Alarm and diagnostics system and method for a distributed-architecture heating, ventilation and air conditioning network
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United States of America Patent
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Apr 30, 2013
Grant Date -
Apr 29, 2010
app pub date -
Oct 21, 2009
filing date -
Oct 27, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In one embodiment, the HVAC data processing and communication network includes a system device, a subnet controller and a user interface. The system device is configured to receive a control message from a data bus and operate according to a control setting communicated thereby. The system device is further configured to generate an alarm message in the event that the device enters an alarm state in response to an alarm condition. The user interface is configured to receive the alarm message and display alarm information in response to the message. The subnet controller is configured to provide operational control of the system device via the control message. The operational control is decoupled from the alarm message.
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