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How To Properly Clean A Mitsubishi Mini-Split System

How To Properly Clean A Mitsubishi Mini-Split System

If you’re searching for instructions on how to clean your Mitsubishi mini-split system, you’re in the right place! We’ve conducted thorough research and consulted experts to provide you with a step-by-step guide.

Here’s a detailed procedure for cleaning your Mitsubishi mini-split system:

  1. Remove the front panel and louvers.
  2. Take out the filters and cover.
  3. Loosen the screw inside the blower wheel.
  4. Unfasten the remaining screws and remove the blower wheel.
  5. Clean the front panel, filters, and blower wheel.
  6. Clean the main body.
  7. Reinstall all the parts.

Proper maintenance and cleaning will ensure the efficiency and longevity of your air conditioning unit. If you need further clarification on the steps or have any frequently asked questions, continue reading as we provide additional information.

Cleaning Steps For A Mitsubishi Mini-Split System

Mitsubishi mini-split air-conditioners are compact and efficient cooling systems used to regulate individual room temperatures. They consist of an indoor air-handling unit and an outdoor compressor/condenser, similar to most central systems.

In this guide, we will focus on cleaning the indoor air-handling unit of your Mitsubishi mini-split system. Before you begin, gather the necessary tools, including a bucket, Phillips and flathead screwdrivers, clean towels, an evaporator coil cleaner, a vacuum cleaner, and a mild detergent.

Ensure your safety by using a metal ladder and taking necessary precautions, such as unplugging the power supply, switching off the breaker, and avoiding direct contact with metal parts.

Step 1: Remove the Front Panel and Louvers
Lift the front panel until you hear a “click” and gently remove it. Slide the middle and left side clips of the louvers to the right to detach them, being cautious to prevent any damage.

How To Properly Clean A Mitsubishi Mini-Split System

Step 2: Remove Filters and Cover
Detach the filters from the hinges and slide them down to remove. To take off the cover, use a flathead screwdriver to remove the tabs on the side edges. Unfasten the screws located beneath the tabs using a Phillips head screwdriver. Finally, remove the cover.

Step 3: Loosen the Screw Inside the Blower Wheel
Locate the screw on the right side of the blower wheel opening and loosen it with a Phillips head screwdriver, but don’t completely remove it.

Step 4: Unfasten Other Screws and Remove the Blower Wheel
Unfasten the three screws on the left side of the unit’s body. Carefully pull the drain pan below the evaporator and use a towel to catch any dripping water. Remove the blower wheel by pulling out the evaporator.

Step 5: Clean the Front Panel, Filters, and Blower Wheel
When cleaning the front panel, filters, and blower wheel, avoid using abrasive brushes or hard sponges. Do not use cleaning products with ingredients like polishing powder, insecticides, benzene, or thinner. Instead, use diluted mild detergents if necessary.

How To Properly Clean A Mitsubishi Mini-Split System

Use a damp towel to wipe the front panel and louvers. Do not rinse or soak the horizontal louvers. Clean the Nano Platinum filter every two weeks with a vacuum cleaner or by rinsing it with water and drying it in shade. The blue air-cleaning filter should be cleaned every three months using a vacuum cleaner or by soaking and rinsing it in lukewarm water.

To maintain good air quality, replace the air-cleaning filter annually. The deodorizing filter, indicated by its black color, should be cleaned every three months using a vacuum cleaner or by soaking it and its frame in lukewarm water.

Regularly cleaning your filters is important as dirty filters can cause condensation and mold growth. Clogged filters also hinder proper airflow, resulting in higher energy consumption.

After cleaning the filters, spray a diluted mild detergent on the blower wheel, let it sit for 5-10 minutes, and then rinse it. Dry the blower wheel in shade.

Step 6: Clean the Main Body
Install the cleaning cover on the main body to prevent water splashes or dripping during cleaning. Place the hose that comes with the cleaning cover inside a bucket. Spray an evaporator coil cleaner on the coils, let it sit for a few minutes until the foam dissolves, and then rinse the coils. Allow the coils to dry.

Step 7: Reinstall All Parts
Wait until all the parts are completely dry, and then reinstall them following the reverse order of removal.

Efficiency Of Mitsubishi Mini-Split Systems

Mitsubishi mini-split systems are highly energy-efficient, consuming 25% to 50% less energy compared to typical central air conditioning systems. These systems are ductless and deliver air directly to individual rooms, maximizing energy efficiency by 25%.

The ability to adjust speed and maintain a consistent temperature eliminates the need to frequently turn the unit on and off, reducing energy consumption.

Cost Of Ductless Air Conditioning Systems

The cost of a ductless air conditioning system varies based on factors such as model, system capacity, and brand. On average, prices range from $1,500 to $5,000, depending on the horsepower.

Lifespan Of Mini-Split Systems

How To Properly Clean A Mitsubishi Mini-Split System

The lifespan of a Mitsubishi mini-split system depends on factors like environmental conditions, usage, maintenance, and power supply. With proper maintenance and use, these systems can last up to 20 years.

Conclusion

Cleaning a Mitsubishi mini-split system is straightforward when you have the right tools. Follow the steps of removing the front panel, louvers, filters, cover, blower wheel, and cleaning each component. Take precautions and reinstall all parts once they are dry. Proper cleaning and maintenance will ensure your system operates efficiently and lasts for many years.

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Written by HVAC Contributor

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