| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a system and method for controlling multiple-sized water softening tanks. <P>SOLUTION: A water softening system includes: a first treatment tank 24 having a first water capacity; a second treatment tank 26 parallel with the first treatment tank having a second water capacity which is less than the first water capacity; a flow meter 74 connected to the first and second treatment tanks and configured to determine a demand flow rate of water entering the system; and a controller 70 communicated with the flow meter and configured to direct the water into the first treatment tank when the demand flow is greater than a designated flow rate and to direct the water into the second treatment tank when the demand flow is equal to or less than the designated flow rate. <P>COPYRIGHT: (C)2011,JPO&INPIT |
