Air-conditioning system control device, air-conditioning system, air-conditioning system control method, and program

An air conditioning system control device is provided with: a setting unit for setting the water supply temperature of a heat source machine; a first calculation unit that calculates the amount of air supplied to the interior of a room at a load corresponding to the water supply temperature; a second calculation unit that calculates a water supply flow rate of the heat source machine in accordance with the water supply temperature; and an estimation unit that estimates the total power consumption of the heat source machine side and the load side corresponding to the water supply temperature, the amount of air supplied into the room, and the water supply flow rate, and the setting unit sets the estimated total power consumption to the water supply temperature at which the total power consumption is minimum. 一种空调系统控制装置，其具备：设定部，设定热源机的送水温度；第一运算部，计算出与所述送水温度相应的负载的向室内的供给空气量；第二运算部，计算出与所述送水温度相应的热源机的送水流量；以及推定部，推定与所述送水温度、所述向室内的供给空气量以及所述送水流量相应的热源机侧和负载侧的总功耗，所述设定部设定所述所推定的总功耗为最小的送水温度。