Because the fresh air dehumidifier dehumidifies the outdoor air at one time, while the ordinary dehumidifier is placed indoors, it belongs to the circulation and progressive dehumidification. Therefore, if the target humidity of the two is the same, the difference in the moisture content of the former is much larger than that of the latter in a unit time. Therefore, when calculating the humidity load, it is necessary to fully consider the "one-time" dehumidification ability of the fresh air dehumidifier.

Compared with the closed space circulating dehumidifier, the initial humidity of the fresh air dehumidifier that only treats the outdoor air once is always the constant relative humidity of the current outdoor atmosphere, so it is necessary to accurately calculate the dehumidification amount of the fresh air dehumidifier. type to achieve the purpose of controlling the target humidity.

 For fresh air dehumidifiers, dehumidifier manufacturers represented by Shanghai Shangdai firstly calculate key values such as full cooling and dehumidification per unit time of the dehumidifier based on variables such as air flow quality, moisture content difference, and welding value difference per unit time. Optional; the selection of fresh air temperature-adjusting dehumidifiers should also be configured after calculating its overall cooling/heating load.

 The main function of the fresh air dehumidifier: it can not only introduce fresh air, but also dehumidify, especially for the basement, which is humid and stuffy. The environment can only work when the environment is above 17 degrees. Below 17 degrees, the dehumidification function of the air conditioner cannot be used.

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