Patent ID: 9033776
Filing Date: 2015-05-19
Classification: F24F,H05K

Abstract:
1. An air conditioning apparatus connected to a server room configured with a cold space and a hot space separated from each other, including a server provided normally with a service of power from a commercial power source and in emergencies with a service of power from an uninterruptible power supply and disposed between the cold space and the hot space, to have cold air supplied through the cold space, heated by dissipation of heat at the server, and discharged as return air through the hot space, the air conditioning apparatus comprising: a first space connected to the cold space, and adapted to have cold air reside therein to send to the cold space; a second space adapted to have return air as discharged from the hot space reside therein; a first damper configured to have an opening adjusted under control of a controller to take in outdoor air to the first space, and adapted to have an open state in an emergency in which the server is supplied with power from the uninterruptible power supply; a second damper configured to have an opening adjusted under control of the controller to discharge return air in the second space, outside thereof, and adapted to have an open state in the emergency; and a third damper configured to have an opening adjusted under control of the controller to recirculate return air in the second space to the first space; wherein, in the emergency, the controller is configured to close the third damper and is further configured to keep the third damper closed after the emergency, when the supply of power from the uninterruptible power supply has ended.