AIR CONDITIONING DEVICE

摘要

In an air-conditioning apparatus 100, a controller 50 performs a pressure variation suppressing operation for suppressing a pressure variation on the side of a refrigerant circuit A by controlling a heat medium flow control device 34b to be slightly opened so as to allow a certain amount of heat medium to flow through a use-side heat exchanger 35b before the use-side heat exchanger 35b starts operation or performs switching of an operation mode.