Best Practice Guide for Office Buildings

OFFICE Office BUILDINGS OF-OP1.1 Open Office: time scheduling • daylighting (multi-zone) Control Needs Two-zone daylighting control, with first zone being luminaire rows adjacent to windows and second zone being middle row of luminaires Time scheduling, manual switching, emergency lighting, integrated HVAC control, and plug load controls Solution Multi-zone daylight dimming controller with photosensor (LCD series) Application Description Space use: Open office activities in including administration, clerical, filing, copy areas, finance, engineering, sales Dimensions: Based on 30’ bays, irregular shape; approx. 16,500 sq. ft. Ceiling height: 12’ Cubicle dimensions:8’ x 8’ x 5’ Windows: View windows along north and south facades, with light shelf Window blinds: None See OF-OP1.0. Open Lighting Pendant mounted indirect/direct luminaires using two T8 lamps and two-lamp 277-volt electronic, program start ballasts. 0-10 VDC electronic dimming ballasts are used in luminaires in the daylit zone. Compact fluorescent wallwashers highlighting the north and south interior walls, using 42-watt triple tube lamps and 277-volt electronic ballasts. Open Office Lighting Plan DAYLIT ZONE 1 DAYLIT ZONE 2 ZONE D ZONE E ZONE F ZONE I S 01 S 02 S 03 ZONE I S S 07 08 ZONE G ZONE H S S 01 01 ZONE J S 06 S S 05 04 ZONE J LP-2-3, R1 ZONE A ZONE B ZONE C DAYLIT ZONE 2 DAYLIT ZONE 1 LEGEND Indirect/direct Luminaire S Low Voltage Wall Switch Office Cubicles Design Solution Description Lighting is controlled based on time schedules, manual control and daylighting, as in OF-OP1.0. The LCD dimming system is used for automatically dimming two lighting zones based upon available daylight. The LS-290C photosensor reads light levels at the window, and provides this information to the LCD control module, which raises or lowers electric light output accordingly. One photosensor is used for the north facade, and one for the south, so that variations in daylight are accounted for. Each photosensor is wired to one multizone LCD module, which is used for setting the calibration levels for each daylight control zone. The LCD modules are located in the lighting control panel to facilitate commissioning and maintenance. Code Compliance Guide (Bold = Compliant) ASHRAE 1999 2001 2004 IECC Title 24 2003 2004S 2006 2005 38 Watt Stopper/Legrand OF-OP1.1 0908

Table of Contents Feed for the Digital Edition of Best Practice Guide for Office Buildings

Best Practice Guide for Office Buildings Contents Lighting Control Best Practice Guide for Office Buildings Value of Lighting Control for Office Buildings Office Building Space Usage Influential Factors for Lighting Control Office Building Lighting Control Design Guidelines Office Building Best Practice Guide Roadmap Summary of Best Practices for Lighting Control in Office Buildings Buildings Conference Rooms Cubicles Hallways Kitchens Open Offices Private Offices Restrooms Stairwells Storage Closets Exterior Lighting Summary of Energy Codes

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