| 摘要 |
PURPOSE:To prevent the generation of defective work by supplying hot water up to a hot water level as a trial and deciding defective work based on the application of the output of a pressure sensor for a bath tub water level detection after a bath device is installed. CONSTITUTION:When the position of a pressure sensor 21 is set force as a standard, the pressure water head of a vacuum breaker 24 is defined as H1, while the pressure water head of a bath tub fill-up water level position A is H2 and the pressure water head of a trial supply hot water level position B is defined as H3. To avoid the incurrence of blame for defective work due to the installation height between a bath tub 10 and a bath heater 20, the pressure detected by the pressure sensor 25 when the bath tub 10 is filled up with water is required to be less than the pressure water head H1. In this case, bath tub water will not flow so reversely the water may not overflow from a vacuum breaker 24. When a position located directly above a circulation metal fitting 11 is set as a trial supply hot water level B, if the detected pressure of the pressure sensor 25, when the water level prevails on the water level position B, is less than H1-(H2-H3) or a value deducted from the pressure head of the vacuum breaker 24 by the difference between the water level positions A and B (H2-H3), no water will overflow from the vacuum breaker 24. |
