| 摘要 |
PROBLEM TO BE SOLVED: To save the electrical power by using a dedicated device, and to improve filtering accuracy in a filter device for a bath tub and a pool. SOLUTION: An inverter is used for a filtration pump, and efficient filtering and power save can be obtained through a weekly or a yearly program by monitoring full automatic operating condition with a programable operation display unit and a programable controller. As a result, power consumption is remarkably reduced, and filtering accuracy is improved. COPYRIGHT: (C)2004,JPO
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