| 摘要 |
<p>A control system (7) for mixing valves in heating/cooling plants comprises: a) a temperature probe for sensing the temperature at the mixing valve, b) an actuator cooperating with the mixing valve and comprising an electric motor (13), and c) a control electronics (22) arranged between the temperature probe and actuator, in which control system is provided that: - the components a), b), and c) are operatively reunited and intercoupled to form a control unit, which is preferably housed in an housing shell (9, 10) to be associated with the mixing valve, and - the electric motor is an electronically controlled step motor.</p> |
