Belimo Holding Ag

Philipp Mazenauer

Marc Thuillard

Ronald Aeberhard

A method of controlling opening of a valve in an HVAC system is provided. The method includes controlling the opening of a six-way-valve according to a default control mode in dependence of a default sensor signal, the six-way-valve fluidicly coupling an inlet side and an outlet side of the heat exchanger alternatively with a first fluidic circuit in a first default control mode or a second fluidic circuit in a second default control mode; selecting a selected default control mode from the first default control mode and the alternative second default control mode; determining, while controlling the valve in the selected default control mode, whether the sensor signal is faulty; and switching, in case the signal is faulty, to controlling the opening according to a first fallback control mode or an alternative second fallback control mode, where the opening is controlled independently of the faulty sensor signal.

Valve control in an HVAC system with sensors

The present disclosure is directed towards a method of controlling opening of a valve () in an HVAC system (). The method includes controlling the opening of the valve () according to a default control mode in dependence of a default sensor signal. The method further includes determining, while controlling the opening of the valve () according to the default control mode, whether the default sensor signal is faulty and switching, in case of the default sensor signal being faulty, to controlling the opening of the valve () according to a fallback control mode, with the opening of the valve () being controlled independently of the faulty sensor signal in the fallback control mode. The present invention is further directed towards a corresponding control device opening of a valve () in an HVAC system as well as a corresponding computer program product.

Growing community of inventors

Jona, Switzerland

Philipp Mazenauer