advanced lighting and lighting controls ... - energy exchange
TRANSCRIPT
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Rhode Island Convention Center • Providence, Rhode Island
LED and Smart Controls: Lessons Learned
Advanced Lighting and Lighting Controls Technologies
Binh Nguyen P.E., CEMAmec Foster Wheeler
August 11, 2016
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Energy Exchange: Federal Sustainability for the Next Decade
Speaker Biography
• Binh Nguyen, PE, CEM– Senior Energy Engineer– Lighting Design Group LeaderCareer BSEE – University of Florida Licensed Professional Engineer (PE) – FL, GA, AL, MS Certified Energy Manager (CEM) – AEEHobbies “Internet of Things”‐ Thermostats, etc Cycling to work…only in fair conditions Sports – GO Gators!
2
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Energy Exchange: Federal Sustainability for the Next Decade
• What are the LED lighting options today?• TLEDs• Retrofit Kits• New Luminaires
• Smart Lighting Controls Case Studies• Examples of actual installations
3
Overview
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Energy Exchange: Federal Sustainability for the Next Decade
• TLED Options– UL Type A
• Easy installation, works with majority of T8 electronic ballasts on the market
• Costs per lamp between $10 and $20, may be cheaper in volume
4
TLED
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Energy Exchange: Federal Sustainability for the Next Decade
• TLED Options– UL Type A
• Easy installation, works with majority of T8 electronic ballasts on the market
• Costs per lamp between $10 and $20, may be cheaper in volume
• Lower efficacy (lm/W) vs. other options, rated life between 50,000 and 70,000 hours, weak link is T8 ballasts
4
TLED
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Energy Exchange: Federal Sustainability for the Next Decade
• TLED Options– UL Type A
• Easy installation, works with majority of T8 electronic ballasts on the market
• Costs per lamp between $10 and $20, may be cheaper in volume
• Lower efficacy (lm/W) vs. other options, rated life between 50,000 and 70,000 hours, weak link is T8 ballasts
• Many major manufacturers offer products in this category, easy future maintenance
• Recent recalls by major manufacturers
4
TLED
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Energy Exchange: Federal Sustainability for the Next Decade
• TLED Options– UL Type B
• Integrated driver and tube that requires line voltage to operate
• Costs per lamp between $5 and $15, may be cheaper in volume but requires more labor, T8 bi‐pin sockets not rated for line voltage
5
TLED
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Energy Exchange: Federal Sustainability for the Next Decade
• TLED Options– UL Type B
• Integrated driver and tube that requires line voltage to operate
• Costs per lamp between $5 and $15, may be cheaper in volume but requires more labor, T8 bi‐pin sockets not rated for line voltage
• Lower efficacy (lm/W) vs. other options, rated life between 30,000 and 60,000 hours
5
TLED
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Energy Exchange: Federal Sustainability for the Next Decade
• TLED Options– UL Type B
• Integrated driver and tube that requires line voltage to operate
• Costs per lamp between $5 and $15, may be cheaper in volume but requires more labor, T8 bi‐pin sockets not rated for line voltage
• Lower efficacy (lm/W) vs. other options, rated life between 30,000 and 60,000 hours
• Not recommended due to electrical dangers and future maintenance replacement and lack of standard
• Tens of thousands of inferior products on the market
5
TLED
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Energy Exchange: Federal Sustainability for the Next Decade
• TLED Options– UL Type C
• LED Tube with dedicated LED driver • Costs per lamp between $10 and $15 plus $30 per driver, equivalent labor to replace traditional T8 lamps and ballasts
6
TLED
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Energy Exchange: Federal Sustainability for the Next Decade
• TLED Options– UL Type C
• LED Tube with dedicated LED driver • Costs per lamp between $10 and $15 plus $30 per driver, equivalent labor to replace traditional T8 lamps and ballasts
• Best efficacy (lm/W) for TLED, rated life between 50,000 and 100,000 hours
6
TLED
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Energy Exchange: Federal Sustainability for the Next Decade
• TLED Options– UL Type C
• LED Tube with dedicated LED driver • Costs per lamp between $10 and $15 plus $30 per driver, equivalent labor to replace traditional T8 lamps and ballasts
• Best efficacy (lm/W) for TLED, rated life between 50,000 and 100,000 hours
• Best option for longest life, best reliability, and warranty
• Safe for future maintenance
6
TLED
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Energy Exchange: Federal Sustainability for the Next Decade
• CALiPER Test Results
