Typically, a split air conditioner (AC) will have a drainage system in place to manage condensate water that is generated during the cooling process. The absence of water dripping from the AC unit after it has been turned off for some time could be due to several reasons:
Proper Drainage: Split AC units are designed with drainage systems to collect and channel condensate water away from the indoor unit. The water is usually collected in a tray or pan, and then directed through a drainage pipe to a suitable outlet, such as a drainpipe or outside the building. If the drainage system is functioning correctly, there should be no visible water dripping from the AC unit.
Evaporative Effect: When the AC is operational, the condensate water produced by the cooling process can be evaporated due to the warm air passing over the cooling coils or heat exchanger. This evaporative effect can minimize or eliminate visible water dripping from the AC unit when it is turned off.
Humidity Levels: The amount of condensate water generated by an AC unit depends on the humidity levels in the surrounding environment. If the humidity is relatively low, the AC may produce less condensate water, which could result in no visible water dripping when the AC is turned off.
Drainage Issues: It is possible that there may be a blockage or malfunction in the drainage system of the AC unit. If the drainage pipe is clogged or damaged, it can impede the flow of condensate water and prevent it from draining properly. In such cases, it's advisable to have a professional technician inspect and clean the drainage system to ensure proper functionality.
If you have concerns about the drainage or any other aspect of your AC unit, it is recommended to consult with a qualified HVAC technician. They will be able to assess the system, diagnose any issues, and provide the necessary maintenance or repairs to ensure optimal performance of your AC unit.