HVAC network verification system
First Claim
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1. A process for verifying the operability of at least one HVAC device in a communication network, said process comprising the steps of:
- sending a message from a network control device to the HVAC device, the message including information for prompting the HVAC device to initiate a visible display on the HVAC device if the message is successfully processed by the HVAC device;
receiving, at the HVAC device the message from the network control device and thereafter processing the information for prompting the HVAC device to initiate a visible display; and
automatically initiating a visible display on the HVAC device when the message is received and processed by the HVAC device whereby the visible display may be easily observed by a person wishing to check the physical location where the HVAC device has been installed.
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Abstract
A system for verifying the operability of one or more HVAC devices in a communication network includes a network control device that sends a particular type of message to the HVAC devices. Each HVAC device receiving the message will initiate a clearly visible display on the HVAC device if the message is appropriately processed within the receiving HVAC device. Each HVAC device may be visually checked to confirm that it is in fact responding to the message from the network control device.
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Citations
30 Claims
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1. A process for verifying the operability of at least one HVAC device in a communication network, said process comprising the steps of:
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sending a message from a network control device to the HVAC device, the message including information for prompting the HVAC device to initiate a visible display on the HVAC device if the message is successfully processed by the HVAC device;
receiving, at the HVAC device the message from the network control device and thereafter processing the information for prompting the HVAC device to initiate a visible display; and
automatically initiating a visible display on the HVAC device when the message is received and processed by the HVAC device whereby the visible display may be easily observed by a person wishing to check the physical location where the HVAC device has been installed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
noting within the network control device when an election has been made to send the message; and
repetitively transmitting the message to the HVAC device until such time as an election has been made to terminate transmission of the message.
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3. The process of claim 2 wherein said step of noting when an election has been made to send the message comprises the step of:
noting the status of a circuit in the network control device which indicates whether a button has been depressed or released on the network control device.
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4. The process of claim 2 wherein said step of repetitively transmitting the message to the HVAC device until such time as an election has been made to terminate the message comprises the steps of:
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noting the status of a circuit in the network control device which indicates whether a button has been depressed or released on the network control device;
terminating the repetitive transmission of the message when the status of the circuit indicates that the button has been depressed or released.
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5. The process of claim 4 further comprising the steps of:
terminating the repetitive transmission of the message to the HVAC device after a predetermined period of time has expired following the initial transmittal of the message from the network control device.
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6. The process of claim 2 wherein said step of initiating a visible display on the HVAC device comprises:
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automatically initiating a visual display following the processing of the message from the network control device; and
setting a predetermined period of visual display time during which the visual display will continue to occur without receipt of a further transmitted message from the network control device wherein the predetermined period of visual display time is greater than the maximum period which may elapse between repetitive transmissions of the message from the network control device.
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7. The process of claim 6 wherein said step of initiating a visual display comprises the step of:
intermittently triggering the flashing of a panel of light emitting diodes on the HVAC device so as to produce a visible blinking of the panel of light emitting diodes.
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8. The process of claim 1 wherein said step of automatically initiating a visible display on the HVAC device comprises:
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automatically initiating a visual display following the processing of the message from the network control device; and
setting a predetermined period of visual display time during which the visual display will continue to occur without receipt of a further message from the network control device.
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9. The process of claim 8 wherein said step of automatically initiating a visual display comprises the step of:
intermittently triggering the flashing of a panel of light emitting diodes on the HVAC device so as to produce a visible blinking of the panel of light emitting diodes.
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10. The process of claim 1 wherein the message sent by the network control device includes a particular identification as to the type of message being sent and wherein said step of receiving, at the HVAC device, the message from the network control device and thereafter processing the information for prompting the HVAC device to initiate a visible display comprises the steps of:
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receiving the message at the HVAC control device; and
checking the received message for the particular identification as to type of message;
whereby a visual display is initiated only when the received message contains the particular identification as to type of message.
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11. A process for verifying the operability of HVAC devices grouped into individually identifiable zones of HVAC devices, each HVAC device having a display panel associated therewith, said process comprising the steps of
sending a message from a network control device to the HVAC devices, the message including an identification of only one of the particularly identified zones; - and
automatically initiating a visible display on each display panel associated with each HVAC device in the particularly identified zone that receives the message from the network control device whereby the visible display on each display panel of each such HVAC device may be viewed by any person checking the physical locations of each HVAC device in the particularly identified zone. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
noting within the network control device when an election has been made to send the message; and
repetitively transmitting the message to the HVAC devices until such time as an election has been made to terminate transmission of the message.
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13. The process of claim 12 wherein said step of noting when an election has been made to send the message comprises the step of:
noting the status of a circuit in the network control device which indicates whether a button has been depressed or released on the network control device.
