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How to clean the folded primary filter?

Time: 2022-06-02

With the increasing popularity of modern air conditioners, people’s requirements for the quality of the air conditioner itself are also constantly improving, and people’s requirements for the primary effect filter of the air conditioner are also increasing, so the folded primary effect filter was born. However, the cleaning of the folded primary filter has also become a headache for people. Today, I will share with you the cleaning method of the folded primary filter.


Pleated Primary Filter – What is a Pleated Primary Filter?

The folded primary filter is suitable for primary filtration of air-conditioning systems, mainly used to filter dust particles above 5μm. In addition to the folded primary filter (Pre air filter), the primary filter also has two styles: plate type and bag type. The outer frame materials include paper frame, aluminum frame, galvanized iron frame, the filter material includes non-woven fabric, nylon mesh, activated carbon filter material, metal mesh, etc.


Folded primary filter – cleaning method of folded primary filter

1.) First cut off the power supply of the air purification system, stop the fan, open the access door of the primary and secondary efficiency filter (pre air filter manufacturer), and loosen the four fixed wire compression springs of the filter; gently remove the filter that needs to be replaced and cleaned. Bag filter, put it in a plastic bag and send it to the clean room.

2.) First turn the filter surfaces of the primary and medium-efficiency filters to the outside, tap the filter gently with a wooden stick to remove the floating and sinking on the surface of the filter, then soak it in the detergent solution for 15 minutes, and use the pressure method to wash off the dust and dirt, rinse with tap water, and remove some of the water with a pressure method.

3.) Send the washed filter to the washing machine in the general area to dry the water, and then use the dryer to dry at a low temperature below 60 ℃.

4.) After the filter is cleaned, check whether it is damaged or not. If the surface of the filter is hollow or loose, it should be replaced with a new filter.

5.) After washing the return air and fresh air filters with detergent, rinse them with tap water.

6.) Use a damp cloth to clean the interior of the air conditioner, especially the filter frame and related parts, to ensure that the dust scattered during replacement is cleaned.

7.) Gently install the filter and press it with the compression spring.

8.) Check each filter as a whole, and ensure that it is securely fixed.


Folded Pre air filter – Tips for cleaning the folded primary filter

Use a device like a vacuum cleaner to remove the dust, or rinse with warm water; if there is too much dust, you can use a soft brush and neutral detergent to clean it. After cleaning, dry the water and place it in a cool place to dry. Do not use hot water above 50 ℃ for cleaning, so as to avoid the phenomenon of equipment discoloration or deformation, and do not dry it on fire; if the environment where the primary filter is used is too dusty, the number of cleanings should be based on the situation increases, generally half a year is appropriate.

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