AIR CONDITIONING DEVICE

摘要

An energy saving air conditioning device. Pump control for controlling the operational capacity of a pump (21) is performed so that the degree of opening of a heat medium flow-rate regulating device (25) controlled by heat medium flow-rate regulating device control approaches a target degree of opening, and the refrigeration cycle of a refrigerant circulation circuit is controlled so that the temperature of a heat medium, the flow rate of which is controlled by both the heat medium flow-rate device control and the pump control, approaches a target temperature.