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ADVANCED LIGHTING DESIGN

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61 diapositives · 1.4K Views · Sep 01, 2014

SEPTEMBER 18TH AND 21ST, 2012. ADVANCED LIGHTING DESIGN. SEPTEMBER 18TH AND 21ST, 2012. ADVANCED LIGHTING DESIGN. LIGHTING DESIGN PROCESS. What am I trying to do? How am I going to do it? What lamp (or light source) will do what I need it to do? What fixture will accept that light source?.

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  1. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN

  2. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN LIGHTING DESIGN PROCESS • What am I trying to do? • How am I going to do it? • What lamp (or light source) will do what I need it to do? • What fixture will accept that light source?

  3. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN ENERGY EFFICIENT LIGHTING • Energy Efficient Lighting should never “look” energy efficient • Do our determining factors change just because we are using energy efficient fixtures? • Draw comparisons to energy efficient appliances...are you giving anything up? Are you losing expected qualities in order to achieve energy efficient standards?

  4. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN ENERGY EFFICIENT LIGHTING • What are the most important “determining factors”? • Color temperature, Color Rendering, Glare Control, Dimming, Effect on People • Use the same critical process in selecting energy efficient lighting that you would use for “normal” lighting.

  5. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN LED TECHNOLOGY LED CFL • Good for wide-spread, softer illumination • Not instant “on” to full intensity • Not true full range dimming • Mercury disposal issues • Affordable initial cost • Established technology that has improved greatly • Good for intense, directional lighting such as highlighting • Instant “on” to full intensity • Full range dimming • No mercury • Very high initial cost • Emerging technology with potential to be obsolete quickly in favor of advanced product

  6. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN LED TECHNOLOGY WHAT TO LOOK FOR • EXACT COLOR TEMPERATURE LISTING • COMPATIBILITY OF DIMMERS WITH DRIVER (MLV, ELV, 0-10 VOLT) • ABILITY TO DISSIPATE HEAT • ABILITY TO CONTROL GLARE • RELIABILITY OF MANUFACTURER • REMOTE PHOSPHOR vs. MULTIPLE ARRAY • SUSTAINABILITY / ABILITY TO UPGRADE COMPONENTS • LIFE OF LED (LM-70) / LIFE OF DRIVER??? • LENGTH OF WARRANTY...(FIXTURE, FIXTURE + LABOR) • ACCURATE COMPARISON TO NON-LED LIGHT SOURCE

  7. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN D.O.E. LIGHTING FACTS LABEL Lumen Output Efficacy Color Rendering Color Temperature www.ssl.energy.gov/

  8. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN DESIGN CONSIDERATIONS Retrofit New Construction • Color Temperature • Color Rendering • Quantity of Light • Cutoff / Glare Control • Energy Efficiency • Initial Cost • Effect on People • Compatibility with existing fixtures • Color Temperature • Color Rendering • Quantity of Light • Cutoff / Glare Control • Energy Efficiency • Initial Cost • Effect on People

  9. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN LIGHTING TERMINOLOGY Color Temperature The color temperature is a specification of the color appearance of a light source, relating to the color of a reference source heated to a particular temperature, measured by the thermal unit Kelvin. The measurement can also be described as the “warmth” or coolness” of a light source. The outward appearance of the color of a light source (i.e. warm or cool). Glossary definitions as defined by Architectural Lighting Magazine 2008.

  10. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CORRELATED COLOR TEMPERATURE (CCT) LOW VOLTAGE HALOGEN 4200K COOL WHITE 3500K FLUORESCENT 4100K FLUORESCENT 3000K FLUORESCENT NOON DAYLIGHT INCANDESCENT 3000K 3500K 2850K 2700K 4100K 4200K 6000K

  11. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN LIGHTING TERMINOLOGY Color Rendering A scale of the effect of a light source on the color appearance of an object compared to its color appearance under a reference light source. Expressed on a scale of 1 to 100, where 100 indicates no color shift. A low CRI rating suggests that the colors of objects will appear unnatural under that particular light source. The ability of a light source to render colors in comparison to other light sources of a similar color temperature. Glossary definitions as defined by Architectural Lighting Magazine 2008.

