AIR CONDITIONING DEVICE

摘要

In an air conditioning device (100), when at least one of a plurality of indoor units (3) having usage-side heat exchangers (35) provided therein is made to start a cooling operation mode or a heating operation mode from an operation mode in which all of the indoor units (3) are off, a heating medium conveyed to the usage-side heat exchangers (35) provided in the indoor units (3) which have received a start command is cooled or heated by a heat-source-side refrigerant until a prescribed temperature is attained, and air blowers of the indoor units (3) which have been made to start the cooling operation mode or the heating operation mode are subsequently driven.