| 摘要 |
A storage medium stores a program which, when executed by a controller, causes the controller to control a boiler group including boilers each of which has a plurality of stepwise combustion positions. The program includes the steps of calculating a number of a presently combustion shiftable boilers, a number of their combustion positions, or a gross evaporation quantity, calculating a deviation quantity between a set physical quantity and a present time physical quantity, calculating a ratio between the deviation quantity and a control width that corresponding to the set physical quantity, and calculating the combustion subject boilers and their combustion positions based on the number of the combustion shiftable boilers, the number of their combustion positions, or the gross evaporation quantity and the ratio.
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