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FASTRACK Features |
Efficient Control of a Primary/Secondary Plant By KIRBY NELSON, PE, Springfield, Mo. |
This article, second in a series, discusses a strategy for operating a primary/secondary plant based on full loading of a chiller before another chiller is turned on, a strategy that often results in secondary flow being greater than primary flow, meaning water off of an evaporator must be less than 44°F for 44°F water to be supplied to site air handlers. [MORE] |
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FASTRACK News |
BACnet Pioneer William Swan Dies |
Former BACnet Committee chairman and long-time Alerton building-standards engineer William “BACnet Bill” Swan died June 4 at John Muir Medical Center in Concord, Calif. [MORE] |
Proposed Operation-and-Maintenance Guideline Open for Public Comment |
Proposed American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) Guideline 32P, Sustainable, High Performance Operation and Maintenance, will be open for public comment until July 4. [MORE] |
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Survey: Top A/E/P Management not Using Days Off |
Professionals in the architecture, engineering, and planning (A/E/P) and environmental industry feel the need to work harder than ever to stay afloat. Taking work home, not taking paid time off, and staying connected even during time off are just a few of the ways they are managing to work more. [MORE] |
Raypak Upgrades Classroom Facilities |
Raypak—the Oxnard, Calif.-based designer and manufacturer of commercial boilers, water heaters, and control systems; pool and spa heaters; and residential boilers—has upgraded its classroom facilities to accommodate all of its product families: atmospheric, mid-efficiency, and condensing. [MORE] |
Last Chance to Register for Live HPAC Engineering Webinar |
Many commercial, health-care, and school buildings experience inefficient HVAC-system performance, complaints concerning occupant comfort, and increasing operation and maintenance costs. Often, the culprit is non-functioning or underperforming damper actuators and control valves. [MORE] |
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