1. Introduction
Thank you for choosing the Vacmaster VQ1115S Wet/Dry Industrial Vacuum Cleaner. This manual provides essential information for the safe operation, maintenance, and troubleshooting of your new appliance. Please read these instructions thoroughly before use and retain them for future reference.
The Vacmaster VQ1115S is a powerful 1100W industrial vacuum cleaner designed for both wet and dry cleaning tasks. It features a durable 15-liter stainless steel tank, a blower function, and a dual-mode floor head for versatile cleaning on various surfaces.
2. Safety Instructions
Always observe basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, or injury.
- Read all instructions: Familiarize yourself with the vacuum cleaner's functions and operating procedures before use.
- Electrical Safety: Ensure the power supply matches the voltage specified on the rating label. Do not use with a damaged cord or plug. Always unplug the vacuum before cleaning or performing maintenance.
- Indoor Use Only: This appliance is designed for indoor use. Do not expose to rain.
- Flammable Materials: Do not vacuum flammable or combustible liquids, hot ashes, or sharp objects.
- Filter Usage: Always use the correct filter for the task (cartridge filter for dry, foam filter for wet). Never operate the vacuum without a filter.
- Supervision: Close supervision is necessary when the appliance is used by or near children.
- Maintenance: Refer to the maintenance section for proper cleaning and care.
3. Package Contents
Carefully unpack your Vacmaster VQ1115S and check that all items listed below are present and undamaged. If any parts are missing or damaged, contact your retailer.

Image 1: Vacmaster VQ1115S Wet/Dry Vacuum Cleaner and included accessories. This image displays the main vacuum unit, three extension tubes, a flexible hose, a dual-mode floor head, a crevice tool, a round cleaning tool, a disposable dust bag, and a foam filter.
- 1 x Vacmaster VQ1115S Vacuum Cleaner Unit
- 1 x Disposable Cartridge Filter (for dry use)
- 1 x Foam Filter (for wet use)
- 1 x Dust Bag (optional for dry use)
- 2 x Extension Tubes
- 1 x Air Flow Control Handle
- 1 x Quick-Lock Hose
- 1 x Dual-Mode Floor Head
- 1 x Crevice Tool
- 1 x Round Cleaning Tool
- 1 x Power Tool Adapter
4. Setup
Follow these steps to assemble your vacuum cleaner before first use.
- Attach Casters: Turn the tank upside down. Insert the casters into the slots on the base until they click into place.
- Install Filter:
- For Dry Vacuuming: Place the disposable cartridge filter over the filter cage. Ensure it is securely seated. For enhanced dust collection, you may also insert the optional dust bag into the tank, ensuring the opening aligns with the hose inlet.
- For Wet Vacuuming: Remove the cartridge filter. Slide the foam filter over the filter cage. Ensure it covers the entire cage.
- Secure Motor Head: Place the motor head onto the tank, aligning the clips. Secure the clips on both sides to lock the motor head in place.
- Connect Hose: Insert the quick-lock hose into the inlet port on the front of the tank and twist to secure.
- Attach Accessories: Connect the air flow control handle to the hose. Then, attach the desired extension tubes and cleaning tool (e.g., dual-mode floor head, crevice tool) to the handle.
5. Operating Instructions
Your Vacmaster VQ1115S is designed for versatile cleaning. Always ensure the correct filter is installed for the task.

Image 2: Vacmaster VQ1115S Wet/Dry Vacuum Cleaner in use, cleaning sawdust from a workshop floor. The image shows the vacuum connected to a hose and extension tube, with the floor head cleaning wood shavings.
5.1 Dry Vacuuming
For dry debris such as dust, dirt, and sawdust, ensure the disposable cartridge filter is installed. An optional dust bag can be used inside the tank for easier disposal of dry debris.
- Ensure the cartridge filter is correctly installed.
- Connect the hose and desired dry cleaning accessories (e.g., dual-mode floor head, crevice tool).
- Plug the power cord into a suitable electrical outlet.
