Cooling & Chillers

Building Automation

Chiller Plant Control

While chilled water plants can range in complexity, the fundamentals are the same.
By Paul Ehrlich, P.E.
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Chilled water plants tend to be one of the most energy intensive areas of a commercial building.
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Case In Point

Florida prison escapes higher costs with desuperheaters

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Florida, like most southern states, has an abundance of sunshine throughout the year.
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Malfunction At The Museum

An air handling unit that hasn’t worked since, well, ever. Chillers that have to work more often as a result — and an extra chiller just to attack the affected zone. These were the obvious symptoms, but what was the cause?
By Douglas Lucht, P.E.
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One of my favorite stories is about when I fixed a poorly performing air handling system at a local art museum.
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Case In Point

Plastic cooling towers cure hospital’s maintenance, energy cost symptoms

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It’s no secret that hospitals contain some of the most diverse and demanding environments that require dependable performance of the HVAC system.
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Case In Point

Training center’s VRF installation turns heads with linesets, mounting

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Quietside recently expanded its Forth Worth-based training center, and the distributor hopes that individuals attending classes will learn as much about installation aesthetics as they will about Samsung’s variable refrigerant flow systems.
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EDITOR’S NOTE

Can’t-Fail Facilities

From microsite to going live on-site at AHR, we’re putting the spotlight on critical environments.
By Robert Beverly
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Critical facilities … it’s not just about data centers, much like this magazine has evolved to be much more than our traditional dead-tree issue.
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Chiller Retrofit: The Attraction Of Magnetic Bearings

With multiple expansions and projects, a DC-area hospital also had to plan for cooling that could keep up with developing demands and spaces.
By Richard M. Heim, P.E., LEED AP and Paul J. Orzewicz, P.E.
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When the facilities management staff of Mount Vernon Hospital completed an assessment of its central chilled water plant, it became evident that while the original chillers had served the hospital well since its opening in 1975, they were ready for replacement.


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The X-Factor: Y Should U Care?

Unprecedented vendor-neutral data has been brought down from the mountain on a digital tablet.
By Kevin Dickens, P.E.
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Unprecedented vendor-neutral data has been brought down from the mountain on a digital tablet. That’s helpful for data center designers, but applying a little thought and site-specific consideration can reveal the path to wisdom in areas like failure rate, noise, power draw versus temperatures, and more.
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Tomorrow's Environment

Designing A Central Chiller Plant Equipment Room

It turns out that heat stroke, difficult access to equipment, and concussion are all detriments to good maintenance.
By Howard McKew, P.E., C.P.E.
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Here are a few interesting things to keep in mind when designing an equipment room. First, these spaces usually take up 7% of the gross floor space when located within the building or on the roof.
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VRF Heat Pumps In The Real World

Wide temperature swings, submetering deficiencies, bloated carbon footprint … these are but three of the problems tackled in two contrasting projects in the Northwest.
By Marcia Karr
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How is variable refrigerant flow (VRF) working for you? We asked a number of people that question and summarized the findings from two typical facilities here.
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ES Gallery: Snapshots & Systems

Check out highlights from projects featured in our magazine this year!
9/25/14 2:00 pm EDT

Test Anxiety? Learn How and When to Test Your Standby Generator

This webinar will discuss generator reliability, testing, and troubleshooting from a practical perspective and make recommendations for a comprehensive inspection and testing program.

Engineered Systems Magazine

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2014 September

Check out the September 2014 issue of Engineered Systems, with features on radiant panels, refrigerant flow systems, and much more!

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