08564400 is referenced by 20 patents and cites 1291 patents.

The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a user interface and a system device. The user interface is configured to publish a privilege request message to a data bus. The system device is configured to receive messages via the data bus and to store configuration data in nonvolatile memory. The system device is further configured to enable a privileged operating mode not normally available to a user of the network in response to the privilege request message.

Title
Communication protocol system and method for a distributed-architecture heating, ventilation and air conditioning network
Application Number
12/603539
Publication Number
8564400 (B2)
Application Date
October 21, 2009
Publication Date
October 22, 2013
Inventor
Darko Hadzidedic
Plano
TX, US
Wojciech Grohman
Little Elm
TX, US
Assignee
Lennox
TX, US
IPC
G05B 23/02
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