Lighting Controls
Last Update: November 1, 2011
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Devices, Systems & Equipment

This extensive section covers different types of lighting control devices, systems and equipment including personal controls (switches, dimmers), low-voltage control systems, occupancy sensors, daylight harvesting controls and systems, and architectural dimming controls and systems. For each major type of equipment, a description of technologies as well as application and commissioning guidance is provided. The section concludes with a discussion of how control equipment and systems can be combined within an integrated system.

Manual Lighting Controls
Manual lighting controls include switches and dimmers that enable occupants to control their local lighting. Properly deployed, these simple devices provide flexibility, energy cost savings and local override of automatic lighting controls.
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Low-Voltage Control Systems
In many commercial buildings seeking energy code compliance, a scheduling control system provides the backbone of the building’s lighting control, switching large blocks of lighting loads and supplemented by other devices such as local schedule-override switches, occupancy sensors and daylight dimming controls.
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Occupancy & Vacancy Sensors
Occupancy sensors are switching devices that respond to the presence and absence of people in the sensor’s field of view. An occupancy sensor’s primary function is to automatically turn the lights OFF when a space is unoccupied.
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Automatic Daylight Harvesting
Studies have demonstrated that availability of daylight and views has a positive relationship with higher retail sales, student learning and worker satisfaction. For this reason, daylighting is now associated with best practices in architecture and is now considered an important component of sustainable construction.
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Dimming
Dimming systems adjust light output and power input over a specified range. Dimming may be continuous or step dimming.
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Lighting Controls

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