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Hot water supply system

  • US 4,896,658 A
  • Filed: 05/24/1988
  • Issued: 01/30/1990
  • Est. Priority Date: 06/03/1988
  • Status: Expired due to Term
First Claim
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1. A hot water supply system comprising:

  • (a) means for adjusting a temperature of water supplied to the temperature adjusting means from a hot water line and a cold water line, wherein the temperature adjusting means includes a mixing valve mixing hot water and cold water supplied thereto at an adjustable ratio;

    (b) a plurality of outlets receiving water from the temperature adjusting means and connected to water supplied objects;

    (c) a change-over valve means interposed between the temperature adjusting means and the outlets for selecting one of the outlets and supplying the water to a selected target outlet;

    (d) an outlet setting unit means connected to the changeover valve means for determining the target outlet selected from the outlets;

    (e) a temperature setting unit means connected to the mixing valve for determining a target temperature; and

    (f) a control unit means for controlling the change-over valve means and the temperature adjusting means in accordance with the selected target outlet to attain the target temperature, wherein the control unit controls the temperature adjusting means and thereby controls the temperature of water in accordance with which of the outlets is selected by the change-over valve means, wherein the control unit means includes means for predetermining different target temperatures corresponding to the respective target outlets, the target temperatures being in present individual ranges of the temperature of the water, and means for controlling the temperature adjusting means on the basis of the target temperature which corresponds to the selected outlet and which is in the preset individual range of the temperature of the water such that the target temperature at each location of said selected outlet cannot of exceeded by the actual temperature be water supplied to that outlet.

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