换热器内容积配比在北美立式风管机上的应用研究

Study on the application volume ratio of heat exchanger in North American air handler unit

空调室内机内容积过小或过大都会对换热器造成不利影响。为了找到一个合适内外机容积的搭配范围,实现最大化通用和替换设计,采用试验法,对24K机型不同容积的室内机搭配进行测试,并对多个品牌室内机进行实际验证。研究结果表明,当变频产品内容积之比在50%~91%之间时,产品输出能力相同,可以实现产品的互换,从而满足北美产品性能要求。

When the content of indoor air conditioning unit is too small or too large,it will cause adverse effects on the heat exchanger.In order to find a suitable range of internal and external machine volume to maximize the common and replacement design,uses the experimental method to test the matching of internal machine with different volume of 24 K model,and carries on the actual verification to many brands of internal machine.The results show that when the content product ratio of frequency conversion products is between 50%and 91%,the output capacity of the products is the same,and the products can be interchanged,so as to meet the performance requirements of the North American products.