| 主权项 |
1. A heat medium relay unit constituting a portion of an air-conditioning apparatus that forms a refrigerant circulation circuit connecting a compressor, a heat source side heat exchanger, a plurality of expansion devices, and refrigerant flow path parts of a plurality of heat exchangers related to heat medium, the refrigerant circulation circuit circulating a heat source side refrigerant, and forms a heat medium circulation circuit connecting a plurality of heat medium delivering devices, a plurality of heat medium flow switching devices, a plurality of heat medium flow control devices, a plurality of use side heat exchangers, and heat medium flow path parts of the plurality of heat exchangers related to heat medium, the heat medium circulation circuit circulating a heat medium,
the heat medium relay unit that exchanges heat between the heat source side refrigerant and the heat medium, comprising: a housing including the expansion devices, the heat exchangers related to heat medium, the heat medium delivering devices, the heat medium flow control devices, and the heat medium flow switching devices together, wherein some devices, which are to be repaired or maintained, and constituting the heat medium circulation circuit, are arranged for a servicing side in a same direction in the housing and the some devices are provided so as to be detachable from the servicing side. |
