Introduction
This manual provides essential instructions for the safe and efficient operation, maintenance, and troubleshooting of your Dyson Purifier Cool TP4B purifying fan. Please read this manual thoroughly before use and retain it for future reference.
Important Safety Information
- Always unplug the appliance before cleaning or performing maintenance.
- Do not use outdoors or on wet surfaces.
- Keep out of reach of children.
- Use only as described in this manual.
- Do not use with a damaged cord or plug.
- Refer to the full safety guidelines provided in the packaging for comprehensive details.
What's in the Box
Upon unpacking, ensure all components are present:
- Dyson Purifier Cool TP4B purifying fan unit
- Remote control
- HEPA and activated carbon filter (pre-installed or separate)
- User manual (this document)

Image: The Dyson Purifier Cool TP4B purifying fan unit with its accompanying remote control. The fan features a tall, bladeless loop amplifier on a cylindrical base with a perforated grille, and the remote is a small, curved, silver unit with various control buttons.
Setup
- Unpack: Carefully remove all components from the packaging.
- Assemble Filters: If not pre-installed, align and insert the HEPA and activated carbon filter into the base of the unit. Refer to the markings on the filter and unit for correct orientation.
- Secure Base: Ensure the filter cover is securely clicked into place.
- Position: Place the purifier on a firm, level surface, ensuring adequate space around it for optimal airflow.
- Connect Power: Plug the power cord into a suitable electrical outlet.
Operating Instructions
Remote Control Functions
The remote control allows you to manage all functions of your Dyson Purifier Cool TP4B. It is curved and magnetized to store neatly on top of the machine.
- Power Button: Turns the machine on or off.
- Information Button (i): Scrolls through air quality information on the LCD screen.
- Auto Mode Button: Activates automatic purification based on detected air quality.
- Fan Speed Control (+/-): Increases or decreases airflow speed.
- Oscillation Button: Controls the oscillation (swivel) function.
- Night Mode Button (Crescent Moon): Operates with the quietest settings and a dimmed display.
- Direction of Airflow Button: Changes airflow direction (forward for cooling, backward for purification without cooling).
Display Information
The integrated LCD screen displays real-time air quality data, including:
- Particle levels (PM2.5, PM10)
- Volatile Organic Compounds (VOCs)
- Nitrogen Dioxide (NO2)
- Temperature and humidity
- Filter life
Maintenance
Cleaning the Unit
- Wipe the exterior surfaces with a dry or damp cloth. Do not use detergents or polishes.
- Clean the air inlet holes with a soft brush.
- Ensure the unit is unplugged before cleaning.
Filter Replacement
The LCD screen will indicate when the filter needs replacement. Filter life varies based on usage and air quality.
- Unplug the machine.
- Press the filter release buttons on either side of the unit.
- Remove the old filter.
- Insert a new Dyson HEPA and activated carbon filter, ensuring it clicks into place.
- Plug in the machine and reset the filter life counter via the remote or Dyson Link app (if applicable).
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Not plugged in; power outlet fault. | Check power cord connection; test outlet with another device. |
| Poor airflow | Blocked air inlets; dirty filter. | Clean air inlets; replace filter. |
| Remote not working | Batteries depleted; obstruction. | Replace remote batteries; ensure no obstruction between remote and unit. |
| Unusual noise | Obstruction in airflow path; unit not on a level surface. | Check for and remove any obstructions; place on a stable, level surface. |
Specifications
- Model: TP4B
- Item Model Number: 551973-01
- Brand: Dyson
- Dimensions: 8.7"D x 8.7"W x 41.5"H
- Weight: 10.98 pounds
- Wattage: 50 watts
- Filter Type: Certified HEPA and Activated Carbon
- Controller Type: Remote Control
- UPC: 885609036106
Warranty and Support
Dyson products come with a manufacturer's warranty. For specific warranty terms, registration, or technical support, please refer to the warranty card included with your product or visit the official Dyson website. Keep your proof of purchase for warranty claims.
For further assistance, contact Dyson customer support.
