Alarm and diagnostics system and method for a distributed-architecture heating, ventilation and air conditioning network

US8994539B2 · kind B2 · utility

Assignee

• Lennox Industries Inc. · US

Inventors

• Wojciech Grohman · Little Elm, US
• Darko Hadzidedic · Carrollton, US
• Amanda Filbeck · Guthrie, US
• Timothy E. Wallaert · Wylie, US
• Timothy H. Thorson · McKinney, US
• Thomas Gerard Pavlak · Commerce, US
• Jacob Jennings · Duluth, US

Key dates

• Filing date: Oct 21, 2009
• Grant date: Mar 31, 2015
• Expiry date: Jun 30, 2031

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F24F11/54
• WIPO field: Control
• WIPO sector: Instruments

Abstract

The disclosure includes 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 and a user interface. The system device is configured to store alarm data in local memory in response to an alarm event. The user interface is configured to send an alarm request message to the system device, and to receive an alarm reporting message including alarm data from the system device via a data bus.