What Does Self Clean Do on Mini Split?

The self-clean function on a mini-split air conditioner is a powerful feature designed to maintain the cleanliness and efficiency of the indoor unit. This automated cleaning process helps prevent the growth of harmful microorganisms, such as mold and bacteria, while also preventing rusting on the evaporator coil. By regularly activating this function, users can ensure the purity of the air circulating in their homes.

Activating the Self-Clean Function

To activate the self-clean function on a mini-split air conditioner, follow these steps:

  1. Locate the Options Button: On the remote control, press and hold the Options button for at least 3 seconds.
  2. Select the Clean Function: Once the Options menu appears, navigate to the Clean function and select it.
  3. Confirm the Selection: Click the Settings button to confirm your selection and initiate the self-clean process.

During the self-clean cycle, the indoor unit’s display will show the progress of the cleaning. Once the cycle is complete, the air conditioner will automatically turn off.

Canceling the Self-Clean Cycle

what does self clean do on mini splitImage source: Flickr

If you need to cancel the self-clean cycle while it is in progress, simply press the power button on the remote control twice within 20 seconds. This will immediately stop the cleaning process and return the air conditioner to its previous state.

Importance of Regular Cleaning and Maintenance

It’s important to note that the self-clean function is not a substitute for regular cleaning and maintenance of the mini-split system. To keep the air conditioner in optimal condition, it’s recommended to clean the indoor unit, filters, and external exchanger on a regular basis.

Frequency of Self-Clean Usage

The frequency of using the self-clean function can vary depending on the user’s preference and the frequency of use of the air conditioner. Here are some general guidelines:

  • Samsung Recommendation: Samsung recommends using the auto-cleaning function regularly to maintain the purity of the air in your home.
  • Other Recommendations: Some sources suggest using the self-clean function whenever a noticeable odor is detected or every few weeks, depending on the usage patterns.

Preparing for Self-Clean

When using the self-clean function, it’s best to perform it on a mild day if the room being cooled or heated is sensitive to climate changes. Additionally, it’s important to gather the necessary supplies for cleaning the mini-split system, including:

  • Clean, damp cloth
  • Clean, dry cloth
  • Household cleaners
  • Water hose
  • Vacuum with a brush nozzle attachment
  • Coil cleaning tool
  • Cleaning brush
  • Spray bottle
  • Condensate drain pump treatment
  • Condensate drain cleaner

By following these steps and using the appropriate cleaning supplies, you can ensure that your mini-split air conditioner’s self-clean function is effective in maintaining the system’s cleanliness and efficiency.

Technical Details and Specifications

The self-clean function on a mini-split air conditioner typically works by automatically running the indoor unit’s fan and compressor to dry out any moisture or condensation that has accumulated on the evaporator coil and other internal components. This process helps prevent the growth of mold, mildew, and other microorganisms that can thrive in damp environments.

During the self-clean cycle, the air conditioner may also run a series of diagnostic checks to ensure that all components are functioning properly. This can include checking the refrigerant levels, testing the compressor, and verifying the proper operation of the fan and other electrical components.

The duration of the self-clean cycle can vary depending on the specific model and manufacturer, but it typically ranges from 30 minutes to an hour. Some advanced mini-split systems may even offer customizable self-clean settings, allowing users to adjust the duration or frequency of the cleaning process.

It’s important to note that the self-clean function is designed to be a maintenance tool and should not be used as a substitute for more thorough cleaning and maintenance procedures. Regular cleaning of the air filters, coils, and other components is still necessary to ensure the long-term performance and efficiency of the mini-split system.

Conclusion

The self-clean function on a mini-split air conditioner is a valuable feature that helps maintain the cleanliness and efficiency of the indoor unit. By regularly activating this function, users can prevent the growth of harmful microorganisms, reduce the risk of rusting on the evaporator coil, and ensure the purity of the air circulating in their homes.

To use the self-clean function effectively, it’s important to follow the manufacturer’s instructions, gather the necessary cleaning supplies, and perform the cleaning process on a mild day if the room is sensitive to climate changes. By incorporating the self-clean function into your regular maintenance routine, you can enjoy the benefits of a well-maintained and efficient mini-split air conditioning system.

References:

  1. MrCool Advantage Self Clean function – HVAC-Talk: https://hvac-talk.com/vbb/threads/2257551-MrCool-Advantage-Self-Clean-function
  2. What is Self Clean & How to Use it Properly | LG AC Auto Clean – YouTube: https://www.youtube.com/watch?v=NGQJNDrYipE
  3. How often should “self clean” and “allergen clean” functions be used … – DIY Stack Exchange: https://diy.stackexchange.com/questions/28269/how-often-should-self-clean-and-allergen-clean-functions-be-used-in-an-air-c
  4. Cleaning Your Mini-Split: Everything You Should Know – Pioneer Mini Split: https://www.pioneerminisplit.com/blogs/news/cleaning-your-mini-split-everything-you-should-know
  5. How can I use the auto-clean function of my air conditioner? – Samsung: https://www.samsung.com/latin_en/support/home-appliances/how-can-i-use-the-auto-clean-function-of-my-air-conditioner/