U.S. Power Vision, LLC

From the Community of Manufacturing, Design and Contracting Teams of U.S. Power Vision, LLC

Fabulous Lighting Mave

www.USPowerVision.com • 1963 Park Avenue • Twin Lake, Michigan 49457 • RMotsch@USPowerVision.com

Group Fixtures Under a Single Control Behavior with Zoning

Dear Reader:

The more granular you can make the zoning, the more money your firm will save given reduced energy waste. Cutting the lighting system of a plant into zones can be challenging, but with a few ‘rules-of-thumb’ the task can be made to be much easier.

It doesn’t matter how efficient – or inefficient – a fixture is if it’s off, and giving each fixture its own sensor and setting it to control that fixture independent of others will generate the greatest savings. However, the Building Manager will want to be thoughtful, and the following is a window into how our contracting team does it:

  • Production Areas – Zoned by work space. When an employee comes into his/her area, all two or three lights directly above behave in concert.
  • Circulation Aisles – Typically granular (by individual fixture), but it depends in part on the amount of traffic exists down a given aisle. Too much On/Off activity can be irritational, and by the end of the day, fatiguing. You may want to zone in groups of two or three fixtures.
  • Warehouse Areas – Granular, although you might want all of the lights in a particular aisle to come on simultaneously, depending on the length of the aisle.
  • Maintenance Areas – Zoned by work area.
  • Boiler Rooms – One zone for the entire room, typically switched (no occupancy sensor, as they’ll false trigger).
  • Open Offices – One zone for the area, generally. If an open area is laid out with distinct work functions, they may lend themselves to subzones.
  • Enclosed Offices – One zone for the entire enclosed office, with all fixtures behaving in concert.
  • All, with Daylight Harvesting Opportunities. If there are windows, the Manager can take advantage of sunlight to illuminate portions of the interior spaces. When this is the case, the row closest to the window wall would be the primary daylight zone; the second row would be in the secondary daylight zone, each controlled by a separate photocell.

Look in on Steve Mesh’s Lighting Controls Association piece, The Complete Guide to Lighting Control Zoning for more help.

U.S. Power is an industrial energy services company that specializes in the reduction of energy consumption across a broad array of manufacturing and food processing facilities located in Michigan, Ohio, Indiana, Illinois and Wisconsin. In addition, the company publishes a useful curation of lighting-oriented information from the marketplace, and consolidates it into this concise, twice per month letter known as The Fabulous Lighting Maven, distributed to Facilities Managers throughout the nation.

While the company prides itself in its diversity, it owns and operates a niche lighting contracting firm as well, known as U.S. Power Vision, LLC. With a core business in and around industrial LED lighting, it keeps itself and its clients at the cutting edge of illuminating technologies, all aimed at providing – from the eyes to the fingertips – exceptional illumination, superb control and intuitive simplicity.

The Maven publishes these pearls weekly, or more frequently if we feel like it, because we believe America is already great, and poised to be even greater if we commit to doing our part towards cooling the planet. Publisher Ron Motsch can be reached at (616) 570-9319.

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