  12. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN SPECTRAL POWER DISTRIBUTION

  13. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN ADVANCED LIGHTING DESIGN UNDERSTANDING CUT-OFF Not 45 deg. cut-off angle 45 deg. cut-off angle

  14. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN ADVANCED LIGHTING DESIGN COMPARING CFL TO LED Fixture #1: 6” aperture 32 watt CFL Recessed Downlight http://www.junolightinggroup.com/Attachments/images/content/SpecSheets/J1.1.24_C6H%20Downlight%20Triple.pdf Fixture #2: 6” aperture 21 watt LED Recessed Downlight http://www.junolightinggroup.com/attachments/images/content/specsheets/L6-L600H.pdf Fixture #3: 6” aperture 21 watt LED Recessed Downlight http://www.junolightinggroup.com/attachments/images/content/specsheets/L6-L600P.pdf

  15. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN ADVANCED LIGHTING DESIGN COMPARING CFL TO LED • Fixture #1: 6” 32w CFL • 59.6% fixture efficiency • 1.37 spacing criteria • 43 fc at 6’ x 6’ spacing • 18,000 hour lamp life • lower initial cost • Fixture #2: 6” 21w LED • 64lm p/watt fixture efficiency • 0.86 spacing criteria • 44 fc at 6’ x 6’ spacing • LM70 at 50,000 hours • higher initial cost • Fixture #3: 6” 21w LED • 44lm p/watt fixture efficiency • 0.92 spacing criteria • 38 fc at 6’ x 6’ spacing • LM70 at 50,000 hours • higher initial cost

  16. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CASE STUDY #1 - WOMENS’ CLOTHING STORE (retrofit)

  17. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CASE STUDY #1 - WOMENS’ CLOTHING STORE (retrofit) • Existing Lighting: • Track lighting with 50 watt halogen PAR30/HIR/NFL25 lamps (qty 70) • Track lighting with (2) 24 watt CFL wall wash heads • Linear fluorescent wall grazing in alcoves • Problems: • Overall wattage consumption of halogen track heads (3500 watts) • Heat from halogen lamps and impact on HVAC system • Relatively low lamp life (5000 hours)

  18. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CASE STUDY #1 - WOMENS’ CLOTHING STORE (retrofit) • Most Important Criteria: • Reduce overall wattage consumption • Reduce heat output and impact on HVAC system • Reduce fixture maintenance by increasing lamp life • No negative impact on color output of lighting • No reduction in the quantity of light at product displays

  19. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN Retrofit LED Lamp Option #1

  20. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN Retrofit LED Lamp Option #1

  21. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN Retrofit LED Lamp Option #2

  22. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN Retrofit LED Lamp Option #2

  23. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN INVERSE SQUARE LAW FOOTCANDLES = CBCP / DISTANCE SQUARED 50PAR30/HIR/NFL25 2810 CCT 100 CRI** 620 Lumens 3200 CBCP 8’ Distance 50 Footcandles 50 Watts LR30/25/27K/800 2700 CCT 85 CRI 800 Lumens 4050 CBCP 8’ Distance 63 Footcandles 13 Watts DFN/30SN/W27/NFL 2700 CCT 85 CRI 725 Lumens 3014 CBCP 8’ Distance 47 Footcandles 13 Watts

  24. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CASE STUDY #1 - WOMENS’ CLOTHING STORE (retrofit) • Change to LED PAR30: • Immediate reduction in wattage consumption • Immediate reduction in heat output • 50,000 hour lamp life is 10 times existing lamps • 20% increase in light output • 50 • 13 • 37 • 70 • 259 • 2.59 • 2.59 • 10 • 6 • 52 • 8081 • 8081 • .10 • 808 • 2800 • 808 • 3.47

