| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a water supply device to have small and compact structure and prevent the occurrence of a trouble due to vapor condensation. SOLUTION: This water supply device is so constituted that pumps 11 and 12 to pressurize water for supply, piping 15, 16, 17, and 18 connected to the suction side and the discharge side of a casing for the pumps 11 and 12, motors 11a and 12a to drive the respective pumps, a drive power supply circuit 40 to supply a power to the motors 11a and 12a, and an electric control circuit 39 to control operation of the pumps are integrally contained in a cabinet 10. The motors 11a and 12a, the drive source circuit 40, and the electric control circuit 39 are situated in a level upper than those of pump casings 11 and 12 and the piping 15, 16, 17, and 18.</p> |
