ES1049521U - Thermal-solar system open low temperature, forced circulation. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Low temperature, open-circuit, forced-circulation, solar thermal system, consisting of a primary circuit and a secondary circuit, designed to collect heat energy from solar radiation and after heating a first circulating fluid through the circuit primary, transfer this heat energy to the circulating fluid by the primary circuit for use as a heating aid or domestic hot water, whose secondary circuit includes boiler means for heating, heating pump means to feed the corresponding emitting elements with hot fluid, and a sanitary hot water accumulator (dhw) associated with a corresponding supply pump, characterized in that said primary circuit, associated with the collectors (1) for capturing the energy, with the use of an expansion vessel (2). ) to absorb the differences in pressure and volume originated in the fluid or with changes in temperature, and a thermostat (3) in charge of measuring the temperature of the circulating fluid at the outlet of the collectors (1) and tared at a temperature level (t 1 ) of predetermined value, the outputs of said manifolds (1) being hydraulically connected, to a closed loop constructed by a heat exchanger (8), a circulating pump (5) determining the forced circulation of the fluid and a cooling element (4), with the use of a three-way valve (6) included in one of the connection branches to the mentioned closed loop, the operation of the circulating pump (5) being controlled by the temperature detected by the thermostat (3) so that it is started only when said temperature is higher than the reference value, and the incorporation of an electronic control board has also been foreseen. (Machine-translation by Google Translate, not legally binding)