Air conditioning is of great help in regulating the internal temperature and providing people with a comfortable living environment. The use of air conditioning in hot summer can make us feel cool, and the use of air conditioning in cold winter can make us feel warm. It's a cold winter. Many families without heating must be using air conditioning for heating. However, in the process of using air conditioning, there is often a loud noise during the operation of air conditioning. The continuous noise during the operation of air conditioning will affect people's daily rest. So why is the sound loud when the air conditioner is running? What causes the loud sound of air conditioning operation? The small editor of this article will talk to you about the reasons and solutions that can cause loud sound when the air conditioner is running.
Cause of loud air conditioning fault - air conditioning working principle
Air conditioning is divided into single cooling air conditioning and dual-purpose air conditioning. The working principle is the same. Most commonly used refrigerants in air conditioning were Freon. The characteristic of Freon is that it releases a lot of heat when it changes from gas to liquid. When it changes from liquid to gas, it will absorb a lot of heat. (i.e. first endothermic gasification and then liquefaction and heat release) the air conditioner is designed according to this principle.
Cause of loud air conditioning fault - what is the cause of loud air conditioning
1. The outdoor unit support is not installed horizontally. The installation of the outdoor unit support is not horizontal, or the fixing screws of the combined support are not fastened in place and deformed, which will cause the uneven foot of the outdoor unit, increase the vibration frequency and noise during operation; At this time, rearrange the external machine support, adjust the level or fasten the fixing screws of the support.
2. The force on the screws at the bottom of the outdoor unit is uneven. Uneven stress on the screw at the bottom of the outdoor unit of the air conditioner will also lead to excessive noise; It is necessary to loosen the fixing screws of the foot of the outdoor unit again, tighten the foot screws with a wrench and tighten them evenly at the same time. It is strictly prohibited to tighten one of the screws in place first, which will cause uneven fixing force.
3. Improper installation position of outdoor unit. Unprofessional installation companies sometimes fail to pay attention to the installation position of outdoor units when installing air conditioners; At this time, we first find out the wall structure. For example, it is precast concrete, and the inner side of the room is mostly office space, bedroom, study, etc., which is relatively empty, and the indoor roundabout sound will be generated. This belongs to the architectural structure and the decoration effect in the house. This phenomenon belongs to objective factors and conditions. External unit of air conditioner
4. The compressor of outdoor unit is noisy. Air conditioning compressor is also one of the sources of air conditioning noise. Excessive noise value of the compressor will also affect the use and rest of our normal users; If the three-phase compressor reverses, replace the inlet line of the compressor to make it rotate forward, disconnect the outdoor fan motor, judge that the working current of the compressor and the system pressure are within the normal range and still higher than the normal noise, and replace the compressor.
5. Poor assembly of outdoor fan motor or axial flow fan blade. This problem is also caused by non-standard installation; At this time, we can remove the axial fan blade of the external unit for test run. If the noise is eliminated, replace the axial fan blade, otherwise replace the outdoor fan motor.
Air conditioning is a familiar electrical appliance. The emergence of air conditioning has greatly improved the comfort of our life. We no longer have to worry about the severe cold and heat. In the process of using air conditioning, it is inevitable to encounter some problems. The loud sound of air conditioning is a common phenomenon, Through the introduction of Xiaobian, you should have a certain understanding of the faults of loud air conditioning. The reasons for loud air conditioning introduced by Xiaobian above are very common. You can see what kind of air conditioning in your home belongs to, and then carry out targeted maintenance. I believe the problem of loud air conditioning can be solved soon.