摘要 |
<p>A dual-energy heater comprising inter alia an electric boiler (2), a back-up boiler (7), a domestic hot water heating tank (3), a hydraulic circuit (4) provided with circulating pumps (8, 9, 10), is regulated by a central control (1) which permits the setting in operation or the stopping of the abovementioned elements (2, 3, 7, 8, 9, 10), in any order, and according to a cycle determined as a function of the operating mode of the heater. The central control (1) comprises automatic (12 to 20) and/or manual (22, 23, 24) means of selection of the operating mode of the heater and electromechanical control means (28 to 36) for the electric boiler (2), of the back-up boiler (7) and of the circulating pumps (8, 9, 10), these elements (2, 7, 8, 9, 10) being set in operation or stopped by the automatic sequencing means (51). <IMAGE></p> |