Patent ID: 9464829
Filing Date: 2016-10-11
CPC Classification: F24F,F25B

Claim Text:
1. An air-conditioning apparatus comprising: a refrigerant circuit having a compressor, a refrigerant flow switching valve, a heat exchanger related to a heat transfer medium, an expansion valve, and a heat source-side heat exchanger, which are connected by a refrigerant pipe to form a refrigeration cycle; a heat transfer medium circuit having the heat exchanger related to the heat transfer medium, a pump, and a plurality of use-side heat exchangers, which are connected by a heat transfer medium pipe; a heat transfer medium supply pipe connected to the heat transfer medium circuit to supply the heat transfer medium; an opening and closing valve provided to the heat transfer medium supply pipe; an air release valve provided in the heat transfer medium pipe, and configured to release air remaining within the heat transfer medium supply pipe; and a controller configured to control the refrigerant flow switching valve, the pump, the opening and closing valve, and the air release valve, wherein the controller is configured to perform