This document is one of a collection of reports for Project 2.6: Enhancement of the Whole-Building Diagnostician (WBD).
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This report summarizes the technical elements and results of the work performed to enhance the Whole-Building Diagnostician. As part of the CRADA with PNNL, KGS implemented the whole building energy diagnostician, a portion of outdoor air economizer diagnostician and a number of measures that automate the identification of re-tuning measures. The transfer of DOE-funded technologies will transform the commercial buildings sector by making buildings more energy efficient and also reducing the carbon footprint from the buildings.
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Finally, as part of this CRADA project, PNNL developed new processes to automate parts of the re-tuning process and transfer those process to KGS for integration into their software product. PNNL also provided validation data sets and the OAE software tool to validate the KGS implementation. As part of this CRADA, PNNL developed implementation documentation and provided technical support to KGS to implement the tool into their software suite. OAE diagnostician automatically detects and diagnoses problems with outdoor air ventilation and economizer operation for air handling units (AHUs) in commercial buildings using data available from building automation systems (BASs). PNNL also provided validation data sets and the WBE software tool to validate the KGS implementation.
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As part of this CRADA, PNNL developed implementation documentation and provided technical support to KGS to implement the tool into their software suite, Clockworks. WBE diagnostician is currently licensed non-exclusively to one company. PNNL has previously developed two diagnostic tools: (1) whole building energy (WBE) diagnostician and (2) outdoor air/economizer (OAE) diagnostician. The CRADA project had three major focus areas: (1) Technical Assistance for Whole more » Building Energy Diagnostician (WBE) Commercialization, (2) Market Transfer of the Outdoor Air/Economizer Diagnostician (OAE), and (3) Development and Deployment of Automated Diagnostics to Improve Large Commercial Building Operations. The report provides an introduction and summary of the various tasks performed under the CRADA. PNNL and KGS both believe that the widespread adoption of AFDD tools will result in significant reduction to energy and peak energy consumption.
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Department of Energy's Pacific Northwest National Laboratory (PNNL) and KGS Building LLC (KGS). The work described in this report was done as part of a Cooperative Research and Development Agreement (CRADA) between the U.S. These diagnostic processes can be used to make the commercial buildings more energy efficient.
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Department of Energy's (DOE) Building Technology Program (BTP) has previously invested in developing and testing of such diagnostic tools for whole-building (and major system) energy use, air handlers, chillers, cooling towers, chilled-water distribution systems, and boilers. Automated fault detection and diagnostic (AFDD) tools provide capabilities essential for detecting and correcting these problems and eliminating the associated energy waste and costs. 2000, Katipamula and Brambley 2008, and Brambley and Katipamula 2009). Operational faults are pervasive across the commercial buildings sector, wasting energy and increasing energy costs by up to about 30% (Mills 2009, Liu et al.