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E-mail: export@china-meco.com
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Fresh Air Supply Mode Of Fan Coil Central Air Conditioning System

The fresh air supply of fan coil central air conditioning system is mainly in the following ways.


1借助室外空气的渗入和室内机械排风以补给新风机组基本上只处理室内在循环空气,系统的特点是初期投资和运行费用都较低,但因靠渗透补风,受到风向,热压等影响,新风量无法控制,且当室外大气污染严重时,不经过滤而升入的新风洁度很差,在卫生间排风时由常常发生短路,室外新风不能正常步入室内,故难以保证室内卫生,因此,这种方式只试用于人员少的情况,特别适用于旧建筑物增设风机盘管空调系统且布新风管有困难时

1. By means of the infiltration of outdoor air and the mechanical exhaust of indoor air, the fresh air supply unit basically only deals with the indoor circulating air. The characteristics of the system are that the initial investment and operating costs are low, but because of the influence of wind direction and thermal pressure, the fresh air volume can not be controlled, and when the outdoor air pollution is serious, it will not be filtered. But the cleanliness of the fresh air is very bad. When the air is exhausted in the bathroom, the short circuit often occurs, and the fresh air out of the room can not enter the room normally, so it is difficult to ensure indoor sanitation. Therefore, this method is only used in the case of fewer people, especially when the fan-coil air-conditioning system is installed in the old buildings and the fresh air pipes are difficult to distribute.


2墙洞引入新风直接进入机组,如果风机盘管靠外墙安装,则可以采用此种方式,此时应在外墙上开洞口,设短管将新风引入机组,该方式投资小,节约建筑空间,这种方式虽然使新风得到比较好的保障,但随着新风负荷的变化,室内参数将直接受到影响,他不适用于高层建筑,只适用于室内空气参数妖气不太严格的建筑物

2. If the fan coil unit is installed near the outer wall, this method can be adopted. At this time, a hole should be made in the outer wall, and a short pipe should be set up to introduce fresh air into the unit. This method has less investment and saves building space. Although this method ensures the fresh air better, it will change with the fresh air load. The indoor parameters will be directly affected. It is not suitable for high-rise buildings, but only for buildings with less stringent indoor air parameters.

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