FIELD: control and measuring devices.
SUBSTANCE: invention relates to a method and system for automated control of installation for heating, ventilation and air-conditioning. Apparatus includes following: a fluid flow duct and a fluid flow valve which has a valve body arranged in fluid flow duct, a valve motor, as well as a control circuit for activating valve motor, a sensor in fluid flow duct, and a module for processing signals of sensor. First signal is preset for valve motor, wherein said signal corresponds to first position of valve body, signal of sensor is recorded and functional diagnosis is determined based on said signal.
EFFECT: this allows control over serviceability of valve and unit.
17 cl, 4 dwg
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