The equipment of the invention includes a boiler, a hot water storage tank, a duct for supplying domestic cold water, and a duct for tapping domestic hot water, wherein said equipment is characterized in that the duct for supplying cold water comprises a T-shaped connector connected by a duct provid
The equipment of the invention includes a boiler, a hot water storage tank, a duct for supplying domestic cold water, and a duct for tapping domestic hot water, wherein said equipment is characterized in that the duct for supplying cold water comprises a T-shaped connector connected by a duct provided with a storage vessel to a re-circulation duct connecting the tank to the inlet duct, provided with a pump, of the boiler, and in that the outlet duct of the boiler is provided with a three-way valve connected by a by pass duct to said T-shaped connector, wherein said valve can selectively assume a position in which it ensures communication between the boiler outlet and the central portion of the tank, or a position in which it ensures communication between the boiler outlet and said bypass duct.
대표청구항▼
1. An installation for producing sanitary hot water, which comprises a boiler, a tank for storing hot water, a sanitary cold water intake conduit, a conduit for feeding the boiler with water to be heated, provided with a pump capable of ensuring circulation of the water to be heated towards the boil
1. An installation for producing sanitary hot water, which comprises a boiler, a tank for storing hot water, a sanitary cold water intake conduit, a conduit for feeding the boiler with water to be heated, provided with a pump capable of ensuring circulation of the water to be heated towards the boiler when the pump is started and of preventing the circulation when the pump is stopped, a conduit for drawing sanitary hot water, and a conduit for the outflow of the heated water from the boiler, wherein said sanitary cold water intake conduit is connected via a first “T” connector to the boiler feeding conduit and to a recirculation conduit opening out into a low portion of the tank for storing hot water, while the boiler outlet conduit opens out approximately at a half-height of the hot water storage tank and the water drawing conduit opens out into an upper portion of the hot water storage tank, the sanitary cold water intake conduit being provided with a second “T” connector placed upstream from the first “T” connector, wherein:a portion of the sanitary cold water intake conduit connects the second and first “T” connectors, the portion being equipped with a small storage tank that is positioned between said first and second “T” connectors, a capacity of the small storage tank being less than that of the hot water storage tank; andthe conduit for the outflow of the heated water out of the boiler is equipped with a three-way valve which is connected through a bypass conduit to the second “T” connector, the three-way valve selectively occupying either a primary position, in which the three-way valve has the boiler outlet communicate with the half-height portion of the hot water storage tank, to distribute the water issued from the boiler in the half-height portion of the hot water storage tank, or a secondary position, in which the three-way valve has the boiler outlet communicate with the bypass conduit to distribute the water issued from the boiler in the bypass conduit. 2. The installation according to claim 1, wherein the boiler is a gas or fuel oil boiler. 3. The installation according to claim 2, wherein the boiler includes a gas or fuel oil burner capable of heating the water circulating in a tubular coil in stainless steel which surrounds the burner. 4. The installation according to claim 1, wherein the capacity of the small storage tank is approximately equal to the capacity of the whole of the tubing connected to the hot water storage tank, downstream from the second “T” connector, including the tubing passing through the boiler. 5. The installation according to claim 1, wherein said small storage tank is independent of said hot water storage tank and is located outside the hot water storage tank. 6. The installation according to claim 1, wherein said small storage tank forms a compartment of said hot water storage tank and is located in the lower portion of the hot water storage tank. 7. The installation according to claim 1, wherein said three-way valve is a solenoid valve. 8. The installation according to claim 7, further comprising at least three temperature sensors capable of measuring the temperature of the water which circulates therein, the at least three temperature sensors including: a sensor which senses the temperature inside the hot water storage tank in the low portion of the hot water storage tank, but at a level above the one at which said recirculation conduit opens out;a sensor which senses the temperature at the outlet of the boiler; anda sensor which senses the temperature inside the hot water storage tank in the upper portion of the hot water storage tank, in proximity to the inlet of the water-drawing conduit. 9. The installation according to claim 8, wherein the installation is equipped with a control and regulation circuit comprising a control unit capable of controlling the starting or stopping of the boiler and of the pump and of controlling the three-way valve depending on temperature signals which are provided to the valve by the temperature sensors according to a determined operating program. 10. The installation according to claim 1, wherein a first portion of the small storage tank is fluidly connected with a first section of said sanitary cold water intake conduit, such that the first portion is effective to intake cold water from said sanitary cold water intake conduit, and a second, different portion of the small storage tank is fluidly connected with a separate second section of said sanitary cold water intake conduit, such that the second portion is effective to discharge cold water from said small storage tank.
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