Why is the central air conditioner installed with a fresh air system? The principle is actually very simple. The fresh air system has the magical function of spitting the new and turning waste into treasure. The rise of home central air conditioning and fresh air systems has met the dual needs of people who can cool in the summer and warm in the winter.
As two different comfort home systems, central air conditioning and fresh air systems are two different concepts. Central air conditioning is the solution to indoor heating and cooling, while fresh air is the solution to air quality problems. Many central air conditioners now have a fresh air system, but this is not a "new wind" in the strict sense. At best, it can only be called "wind". Why do central air conditioners have to be equipped with fresh air systems? The two are completely different in function, but they combine to have unexpected effects. The rise of home central air conditioning and fresh air systems has met the dual needs of people who can cool in the summer and warm in the winter.
Why should the central air conditioner be equipped with a fresh air system?
With the continuous improvement of living standards, new buildings are growing rapidly, people's requirements for indoor living experience and requirements for indoor comfort and air quality are getting higher and higher. Experts point out that the indoor environment must be conducive to good health, which promotes The rise of home central air conditioning and fresh air systems, home central air conditioning is also constantly meeting the growing material needs of people in frequency conversion innovation.
The central air conditioner in the home is mainly divided into two parts. The beginning is the central air-conditioning main unit, and the end is the indoor unit. The indoor unit is equivalent to a fresh air system, but in fact there is no function of the fresh air system. It can only be said that it is an advanced fan. It can drive indoor air to flow, and can not discharge indoor dirty air. In order to completely solve the indoor air problem, we must use the fresh air system to achieve indoor and outdoor air replacement, remove the turbid indoor air, and introduce outdoor fresh air, which can improve the indoor air quality and keep the interior fresh and comfortable.
Central air conditioning fresh air system design specification
Many people feel that the bigger the fresh air system, the more comfortable it is. In fact, this is not the case. It is understandable that fresh air can greatly improve indoor air quality, but the greater the amount of fresh air, the better the effect of air conditioning. Experts believe that good air quality requires not only clean air, but also pleasant temperature and humidity. Although the central air-conditioning fresh air system improves the air freshness, it also increases the cooling and heating load of the air conditioner, which not only affects the air conditioning effect, but also greatly increases the power consumption. So how to design the fresh air system is reasonable, let's look at the design specifications of the central air conditioning fresh air system.
The value of the large central air-conditioning fresh air system in China is as follows: firstly, according to the new air volume of 30m3/h per person, the air exchange rate is calculated according to the number of air exchanges stipulated by different construction purposes, and then the two are taken as the final. The amount of fresh air, the amount of fresh air for home central air conditioners, has been specifically regulated in developed countries.
Experts pointed out that the fresh air volume of the central air-conditioning fresh air system should be no less than 20m3/(hw). When designing the central air-conditioning fresh air system, there are three factors that determine the size of the fresh air:
(1) Install the community environment in which the family is located and the geographical conditions in which it is located. If the environment is comfortable and clean, ventilation is good, and the design of fresh air volume can be reduced;
(2) Floor height. Since reducing the concentration of pollutants is the main purpose of installing a fresh air system, such as installing a home with a higher floor, especially above the 10th floor, the air is relatively clean, which can reduce the design of fresh air volume;
(3) Special requirements of customers. Some customers have their own unique lifestyle habits, such as smoking and so on.
Why is the central air conditioner installed with a fresh air system? The principle is actually very simple. The fresh air system itself is not very expensive. Coupled with the magical function of the new air system to vent new and turn waste into treasure, many home users will choose to install a central air conditioning fresh air system.
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