Articles Tagged with ''controls''

Thermal expansion valve: Danfoss

Danfoss says it has developed the new TU with F-charge TXV to help OEMs meet the new U.S. Department of Energy commercial refrigeration energy efficiency standards. The new F-bulb charge delivers low superheat in low- and medium-temperature refrigeration ranges, includes asymmetric ballast material that is proven to deliver more stable temperature control and, like all Danfoss TXV bulb charges, is HCFC-22 free.


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Boiler control: Harsco Corporation

Harsco Corp. announced a planned market introduction of its all-new NURO™ touchpad control platform for its Patterson-Kelley boiler product line. Developed exclusively by Harsco, the proprietary NURO™ is the latest in the company’s Patterson-Kelley line of customer-focused boiler product innovations, including the introduction last year of its energy-efficient SONIC™ stainless steel boiler and its MACH N’ROLL™ domestic hot water heating system.


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BUILDING AUTOMATION

Impact Of ASHRAE 90.1 On Controls And BAS Design

As states adopt more stringent energy codes, here is what you need to know.
In an effort to improve energy efficiency for commercial buildings, ASHRAE, IES, ANSI, and the DOE have been working diligently to increase the stringency of state energy codes.
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Cylon Energy acquires American Auto-Matrix

Cylon Energy Inc. announced it will purchase American Auto-Matrix, a manufacturer of building automation systems and critical environments controls.


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Building Automation

Controls Optimization: No Longer Optional

Updated codes continue the push for better controls work as high performance edges further into the mainstream.
At one time, it might have been acceptable to view controls as a “necessary evil” with little attention given to the details of design including sequences and commissioning
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Commissioning

Unsampled Systems

Choosing not to sample every system can be a gamble, but here are some ways to lower your risk.
Over the past two months, this column has addressed the issue of sampling systems for field functional performance testing
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Trane ‘Acceleration Now’ tour launches in April

Trane has announced that it is hitting the road in 2014 to bring its commercial HVAC products to building owners and operators, architects, and engineers across North America.


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Room Control: Distech Controls

Distech Controls has introduced its Integrated Room Control (IRC) solution for the control of HVAC room terminal equipment (BACnet® or LONWORKS®), lighting, and shades. The company says this modular solution achieves the highest level of comfort for occupants while increasing operating cost savings for local or room applications, such as offices, patient rooms, dorms, and more.


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Commissioning

Functional Performance Test Sampling

Testing it all typically isn’t an option. How to determine what (and how many) to check?
In the standard commissioning process, there are two primary technical activities that occur on site at the end of construction and prior to systems acceptance by the owner.
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Letters To The Editor

I just read (Rebecca Ellis’s) article in the May 2013 issue of Engineered Systems magazine (“The Importance of MEP Coordination”).
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