advanced lighting and lighting controls ... - energy exchange
Embed Size (px)
TRANSCRIPT
LED and Smart Controls: Lessons Learned
Advanced Lighting and Lighting Controls Technologies
Binh Nguyen P.E., CEM Amec Foster Wheeler
August 11, 2016
Speaker Biography
• Binh Nguyen, PE, CEM – Senior Energy Engineer – Lighting Design Group Leader Career BSEE – University of Florida Licensed Professional Engineer (PE) – FL, GA, AL, MS Certified Energy Manager (CEM) – AEE Hobbies “Internet of Things” Thermostats, etc Cycling to work…only in fair conditions Sports – GO Gators!
2
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
• 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
• 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
• 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
• 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 bipin sockets not rated for line voltage
5
TLED
• 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 bipin sockets not rated for line voltage
• Lower efficacy (lm/W) vs. other options, rated life between 30,000 and 60,000 hours
5
TLED
• 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 bipin 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
• 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
• 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
• 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
• CALiPER Test Results
• Real TLED World Install
Energy Exchange: Federal Sustainability for the Next Decade
• Real TLED World Install – LEDs have directional beam – TLEDs have 180 to 300degree beam
8
Energy Exchange: Federal Sustainability for the Next Decade
• Real TLED World Install – LEDs have directional beam – TLEDs have 180 to 300degree beam – Light level under TLED fixture, 15fc – Light level under T8 fixture, 25fc
8
Energy Exchange: Federal Sustainability for the Next Decade
• Real TLED World Install – LEDs have directional beam – TLEDs have 180 to 300degree beam – Light level under TLED fixture, 15fc – Light level under T8 fixture, 25fc
– Lamp beam side ways
Energy Exchange: Federal Sustainability for the Next Decade
• Real TLED World Install – Light beam or streaks behind traditional lens
9
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
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
• Engineered Retrofit Kits – Provides the best optics for existing fixtures
10
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
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
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
• Engineered Retrofit Kits – Heat is properly managed
11
Energy Exchange: Federal Sustainability for the Next Decade
• Engineered Retrofit Kits – Heat is properly managed – Rated output and life more accurate
11
Energy Exchange: Federal Sustainability for the Next Decade
• Engineered Retrofit Kits – Heat is properly managed – Rated output and life more accurate – Longer warranty
11
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
• New LED Fixtures – Best for new construction or major renovation
12
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
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
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
Energy Exchange: Federal Sustainability for the Next Decade
• Providence, RI Facility – Over 500 LED highbay fixtures to replace 400W HID
13
Energy Exchange: Federal Sustainability for the Next Decade
• Providence, RI Facility – Over 500 LED highbay fixtures to replace 400W HID – Wireless smart controls with dimming and sensors
13
Energy Exchange: Federal Sustainability for the Next Decade
• Providence, RI Facility – Over 500 LED highbay fixtures to replace 400W HID – Wireless smart controls with dimming and sensors – Estimated 3.5 year simple payback without rebates
13
Energy Exchange: Federal Sustainability for the Next Decade
• Providence, RI Facility – Over 500 LED highbay 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
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
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
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
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
Energy Exchange: Federal Sustainability for the Next Decade
• Providence, RI Facility Historic Energy Usage
15
600000
700000
800000
900000
1000000
1100000
1200000
1300000
kWh
kWh
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
16
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
16
Smart Lighting Controls
• “The most efficient light is the one that is off or only on when it is needed” – a smart lighting engineer
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?
Energy Exchange: Federal Sustainability for the Next Decade
• Why Smart Network Controls? – Building automation
18
• Why Smart Network Controls? – Building automation – Analytics and trending
18
• Why Smart Network Controls? – Building automation – Analytics and trending – Energy conservation
18
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
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
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
Smart Lighting Controls
Energy Exchange: Federal Sustainability for the Next Decade20
Smart Lighting Controls
??? Communication Errors
Smart Lighting Controls
– What Happened?
Smart Lighting Controls
Case Study Wired 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
Smart Lighting Controls
Case Study Wired 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 buyin on the system
Energy Exchange: Federal Sustainability for the Next Decade21
Smart Lighting Controls
Case Study Wired 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 buyin on the system – System was reportedly unplugged weeks after installation – Result: $150k system with no payback
Energy Exchange: Federal Sustainability for the Next Decade22
Smart Lighting Controls
Requires Constant Monitoring (IT Specialist?)
No Communications
Smart Lighting Controls
Case Study Wired Fixture Level Controls 5 Years Later Actual AsBuilt Drawing – What’s Wrong?
Energy Exchange: Federal Sustainability for the Next Decade23
Smart Lighting Controls
Case Study Wired Fixture Level Controls 5 Years Later Actual AsBuilt Drawing – What’s Wrong?
On Time
Off Time
Smart Lighting Controls
How do we salvage the system?
Energy Exchange: Federal Sustainability for the Next Decade24
Smart Lighting Controls
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
Smart Lighting Controls
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 20ft in the air • Corporate can remotely monitor system through BACnet
Energy Exchange: Federal Sustainability for the Next Decade24
Smart Lighting Controls
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 20ft 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
Energy Exchange: Federal Sustainability for the Next Decade25
Smart Lighting Controls
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 buyin and insure they keep it maintained
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 buyin and insure they keep it maintained • Choose systems that will be supported in the future • Spend your money wisely
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 buyin 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
Energy Exchange: Federal Sustainability for the Next Decade26
Questions & Comments
Amec Foster Wheeler Environment & Infrastructure
404 SW 140th Terrace Gainesville, FL 32669
[email protected] 352-333-3631
Advanced Lighting and Lighting Controls Technologies
Binh Nguyen P.E., CEM Amec Foster Wheeler
August 11, 2016
Speaker Biography
• Binh Nguyen, PE, CEM – Senior Energy Engineer – Lighting Design Group Leader Career BSEE – University of Florida Licensed Professional Engineer (PE) – FL, GA, AL, MS Certified Energy Manager (CEM) – AEE Hobbies “Internet of Things” Thermostats, etc Cycling to work…only in fair conditions Sports – GO Gators!
