Predictive Maintenance of HVAC Systems

Paper Summary:

This paper takes a look at the importance of predictive maintenance, otherwise known as condition monitoring, on HVAC systems. The paper focuses on chillers and cooling water circulation pumps and motors. The paper discusses how in the past, conventional maintenance approaches frequently resulted in equipment downtime as the result of faulty preventative maintenance systems; equipment would experience repeated failures due to over-capacity or design flaws that were not identified prior to being placed into operation.

Outline:
Background and Overview
Predictive Maintenance (Condition Monitoring) of HVAC Systems
Chillers and Cooling Water Circulation Pumps and Motors
Summary

From the Paper:

"The need to identify better maintenance techniques is also congruent with the observation by Frendedall and his colleagues that, "Over the past decade there has been increased recognition that in a world class organization, maintenance is not a separate, isolated function that makes repairs and performs assorted activities as needed. Rather, maintenance is a full partner striving together with the other functions to achieve the firm's strategic goals." In the past, conventional maintenance approaches frequently resulted in equipment downtime as the result of faulty preventative maintenance systems; equipment would experience repeated failures due to over-capacity or design flaws that were not identified prior to being placed into operation. According to Thatcher, "In each case, the fix is a relatively simple one. Once discovered, however, the cost to replace or repair it can have a major impact on the organization's ability to continue to produce." The reference to "strategic" is a common theme in the scholarly literature concerning appropriate predictive maintenance regimens, and these issues are discussed further below."

Sample of Sources Used:

• Adkins Sam S. 2003, November. "Happening Now: Web Services, Probably the Most Important Technological Step Forward since the Advent of the Web, Will Forever Alter Learning Technology, Content, and Services. There's No Turning Back," T&D, 57(11), 65.
• "First for Factory Maintenance: Condition Monitoring Is Now Playing a Vital Role in Efficient Factory Maintenance." 2005, April. African Review of Business and Technology, 41(4), 66.
• Fredendall, Lawrence D., Tom Griffin, William J. Kennedy, and J. Wayne Patterson. 1997. "Maintenance: Modeling Its Strategic Impact," Journal of Managerial Issues, 9(4), 440.
• Mangieri, Kay. 2002, October. "Making Instrument Maintenance Routine: Automated Maintenance Systems for Monitoring Instruments Offer Financial and Operational Advantages." Occupational Hazards, 64(10), p. 79.
• Pain, Steve. 2005, January 18. "Eurotunnel Solution in the Box," The Birmingham Post, 20.

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