Eli5: What really happens when you change the temperature in an AC (Cooling) ?
In: 23
You change what target temperature the cooling system has. Exactly how the system handles it will depend on the system. Normally a system with a temperature setting has a temperature sensor in some location. It could be somewhere in your house, it could be where the AC sucks in the air that should be cooled.
The control system is design so the sensor temperature is the same as you set temperature and it needs to cool more to if the temperature is too high. If it is too cold you stop cooling or cool at a lower rate.
Some have if I am not mistaken just one power setting and the cooling system is either on off, it that is true for any fan too the result is that system has to be running a larger part of the time or a shorter part of the time depending if the new temperature is lower or higher.
Other systems have a colling compressor that can run at different rates. Then the heat exchanger for the internal air a bit cooler or warmer.
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