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

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E-mail: export@china-meco.com
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Application Range Of Different Parameters Of Fan Coil Unit

Application range of different parameters of fan coil unit


A、假定条件:风机盘管供水之后的回水温度是不变的:当供水的温度提高之后,随之减少的是制冷的量。根据调查显示,如果制冷量减少了百分之十,就说明和这个供水的温度升高了1度;如果供水的温度大幅度的减小,会造成整体除湿的能力大大下降。

A. Assumption: The return water temperature of fan-coil unit after water supply is constant: when the temperature of water supply increases, the cooling capacity decreases accordingly. According to the survey, if the refrigeration capacity is reduced by 10%, it means that the temperature of the water supply is increased by 1 degree; if the temperature of the water supply is greatly reduced, the overall dehumidification capacity will be greatly reduced.


B:假定条件:风机盘管风量是不变的,供水的温度也是不变的,当供水的量开始变化的时候,随之而来的就是制冷量也会发生变化。根据一部分的风机盘管产品的调查显示,如果水温到达了7度的时候,供水是可以减少百分之八十左右的,风机怕盘管的制冷量也会变成只有原来的百分之九十二左右了,这说明供水量发生变化的时候么,对于制冷量会有影响,但是印象的是十分缓慢的。

B: Assume that the air volume of fan coil unit is constant, and the temperature of water supply is constant. When the water supply begins to change, the refrigeration capacity will also change. According to the survey of some fan coil products, if the water temperature reaches 7 degrees, the water supply can be reduced by about 80 percent. The fan fears that the cooling capacity of the fan coil will become only about 92 percent of the original, which indicates that when the water supply changes, it will have an impact on the refrigeration capacity. But the impression is very slow.


C. Assumption: The water supply of fan coil unit is unchanged. When the air volume changes, the refrigeration capacity and enthalpy difference of air conditioning treatment will follow. In general, the enthalpy difference will increase when the refrigeration capacity decreases, and the power consumption per unit refrigeration capacity and the grade will not change much.


D、假定条件:风机盘管进出水温度发生变化,如果是水温增加了的时候,水量变得少了,随着少换热盘管的热系数;另外,传热温差也会发生变化。所以说,制冷量是根据供水稳定的增大变小了。根据我们的统计表明发现这个供水温度是7度的时候呢,回水温度从5提高到7,制冷量就会减少了百分之17。

D. Assumption: The temperature of inlet and outlet water of fan coil unit changes. If the water temperature increases, the water quantity becomes less, and the heat transfer temperature difference will also change with the less heat exchange coil. Therefore, the cooling capacity is smaller according to the increase of water supply stability. According to our statistics, it is found that when the water supply temperature is 7 degrees, the cooling capacity will be reduced by 17% when the return water temperature is increased from 5 to 7.

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