Function and working principle of air conditioning condensate drainage pump - Qiling
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Function and working principle of air conditioning Condensate Drainage pump

Function and working principle of air conditioning condensate drainage pump

2025-09-12

The function of air conditioning Condensate Drainage pump

1. It can improve drainage and prevent roof soaking. Air conditioners without water pumps can only drain naturally. The disadvantage of natural drainage is that it is easy to have poor drainage or unclean drainage. The air conditioner is put into construction at the front end of the ceiling construction. If the drainage slope set up in the early stage of the air conditioner cannot be guaranteed during the carpentry construction, the air conditioner pipeline will be a hidden project after the ceiling is suspended. Once the equipment is running, the lack of drainage slope may cause condensation water to flow back into the water tray. These problems cannot be discovered before the ceiling is soaked by condensation water. Only when the ceiling is soaked can the air conditioner be found to be leaking. At this time, it will be laborious to deal with the problem, and large-scale repairs will be required, which will damage the original decoration of the house. It is difficult to restore the decoration to its original quality and style. It affects the user's living psychology, and the user may even be unable to eliminate the psychological damage caused by the restoration of the decoration.

2. It can eliminate the accumulation of condensed water and prevent secondary pollution. If the condensed water generated during the operation of the air conditioner is not discharged in time, it will accumulate in the roof drain pipe. Since there is always dust in the house, this will pollute the accumulated condensed water. Over time, the condensed water will become moldy and deteriorate, and then blow into the room through the air outlet, causing secondary pollution of the air. It will cause physical harm to the elderly and children who stay indoors for a long time, affecting the health of the family.

3. It can increase the height of the ceiling and prevent space oppression. At present, the indoor floor height of commercial housing is about 2.7 to 2.9 meters. The floor height is not very high, and the lower the thickness of the ceiling, the better. Since it is equipped with a Condensate Lifting pump, gravity drainage is not used, and the pipeline has no slope, the ceiling height can be reduced. The ceiling can be controlled between 200mm and 220mm, which has greater advantages in space design, making it easier for designers to design the ceiling shape, making the interior decoration more integrated, and extending the user's living space above the ceiling, enhancing comfort, and not feeling oppressed when living.

Working principle of air conditioning Condensate Drainage pump

The liquid level switch is responsible for detecting the liquid level and sending a signal to the water pump through the control circuit. When the float rises to a certain height, the water pump starts to drain water. When the float drops to a certain height, the water pump stops running. If the system fails and cannot drain water normally, the alarm level is reached and the alarm switch is automatically activated.

1. Determine the amount of condensed water according to the cooling capacity of the unit and select the appropriate device. The selected water pump displacement must be greater than the amount of condensed water produced by the air conditioning unit per hour.

2. If the amount of condensed water generated per hour exceeds 50% of the drainage pump's discharge capacity, it may cause the system to heat up and reduce the service life of the water pump.

3. Select the device according to the amount of condensed water, and consider the impact of the vertical height and horizontal length of the drain pipe on the pump displacement.