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14. The process of claim 12 wherein said step of repetitively transmitting the message to the HVAC device until such time as an election has been made to terminate the message comprises the steps of:
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noting the status of a circuit in the network control device which indicates whether a button has been depressed or released on the network control device;
terminating the repetitive transmission of the message when the status of the circuit indicates that the button has been depressed or released.
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15. The process of claim 14 further comprising the step of:
terminating the repetitive transmission of the message to the HVAC devices after a predetermined period of time has expired following the initial transmittal of the message from the network control device.
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16. The process of claim 12 wherein said step of initiating a visual display on a display panel associated with each HVAC device of the particularly identified zone that receives the message comprises the steps of:
setting a predetermined period of visual display time during which the visual display will continue to occur without receipt of a further transmitted message from the network control device wherein the predetermined period of visual display time is greater than the maximum period which may elapse between repetitive transmissions of the message from the network control device.
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17. The process of claim 14 wherein said step of automatically initiating a visual display comprises the step of:
intermittently triggering the flashing of a panel of light emitting diodes on each HVAC device so as to produce a visible blinking of the panel of light emitting diodes.
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18. The process of claim 11 wherein said step of automatically initiating a visual display on a display panel associated with each HVAC device of the particularly identified zone that receives the message comprises:
setting a predetermined period of visual display time during which the visual display will continue to occur without receipt of a further message from the network control device.
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19. The process of claim 18 wherein said step of automatically initiating a visual display comprises the step of:
intermittently triggering the flashing of a panel of light emitting diodes on each HVAC device so as to produce a visible blinking of the panel of light emitting diodes on each HVAC device.
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20. The process of claim 11 wherein the message sent by the network control device includes a particular identification as to type of message being sent and wherein said step of automatically initiating a visible display on each display panel associated with each HVAC device when the message is received and processed by the HVAC device comprises the steps of:
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receiving the message at the HVAC control device;
checking the received message for the particular identification as to type of message; and
initiating a visual display only when the received message contains the particular identification as to type of message.
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21. A system for verifying the operability of a plurality of HVAC devices in communication with at least one control device, said system comprising:
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a processor within said control device which sends a message to each of said plurality of HVAC devices, the message including information that will prompt each HVAC device to initiate a visible display if the message is successfully processed by the HVAC device; and
a plurality of HVAC device processors for processing the message received from said control device, each of said HVAC device processors including means for automatically initiating a visible display on a display panel associated with the HVAC device processor in response to a reading of the information in the message. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30)
means for noting when an election has been made to send the message; and
means for repetitively transmitting the message to the HVAC device until such time as an election has been made to terminate transmission of the message.
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23. The system of claim 22 wherein said means for noting when an election has been made to send the message comprises:
means for noting the status of a circuit in the control device which indicates whether a button has been depressed or released on the control device.
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24. The system of claim 23 wherein said means for repetitively transmitting the message to the HVAC device until such time as an election has been made to terminate the message comprises:
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means for noting the status of a circuit in the control device which indicates whether a button has been depressed or released on the control device; and
means for terminating the repetitive transmission of the message when the status of the circuit indicates that the button has been depressed or released.
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25. The system of claim 24 wherein said processor within said control device further comprises:
means for terminating the repetitive transmission of the message to the HVAC devices after a predetermined period of time has expired following the initial transmittal of the message to the HVAC devices.
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26. The system of claim 22 wherein each HVAC device processor further comprises:
means for setting a predetermined period of time during which the visual display will continue to occur on the display panel associated with the HVAC device processor without the HVAC device having received any further repetitively transmitted messages from said control device.
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27. The system of claim 26 where the display panels associated with each of said plurality of HVAC device processors is a panel of light emitting diodes and said means for initiating a visible display on the display panels comprises:
mean for intermittently triggering the flashing of said panel of light emitting diodes so as to produce a visible blinking of the panel of light emitting diodes.
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28. The system of claim 21 wherein each HVAC device processor further comprises:
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means for setting a predetermined period of time during which the visual display will continue to occur on the display panel associated with the respective HVAC device processor; and
means for terminating the visual display on the display panel if a further message has not been received from the control device before the predetermined period of time elapses.
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29. The system of claim 28 wherein the display panels associated with each of said plurality of HVAC device processor is a panel of light emitting diodes and said means for automatically initiating a visible display on the display panels comprises:
means for intermittently triggering the visible blinking of said panel of light emitting diodes.
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30. The system of claim 21 wherein the message sent by said processor within said control device includes an identification of the particular type of message being sent and wherein each of said means for automatically initiating visible displays on display panels associated with each of said plurality of HVAC device processors comprises:
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means for noting whether a message received from the control device contains the identification of the particular type of message; and
means for initiating a visual display on the display panel associated with the HVAC device processor when the received message contains the identification of the particular type of message.
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Specification