| 摘要 |
PROBLEM TO BE SOLVED: To more easily realize a constitution such that a possibility of piping cleaning being performed in timing when no person is present in a bathtub is higher, and to provide a constitution such that even if there is a person nearby the bathtub in the piping cleaning, the person hardly feels restless.SOLUTION: A hot water system 1 comprises a bathtub filling control part, and is configured to fill a bathtub 60 with hot water on condition that an operation part of a remote controller 80 is operated as predetermined. Further, the hot water system is provided with a piping cleaning control part, and configured to perform piping cleaning control to guide water from a hot water-side circuit 2 into a circulation path and to run the water into the bathtub 60 through the circulation path when a predetermined time passes after a bathtub filling operation is completed. Then the hot water system is provided with a display control part, and configured to let a display part 81B make a display showing that piping is being cleaned when the piping cleaning control is performed by at least the piping cleaning control part.SELECTED DRAWING: Figure 8 |
