Patent ID: 9307679
Filing Date: 2016-04-05
CPC Classification: F24F,F28F,G05D,H05K

Claim Text:
1. A server room management air conditioning system in which the air conditioning system performs an air conditioning of the server room in an all circulation mode in which outside air is not introduced but supplied air is manufactured from returned air and supplied to the server room, the server room management air conditioning system comprising: a coil setting control device configured to obtain an estimated amount of absolute humidity in the server room in the all circulation mode, first coils in which the number of the coils which are to be used for humidity control out of a group of coils is determined, by the coil setting control device, in response to the estimated amount of absolute humidity in the server room in the all circulation mode, wherein the first coils are configured to adjust the returned air of the server room to a predetermined temperature value lower than a predetermined supplied air temperature target value to perform dehumidification; second coils in which the number of the coils out of the group of coils which are to be used is determined, by the cooling coil control device, for temperature control in response to the estimated amount of absolute humidity in the server room in the all circulation mode, which are installed in a same area as an area of the first coils, and which adjusts the returned air of the server room to a predetermined temperature value higher than the supplied air temperature target value so that the returned air takes the supplied air temperature target value and a predetermined supplied air humidity target value when the returned air is mixed with air adjusted by the first coils; and an air supply fan that mixes the returned air adjusted by the first coils and the returned air adjusted by the second coils to supply as supplied air to the server room.