Abstract: A method of detecting an operating condition of a controllable flow regulator in a fluid flow channel of an HVAC system, comprising transmitting a sonic signal, from a sonic transmitter, directly or indirectly to the flow regulator, the sonic signal being distinguished from background noise by being at least one of: (i) modulated according to a modulation schema, (ii) an ultrasonic signal, (iii) a frequency selected to be away from background noise, receiving a signal from a sonic receiver for detecting the transmitted signal after interacting with the flow regulator; and determining, in an electronic signal processor, the operating condition of the flow regulator on the basis of the signal received.

Abstract: The invention relates to an HVAC field device comprising a plurality of HVAC device blocks. The HVAC field device comprises: a) a base HVAC device block comprising: a base housing; an electric motor configured to drive an actuated part, and/or a sensor for the measurement of operational parameters of an HVAC system; a base control module connected to the electric motor, and/or the sensors; a base near field communication (NFC) circuit connected to the base control module; and b) a first add-on HVAC device block comprising: an add-on housing and a first add-on NFC antenna, wherein the base HVAC device block and the first add-on HVAC device block are mechanically connected, and wherein the first NFC antenna is electrically connected to the base HVAC device block.

Abstract: A flow control device for an HVAC fluid transportation system includes a sensor module and a logic module. The sensor module includes a flow measurement system to be connected with a flow tube and measures a volumetric flow of a fluid through the flow tube. The sensor module further includes a first electronic circuit connected electrically to the flow measurement system. The logic module is connected to the sensor module and includes a control signal output terminal and a second electronic circuit connected to the first electronic circuit. The second electronic circuit generates and applies on the control signal output terminal an actuator control signal, using the volumetric flow of the fluid measured by the flow measurement system, for an actuator, arranged outside the flow tube of the flow control device, to actuate a valve of the HVAC fluid transportation system.

Abstract: An electronic access control device for controlling data access to Heating, Ventilating and Air Conditioning (HVAC) devices of an HVAC system includes electronic communication circuits and a processor connected to the electronic communication circuits. An electronic communication circuit communicates via a first communication link with an external computing device, separate from the HVAC system. An electronic communication circuit communicates with one or more of the HVAC devices via a second communication link.

Abstract: An HVAC actuator (10), comprising: an electric motor (20) configured to move an actuated part (40) coupled to the electric motor (20); an electronic circuit (12) connected to the electric motor (20) and configured to control the electric motor (20); and an energy storage element (22) configured to provide electrical energy to the HVAC actuator (20) in absence of external power supply, wherein the electronic circuit (12) is further configured to receive operating commands directed to the actuated part (40), and to control the electric motor (20) to move the actuated part (40), responsive to the operating commands received in absence of external power supply.

Abstract: A flow control device (1) for an HVAC fluid transportation system comprises a flow tube (10) formed in one piece, a flow measurement system (11) integrated with the flow tube (10) and configured to measure a volumetric flow of fluid (?) through the flow tube (10), and an electronic circuit (12) arranged in a fixed fashion on the flow tube (10) and connected electrically to the flow measurement system (11). The flow control device (1) further comprises a control signal output terminal (13) attached to the flow tube (10) and connected to the electronic circuit (12). The electronic circuit (12) is configured to generate and apply on the control signal output terminal (13) an actuator control signal, using the volumetric flow of fluid (?) measured by the flow measurement system (11), for an actuator actuating a valve of the HVAC fluid transportation system (2) arranged outside the flow tube (10) of the flow control device (1).

Abstract: An HVAC actuator (1) comprises a motor (12), a motor controller (13) coupled to the motor (12), and a heating apparatus (14) thermally coupled to the HVAC actuator (1). The HVAC actuator (1) further comprises a condensation controller (15) coupled to the heating apparatus (14). The condensation controller (15) is configured to monitor at least one condensation parameter, and to control the heating apparatus (14) using the at least one condensation parameter.

Abstract: For controlling an HVAC component (3), a physical identifier object (5) associated with the HVAC component (3) is arranged in an area (41) with access to a wireless network (6) and at a location distant and separated from the HVAC component (3). Identifier information is obtained from the physical identifier object (5) by a mobile communication device (1) and transmitted via the wireless network (6) to a remote computer system (2). The remote computer system (2) returns HVAC component data linked to the identifier information. The mobile communication device (1) uses the component data for generating a user interface (100) for an HVAC virtual room unit for controlling the HVAC component (3). User commands received via the user interface (100) are transmitted by the mobile communication device (1) via the remote computer system (2) to the HVAC component (3) for controlling the HVAC component (3).

Abstract: An HVAC actuator (1) comprises an electric motor (11); an energy buffer (13) configured to store electrical energy from a power supply (2), and to provide the electrical energy to the motor (11); and a power limiting circuit (12) configured to limit input power from the power supply (2) to the energy buffer (13) to a threshold lower than motor power drawn by the motor (11) from the energy buffer (13).

