How does an air conditioner drain pump work?

July 12, 2021 10:08 am Published by

Ever wondered where the water that drains from your air conditioning actually comes from? It is sourced from the air through a drain pump. Drain pumps are designed to be used with air conditioners, refrigerators and other appliances that create a buildup of water. In the cooling process, the air con draws all the hot, humid moisture out of the air via the evaporator coil, and the condensed water is a waste product of the process. 

Bin Dasmal General Trading is one of the leading drain pump suppliers in UAE and represents premium brands of Building, HVAC-R and Plumbing components, materials and equipment in the UAE including drain pump applications. 

Let us look at the steps of how an air conditioning drain pump function:

  • Moisture laden warm air flows across the air conditioner’s cooling coil. As the air cools, this moisture condenses.
  • The moisture slowly drips into a collector tray inside the air conditioner.
  • The collected condensate water flows from the collector tray into a drain opening and downwards in a pipe or tube to the air conditioning drain pump.
  • When it comes to your air conditioning system, the condensate pump works to collect the water that builds up within your system. As the water level rises within the reservoir of the condensate pump, a float rises as well. 
  • When the water level inside the drain pump is near capacity, the float switch triggers the condensate pump to turn on and remove the water to the outside of your home.
  • The motor pumps the water up and out of the reservoir to a drainage pipe or flexible tube.
  • The drain pump pushes the condensate to an external building drain, where it is disposed of as wastewater.

Any air conditioning system which requires the drain piping to go to a higher point than the internal unit will require a drain pump. They can improve the drainage patency and ensure that the drainage is kept clean. The selected pump displacement must be greater than the condensate produced per hour by the condensate of the air conditioning unit.

Bin Dasmal General Trading represents a wide range of Aspen pumps in the UAE and is one of the authorized condensate drain pump suppliers in UAE.  Aspen Pumps has over 20 years of manufacturing experience. It has a wide range of condensate pumps like mini orange, mini aqua, mini lime, mini blanc, peristaltic pumps etc. Aspen pumps are used primarily in air handling units, energy-efficient condensing boilers, dehumidifiers, heat recovery systems, fan coils and refrigeration cabinets. They are used in the transport / medical / air conditioning / heating / food etc. applications.

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