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

Maintaining the efficiency and longevity of your Senville mini split system is crucial, and one key component that requires regular attention is the blower wheel. This comprehensive guide will walk you through the advanced steps to thoroughly clean the blower wheel on your Senville mini split, ensuring optimal performance and air quality.

Preparing for the Cleaning Process

Before you begin, ensure you have the necessary tools and materials on hand, including a screwdriver set, tweezers or needle-nose pliers, a soft-bristled paintbrush, a bowl of mild soapy water, and clean, dry towels.

Safety Precautions

  • Disconnect the power supply to the mini split unit before starting any work to prevent electrical hazards.
  • Wear protective gloves and eyewear to safeguard against any debris or sharp edges.
  • Work in a well-ventilated area to minimize the risk of inhaling dust or particles.

Accessing the Blower Wheel

how to clean blower wheel on Senville mini split

  1. Remove the Cover
  2. Locate the three screws holding the cover in place and unscrew them using the appropriate screwdriver.
  3. Gently lift the unit up and pull it out by removing the clips on the top and bottom of the cover.
  4. Disconnect the Wires
  5. Carefully disconnect the two wires attached to the unit: the thermostat wire and the control wire.
  6. Note the positions of the wires to ensure proper reassembly later.
  7. Remove the Louver and Deflector
  8. Unscrew the single screw holding the louver and control motor in place.
  9. Use tweezers or needle-nose pliers to remove the deflector and the small pivot pin.
  10. Access the Blower Wheel
  11. Remove the wire guard by pulling the pins on each end.
  12. If present, remove the object upholding the wire guard using the appropriate tool.

Cleaning the Blower Wheel

  1. Clean the Blower Wheel
  2. Use a soft-bristled paintbrush to gently clean the fan blades, ensuring you reach between the blades to remove any accumulated dust or debris.
  3. For tougher grime, prepare a bowl of mildly soapy water and use a clean, damp towel to wipe down the blower wheel, taking care to prevent any water from entering the unit.
  4. Thoroughly dry the blower wheel with a clean, dry towel before proceeding to the reassembly stage.

Reassembling the Mini Split Unit

  1. Reassemble the Unit
  2. Once the blower wheel is clean and dry, reassemble the unit in reverse order.
  3. Reconnect the wires, ensuring they are securely fastened in their original positions.
  4. Reattach the louver and deflector, and secure the wire guard in place.
  5. Replace the cover and secure it with the three screws.

Enhancing the Cleaning Process

To further improve the cleaning process and ensure thorough results, consider using industry-leading tools such as:

  • Turbo Tank by Nu-Calgon: This specialized tool can help remove stubborn dirt and grime from the blower wheel and other components, ensuring a more comprehensive clean.
  • Viper Coil Cleaner by Refrigeration Technologies: This coil cleaner can effectively dissolve and remove built-up dirt, dust, and debris, complementing the manual cleaning process.

By incorporating these tools into your cleaning routine, you can achieve a deeper, more efficient clean, ultimately extending the lifespan and performance of your Senville mini split system.

Remember, regular maintenance and cleaning of the blower wheel are essential for maintaining optimal airflow, energy efficiency, and indoor air quality. By following these advanced steps, you can ensure your Senville mini split continues to operate at its best for years to come.


  1. Senville Mini Split Blower Wheel Cleaning
  2. Senville Mini Split Disassembly and Cleaning
  3. Senville Mini Split Maintenance and Cleaning