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Anti Freezing Measures For Horizontal Horizontal Fan Mounted Coil Units In Winter

Anti freezing measures for horizontal horizontal fan mounted coil units in winter


1、设计时中央空调应考虑冬季防冻问题,防冻手段建议使用热水,不支持使用蒸汽和电加热。蒸汽防冻也可以,但是容易出现温度不均匀的现象,卧式暗装风机盘管上部温度比较高,底部已经开始冻。电加热也不支持使用,首先电加热容易出现危险,再有电加热比较费电,不节能,在控制上也要注意不能单个卧式暗装风机盘管开关,应当全体控制。

1. The design of central air-conditioning should consider the problem of winter antifreeze. Hot water is recommended as the means of antifreeze, and steam and electric heating are not supported. Steam anti-freezing is also possible, but it is prone to uneven temperature. Horizontal concealed fan coil unit has a higher upper temperature, and the bottom has begun to freeze. Electric heating also does not support the use of electric heating, first of all, electrical heating is prone to danger, and then electric heating is more electricity-intensive, not energy-saving, control should also pay attention to not a single horizontal concealed fan-coil switch, should be controlled by all.


2、如果冬季不使用卧式暗装风机盘管,建议:

2, if winter does not use horizontal concealed fan coil units, it is recommended that:


a.将卧式暗装风机盘管里面的水全部放掉,

A. let all the water in the horizontal fan coil unit be released.


b.在给水和回水上加盲板,

B. adds blind plates to water supply and backwater.


c.使用压缩空气吹(依据卧式暗装风机盘管的大小决定压缩空气吹得时间)

C. uses compressed air to blow (depending on the size of the horizontal concealed fan coil to determine the time of compressed air blowing).


d.给卧式暗装风机盘管加防冻液,不一定要加满,但是要保证卧式暗装风机盘管的液体充分被防冻液稀释。

D. Adding antifreeze fluid to the horizontal concealed fan coil unit does not necessarily need to be filled, but it is necessary to ensure that the liquid of the horizontal concealed fan coil unit is fully diluted by the antifreeze fluid.


e.设计时加循环泵。

E. design plus circulating pump.

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