2
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
• 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
• 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
• 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
• 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 bipin sockets not rated for line voltage
5
TLED
• 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 bipin sockets not rated for line voltage
• Lower efficacy (lm/W) vs. other options, rated life between 30,000 and 60,000 hours
5
TLED
• 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 bipin 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
• 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
• 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
• 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
• CALiPER Test Results
• Real TLED World Install
Energy Exchange: Federal Sustainability for the Next Decade
• Real TLED World Install – LEDs have directional beam – TLEDs have 180 to 300degree beam
8
Energy Exchange: Federal Sustainability for the Next Decade
• Real TLED World Install – LEDs have directional beam – TLEDs have 180 to 300degree beam – Light level under TLED fixture, 15fc – Light level under T8 fixture, 25fc
8
Energy Exchange: Federal Sustainability for the Next Decade
• Real TLED World Install – LEDs have directional beam – TLEDs have 180 to 300degree beam – Light level under TLED fixture, 15fc – Light level under T8 fixture, 25fc
– Lamp beam side ways
Energy Exchange: Federal Sustainability for the Next Decade
• Real TLED World Install – Light beam or streaks behind traditional lens
9
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
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
• Engineered Retrofit Kits – Provides the best optics for existing fixtures
10
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
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
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
• Engineered Retrofit Kits – Heat is properly managed
11
Energy Exchange: Federal Sustainability for the Next Decade
• Engineered Retrofit Kits – Heat is properly managed – Rated output and life more accurate
11
Energy Exchange: Federal Sustainability for the Next Decade
• Engineered Retrofit Kits – Heat is properly managed – Rated output and life more accurate – Longer warranty
11
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
• New LED Fixtures – Best for new construction or major renovation
12
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
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
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
Energy Exchange: Federal Sustainability for the Next Decade
• Providence, RI Facility – Over 500 LED highbay fixtures to replace 400W HID
13
Energy Exchange: Federal Sustainability for the Next Decade
• Providence, RI Facility – Over 500 LED highbay fixtures to replace 400W HID – Wireless smart controls with dimming and sensors
13
Energy Exchange: Federal Sustainability for the Next Decade
• Providence, RI Facility – Over 500 LED highbay fixtures to replace 400W HID – Wireless smart controls with dimming and sensors – Estimated 3.5 year simple payback without rebates
13
Energy Exchange: Federal Sustainability for the Next Decade
• Providence, RI Facility – Over 500 LED highbay 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
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
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
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
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
Energy Exchange: Federal Sustainability for the Next Decade
• Providence, RI Facility Historic Energy Usage
15
600000
700000
800000
900000
1000000
1100000
1200000
1300000
kWh
kWh
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
16
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
16
Smart Lighting Controls
• “The most efficient light is the one that is off or only on when it is needed” – a smart lighting engineer
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?
Energy Exchange: Federal Sustainability for the Next Decade
• Why Smart Network Controls? – Building automation
18
• Why Smart Network Controls? – Building automation – Analytics and trending
18
• Why Smart Network Controls? – Building automation – Analytics and trending – Energy conservation
18
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
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
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
Smart Lighting Controls
Energy Exchange: Federal Sustainability for the Next Decade20
Smart Lighting Controls
??? Communication Errors
Smart Lighting Controls
– What Happened?
Smart Lighting Controls
Case Study Wired 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
Smart Lighting Controls
Case Study Wired 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 buyin on the system
Energy Exchange: Federal Sustainability for the Next Decade21
Smart Lighting Controls
Case Study Wired 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 buyin on the system – System was reportedly unplugged weeks after installation – Result: $150k system with no payback
Energy Exchange: Federal Sustainability for the Next Decade22
Smart Lighting Controls
Requires Constant Monitoring (IT Specialist?)
No Communications
Smart Lighting Controls
Case Study Wired Fixture Level Controls 5 Years Later Actual AsBuilt Drawing – What’s Wrong?
Energy Exchange: Federal Sustainability for the Next Decade23
Smart Lighting Controls
Case Study Wired Fixture Level Controls 5 Years Later Actual AsBuilt Drawing – What’s Wrong?
On Time
Off Time
Smart Lighting Controls
How do we salvage the system?
Energy Exchange: Federal Sustainability for the Next Decade24
Smart Lighting Controls
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
Smart Lighting Controls
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 20ft in the air • Corporate can remotely monitor system through BACnet
Energy Exchange: Federal Sustainability for the Next Decade24
Smart Lighting Controls
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 20ft 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
Energy Exchange: Federal Sustainability for the Next Decade25
Smart Lighting Controls
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 buyin and insure they keep it maintained
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 buyin and insure they keep it maintained • Choose systems that will be supported in the future • Spend your money wisely
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 buyin 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
Energy Exchange: Federal Sustainability for the Next Decade26
Questions & Comments
Amec Foster Wheeler Environment & Infrastructure
404 SW 140th Terrace Gainesville, FL 32669
[email protected] 352-333-3631