Selectable control energy and water conservation system

Details Selectable control energy and water conservation system Selectable control energy and water conservation system

1998-10-16

2000-03-21

Fox, John

Fluid handling

With heating or cooling of the system

Hot and cold water system having a connection from the hot...

13762412, F16K 4900

Patent

active

060390670

ABSTRACT:
The system is unique in that a structure's plumbing lines are effectively routed, to stop energy and water waste, while adding little to construction cost. Water pressure to hot water supply (50) is controlled through a selectable flow control valve (10). A hot water manifold (3) and check valves 42 and 43 produce a dual line connection, between hot water manifold (3) and the hot water use area. In the water saver mode, positioning selectable flow control valve (10) causes pump (4) to draw water from distribution conduit (6), through selectable flow control valve (10), through cold water manifold (12) and solenoid valve (37) to hot water supply (50). Pump (4) causes hot water to fill distribution conduit (6), to the hot water use area. This circulation delivers hot water to replace water standing in the line. Circulation period is determined by controller (22). When selectable flow control valve (10) is positioned to the use mode, supply pressure at cold water conduit (28) is applied through selectable flow control valve (10), then via cold water manifold (12), to hot water supply (50). Positioning selectable flow control valve (10) to the energy saver mode causes, cold water pressure to be interrupted to hot water supply (50) and directed through feedback conduit (72) and conduit (71), to a junction down stream from hot water manifold (3). Supply pressure forces hot water towards open hot water outlet (45), thus all hot water delivered from hot water manifold (3) is utilized.

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