| 摘要 |
<p>In order to provide a refrigeration and air-conditioning device with which the indoor unit connected to each branch port can be recognized with few limitations related to indoor unit communication, the indoor units (2) are operated one at a time, and the indoor unit (2) connected to each branch port (6) is recognized on the basis of the inlet temperature and the outlet temperature of each branch port (6) at that time.</p> |
