Best Practice Guide for Warehouses 2008 - (Page 74) WAREHOUSE W-OP1.0 Open Office: occupancy sensing BUILDINGS Office Control Needs Automatically turn lights on and off based on occupancy Occupancy-based control of mechanical system Emergency lighting controlled with general lighting; automatic on during power outage Occupancy-based control of workstation plug loads Solution Ultrasonic occupancy sensors and power packs (UT and BD series) Isolated relay in occupancy sensor Emergency Lighting Control Unit (ELCU) to switch loads based on occupancy when normal power is available Isolé power strip with personal sensor (see OF-PO1.0 and OF-PO2.0) Application Description Space Use: Dimensions: Ceiling Height: Windows: Skylights: Administration, clerical, order processing 30’ x 70’ 10’ Along one wall providing view to exterior None Lighting Pendant-mounted indirect/direct luminaires using two T8 lamps and two-lamp 277-volt electronic, program-start ballasts. Compact fluorescent wallwashers highlighting the north and south interior walls, using 42-watt triple-tube CFL lamps and 277-volt electronic ballasts. Open Open Office Lighting Plan Design Solution Description Pendant lighting is automatically turned on and off using the UT-300 series ultrasonic occupancy sensors and BD-100E-P power packs. The sensors are spaced on a 20’ x 16’ grid to control individual zones, and to assure adequate coverage with partitions. Integration between the lighting and mechanical system is achieved by connecting the sensor’s isolated relay directly with the HVAC system to provide occupancy-based on/off control of HVAC. Power packs are DIN rail mounted in an enclosure located in an accessible location. Emergency lighting is controlled with general lighting; in the event of ordinary power loss, the ELCU will force emergency lighting on. Code Compliance Guide ASHRAE IECC TITLE 24 1999 2003 2005 2001 2004S 2004 2006 74 Watt Stopper/Legrand W-OP1.0 0508
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