Cimetrics Senior Analysts presentation at the 2018 I2SL Annual Conference

Our Senior Analysts – Lisa Zagura and Julianne Rhoads presented: “BE A BTU HUNTER: How Big Data Analytics Can Achieve Energy and OM Savings While Improving Productivity, Comfort, and Sustainability at Laboratory Facilities”.
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Example of Fault Detection and Diagnostics: Pneumatic actuator leak and Filters in Alarm

Pneumatic actuator leak

The building HVAC systems are controlled via a DDC front end connected to pneumatic actuators out in the field.  The heating and cooling valves for a large 100% outdoor air-handling unit (AHU) were operating off of a common pneumatic air feed to the valve actuators.  The pneumatic line developed an air leak that caused the actuators to not open and close correctly.

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