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TLED – Poor Optics
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Energy Exchange: Federal Sustainability for the Next Decade
• Real TLED World Install
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TLED – Poor Optics
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Energy Exchange: Federal Sustainability for the Next Decade
• Real TLED World Install– LEDs have directional beam– TLEDs have 180‐ to 300‐degree beam
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TLED – Poor Optics
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Energy Exchange: Federal Sustainability for the Next Decade
• Real TLED World Install– LEDs have directional beam– TLEDs have 180‐ to 300‐degree beam– Light level under TLED fixture, 15‐fc– Light level under T8 fixture, 25‐fc
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TLED – Poor Optics
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Energy Exchange: Federal Sustainability for the Next Decade
• Real TLED World Install– LEDs have directional beam– TLEDs have 180‐ to 300‐degree beam– Light level under TLED fixture, 15‐fc– Light level under T8 fixture, 25‐fc
– Lamp beam side ways
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TLED – Poor Optics
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Energy Exchange: Federal Sustainability for the Next Decade
• Real TLED World Install– Light beam or streaks behind traditional lens
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TLED – Poor Optics
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Energy Exchange: Federal Sustainability for the Next Decade
• Real TLED World Install– Light beam or streaks behind traditional lens– Poor light diffusion– Uneven illumination of the space
9
TLED – Poor Optics
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Energy Exchange: Federal Sustainability for the Next Decade
• Real TLED World Install– Light beam or streaks behind traditional lens– Poor light diffusion– Uneven illumination of the space– Lower light levels at the ground
9
TLED – Poor Optics
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Energy Exchange: Federal Sustainability for the Next Decade
• Engineered Retrofit Kits– Provides the best optics for existing fixtures
10
LED Retrofit
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Energy Exchange: Federal Sustainability for the Next Decade
• Engineered Retrofit Kits– Provides the best optics for existing fixtures– UL Type C compliant with dedicated LED driver
10
LED Retrofit
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Energy Exchange: Federal Sustainability for the Next Decade
• Engineered Retrofit Kits– Provides the best optics for existing fixtures– UL Type C compliant with dedicated LED driver– Generally easier to install than rewiring fluorescent sockets for line voltage or LED driver
10
LED Retrofit
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Energy Exchange: Federal Sustainability for the Next Decade
• Engineered Retrofit Kits– Provides the best optics for existing fixtures– UL Type C compliant with dedicated LED driver– Generally easier to install than rewiring fluorescent sockets for line voltage or LED driver
– Provides the best efficacy, 120+ lm/W– Provides the best light output
10
LED Retrofit
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Energy Exchange: Federal Sustainability for the Next Decade
• Engineered Retrofit Kits– Heat is properly managed
11
LED Retrofit
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Energy Exchange: Federal Sustainability for the Next Decade
• Engineered Retrofit Kits– Heat is properly managed – Rated output and life more accurate
11
LED Retrofit
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Energy Exchange: Federal Sustainability for the Next Decade
• Engineered Retrofit Kits– Heat is properly managed – Rated output and life more accurate– Longer warranty
11
LED Retrofit
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Energy Exchange: Federal Sustainability for the Next Decade
• Engineered Retrofit Kits– Heat is properly managed – Rated output and life more accurate– Longer warranty– Best option for long term reliability and cost
11
LED Retrofit
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Energy Exchange: Federal Sustainability for the Next Decade
• New LED Fixtures– Best for new construction or major renovation
12
LED Replacement Fixtures
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Energy Exchange: Federal Sustainability for the Next Decade
• New LED Fixtures– Best for new construction or major renovation – ROI generally not a factor in those situations
12
LED Replacement Fixtures
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Energy Exchange: Federal Sustainability for the Next Decade
• New LED Fixtures– Best for new construction or major renovation – ROI generally not a factor in those situations– Incremental LCCA usually favorable
12
