System recovery in a heating, ventilation and air conditioning network

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United States of America Patent

PATENT NO 8255086
APP PUB NO 20100106315A1
SERIAL NO

12603490

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Abstract

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The disclosure provides various embodiments of systems and methods of generating a heartbeat in an HVAC system and networks. In an embodiment, a method includes a heartbeat message being sent by a first subnet controller upon the first subnet controller taking active control of a subnet of the HVAC network. The active heartbeat message timer is reset. Another heartbeat message is sent if a specified amount of time has elapsed since a previous heartbeat message was sent by said heartbeat generator.

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Patent Owner(s)

  • LENNOX INDUSTRIES INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Grohman, Wojciech Little Elm, US 59 3145

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