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Articles Tagged with ''O&M''

Condensing Boilers: Maximizing Benefits

Using and optimizing a heating hot water reset schedule improves efficiencies.
Condensing boilers, while commonly installed for heating hot water applications, often fail to deliver their inherent efficiency advantage because of deficiencies in the system design, start-up, and operation.
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Chillers Past, Present and Future

A couple of industry pros weigh in on how past ‘best practices’ sometimes get in the way of current potential, and on where technology might point.
We had an idea to try something different this month — invite chiller manufacturers to give us their insights on one of two topics. We invited them to either talk about common errors in project design/installation/O&M, with an eye toward helping readers get the intended performance out of their equipment. Or, they could write about what they see happening in this sector in the future. In a stroke of good luck, we had one response to each question. – Ed.)
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Building Automation

Building Automation Evolution

In our data-rich world, the next big leap is just getting off the ground.
There are many elements to a BAS. Of course, the ability to control systems through direct digital control (DDC) is always a require-ment, but ideally, we expect these systems to be much more.
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Editor's Note

Modern Building or HVAC Museum

How much history is in your O&M routine?
Each issue of ES sports a theme, but occasionally a theme beneath a theme evolves from the separate articles and columns. I like when that happens.
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Building Automation

BAS and Cybersecurity

Don’t stop working to stay ahead while the industry catches up.

During the President’s recent State of the Union address, one of the key initiatives identified dealt with the issue of cybersecurity. This was supported by a new White House initiative focused on protecting critical infrastructure from attacks. 


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Good Practices For Mechanical Repair Of Electric Motors

Motor problem documentation, grease compatability, fits for bearings … these are just three aspects covered in ANSI/EASA AR100. Whether you maintain your own motors or simply own them and require proper maintenance, understanding the concerns, resources, and recommendations of AR100 will encourage proper repairs and longer service life.


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Case in Pont

Sleeping easier: Vermont hotel’s pump retrofit gives peace to both patrons and facility manager

Kevin Amyot had serious qualms last spring when contractor Ed Friedrich first proposed a major pump-retrofit project at the Sunset Motor Inn, one of the properties Amyot manages for the H. A. Manosh Corporation in Morrisville, VT. Friedrich’s $13,000 estimate called for the replacement of 18 fixed-speed circulating pumps in the heating system at the Sunset with 10 circulators from the Grundfos Pumps Corporation.
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Building Automation

Tipping Point For Fault Detection And Diagnostics?

California may be sowing the seeds of improved troubleshooting.
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Up The Commercial Kitchen Ventilation Hood Type I Stack: No Problems Or Complaints

Leakage caused by modern cleaning techniques, evolving codes, increased airflow requirements ... kitchen ventilation design has become more complicated than the old sizing and design challenges. Of course, they’re still around, too. Grease is the word, so review these tips to keep it from popping up in the wrong places.
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Accidents Of The Spilt Ilk

Sometimes life imitates the movies. Other times, we’re not so lucky.
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ES Gallery: Snapshots & Systems

Check out highlights from projects featured in our magazine this year!

Engineered Systems Magazine

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2014 December

Check out the December 2014 issue of Engineered Systems.
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Tomorrow's Environment Podcast

This series from longtime columnist and chronic forward-thinker Howard McKew covers a lot of ground -- from retrocommissioning to systems training, on toward checklists for drawings and tips for meeting minutes. Click HERE to be taken to the podcast page!

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