LED Replacement Fixtures
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Energy Exchange: Federal Sustainability for the Next Decade
• New LED Fixtures– Best for new construction or major renovation – ROI generally not a factor in those situations– Incremental LCCA usually favorable– Money is no object, I want LEDs
12
LED Replacement Fixtures
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Energy Exchange: Federal Sustainability for the Next Decade
• Providence, RI Facility– Over 500 LED high‐bay fixtures to replace 400W HID
13
LED New Install Case Study
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Energy Exchange: Federal Sustainability for the Next Decade
• Providence, RI Facility– Over 500 LED high‐bay fixtures to replace 400W HID – Wireless smart controls with dimming and sensors
13
LED New Install Case Study
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Energy Exchange: Federal Sustainability for the Next Decade
• Providence, RI Facility– Over 500 LED high‐bay fixtures to replace 400W HID – Wireless smart controls with dimming and sensors– Estimated 3.5 year simple payback without rebates
13
LED New Install Case Study
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Energy Exchange: Federal Sustainability for the Next Decade
• Providence, RI Facility– Over 500 LED high‐bay fixtures to replace 400W HID – Wireless smart controls with dimming and sensors– Estimated 3.5 year simple payback without rebates– National Grid rebate of over $600k, resulted in a simple payback of 1.5 years
13
LED New Install Case Study
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Energy Exchange: Federal Sustainability for the Next Decade
• Providence, RI Facility Additional Savings– After commissioning the entire site, many areas had higher light levels than expected
14
LED New Install Case Study
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Energy Exchange: Federal Sustainability for the Next Decade
• Providence, RI Facility Additional Savings– After commissioning the entire site, many areas had higher light levels than expected
– Some areas were dimmed as much as 60% of the full output using the wireless dimming controls
14
LED New Install Case Study
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Energy Exchange: Federal Sustainability for the Next Decade
• Providence, RI Facility Additional Savings– After commissioning the entire site, many areas had higher light levels than expected
– Some areas were dimmed as much as 60% of the full output using the wireless dimming controls
– All “zones” dimmed at least 5%
14
LED New Install Case Study
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Energy Exchange: Federal Sustainability for the Next Decade
• Providence, RI Facility Additional Savings– After commissioning the entire site, many areas had higher light levels than expected
– Some areas were dimmed as much as 60% of the full output using the wireless dimming controls
– All “zones” dimmed at least 5%– Clamshell portion of workroom has photocell sensors to dim from ambient light from clerestory windows
14
LED New Install Case Study
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Energy Exchange: Federal Sustainability for the Next Decade
• Providence, RI Facility Historic Energy Usage
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LED New Install Case Study
600000
700000
800000
900000
1000000
1100000
1200000
1300000
kWh
kWh
Linear (kWh)
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Energy Exchange: Federal Sustainability for the Next Decade
– LEDs are the Future of Lighting• Industry needs standards• Not all products are created equal• Efficacy and lumen output advances daily
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LED Lighting Conclusion
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Energy Exchange: Federal Sustainability for the Next Decade
– LEDs are the Future of Lighting• Industry needs standards• Not all products are created equal• Efficacy and lumen output advances daily
– Other Considerations• Cost vs. benefits of investing now• Energy savings• ROI• Future maintenance implications
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LED Lighting Conclusion
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Energy Exchange: Federal Sustainability for the Next Decade17
Smart Lighting Controls
• “The most efficient light is the one that is off or only on when it is needed” – a smart lighting engineer
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Energy Exchange: Federal Sustainability for the Next Decade17
Smart Lighting Controls
• “The most efficient light is the one that is off or only on when it is needed” – a smart lighting engineer
• The Light Switch – the most common lighting control device on the planet
• We’ve all been taught to turn off the light
• Payback is infinite if you turn off your light every time you leave the room…why spend $100 on a sensor for a single 60W light?
