Indoor unit of air-conditioning apparatus, air-conditioning apparatus, and method of installing indoor unit of air-conditioning apparatus

摘要

This indoor unit of an air conditioning apparatus has provided, in a housing thereof, an indoor heat exchanger, and an air blower, and is provided with a refrigerant detection part that can be removed from the housing, wherein the refrigerant detection part is disposed so as to be capable of selectively assuming either a state of being mounted inside the housing or a state of being mounted to the lower external side of the housing.