Watt Stopper/Legrand has developed the LS-301 Dimming Photosensor, carefully combining features for optimal performance and ease of installation and use. At the heart of the device is the groundbreaking sliding setpoint control algorithm pioneered by Watt Stopper/Legrand. The LS-301 also employs a handheld setup remote to facilitate quick and convenient commissioning.
Watt Stopper/Legrand introduces the new fixture-mounted FD-301 dimming photosensor. Lighting fixture manufacturers can easily integrate the FD-301 during production so fixtures arrive at the jobsite with the control pre-wired, adding value and saving contractors’ time. Commissioning, too, is fast and simple. Once operational, the photosensor provides precise and reliable energy-saving control, dimming 0-10 VDC ballasts in response to available daylight. Integrating the device into the fixture also improves aesthetics, reducing the number of items on the ceiling.
NYSERDA sponsored a demonstration project featuring a new Integrated Classroom Lighting System (ICLS) created by Finelite, Inc., a fixture manufacturer, installed as a retrofit into 28 existing classrooms at seven schools and universities. The Lighting Research Center (LRC) assessed teacher and student satisfaction. The result is a design template demonstrated to satisfy audio-visual needs and improve teacher and student satisfaction while reducing lighting power density to an average 0.73W/sq.ft., nearly 50% less than ASHRAE 90.1-2004/2007. Although Finelite optimized the design into an engineered system integrating the company’s light fixtures with state-of-the-art lighting control strategies, the template, if properly designed, can be treated as open source with suitable products from a wide range of manufacturers.
Phoenix Sky Harbor International Airport in Arizona is one of the ten busiest airports in the world. A typical day at Sky Harbor sees 108,887 passengers arrive and depart along with 808 tons of cargo on 1,486 airplanes …
Watt Stopper/Legrand introduces the RD-200 Dimming Wall Switch Vacancy Sensor. By combining a preset dimmer and a sensor, this device helps homeowners enjoy the most pleasing light level for each activity and maximize energy savings. The RD-200, which is the newest addition to Watt Stopper/Legrand’s line of residential vacancy sensors, complies with California Title 24 requirements.
Watt Stopper/Legrand has developed lighting control solutions designed to enhance high-end, modern construction. The company’s newest commercial occupancy sensors incorporate sophisticated design details that make them aesthetically pleasing as well as easy to operate. At the same time, each elegant package is manufactured to withstand the rigors of commercial use; both the robust housing and the control electronics are engineered for longevity.
Special residential vacancy sensors from Watt Stopper/Legrand include LED nightlights for added comfort, convenience and safety, as well as energy savings. These sensors offer many benefits to homeowners and are perfect for retrofits or new construction.
For years, Lander University relied on a programmable relay-based system installed in the mid 1980s to provide energy-saving scheduled control of lighting and equipment for its most vital buildings. While the system, which controlled the Learning Center, Cultural Center, Student Center and Athletic Complex, had initially served its purpose, the controls had become antiquated and unreliable. After experiencing numerous disruptions to classes and events, engineers at the state university in Greenwood, S.C., set out to research replacement options.
Engineering Services Department personnel priced equipment and installation costs for a variety of solutions and were delighted to learn about Watt Stopper/Legrand’s unique ability to upgrade older GE panels, retrofitting them with new control engines. For less than ten percent of the cost of a new system, they could refurbish the existing panels and enjoy the benefits of a sophisticated, modern control system. The university could significantly extend the life of its capital equipment and avoid sending materials to a landfill. Additionally, the upgrade would take much less time than a full replacement.
Watt Stopper/Legrand’s new LI-ARP can reduce the cost and complexity of lighting control projects that use layered control strategies to maximize energy savings. Previously, incorporating additional controls into a panel-based system meant long added wiring runs and wasted circuit capacity. The LI-ARP moves relays into the areas they control to eliminate these problems, providing a room control solution that is unique to Watt Stopper/Legrand. Now greener designs, including LEED-certified designs, are easier and more cost effective to implement.
In October 2005, Wal-Mart CEO Lee Scott outlined an ambitious vision for the future operations of the company focusing on becoming a good steward of the environment and local communities. He announced that the company’s long term environmental goals are: 1. To be supplied 100 percent by renewable energy; 2. To create zero waste; and 3. To sell products that sustain our resources and environment. Short term goals included eliminating 30 percent of the energy used by stores.
Since then, Wal-Mart engineers have worked diligently to identify areas for potential energy savings. They have collaborated with suppliers to innovate solutions, tested new technologies and finalized proven designs to implement in corporate facilities.
One store system designated for an efficiency upgrade was the fluorescent lighting in refrigerated food cases, which burns 24 hours a day. Recently, LED lighting coupled with occupancy sensing controls was proven to provide the combination of energy savings, improved performance and reduced maintenance to justify incorporating a new design for refrigerator and freezer case lighting and controls into plans for all new stores. Because the energy savings are so significant, a program is also underway to retrofit cases in over 450 existing stores in 2007.