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Energy Exchange: Federal Sustainability for the Next Decade
• Why Smart Network Controls?– Building automation
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Smart Lighting Controls
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Energy Exchange: Federal Sustainability for the Next Decade
• Why Smart Network Controls?– Building automation– Analytics and trending
18
Smart Lighting Controls
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Energy Exchange: Federal Sustainability for the Next Decade
• Why Smart Network Controls?– Building automation– Analytics and trending– Energy conservation
18
Smart Lighting Controls
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Energy Exchange: Federal Sustainability for the Next Decade
Example –Wired Fixture Level Relay Retrofit– Each new or existing fixtures gets a relay device– Relays daisy chained via network communications
19
Smart Lighting Controls
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Energy Exchange: Federal Sustainability for the Next Decade
Example –Wired Fixture Level Relay Retrofit– Each new or existing fixtures gets a relay device– Relays daisy chained via network communications– Operates on time schedules or other passive devices– Ability to control fixtures down to fixture level for customization
19
Smart Lighting Controls
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Energy Exchange: Federal Sustainability for the Next Decade
Example –Wired Fixture Level Relay Retrofit– Each new or existing fixtures gets a relay device– Relays daisy chained via network communications– Operates on time schedules or other passive devices– Ability to control fixtures down to fixture level for customization– Remote connectivity to monitor or control lights via internet
connection or BACnet integration
19
Smart Lighting Controls
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Energy Exchange: Federal Sustainability for the Next Decade20
Smart Lighting Controls
Case StudyWired Fixture Level Controls 5 Years Later
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Energy Exchange: Federal Sustainability for the Next Decade20
Smart Lighting Controls
Case StudyWired Fixture Level Controls 5 Years Later
??? Communication Errors
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Energy Exchange: Federal Sustainability for the Next Decade21
Smart Lighting Controls
Case StudyWired Fixture Level Controls 5 Years Later
– What Happened?
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Energy Exchange: Federal Sustainability for the Next Decade21
Smart Lighting Controls
Case StudyWired Fixture Level Controls 5 Years Later
– What Happened? – Time Schedules didn’t line up with operations (24/7)
• Lights turned off while workers in area• Zones no longer work due to equipment layout changes• Minimal training, maintenance staff didn’t know how to reprogram time
schedules
– Unionized Labor Force• Complaints
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Energy Exchange: Federal Sustainability for the Next Decade21
Smart Lighting Controls
Case StudyWired Fixture Level Controls 5 Years Later
– What Happened? – Time Schedules didn’t line up with operations (24/7)
• Lights turned off while workers in area• Zones no longer work due to equipment layout changes• Minimal training, maintenance staff didn’t know how to reprogram time
schedules
– Unionized Labor Force• Complaints
– Controls default to “fail on” mode for safety– Lack of facility buy‐in on the system
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Energy Exchange: Federal Sustainability for the Next Decade21
Smart Lighting Controls
Case StudyWired Fixture Level Controls 5 Years Later
– What Happened? – Time Schedules didn’t line up with operations (24/7)
• Lights turned off while workers in area• Zones no longer work due to equipment layout changes• Minimal training, maintenance staff didn’t know how to reprogram time
schedules
– Unionized Labor Force• Complaints
– Controls default to “fail on” mode for safety– Lack of facility buy‐in on the system– System was reportedly unplugged weeks after installation– Result: $150k system with no payback
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Energy Exchange: Federal Sustainability for the Next Decade22
Smart Lighting Controls
Case StudyWired Fixture Level Controls 5 Years Later
Requires Constant Monitoring (IT Specialist?)
No Communications
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Energy Exchange: Federal Sustainability for the Next Decade23
Smart Lighting Controls
Case StudyWired Fixture Level Controls 5 Years LaterActual As‐Built Drawing – What’s Wrong?
