MAXIMIZE YOUR PARKING FACILITY’S
LIGHTING EFFICIENCY from Page 12
energy savings. (LED luminaires alone typically reduce energy use by up to 50%. Adding a wireless controller opens up the possibility of additional energy savings.) Luminaires can be preinstalled with a two-way radio and motion sensor. Once the fixtures are installed, they are operational and act as normal fixtures, even if the
“brains” of the control system have not been installed or the system commissioned. This prevents any delays in putting the garage in operation if so desired. The system allows you to calibrate any fixture to whatever light output is appropriate during day or night – from 0% to 100%. It operates and controls large or small zones, an entire floor, or an entry area – or even down to a single fixture. But by controlling large zones, you eliminate the “popcorn effect” of single luminaires going on and off as you would have with
fixtures controlled by individual motion or daylight sensors.
Every fixture becomes a node of the high-density mesh infrastructure that is centrally controlled. After the commissioning has been performed, the system continually monitors and adjusts light levels to desired specifications during the day and reacts immediately to motion in the evening hours. Because a control system such as this utilizes motion and daylight sensors, energy savings can increase from 50% (with no control system) to 70% by maximizing those during the day and night time hours. Payback can be achieved in as little as three years, depending on the condition of the existing system and the price paid per KWh. An added benefit of installing a wireless controller is that it increases the LED luminaire’s life by about 30% because the fixture remains off or at reduced power longer than if no controller were installed.
A well-designed wireless system is
also a great management tool. Managed and monitored via the web through a mini-computer allows for management of schedules, events, reporting, light output and maintenance – all at the fingertips of the user.
It’s ideal for owners/managers
having multiple facilities because the system allows all sites to be managed from a single location. Energy consumption and traffic activity can be quickly reviewed and reported. The system immediately reports
outages as well as vandalized fixtures via the web, allowing you to react quickly on the repairs. This is an especially important feature for pedestrian safety, reducing the possibility of litigation due to improper maintenance.
Finally, a LED/wireless controller
system is good for the environment. By reducing the 6.5 billion kilowatt hours wasted yearly on parking garage lighting, you can do your part by operating your facility in an environmentally friendly and sustainable manner.
Barret Gorman is Director of Marketing at Crescent/Stonco Supply Division, a Philips Group brand. He can be reached at
Barret.Gorman@philips.com.
PT
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Parking Today
www.parkingtoday.com
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