for narrow gaps, the upholstery brush for furniture, and the dusting brush for delicate surfaces like shelves or blinds.

Image: User operating the Electrolux UltraSilencer in a bedroom.

Image: Close-up of the nozzle cleaning a hard floor.
Motion Control System and Range
The Motion Control System allows for stable and smooth movement across different floor types and around obstacles. With a 12-meter operating range, you can clean large areas without frequently changing power outlets.

Image: Vacuum cleaner demonstrating its 12-meter operating range in a hallway.
Air Filtration
The UltraSilencer features an advanced filtration system, including a HEPA filter, to capture fine dust particles and allergens, releasing cleaner air back into your home.

Image: Visual representation of the vacuum cleaner's air filtration system.
6. Maintenance
Regular maintenance ensures your Electrolux UltraSilencer performs optimally and extends its lifespan.
Changing the S-Bag Dust Bag
- When the dust bag indicator shows full, or suction power decreases, it's time to change the S-Bag.
- Unplug the vacuum cleaner from the power outlet.
- Open the dust bag compartment cover.
- Carefully remove the full S-Bag by pulling the cardboard collar. The bag will automatically seal to prevent dust leakage.
- Insert a new S-Bag by sliding the cardboard collar into the holder until it clicks into place.
- Close the dust bag compartment cover securely.

Image: The S-Bag dust bag, indicating its replacement.
Cleaning/Replacing Filters
Your UltraSilencer is equipped with a motor filter and a HEPA exhaust filter. Check these filters regularly and replace them as needed.
- Motor Filter: Located behind the dust bag. Check every 5-10 dust bag changes. It can usually be rinsed under lukewarm water and air-dried completely before reinserting.
- HEPA Exhaust Filter: Located at the rear of the vacuum cleaner. Replace approximately once a year or when visibly dirty. Some HEPA filters are washable; refer to the filter's specific instructions.

Image: The HEPA filter, ready for inspection or replacement.
Cleaning Nozzles and Accessories
Remove any tangled hair, threads, or debris from the brushes of the nozzles. You can rinse plastic parts under lukewarm water if necessary, ensuring they are completely dry before reattaching.
7. Troubleshooting
If you encounter issues with your vacuum cleaner, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Vacuum cleaner does not start. | No power supply. | Check if the plug is correctly inserted into the outlet. Check the fuse/circuit breaker. |
| Low suction power. | Full dust bag, clogged filter, or blocked hose/nozzle. | Replace the S-Bag. Clean or replace filters. Check hose and nozzles for blockages and remove them. |
| Unusual noise. | Blockage in the hose/nozzle or foreign object in the fan. | Turn off and unplug the vacuum. Check for and remove any blockages. If the noise persists, contact customer service. |
| Dust escaping from the vacuum. | Dust bag not correctly inserted or damaged, or filters are missing/damaged. | Ensure the S-Bag is correctly inserted and not damaged. Check and replace the motor and HEPA filters if necessary. |
If the problem persists after trying these solutions, please contact Electrolux customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | Electrolux |
| Model Name | EUSC66-SB |
| Power Source | Corded Electric |
| Wattage | 230 Watts |
| Voltage | 230V |
| Filter Type | HEPA Filter |
| Dust Bag Capacity | 3.5 Liters |
| Operating Range | 12 Meters |
| Noise Level | 68 Decibels |
| Item Weight | 7.48 Kilograms |
| Included Components | Dust Magnet Silent high nozzle, Parketto Pro nozzle |
| Color | Blue |
9. Warranty and Support
Electrolux products are manufactured to the highest quality standards and come with a manufacturer's warranty. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Electrolux website.
For technical support, spare parts, or service inquiries, please contact Electrolux customer service. Contact details can typically be found on the Electrolux website or in the documentation provided with your appliance.
Online Support: www.electrolux.com/support