- Turn the vacuum on using the power switch.
- Begin vacuuming. The dual-mode floor head can be switched between carpet and hard floor modes as needed.
- When finished, turn off the vacuum and unplug it.
5.2 Wet Vacuuming
For liquid spills, ensure the foam filter is installed. Never use the cartridge filter for wet vacuuming.
- Remove the cartridge filter and install the foam filter.
- Connect the hose and appropriate wet cleaning accessories.
- Plug the power cord into a suitable electrical outlet.
- Turn the vacuum on using the power switch.
- Begin vacuuming liquids. The vacuum will automatically shut off when the tank is full.
- When finished or when the tank is full, turn off the vacuum and unplug it. Empty the tank using the drain plug at the bottom of the tank.
5.3 Blower Function
The Vacmaster VQ1115S can also function as a powerful blower for clearing debris from workshops or outdoor areas.
- Ensure the tank is empty and clean.
- Remove the hose from the inlet port.
- Insert the quick-lock hose into the blower port located on the motor head and twist to secure.
- Plug the power cord into a suitable electrical outlet.
- Turn the vacuum on using the power switch to activate the blower function.
- When finished, turn off the vacuum and unplug it.
6. Maintenance
Regular maintenance ensures optimal performance and extends the life of your vacuum cleaner.
6.1 Emptying the Tank
- Dry Debris: Unclip the motor head and lift it off. Carefully remove the dust bag (if used) and dispose of its contents. Empty any remaining dry debris from the tank.
- Liquids: For liquids, use the drain plug located at the bottom of the tank. Place a bucket or suitable container beneath the drain plug, then open the plug to empty the liquid.
6.2 Cleaning Filters
- Cartridge Filter (Dry): Tap the filter gently over a waste bin to dislodge dust. For stubborn dirt, rinse under running water and allow to air dry completely before re-installation.
- Foam Filter (Wet): Rinse the foam filter thoroughly under running water. Squeeze out excess water and allow to air dry completely before storage or re-installation.
6.3 General Cleaning and Storage
- Wipe the exterior of the vacuum cleaner with a damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Ensure all components, especially filters and the tank, are dry before storing the vacuum.
- Store the vacuum cleaner in a dry, cool place, away from direct sunlight and extreme temperatures.
7. Troubleshooting
If you encounter issues with your Vacmaster VQ1115S, refer to the following table for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Vacuum does not turn on | No power supply Damaged power cord/plug | Check power outlet and connections Contact qualified service personnel |
| Loss of suction | Clogged hose/accessories Full tank Dirty/incorrect filter Loose connections | Clear obstruction Empty tank Clean or replace filter; ensure correct filter for task Check all hose and accessory connections |
| Motor overheats/shuts off during wet vacuuming | Tank is full | Empty the tank. The vacuum has an automatic shut-off for full tanks. |
| Water leaks from tank | Motor head not properly sealed Drain plug not closed | Ensure motor head clips are securely fastened Check and securely close the drain plug |
If the problem persists after attempting these solutions, please contact Vacmaster customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | VQ1115S |
| Power | 1100 Watts |
| Voltage | 240 Volts |
| Capacity | 15 Liters |
| Noise Level | 70 Decibels |
| Dimensions (L x W x H) | 33 x 44 x 33 cm |
| Weight | 4.2 Kilograms |
| Tank Material | Stainless Steel |
| Special Feature | Blower Function |
9. Warranty and Support
The Vacmaster VQ1115S Wet/Dry Industrial Vacuum Cleaner comes with a 2-year warranty from the date of purchase. This warranty covers manufacturing defects and faulty materials under normal use.
The warranty does not cover:
- Normal wear and tear.
- Damage caused by improper use, neglect, or lack of maintenance.
- Damage caused by unauthorized repairs or modifications.
- Consumable parts such as filters and dust bags.
For warranty claims or technical support, please contact your retailer or the Vacmaster customer service department. Please have your proof of purchase and the product model number (VQ1115S) available when contacting support.







