How to Clean Blower Wheel on Fujitsu Mini Split: A Comprehensive Guide


Maintaining the cleanliness of the blower wheel on your Fujitsu mini split is crucial for optimal performance and energy efficiency. This comprehensive guide will walk you through the step-by-step process of accessing, removing, cleaning, and reassembling the blower wheel, ensuring your HVAC system operates at its best. We’ll also highlight the importance of using industry-leading tools and techniques to achieve thorough and efficient results.

Accessing the Indoor Unit

how to clean blower wheel on Fujitsu mini splitImage source: Fujitsu AC by Dinkun Chen

  1. Removing the Front Cover: Begin by locating the front cover of the indoor unit. Depending on the model, you may need to press down on the clips or remove screws to detach the cover.
  2. Exposing the Horizontal Vanes: Slide the horizontal vanes out from the bottom of the unit by pressing the tabs and sliding them to the right.
  3. Accessing the Phillips Head Screws: Remove the three small plastic clips to expose the Phillips head screws. Unscrew these screws to slide the bottom out and remove the face.

Releasing the Drain Pan

  1. Removing the Drain Pan: Release the drain pan so that it can be slid out of the way. Before doing so, ensure that you have removed any water from the pan to prevent spills.

Accessing the Blower Wheel

  1. Removing the Coil: To access the blower wheel, you will need to remove the set screw and the screws along the side to move the coil out of the way. This will allow you to pull the blower wheel out.

Cleaning the Blower Wheel

  1. Cleaning the Blower Wheel: Clean the blower wheel outside the unit using a hose. If necessary, use a mild, safe cleaner like Refrigeration Technologies Viper EVAP+ to tackle any stubborn dirt or grime. Allow the blower wheel to dry fully before reassembling the unit.

Reassembling the Unit

  1. Reinstalling the Blower Wheel: Once the blower wheel is dry, insert it back into the unit and reverse all the steps you took to remove it.

Industry-Leading Tools for Efficient Cleaning

When cleaning the blower wheel, it’s crucial to use industry-leading tools like the Turbo Tank by Nu-Calgon and the Viper Coil Cleaner by Refrigeration Technologies. These tools are specifically designed to tackle stubborn dirt and grime in HVAC systems, ensuring thorough and efficient results.

The Turbo Tank by Nu-Calgon is a powerful cleaning tool that uses a high-pressure stream of cleaning solution to dislodge and remove even the most stubborn buildup. Its ergonomic design and adjustable nozzle make it easy to reach and clean the blower wheel effectively.

The Viper Coil Cleaner by Refrigeration Technologies is a non-toxic, biodegradable cleaner that is safe for use on HVAC components. Its unique formula penetrates deep into the blower wheel, breaking down and dissolving dirt, dust, and other contaminants for easy removal.

Additional Resources

For further information and visual guidance, check out the following resources:

  1. Deep cleaning Fujitsu mini split heat pump – YouTube
  2. Fujitsu mini-split heat pump cleaning question – Reddit
  3. Highwall Ductless Blower Wheel Cleaning – YouTube

By following the step-by-step instructions and utilizing industry-leading tools, you can effectively clean the blower wheel on your Fujitsu mini split, ensuring optimal performance and energy efficiency for your HVAC system.