Did you know that the air is continuously recirculated in the unit of the DC fan coil unit?_Industry News_News

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Did you know that the air is continuously recirculated in the unit of the DC fan coil unit?

Time：2022-03-18Views：0

What is the timing of the coil unit of the DC fan? Do you know? In fact, many people do not know what the fan coil is, of course, including Xiaobian. Finally, after the efforts of the editor to search, I finally know what the coil is. A coil is actually a spiral piping system. Such as disk-shaped aluminum-plastic pipes, such as floor heating pipe coils installed in a back-shaped shape, etc. Let's take a brief look at the relevant knowledge of this product together!

The selection of fan coil units is a key issue. It is a common practice in the design of air-conditioning systems to select fan coil units according to the maximum cooling load of the air-conditioned room, and its purpose is to ensure the room temperature during peak load. In fact, most of the time when the air-conditioned room is running, it will not be at peak load, resulting in excess cooling capacity, and switching to medium and low-speed operation to reduce cooling output, thereby maintaining the thermal balance of the room.

When selecting a fan coil unit, in addition to the cooling capacity to meet the requirements of calculating the cooling load, it is also required to meet the matching of its sensible heat and latent heat to meet the requirements of the room heat and humidity ratio; the air volume must meet the supply air temperature difference, ventilation times and airflow organization and other usage requirements. As the terminal equipment of the central air conditioner, the quality of the fan coil unit determines the indoor air conditioning effect. At the same time, the cleaning problem also directly affects the use effect of the central air conditioner.

There are many dust particles in the atmosphere. Under the action of long-term extraction and return air, the aluminum fins of the fan are full of dust and dirt. At this time, on the one hand, the heat exchange between the chilled water and the hot air is affected, and the air temperature is affected; on the other hand, the air temperature is affected; On the one hand, it also affects the delivery of cold air that has been cooled down after heat exchange, resulting in the phenomenon that the room is still not cold when the air conditioner is turned on. Because the central air-conditioning host sends water at 7 degrees into the fan coil after cooling, and exchanges it in the fan coil to become 15--16 degrees of cold air, which reduces the room temperature.

The DC fan coil is the terminal device of the air conditioning system. Its working principle is that the air in the room where the unit is continuously recirculated, so that the air is cooled (heated) after passing through the cold water (hot water) coil to keep the room temperature constant. DC fan coil units are widely used in hotels, office buildings, hospitals, commercial and residential, and scientific research institutions. In order to meet the design selection of different occasions.

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Did you know that the air is continuously recirculated in the unit of the DC fan coil unit?