1. Introduction
This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your VONROC VC504AC 1400W Wet and Dry Vacuum Cleaner. This versatile appliance is designed for various cleaning tasks in homes, garages, and workshops, capable of vacuuming both dry debris and liquids. It features a 20-liter tank, a powerful 1400W motor, a blower function, and an automatic start socket for power tools.
2. Safety Instructions
Always observe basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and personal injury.
- Read all instructions carefully before use.
- Do not use the vacuum cleaner to pick up flammable or combustible liquids, such as gasoline, or use in areas where they may be present.
- Do not vacuum hot ashes, burning cigarettes, or sharp objects.
- Ensure the power cord and plug are undamaged before each use.
- Always unplug the appliance from the power outlet before cleaning, servicing, or when not in use.
- Keep children and unauthorized persons away from the appliance during operation.
- Use only manufacturer-recommended attachments and filters.
- Do not immerse the motor head in water or other liquids.
3. Package Contents
Verify that all items are present upon unpacking. If any parts are missing or damaged, contact VONROC customer support.

Image: The VONROC VC504AC vacuum cleaner shown with its complete set of accessories, including various nozzles, hose, extension tubes, and filters.
- VONROC VC504AC Wet and Dry Vacuum Cleaner
- 3-meter suction hose
- 6-meter power cable (integrated)
- Floor nozzle
- Car nozzle
- Crevice nozzle
- Furniture nozzle
- Power tool adapter
- HEPA filter (for dry vacuuming)
- Foam filter (for wet vacuuming)
- Dust bag
- Extension tubes (3 pieces)
4. Setup
Before first use, assemble the vacuum cleaner and install the appropriate filter for your cleaning task.
4.1 Assembling the Hose and Nozzles
- Connect the flexible suction hose to the intake port on the front of the vacuum cleaner. Ensure it clicks securely into place.
- Attach the desired extension tubes to the end of the hose.
- Select the appropriate nozzle (floor, car, crevice, or furniture) and attach it to the end of the extension tubes or directly to the hose.
4.2 Filter Installation
The correct filter must be installed for either wet or dry vacuuming.

Image: The left side shows the foam filter for wet vacuuming, while the right side shows the HEPA filter for dry vacuuming. Ensure the correct filter is installed for the task.
For Dry Vacuuming:
- Ensure the HEPA filter is securely installed over the motor unit.
- For fine dust, it is recommended to also use a dust bag inside the tank.
For Wet Vacuuming:
- Remove the HEPA filter and any dust bag.
- Install the foam filter over the motor unit. This filter protects the motor from liquids.
5. Operating Instructions
Familiarize yourself with the different functions of your VONROC VC504AC vacuum cleaner.

Image: Labeled diagram illustrating key features of the VC504AC, including the 20L stainless steel tank, 1400W power, blower function, and auto-start socket.
5.1 Dry Vacuuming
- Ensure the HEPA filter is correctly installed and, if desired, a dust bag is in place.
- Connect the hose and appropriate nozzle.
- Plug the power cable into a suitable electrical outlet.
- Switch the vacuum cleaner ON using the power switch.
- After use, switch OFF the vacuum cleaner and unplug it.
5.2 Wet Vacuuming
- Ensure the foam filter is correctly installed and the dust bag is removed.
- Connect the hose and appropriate nozzle for liquids.
- Plug the power cable into a suitable electrical outlet.
- Switch the vacuum cleaner ON using the power switch.
- The vacuum cleaner will automatically stop suction when the tank reaches its maximum liquid capacity. Switch OFF and empty the tank immediately.
- After use, switch OFF the vacuum cleaner, unplug it, and empty/clean the tank.
5.3 Blower Function
The vacuum cleaner can also be used as a blower to clear debris from surfaces or dry wet areas.
- Connect the suction hose to the blower port, typically located on the exhaust side of the motor head.
- Plug the power cable into a suitable electrical outlet.
- Switch the vacuum cleaner ON.
- Direct the hose towards the area you wish to blow clean.
- After use, switch OFF the vacuum cleaner and unplug it.
5.4 Automatic Start Socket (2000W)
The integrated auto-start socket allows you to connect power tools, and the vacuum cleaner will automatically start when the tool is activated.

