Method and device for temperature control of the heating medium of a closed loop heating system with minimum temperature limitation.

摘要

A method for temperature control of the heating medium of a closed loop heating system operated with a burner envisages that this control is carried out depending upon both the actual temperature of the heating medium and the outside temperature, and more particularly both by control of the burner capacity and by control of the circulating speed of the heating medium, the control of the circulating speed of the heating medium being started preferably only when a predetermined minimum temperature of the heating medium is reached. A device which is suitable for implementing the method comprises a control (6), to which are connected both an outside temperature sensor (7) and a temperature sensor (12) arranged in the forward run (10) of the closed loop heating system (10, 11), and which can control both the fuel supply to the burner (1) of the heat exchanger (2) via a fuel supply valve (3) and also the speed of the circulating pump (9) depending upon the temperatures measured.