| 摘要 |
<p>PURPOSE: To enable the continuation of a followup boiling operation of a bath and a heating operation and reduce sufficiently a possible danger of a user's suffering scald or the like even when a mixing adjustor for adjusting the mixing ratio of water breaks down with the path on the side of a hot water delivery pipe opened fully. CONSTITUTION: This storage type hot water supply system has a hot water storage boiler body 10 which is provided with a burner 12 and a hot water storage tank 14 while heat exchange coils 15 and 16 for heating and follow-up boiling of a bath is arranged in the hot water storage tank 14, a water feed pipe 20, a hot water delivery pipe 40, a bypass pipe 30 for mixing water and a mixing adjustor 50. A controller 70 are provided to control the temperature of hot water stored of the hot water storage tank 14 to be held at a fixed high temperature at least above 70 deg.C when a heating operation and a followup boiling operation of the bath are carried out in the normal operation while altering the holding temperature of the hot water stored of the hot water storage tank 14 to a fixed temperature of 50-60 deg.C in the heating operation and in the followup boiling of the bath as safety operation when the mixing adjustor 50 breaks down with the path on the side of the hot water delivery pipe 40 opened fully.</p> |
