Storage type water heater, operation planning device and operation planning method

摘要

PROBLEM TO BE SOLVED: To provide a storage type hot water supply device capable of performing an operation of low probability of running-out of hot water corresponding to user's future load with small calculation amount even when user's past use record is not accumulated.;SOLUTION: This storage type hot water supply device 10 includes an operating method selecting table creating section 105d for creating an operating method selecting table 107e in which an operating method and a lower limit cumulative load are corresponded to each other, an operating method acquiring section 105g for acquiring the operating method to supply hot water to the user on a forecasted day on the basis of the past record of hot water supply load in supplying hot water to the user by referring the operating method selecting table 107e, an operation instructing section 105h giving an instruction for boiling up hot water to store the hot water in a hot water storage tank 201 according the obtained operating method, and a hot water supply section 200 comprising the hot water storage tank 201, accumulating heat in the hot water storage tank 201 according to the boiling-up instruction, and supplying hot water to the user according to the user's instruction.;COPYRIGHT: (C)2010,JPO&INPIT