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8/12/2019 Incorporating Lighting Controls: Lutron Electronics and FMA Summits Presentation
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50 Years of Lighting Control
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Why Is Lighting Control Important?
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Confidential
Did you know that buildings consume more than 39% the total US Primary
Energy in the United States?
Energy ConsumptionThe Landscape
28% of energy in Commercial buildings is consumed by lighting.
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55
DOE Ruling Oct. 19, 2011: All states mustadopt an energy code as stringent as 90.1-
2010 by Oct. 18, 2013.
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66
Energy codesASHRAE 90.1
New Construction and Additions
All commercial type buildings includingresidential structures of 4 or more stories
Interior and exterior lighting
Lighting Alterations of more than 10% of
the lighting load
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Lighting controls in Energy codes/standards
Key mandatory lighting control requirements (summary of the big 3
standards/codes): 90.1 2010, IECC 2012, T24 2008 Automatic shut-off (occ sensors, timeclocks)
Space Control (dimmers, switches connected to timeclocks, occ sensors)
Stairwell lighting control (occ sensors, dimming ballasts)
Parking garage lighting control (occ sensors, daylight sensors, timeclocks,dimming ballasts)
Daylight zone control (daylight sensors)
Light reduction controls (dimmers, pre-set scene controls, bi-level switching)
Exterior lighting control (daylight sensors, timeclocks)
Functional testing of controls
Receptacle control
Watts per ft2incentives for additional controls
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How do I save energyin Existing Buildings?
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Light Management?
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Confidential
1. Incandescent > fluorescent lighting
2. T12 fluorescent > T8 fluorescent
3. T8 fluorescent > T5 fluorescent or LED
4. 32 W lamps > 28 W lamps
5. Delamping (ie. Make 3 lamp fixtures 2 lamps fixtures by simplyremoving 1 lamp)
What Many Facilities Are Doing Now
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Lighting Control Strategies
Dimming
High-End Tuning
Occupancy /Vacancy Sensing
Daylight Harvesting
Personal DimmingControl
Scheduling
Controllable WindowTreatments
Load Shedding
Plug Load Control
System Integration
10 Energy Saving Lighting Control Strategies
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Lighting Control Strategies
Dimming
High-End Tuning
Occupancy /Vacancy Sensing
Daylight Harvesting
Personal DimmingControl
Scheduling
Controllable WindowTreatments
Load Shedding
Plug Load Control
System Integration
10 Energy Saving Lighting Control Strategies
When used together these strategieshave created saving opportunitiesgreater than 70% lighting energy
savings and regularly achieve savings
greater than 60%.1
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What happens when I combineenergy-saving lighting controls?
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Annual energy consumption Original lighting 13.14 kWh per ft $1.65 per ft
Time
1.5 W/sf
12 midnight 12 midnight12 noon
LightingPower
Used
Office Building Example Lighting Energy
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Annual energy consumption
Time
1W/sf
12 midnight 12 midnight12 noon
LightingPowerUsed
Office Building Example Lighting Energy
Original lighting 13.14 kWh per ft $1.65 per ft
+ Lamp Efficiency
8.76 kWh per ft $1.10 per ft
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Annual energy consumption
Original lighting 13.14 kWh per ft $1.65 per ft
+Lamp efficiency 8.76kWh per ft $1.10 per ft
+ Scheduling
5.1 kWh per ft $0.65 per
ft
Time
1W/sf
12 midnight 12 midnight12 noon
LightingPowerUsed
Office Building Example Lighting Energy
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Annual energy consumption
Original lighting 13.14 kWh per ft $1.65 per ft
+Lamp efficiency 8.76 kWh per ft $1.10 per ft
+ Scheduling 5.1 kWh per ft $0.65 per ft
+ Occupancy sensing
4.0 kWh per ft $0.50 per ft
Time
1W/sf
12 midnight 12 midnight12 noon
LightingPowerUsed
Office Building Example Lighting Energy
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Annual energy consumption
Original lighting 13.14 kWh per ft $1.65 per ft
+Lamp efficiency 8.76 kWh per ft $1.10 per ft
+ Scheduling 5.1 kWh per ft $0.65 per ft
+ Occupancy sensing 4.0 kWh per ft $0.50 per ft
+ High-end trim
3 kWh per ft $0.38 per ft
Time
1W/sf
12 midnight 12 midnight12 noon
LightingPowerUsed
Office Building Example Lighting Energy
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Annual energy consumption
Original lighting 13.14 kWh per ft $1.65 per ft
+Lamp efficiency 8.76 kWh per ft $1.10 per ft
+ Occupancy sensing 4.0 kWh per ft $0.50 per ft
+ High-end trim 3 kWh per ft $0.38 per ft
+ Daylight harvesting
2 kWh per ft $0.25 per ftenergy
consumption
Time
1W/sf
12 midnight 12 midnight12 noon
LightingPowerUsed
Office Building Example Lighting Energy
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Time
1W/sfAnnual energy consumption
12 midnight 12 midnight12 noon
LightingPowerUsed
Original lighting 8.76 kWh per ft $1.10 per ft
+ Scheduling 5.1 kWh per ft $0.65 per ft
+ Occupancy sensing 4.0 kWh per ft $0.50 per ft
+ High-end trim 3 kWh per ft $0.38 per ft
+ Daylight harvesting 2 kWh per ft $0.35 per ft
+ Personal dimming control
< 1.5 kWh per ft TBD per ftAnnu
Office Building Example Lighting Energy
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Benefits of Using Simple Wireless Controls
Easy to install and program Wireless communication, reducing wiring labor andmaterials
Default functionality fits many applications (no
programming) Simple button-press programming, no factory
commissioning required
Cost Effective Saves Installation Time... Saves Money! Saves Materials Saves Money!
Saves Energy Saves Money!
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Application: Private Office
Design Goals: Personal control
Automatic shutoff of lights when the room is empty Daylight harvesting Task lighting control Appliance Control
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Application: Private Office
Maestro Wireless switch easily replaces existing wall switch PowPak plug-in appliance module and MRF tabletop dimmer control plug loads One RPS occupancy sensor communicates with all load controllers
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Application: Stairwell
Design Goal Example: Minimum light level at all times (15%)
Unoccupied light level 75% At least three fixtures go to occupied level when person enters
stairwell Not capable of turning off from any control beside breaker
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Application: Stairwell
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Wired vs Wireless Challenge
Execute yourcontrol
strategieswithout wires
save time andmoney on yourproject
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Questions?
Hagen DentonDesign Build Energy [email protected]
(610)554-7277
Matt BrownSouth Central Sales
[email protected](512) 426-5209
Misty AtkinsGovernment Sales
[email protected](512) 597-4738
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References
Lutron Technical Whitepapers
1. Clear Connect RF Technology
2. XCT Technology from Lutron: The New Standard in Sensing
3. Battery Life DiscussionContact your location System Sales Engineer or Lutron Rep Agent (DIMS)
http://www.lutron.com/TechnicalDocumentLibrary/Clear%20Connect%20Technology%20whitepaper.pdfhttp://www.lutron.com/TechnicalDocumentLibrary/white%20paper%20XCT%204-23-09%20B.pdfhttp://www.lutron.com/TechnicalDocumentLibrary/white%20paper%20XCT%204-23-09%20B.pdfhttp://www.lutron.com/TechnicalDocumentLibrary/Clear%20Connect%20Technology%20whitepaper.pdfhttp://www.lutron.com/TechnicalDocumentLibrary/Clear%20Connect%20Technology%20whitepaper.pdf