A system of capturing waste heat includes a heat recovery unit (20) having a heat exchanger (35) arranged to transfer heat between a fluid circulating in a refrigerant loop (60) and a fluid circulating in a solar loop (70) and another heat exchanger (39) arranged to transfer heat between the fluid i
A system of capturing waste heat includes a heat recovery unit (20) having a heat exchanger (35) arranged to transfer heat between a fluid circulating in a refrigerant loop (60) and a fluid circulating in a solar loop (70) and another heat exchanger (39) arranged to transfer heat between the fluid in the solar loop (70) and a fluid circulating in a water loop (50). Controllable first, second, and third three-way valves (V1-V3) provide or prevent, depending on fluid temperatures, an A-B, B-C, and A-C flow path through the valve. The first valve (V1) is arranged in the water loop (50) upstream of the second heat exchanger (39). The second (V2) is arranged in the solar loop (70) upstream of the second heat exchanger (39). The third valve (V3) is arranged in the solar loop (70) between the first and second heat exchangers (35, 39).
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1. A system of capturing waste heat generated by a heating/cooling unit, the system comprising: a heat recovery unit (20) having a first heat exchanger (35) and a second heat exchanger (39);a water loop 50 containing a fluid and in being in communication with a water reservoir (51), a water pump (37
1. A system of capturing waste heat generated by a heating/cooling unit, the system comprising: a heat recovery unit (20) having a first heat exchanger (35) and a second heat exchanger (39);a water loop 50 containing a fluid and in being in communication with a water reservoir (51), a water pump (37), a first valve (V1), and the second heat exchanger (39), the first valve (V1) being a three-way valve and arranged to allow or prevent a flow of the fluid between the water reservoir (51) and the second heat exchanger (39), the water pump (37) having an on- and off-state;a solar loop (70) containing a fluid and being in communication with a solar panel (71), a solar pump (33), a second and third valve (V2, V3), and the first and second heat exchangers (35, 39), the second and third valves (V2, V3) each being a three-way valve, the second valve (V3) arranged to allow or prevent a flow of the fluid to the solar panel (71) and to the second heat exchanger (39), the third valve (V3) arranged to allow or prevent a flow of the fluid to the first heat exchanger (35), the solar pump (33) having an on- and off-state;a refrigerant loop (60) containing a fluid and being in communication with a heating/cooling unit (61) and the first heat exchanger (35), the heating/control unit (61) having an on- and off-state;sensors (41, 43, 45 or 81) arranged to measure, respectively, a temperature of the fluid in the water loop (50), the fluid in the solar loop (70), and the fluid in the refrigerant loop (60);a control system in communication with the sensors (41, 43, 45, 81, 143), valves (V1-V3), the pumps (33, 37), and the heating/control unit (61), the control system arranged to direct a flow of the fluid in the water loop (50), the fluid in the solar loop (70), and the fluid in the refrigerant loop (60) based in part on a relative temperature of each said fluid. 2. A system of capturing waste heat generated by a heating/cooling unit, the system comprising: a heat recovery unit (20) having: a first heat exchanger (35) arranged to transfer heat between a first fluid circulating in a refrigerant loop (60) of the first heat exchanger (35) and a second different fluid circulating in a solar loop (70) of the heat exchanger (35);a second heat exchanger (39) arranged to transfer heat arranged to transfer heat between the second different fluid circulating in the solar loop (70) and a third different fluid circulating in a water loop (50) of the second heat exchanger (39);a first, second and third valve (V1-V3), each valve being a three-way valve providing or preventing an A-B, B-C, and A-C flow path through the valve, the first valve (V1) arranged in the water loop (50) upstream of the second heat exchanger (39), the second (V2) arranged in the solar loop (70) upstream of the second heat exchanger (39), the third valve (V3) arranged in the solar loop (70) downstream of the second heat exchanger (39) and ahead of the first heat exchanger (35);a control system in communication with the valves (V1-V3) and arranged to change a flow path through the valves (V1-V3) in response to a temperature of the first, second, and third fluids. 3. A method for capturing waste heat generated by a heating/cooling unit, the method comprising the steps of: routing a fluid contained in a water loop 50 to a first valve (V1), the first valve (V1) being a three-way valve and arranged to allow or prevent a flow of the fluid between a water reservoir (51) and a second heat exchanger (39) of a heat recovery unit (20);routing a fluid contained in a solar loop (70) to a second and third valve (V2, V3), the second and third valves (V2, V3) each being a three-way valve, the second valve (V2) arranged to allow or prevent a flow of the fluid to a solar panel (71) and the second heat exchanger (39), the third valve (V3) arranged to allow or prevent a flow of the fluid to a first heat exchanger (35) of the heat recovery unit (20);routing a fluid contained in a refrigerant loop (60) containing a fluid and being in communication with a heating/cooling unit (61) to the first heat exchanger (35), the heating/control unit (61) having an on- and off-state;measuring a temperature of the fluid in the water loop (50), the fluid in the solar loop (70), and the fluid in the refrigerant loop (60); andselectively opening or closing a fluid pathway in each of said valves (V1-V3) based in part on a relative temperature of each said fluid.
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Meckler Gershon (2750 Ridge Valley Atlanta GA 30326), Air conditioning apparatus utilizing solar energy and method.
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