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At present, there are many brands in the central air conditioning market, but for the air conditioning whether to install air conditioning condensate water lifting pump, the role of air conditioning condensate water lifting pump, the brand and business introduction is different, users on whether to use the lifting pump is also a little knowledge, this article on the role of condensate water lifting pump and operating principle to do a phase of knowledge, hope to be helpful to everyone.
The indoor unit of the household central air conditioning is in a low state when it is refrigerating, especially the surface temperature of the evaporator may be as low as 5℃, which is far lower than the dew point temperature of the indoor air. When indoor air comes into contact with the evaporator, the water vapor in the air will condense into water and attach to the surface of the evaporator of the air conditioner. Therefore, a water tray needs to be installed under the evaporator of the indoor unit.
However, if the water will increase for a long time, it must be drained in time, so there is a condensate pipe this component. Because the water is low flow, if not installed lifting pump can only natural drainage, it is necessary to reduce the height of the ceiling ceiling, for the height of the storey is not high users will have a sense of depression.
However, for home decoration places, indoor units are generally attached to the top installation, almost no space for improvement. The advantages of lifting the pump can not be played out, and there is no sense in lifting the pump. As can be seen from the following figure, there is almost no space from the condensate pipe interface above the indoor unit to the ceiling. In order to solve the natural drainage of condensate pipe caused by the high oppression and other shortcomings, there is a condensate lifting pump.
The condensate lifting pump detects the liquid level by the level switch, and sends a signal to the pump through the control circuit. When the float rises to a certain height, the pump is started to drain water. When the float drops to a certain height, the pump stops running; If the system fails and the water cannot be drained normally, the alarm switch will start automatically when the alarm level is reached.
The selection of condensate lifting pump should be based on the cold capacity of the unit to determine the condensate water, so as to select the corresponding device. The water pump displacement must be greater than the condensed water generated by the air conditioner unit per hour. At the same time, the influence of vertical height and horizontal length of drainage pipe on pump displacement should be considered.
Features of condensate lifting pump
First, can raise the ceiling height, prevent space depression. The indoor height of commercial houses is generally about 2.7~2.9 meters, which is not very high. The lower the thickness of the ceiling, the better. Because it is equipped with condensate lifting pump, does not use gravity drainage, and the pipeline has no slope, it can reduce the height of the ceiling and has greater advantages in space design. In the figure below, the direct net height is increased by more than 250mm.
Second, can improve the drainage patency, prevent the roof bubble. The disadvantage of natural drainage is that it is easy to have poor drainage or unclean drainage. The approach construction of the air conditioner is in front of the construction of the ceiling. If the drainage slope set by the air conditioner in the early stage cannot be guaranteed during the construction, without the drainage slope, condensed water may be poured back into the water receiving pan, which will lead to the leakage of the ceiling and damage the original decoration of the house.
After lifting pump with condensate water, it will bring some unfavorable small factors:
1, the initial investment of a pump money (300~400 yuan).
2. The rated power consumption of indoor unit with lifting pump is about 20W more than that of indoor unit without lifting pump in summer.
3, more than two failure points (pump body, float switch).
4. There is one more noise source.
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Jiangsu Jincheng Air Conditioning Engineering Co., Ltd. is a comprehensive manufacturer of special air-conditioning equipment design, production, installation, and commissioning of clean room, electricity, tobacco, civil air defense engineering, medical clean room, clean room, electricity, tobacco, civil air defense engineering, medical clean room. Mainly produce JCZK combined air conditioning unit, cooling tower, glass steel ventilated galvanized sheet pipe, stainless steel pipe, polyurethane ventilation pipe and air conditioning accessories, Jincheng air conditioner is wide, the type, the unique model, superior performance, and user Favused.
