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Household central air duct characteristics

Author:Source:Visits:Date:2013/11/30

Household central air conditioning is simply a small independent air-conditioning system. In the cooling mode and the basic structure is similar to a large traditional central air conditioning, and the use of premises is generally in the area of 80-600 square meters of housing units between the multi bedroom home. So the central air conditioning and traditional pipe, air duct system of household central air-conditioning has the following characteristics:
(1) -
problem of central air conditioning in cinemas, shopping malls, office buildings and other public places, where the height is generally higher, so the story problem is not very obvious, basic to be able to meet the central air duct system installation, use and maintenance needs. But for home central air conditioning, because it uses a lot of places where the height of less than 3 m, usually around 2.8 m, which requires the configuration of the wind pipe should be as little as possible to occupy the high space.
(2) wind pipe processing requirements of the
central air conditioning system for the processing volume is not large, but the specifications, so only on-site processing. Due to the construction of the central air conditioning pipe is generally small, and the construction site is more, it is not suitable for the use of large machinery and equipment production. In addition, each household central air-conditioning duct installation location may be different, like office buildings, shopping malls, each floor layout basically fixed, requires a lot of time on site location, and according to the specific needs of temporary processing pipe fittings installation, such as elbows, size etc., so the processing requirements of the wind pipe is convenient.
(3) noise requirements are relatively high
household central air conditioning is mainly used in the living environment, so the noise requirements are relatively high. According to the "People's Republic of China residential design standards" requirements, residential bedroom, living room (Hall) to allow daytime noise inside should be less than or equal to 50 dB, and the night should be less than or equal to 40 db. The outside pressure of the air duct machine is about 80~250Pa or so, and the noise is relatively large, which requires that the air conditioning system of the household central air conditioning system is equipped with a muffler device or has a better sound absorption function.
(4) on the strength of the wind pipe requirements can be appropriately reduced
central air conditioning applications, such as shopping malls, office buildings, etc., often encounter large space, so that the wind pipe with high strength. Household central air conditioning use of the span is generally small, usually less than 4 m, which makes the wind pipe strength requirements can be reduced properly. In addition, the ventilation system of the central air conditioning system is relatively small, the requirements of the ventilation pipe diameter is relatively small, which can also be appropriate to reduce the strength of the wind pipe material requirements.
can be seen from the above analysis, the domestic central air-conditioning duct system and central air-conditioning duct system requirements is not exactly the same, so the household central air-conditioning duct system design and construction must take full account of these characteristics, in order to get the household central air-conditioning duct system of a satisfactory.

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