VFD’s and Load Side Disconnects
National Electric Code (NEC) requires there to be a disconnect within sight of the motor. Specifically, Article 430, Part IX details that “within sight” means visible and not more than 50 feet from each other.film Rings If a Variable Frequency Drive (VFD) is provided to control the fan or pump motor, the VFD would usually […]
University of Kentucky – Center for Applied Energy Research
This video was recently released by UK showing the many energy saving features utilized in their newest research building. Air Equipment Company is proud to have supplied several mechanical systems for this building that are being directly used to save the university 54% on its energy usage. The Aircuity air-quality monitoring system, Phoenix Controls laboratory […]
New Standard For Fume Hood Minumum Ventilation Rate
After years of work, the new ANSI/AIHA Z9.5-2012 Standard for Laboratory Ventilation has been released. This new Standard replaces the one issued in 2003 and has a huge impact when it comes to energy efficiency in labs. After years of testing here in the United States and a review of European practices, a new minimum fume […]
Why Phoenix Controls Does Not Measure Flow
Looks of confusion and even a smirk are the typical response I get when I tell an Engineer or customer that Phoenix Controls does not need to measure airflow. Next come the questions. Why not? How do you know what the airflow through the valve is? Why do other manufacturer’s measure airflow? Phoenix Controls doesn’t […]
Reasons Why Energy Retrofits Are Booming
According to the US Department of Energy, commercial buildings account for 35% of US electricity consumption. Proper heating, ventilating, and air-conditioning (HVAC) are key to maintaining a comfortable, healthy and productive work environment. Collectively, these systems account for approximately 40% of the electricity used in commercial buildings. Improved heating and cooling performance along with substantial […]
