C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
362/27
C02F 1/42 (2006.01) B01J 49/00 (2006.01) C02F 1/00 (2006.01)
Patent
CA 1233919
ABSTRACT OF THE DISCLOSURE An improved control for a water softener includes a resin bed sensor for sensing when the resin bed has been depleted to a predetermined percentage of the total resin bed treating capacity. The resin bed sensor is connected to a microcomputer which is also coupled to a flow meter to receive data therefrom indicative of the quantity of treated water leaving the water treatment device over a riven period of time. When the resin bed sensor signals the microcomputer that the resin bed has been depleted to the predetermined capacity, the microcomputer calculates the total softening capacity of the resin bed. Each day, the microcomputer computes both the total quantity of treated water consumed since the last regeneration and the remaining capacity of the resin bed. The micro- computer also maintains a record in memory of the pre- vious 7 days' usage and the average usage is calculated to establish a soft water reserve value. Should the remaining resin bed capacity be less than the established soft water reserve, then regeneration is initiated.
454810
Autotrol Corporation
Fetherstonhaugh & Co.
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