The definition of a lock for AC control is a feature that allows users to set a predetermined temperature and humidity level for their air conditioning system. This feature helps to ensure that the air conditioning system is operating at an optimal level and that the environment is comfortable for the occupants. The lock for AC control is typically set using a thermostat or other control device. Once the desired temperature and humidity level is set, the air conditioning system will not be able to adjust the temperature or humidity level beyond the predetermined setting. This feature helps to reduce energy consumption and improve the efficiency of the air conditioning system. Additionally, the lock for AC control helps to prevent the air conditioning system from running too long or too short, which can lead to higher energy bills. The lock for AC control is an important feature for any air conditioning system and can help to ensure that the environment is comfortable and energy efficient.