HVAC System Fault Root Cause Self-Determination
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United States of America Patent
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Issued Date -
Aug 1, 2013
app pub date -
Jan 25, 2013
filing date -
Jan 26, 2012
priority date (Note) -
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Abstract
A method for self-determining a root cause of a system fault in a heating, ventilation, and cooling (HVAC) system includes receiving a fault message indicative of a fault condition in an operating characteristic of the HVAC system; determining a causal relationship between the fault condition and a predetermined list of root causes associated with the fault condition; receiving information indicative of operating conditions of the HVAC system; and eliminating at least one root cause that is unrelated to the fault condition in response to the receiving of the information.
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