08463442 is referenced by 20 patents and cites 1274 patents.

The disclosure includes an HVAC data processing and communication network and a method of manufacturing the same. One embodiment of the network includes a subnet controller, a system device and a system status display. The subnet controller is configured to communicate via a data bus. The first system device is configured to communicate via a data bus. The system status display is associated with the first system device and configured to produce a visual signal when the first device detects an error or alarm condition.

Title
Alarm and diagnostics system and method for a distributed architecture heating, ventilation and air conditioning network
Application Number
12/603499
Publication Number
8463442 (B2)
Application Date
October 21, 2009
Publication Date
June 11, 2013
Inventor
Wojciech Grohman
Little Elm
TX, US
Jacob Jennings
Irving
TX, US
Jimmie Curry
Allen
TX, US
Assignee
Lennox
TX, US
IPC
G01M 1/38
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