In a central air conditioning system, the water generated during the cooling process is typically removed through a component called the condensate drain.
When warm air is cooled by the air conditioning system, moisture in the air condenses into water droplets. These droplets collect on the evaporator coil, which is a cold surface within the air conditioning unit. The water then drips down into a drain pan located beneath the evaporator coil.
From the drain pan, the water flows through a condensate drain line, usually made of PVC or similar materials. This drain line is designed to carry the water away from the air conditioning unit and out of the building. The drain line may be connected to the building's plumbing system, where it can drain into the municipal sewer system or a designated drainage area.
It's important to ensure that the condensate drain line is properly maintained and free from clogs or blockages. Regular maintenance, such as cleaning the drain line and pan, helps prevent water backup and potential damage to the air conditioning system or the building.