Diagnostic system for use in an environment control network
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United States of America Patent
Stats
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Aug 29, 1995
Grant Date -
N/A
app pub date -
Apr 28, 1994
filing date -
Apr 28, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention relates to a diagnostic system for use in a network control system. The diagnostic system is preferably utilized to analyze VAV box performance in an environmental control system such as a network facilities management system. The diagnostic system advantageously allows the serviceperson to perform diagnostic tests on VAV boxes from a remote location. Flat box warnings, starved box warnings, box excessive damper hysteresis warnings, oversized box warnings, damper stroke out of bounds warnings, as well as other box and damper warnings may be provided by the diagnostic system. Preferably, the diagnostic system formats the air flow data so that it can be displayed for graphing. The diagnostic system causes individual controls to adjust the damper positions. Air flow parameters for each position are communicated to the remote location.
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