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Energy Exchange: Federal Sustainability for the Next Decade23
Smart Lighting Controls
Case StudyWired Fixture Level Controls 5 Years LaterActual As‐Built Drawing – What’s Wrong?
On Time
Off Time
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Energy Exchange: Federal Sustainability for the Next Decade24
Smart Lighting Controls
Case StudyWired Fixture Level Controls 5 Years Later
How do we salvage the system?
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Energy Exchange: Federal Sustainability for the Next Decade24
Smart Lighting Controls
Case StudyWired Fixture Level Controls 5 Years Later
How do we salvage the system?Retrofit with occupancy sensors
• Install new passive ceiling sensors to control small groups• Recommission system to operate on occupancy instead of
time
![Page 63: Advanced Lighting and Lighting Controls ... - Energy Exchange](https://reader034.vdocuments.us/reader034/viewer/2022050313/626fa5d95c4d1b344652e9b0/html5/thumbnails/63.jpg)
Energy Exchange: Federal Sustainability for the Next Decade24
Smart Lighting Controls
Case StudyWired Fixture Level Controls 5 Years Later
How do we salvage the system?Retrofit with occupancy sensors
• Install new passive ceiling sensors to control small groups• Recommission system to operate on occupancy instead of
time
Advantages of occupancy based• Should have less complaints…if you’re not under the
fixture, you don’t need that light• New “zones” based on sensor coverage area should not
impact future layout changes• Less tampering of system since sensors are 20‐ft in the air• Corporate can remotely monitor system through BACnet
![Page 64: Advanced Lighting and Lighting Controls ... - Energy Exchange](https://reader034.vdocuments.us/reader034/viewer/2022050313/626fa5d95c4d1b344652e9b0/html5/thumbnails/64.jpg)
Energy Exchange: Federal Sustainability for the Next Decade24
Smart Lighting Controls
Case StudyWired Fixture Level Controls 5 Years Later
How do we salvage the system?Retrofit with occupancy sensors
• Install new passive ceiling sensors to control small groups• Recommission system to operate on occupancy instead of
time
Advantages of occupancy based• Should have less complaints…if you’re not under the
fixture, you don’t need that light• New “zones” based on sensor coverage area should not
impact future layout changes• Less tampering of system since sensors are 20‐ft in the air• Corporate can remotely monitor system through BACnet
Disadvantages• Additional capital costs for sensors and recommissioning• Might be throwing good money after bad
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Energy Exchange: Federal Sustainability for the Next Decade25
Smart Lighting Controls
Conclusion
Research control types based on facility needs
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Energy Exchange: Federal Sustainability for the Next Decade25
Smart Lighting Controls
Conclusion
Research control types based on facility needs• Choose systems that cannot be overridden/disconnect
easily• Get facility buy‐in and insure they keep it maintained
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Energy Exchange: Federal Sustainability for the Next Decade25
Smart Lighting Controls
Conclusion
Research control types based on facility needs• Choose systems that cannot be overridden/disconnect
easily• Get facility buy‐in and insure they keep it maintained• Choose systems that will be supported in the future• Spend your money wisely
![Page 68: Advanced Lighting and Lighting Controls ... - Energy Exchange](https://reader034.vdocuments.us/reader034/viewer/2022050313/626fa5d95c4d1b344652e9b0/html5/thumbnails/68.jpg)
Energy Exchange: Federal Sustainability for the Next Decade25
Smart Lighting Controls
Conclusion
Research control types based on facility needs• Choose systems that cannot be overridden/disconnect
easily• Get facility buy‐in and insure they keep it maintained• Choose systems that will be supported in the future• Spend your money wisely• Passive technologies may be the best bang for the buck• Consult with a lighting professional
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Energy Exchange: Federal Sustainability for the Next Decade26
Questions & Comments
Binh Nguyen, PE, CEMSenior Energy Engineer
Amec Foster Wheeler Environment & Infrastructure
404 SW 140th TerraceGainesville, FL 32669