| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a hot water storage type heating apparatus which can execute an operation of filling water in a hot water storage tank after installation of the apparatus, automatically in a short time and further with the use of minimum water. SOLUTION: When an instruction for a test operation is given (step S1), a hot water filling solenoid valve is opened (step S2) and water from a supply water source is supplied to the hot water storage tank. When it is detected that the tank is filled with water (step S5), the solenoid valve is closed (step S6), and the information on completion of the trial operation is given (step S7). Accordingly, the trial operation for filling water in the hot water storage tank can be executed automatically.</p> |
