Email:export@china-meco.com Taizhou MECO Refrigeration Equipment Co.,Ltd

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Contact:Jack Zhang
Mobile: +8615712686880
Tel: +86-576-82517780
E-mail: export@china-meco.com
Add: Zhuguang Street, Luqiao district, Tai Zhou city, Zhejiang province, China
Postcode: 318050
Fax: +86-576-82517776

Problems In Fresh Air System Of Fan Coil Units

There are the following problems in the air conditioning system of fan coil unit plus fresh air.


l、新风机组通常采用冷却盘管除湿,盘管表面长期带水,在停止运行时(夜间及非工作日),表面温度升高,并与空气接触,为微生物的繁殖提供了营养条件,污染新风。

1. Fresh air units usually use cooling coil to dehumidify, the coil surface has long-term water, when it stops running (night and non-working days), the surface temperature rises, and contacts with air, which provides nutritional conditions for microbial reproduction and pollutes fresh air.


2、新风机组中一般只有粗效过滤器,室外空气质量恶化的情况下,引入新风不仅不能起到稀释作用,还会破坏室内空气品质。

2. Generally, there are only crude filters in fresh air units. When the outdoor air quality deteriorates, the introduction of fresh air can not only play a diluting role, but also destroy the indoor air quality.

3. According to the indoor temperature regulation, the fan coil unit is weak in controlling humidity. In transition season, with the decrease of sensible heat load, in order to maintain indoor air temperature, the water temperature of fan coil unit increases correspondingly, the dehumidification ability decreases correspondingly, and the indoor moisture content increases.


4、室内风机盘管承担室内的热湿负荷,去湿过程有冷凝水产生,容易出现细菌滋生和漏水污染天花板的问题。潮湿的盘管表面往往成为细菌等致病微生物的滋生地,微生物又随着空气的送入污染整个建筑内部环境。

4. Indoor fan-coil unit bears indoor heat and humidity load, and condensate water is produced during dehumidification process, which is prone to bacterial breeding and leakage pollution of the ceiling. The wet coil surface often becomes the breeding ground of pathogenic microorganisms such as bacteria, and microorganisms pollute the internal environment of the whole building with the introduction of air.

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