| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To efficiently control the number of heat pump units without the need of grasping air conditioning capacities of the heat pump units, in a fluid supply system including the plurality of heat pump units having compressors, and supplying the fluid heated or cooled by the heat pump units to a fluid using device. <P>SOLUTION: An operation frequency of the compressor of the prescribed heat pump unit among the plurality of heat pump units is acquired, and it is determined according to the acquired operation frequency whether the other heat pump units excluding the prescribed heat pump unit, among the plurality of heat pump units, are operated. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