Abstract: For generating for a user augmented reality information (12) related to an HVAC component (2), a circuit of a mobile communication device (1) obtains a component identification of the HVAC component (2) and generates the augmented reality information (12) using the component identification. The augmented reality information (12) is displayed on a display unit (11) of the mobile communication device (1) and includes a user interface element (121) for initiating an operation of the HVAC component (2). Responsive to activation of the user interface element (121), the circuit generates a control command for the operation of the HVAC component (2) and transmits the control command via a cloud-based computer system (3) to the HVAC component (2), commanding the HVAC component (2) to perform the operation and enabling the user to visually verify execution of the operation by the HVAC component (2).

Abstract: For controlling an HVAC component (3), a physical identifier object (5) associated with the HVAC component (3) is arranged in an area (41) with access to a wireless network (6) and at a location distant and separated from the HVAC component (3). Identifier information is obtained from the physical identifier object (5) by a mobile communication device (1) and transmitted via the wireless network (6) to a remote computer system (2). The remote computer system (2) returns HVAC component data linked to the identifier information. The mobile communication device (1) uses the component data for generating a user interface (100) for an HVAC virtual room unit for controlling the HVAC component (3). User commands received via the user interface (100) are transmitted by the mobile communication device (1) via the remote computer system (2) to the HVAC component (3) for controlling the HVAC component (3).

Abstract: A flow control device (1) for an HVAC fluid transportation system comprises a flow tube (10) formed in one piece, a flow measurement system (11) integrated with the flow tube (10) and configured to measure a volumetric flow of fluid (?) through the flow tube (10), and an electronic circuit (12) arranged in a fixed fashion on the flow tube (10) and connected electrically to the flow measurement system (11). The flow control device (1) further comprises a control signal output terminal (13) attached to the flow tube (10) and connected to the electronic circuit (12). The electronic circuit (12) is configured to generate and apply on the control signal output terminal (13) an actuator control signal, using the volumetric flow of fluid (?) measured by the flow measurement system (11), for an actuator actuating a valve of the HVAC fluid transportation system (2) arranged outside the flow tube (10) of the flow control device (1).

Abstract: A control adapter for fastening on a HVAC device includes a wireless communication interface for communicating control signals between a remote control device and the control adapter. A wireless near-field communication interface communicates control signals between the control adapter and the HVAC device. A control circuit converts the control signals received from the wireless communications interface into the control signals of the wireless near-field communication interface and converts the control signals received from the wireless near-field communication interface into control signals of the wireless communication interface.

Abstract: An HVAC actuator (1) comprises an electric motor (11); an energy buffer (13) configured to store electrical energy from a power supply (2), and to provide the electrical energy to the motor (11); and a power limiting circuit (12) configured to limit input power from the power supply (2) to the energy buffer (13) to a threshold lower than motor power drawn by the motor (11) from the energy buffer (13).

Abstract: An HVAC actuator (1) comprises a motor (12), a motor controller (13) coupled to the motor (12), and a heating apparatus (14) thermally coupled to the HVAC actuator (1). The HVAC actuator (1) further comprises a condensation controller (15) coupled to the heating apparatus (14). The condensation controller (15) is configured to monitor at least one condensation parameter, and to control the heating apparatus (14) using the at least one condensation parameter.

Abstract: A control adapter for fastening on a HVAC device includes a wireless communication interface for communicating control signals between a remote control device and the control adapter. A wireless near-field communication interface communicates control signals between the control adapter and the HVAC device. A control circuit converts the control signals received from the wireless communications interface into the control signals of the wireless near-field communication interface and converts the control signals received from the wireless near-field communication interface into control signals of the wireless communication interface.

Abstract: The invention relates to a control apparatus (3) for an HVAC system (5), wherein the control apparatus (3) has a communication module (33) for communicating with one or more components of the HVAC system (5). The control apparatus comprises a passive NFC transponder (34), which is set up to receive and store a unique identifier (341) of each of the one or more components from a mobile service apparatus (2) before a power supply for the control apparatus (3) is switched on, and a control module (35) which is set up to access stored identifiers (341) after a power supply for the control apparatus (3) has been switched on and to transmit control signals to components determined by the identifiers via the communication module (33). The invention also relates to a mobile service apparatus (2) and to components in the form of drives (1), sensor apparatuses, regulators, operating devices and/or communication devices of the HVAC system (5).

Abstract: A connecting device comprises housing, a board with electrical components, including at least one digital bus connection and an input/output section. It allows outsourcing of analog and digital I/O from a connected device, e.g. an HVAC actuator control unit by decentralizing inputs and outputs.

Abstract: A connecting device comprises housing, a board with electrical components, including at least one digital bus connection and an input/output section. It allows outsourcing of analogue and digital I/O from a connected device, e.g. an HVAC actuator control unit by decentralizing inputs and outputs.

Abstract: The invention relates to a control apparatus (3) for an HVAC system (5), wherein the control apparatus (3) has a communication module (33) for communicating with one or more components of the HVAC system (5). The control apparatus comprises a passive NFC transponder (34), which is set up to receive and store a unique identifier (341) of each of the one or more components from a mobile service apparatus (2) before a power supply for the control apparatus (3) is switched on, and a control module (35) which is set up to access stored identifiers (341) after a power supply for the control apparatus (3) has been switched on and to transmit control signals to components determined by the identifiers via the communication module (33). The invention also relates to a mobile service apparatus (2) and to components in the form of drives (1), sensor apparatuses, regulators, operating devices and/or communication devices of the HVAC system (5).