| 摘要 |
<p>The present invention relates to a return duct apparatus of a fan coil unit for a vessel raised floor, and includes: a duty fan coil unit and a standby fan coil unit installed in the bottom surface of an air conditioning room; a return duct installed between an upper girder and both fan coil units; and a connection duct connecting the duty fan coil unit and the standby fan coil unit to the return duct. Accordingly, the return duct can easily be installed and connected to the return duct and the fan coil unit through a technical composition.</p> |