Image: A close-up view of the auto-start socket on the vacuum cleaner, demonstrating a power tool connected for synchronized operation.
- Plug your power tool (e.g., saw, sander, drill) into the auto-start socket on the vacuum cleaner. The socket supports tools up to 2000W.
- Connect the vacuum cleaner's power cable to a suitable electrical outlet.
- Set the vacuum cleaner's power switch to the 'AUTO' position (if available) or simply turn it ON.
- When you switch on your connected power tool, the vacuum cleaner will automatically start. When the tool is switched off, the vacuum cleaner will continue to run for a short period to clear any remaining dust from the hose, then switch off.
- After use, switch OFF the vacuum cleaner and unplug it.
6. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your vacuum cleaner.
6.1 Cleaning the Tank
- After each use, especially after wet vacuuming, empty the tank.
- Rinse the tank with water to remove any residue and allow it to air dry completely before storing.
6.2 Filter Cleaning and Replacement
Filters should be cleaned regularly and replaced when heavily soiled or damaged.

Image: A close-up of the filter cleaning button, which can be used to dislodge dust from the filter during dry vacuuming.
HEPA Filter (for Dry Vacuuming):
- Tap the filter gently to dislodge accumulated dust. A filter cleaning button may be available on your model for this purpose.
- For thorough cleaning, brush off dust or use compressed air. Do not wash the HEPA filter with water unless specified by the manufacturer.
- Replace the HEPA filter if it is torn, damaged, or if suction power significantly decreases even after cleaning.
Foam Filter (for Wet Vacuuming):
- Rinse the foam filter thoroughly with clean water.
- Allow the filter to air dry completely before reinstalling or storing.
7. Troubleshooting
If you encounter problems with your vacuum cleaner, refer to the following table for common issues and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Vacuum does not start | No power supply; Power switch OFF; Faulty power cable/plug | Check power outlet; Ensure switch is ON; Inspect cable/plug for damage, contact service if damaged |
| Low suction power | Clogged hose/nozzle; Full dust bag/tank; Dirty filter; Incorrect filter for task | Clear blockages; Empty dust bag/tank; Clean or replace filter; Install correct filter (HEPA for dry, foam for wet) |
| Water leaks from tank | Tank not properly sealed; Tank overfilled; Damaged tank | Ensure tank lid is securely fastened; Do not overfill tank (automatic shut-off should prevent this); Inspect tank for cracks, contact service if damaged |
| Motor overheats | Blocked airflow; Prolonged heavy use | Check for and clear any blockages in hose or filters; Allow vacuum to cool down before resuming use |
8. Specifications
Technical data for the VONROC VC504AC Wet and Dry Vacuum Cleaner.

Image: The VC504AC vacuum cleaner with its dimensions indicated: 52 cm height, 36 cm width, and 37 cm depth.
| Feature | Specification |
|---|---|
| Model Number | VC504AC |
| Brand | VONROC |
| Power | 1400 Watts |
| Voltage | 1400 Volts |
| Tank Capacity | 20 Liters |
| Suction Force | ≥ 20 kPa |
| Hose Length | 3 meters |
| Power Cable Length | 6 meters |
| Auto-Start Socket Max Power | 2000 Watts |
| Dimensions (L x W x H) | 38 x 37 x 46 cm |
| Weight | 8.86 Kilograms |
| Special Features | Wet/Dry function, Blower function, Auto-start power socket |
9. Warranty and Support
Your VONROC VC504AC Wet and Dry Vacuum Cleaner comes with a 2-year warranty from the date of purchase. This warranty covers manufacturing defects and material faults under normal use.
For warranty claims, technical assistance, or to purchase replacement parts, please contact VONROC customer support through their official website or your retailer. Please have your model number (VC504AC) and proof of purchase readily available.





