| FASTRACK Features |
| Keeping It Simple With Data-Center Cooling By BUDDY PHILLIPS, Atlas Sales & Rentals Inc. |
| Most engineers are well-aware of the "K.I.S.S." principle. This somewhat tongue-in-cheek saying, which stands for, "keep it simple, stupid," states that most mechanical systems will work best if kept simple, rather than complex. It applies nicely to the cooling of data centers and server rooms. [MORE] |
| Advertisement |
| Learning to 'Walk the Talk' By SCOTT ARNOLD, Executive Editor, [email protected] |
| In 2004, HPAC Engineering launched the Engineering Green Buildings Conference in its hometown of Cleveland. Among those in attendance was Steve Melink, PE, founder, owner, and president of Melink Corp. [MORE] |
| FASTRACK News |
| Department of Energy Recognizes new Global Energy-Efficiency Standard |
| A new standard intended to help organizations worldwide save money in commercial and industrial facilities has been recognized by the U.S. Department of Energy (DOE). [MORE] |
| 2011 ASHRAE Handbook Tackles Tall Buildings |
| The newly published 2011 edition of ASHRAE Handbook—HVAC Applications has a chapter focusing on the unique design issues tall buildings present. [MORE] |
| Emerson Network Power Presenting Free Data-Center Webinar June 23 |
| Seven best practices for increasing data-center efficiency and lowering power-usage effectiveness while meeting critical availability and scalability demands will be shared in a free Webinar presented by Emerson Network Power June 23 at 4 p.m. ET. [MORE] |
| A/E/P, Environmental Firms Bucking Open-Book-Management Trend |
| Heralded by industry leaders and management experts as an important management trend, open-book management—the sharing of summary financial data with all members of a staff—is not being practiced by a majority of architecture, engineering, and planning (A/E/P) and environmental firms, a recent survey reveals. [MORE] |
Firetube boiler CBEX from Cleaver-Brooks is a completely integrated boiler, burner, control, and heat-recovery system. Every core component was designed and built to work together, resulting in the most efficient and lowest-emission firetube system ever built. Features include minimum excess air across the operating range, the ability to meet 5-ppm nitrogen-oxide-emissions requirements and 1-ppm carbon-monoxide-emissions requirements, and a footprint 15-percent smaller than that of traditional designs. [MORE]—Cleaver-Brooks
Energy-recovery ventilators with digital scrolls Greenheck has introduced digital scroll compressors to its Model ERCH and Model VER energy-recovery ventilators to improve temperature and humidity control and save energy. Featuring an integral controller with a time-averaging sequence, the scrolls are engaged and disengaged at a rate matching the required cooling capacity. Using digital scrolls for capacity control provides leaving-air temperatures as precise as 1°F. Additionally, digital scrolls offer cooling-capacity turndown from 10 to 100 percent. The compressor turndown results in longer cycle times, improving humidity control, reducing compressor wear, and eliminating the need for hot-gas bypass to improve the overall efficiency of a system. [MORE]—Greenheck
Dedicated outdoor-air system Mitsubishi Electric Cooling & Heating's CITY MULTI VRF Dedicated Outdoor Air System (DOAS), 2011 AHR Expo Product of the Year for Innovation, is designed to supply outdoor ventilation air to a building independent of an air-distribution or conditioning system. The DOAS pre-conditions outside air for introduction into downstream HVAC units, lessening the load on HVAC systems. Because systems have to work less to condition air to a certain temperature, end users can save on utility costs. With line lengths of up to 541 ft one way, the application range of the DOAS is unprecedented. [MORE]—Mitsubishi Electric Cooling & Heating
Variable-refrigerant-flow system Samsung DVM Plus III enhances comfort while reducing energy consumption in commercial applications, utilizing variable-refrigerant-flow technology to allow more than 40 indoor units to be connected to up to three outdoor units ganged together. Multiple capacities and styles of indoor units are available to suit room size and load, as well as room usage. Outdoor units are powered by the Copeland Scroll Digital compressor. A wide range of controlling options, ranging from the simple to full building-management system, is available. [MORE]—Samsung DVM - System AC
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