How to cool the old central air conditioner?

The old central air conditioner can be cooled by adjusting the temperature and wind speed.

According to the basic principle of central air conditioning, the key to refrigeration is to adjust the temperature and wind speed. For old central air conditioning, there is usually a temperature regulator and a wind speed regulator. By adjusting the temperature regulator, the set temperature can be reduced to the required refrigeration temperature. At the same time, by adjusting the wind speed regulator, the speed and intensity of air supply can be controlled, thus adjusting the refrigeration effect. Generally speaking, adjusting the temperature regulator to a lower temperature and the wind speed regulator to a higher wind speed can achieve a stronger refrigeration effect.