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    What is the difference between heating 24 ℃ and cooling 24 ℃

    What is the difference between heating 24 ℃ and cooling 24 ℃ Regardless of the room temperature, as long as the air conditioner is in the cooling mode and is in a working state, the wind blown out is cold wind. To put it bluntly, the temperature of the blown air is determined by the operation mode of the air conditioner. The indoor temperature and the setting procedure determine the operation mode of the air conditioner, not the direct blowing temperature. Judging from the working principle of the air conditioner, it uses the heat of the indoor and outdoor to meet the needs of users: the motor drives the compressor, and the heat is transferred by circulating refrigerant to achieve cooling and heating. In summer, the indoor heat is "carried" to the outside, and in winter, the outdoor heat is "carried" to the inside. In some areas, the temperature in winter is low, and the amount of heat transferred is not enough, which will cause the air conditioner to have an unsatisfactory heating effect in the winter. External heat, thereby enhancing the heating effect. In other words, when the air conditioner is working, it will be affected by the indoor and outdoor temperature. If the temperature measurement is not so accurate in actual use, this kind of question will appear. Is this phenomenon normal? Believable, because most air conditioners can not completely avoid similar situations. To further subdivide, at the current level of technology, can we avoid this kind of "bug" as much as possible? The answer is also ok. Generally speaking, it is more common for fixed frequency air conditioners to have similar situations, while inverter air conditioners are relatively more accurate. This is because the difference between fixed frequency and frequency conversion is that the speed of the compressor motor of the fixed frequency air conditioner is constant, so the power of its heat transfer is invariable; the speed of the compressor motor of the variable frequency air conditioner is variable, so its handling The power of heat is variable. According to the working conditions of the two cooling modes: The picture above shows the temperature curve in the cooling mode of fixed frequency air conditioner. Because the cooling power of the fixed-frequency air conditioner is not variable, if the temperature is set to 24 degrees, the compressor needs to be operated to cool the air after the air conditioner is started, and the indoor temperature is reduced to 23-23.5 degrees (the specific temperature range of different air conditioners is different, But the principle is the same) Then stop the cooling, wait for the indoor temperature to slowly rise to 24.5-25 degrees, continue to start the compressor to cool to 23-23.5 degrees, and so on, so as to maintain the room temperature at about 23.5-24.5 degrees. Therefore, if the indoor temperature is 20 degrees, the cooling mode is turned on and the temperature is set to 20 degrees, the air conditioner still needs to cool and blow out cold air, and the cooling is stopped until the room temperature drops to about 19.5-19 degrees The figure above is the temperature curve in inverter air conditioner cooling mode. Because the cooling power of the inverter air conditioner is variable, if the set temperature is 24 degrees, the cooling power will be determined according to the difference between the actual temperature and the set temperature after the air conditioner is started. The greater the difference, the greater the cooling power. So this model, if the indoor temperature is 20 degrees, and the cooling mode is set to 20 degrees, the compressor is likely not to start or maintain the minimum cooling capacity, that is, do not blow cold wind or a very small amount of cold wind. Heating is also the same principle. The operating mode of fixed frequency air conditioner determines whether it is cooling or heating, it will make more. Although the temperature deviates from the set temperature, this is to prevent the constant frequency air conditioner from frequently starting to cause energy Waste, at the same time, users are also prone to feeling cold and hot, the comfort is reduced. This frequent change of hot and cold is also one of the reasons for the so-called "air conditioning disease". Therefore, Haier guessed that the main home is probably a fixed-frequency air conditioner. If it is replaced with an inverter air conditioner, the similar situation will be reduced. In general, no matter what kind of air conditioner, the phenomenon mentioned by the subject is common, but the inverter air conditioner can control the operating state more finely according to the demand, real-time control of temperature, so that the indoor temperature is always constant at a small Within the fluctuations, the probability of occurrence is relatively low; fixed frequency air conditioning cooling and heating should be a little more, it is easier to produce the phenomenon that the cooling temperature has reached but still blowing cold wind. With the continuous development of air-conditioning technology, the ideal state of air-conditioning use is naturally not to adjust the temperature by relying on one's own body sense, but only need the air-conditioner to detect indoor and outdoor temperature and air quality by itself to adjust the temperature in real time. In this case, a phenomenon like this question that bothers the subject will not happen. Like Haier’s Tianzun inverter air conditioner, you can choose different modes according to the user’s different usage conditions. For example, if the user is an elderly person or a child, the wind setting will be more gentle, automatically matching the temperature change of the human body during sleep, even if the air conditioner is turned on all night. Sleeping can always be in a comfortable and relaxing environment.

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    06/14/2020

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