  25. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CASE STUDY #1 - WOMENS’ CLOTHING STORE (retrofit)

  26. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CASE STUDY #2 - SHOE SHOWROOM (new construction) • Most Important Criteria: • Meet or exceed local energy codes (1 watt sq. ft) for ambient lighting • Meet or exceed local energy codes (allowance) for “retail” lighting • Excellent color temperature and color rendition • Low fixture maintenance • Clean, architectural appearance that complements architectural environment • Highlight products in a better way than typical track lighting

  27. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CASE STUDY #2 - SHOE SHOWROOM (new construction)

  28. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CASE STUDY #2 - SHOE SHOWROOM (new construction) • “Typical” track lighting approach advantages: • inexpensive initial fixture cost • provides ultimate flexibility for changing displays • end-user familiarity • “Typical” track lighting approach disadvantages: • requires many heads to achieve a “wash” of light • requires end user to constantly pay attention to proper aiming of lights • does not support “clean” and architectural appearance to showroom

  29. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CASE STUDY #2 - SHOE SHOWROOM (new construction)

  30. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CASE STUDY #2 - SHOE SHOWROOM (new construction)

  31. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CASE STUDY #2 - SHOE SHOWROOM (new construction) • Lighting Fixture Types: • Linear T5HO (3500K) cantilevered asymmetric wall washers (13.5 watts per linear foot) • Architectural indirect pendant system with integrated adjustable accent lighting for highlights • Indirect component is linear T5 (standard output) fluorescent (3500K)...provides average of 20fc at .9 watts/sq. ft • Direct adjustable component is 10 watt LEDMR16/NFL25 to replace 50 watt halogen MR16 lamps • Reception areas use 20 watt dedicated LED recessed wall washers

  32. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CASE STUDY #2 - SHOE SHOWROOM (new construction)

  33. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CASE STUDY #3 - HOUSE OF WORSHIP (retrofit)

  34. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CASE STUDY #3 - HOUSE OF WORSHIP (retrofit) • Existing Lighting: • Track lighting with 75 watt halogen PAR30/HIR/NFL25 lamps (qty 100) • Pendants with (4) 39 watt BIAX CFL lamps • Indirect / direct wall sconces with 50 watt halogen PAR20/HAL/FL35 lamps • Problems: • Overall wattage consumption of halogen track heads (7500 watts) • Heat from halogen lamps and impact on HVAC system • Relatively low lamp life (5000 hours)...maintenance is an issue due to ceiling heights

  35. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CASE STUDY #3 - HOUSE OF WORSHIP (retrofit) • Most Important Criteria: • Reduce overall wattage consumption • Reduce heat output and impact on HVAC system • Reduce fixture maintenance by increasing lamp life • No negative impact on color output of lighting • No reduction in the quantity of light at pews • Fixtures must be able to dim smoothly, especially at lower levels

  36. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN Retrofit LED Lamp Option #1

  37. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN Retrofit LED Lamp Option #1

  38. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN Retrofit LED Lamp Option #2

  39. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN Retrofit LED Lamp Option #2

  40. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN INVERSE SQUARE LAW FOOTCANDLES = CBCP / DISTANCE SQUARED 75PAR30/HIR/NFL25 2810 CCT 100 CRI** 714 Lumens 3800 CBCP 14’ Distance 20 Footcandles 75 Watts LR30/25/27K/1000 2700 CCT 85 CRI 800 Lumens 5100 CBCP 14’ Distance 26 Footcandles 16 Watts DFN/30SN/W27/NFL 2700 CCT 85 CRI 725 Lumens 3014 CBCP 14’ Distance 15 Footcandles 13 Watts

  41. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CASE STUDY #3 - HOUSE OF WORSHIP (retrofit) • Change to LED PAR30: • Immediate reduction in wattage consumption • Immediate reduction in heat output • 50,000 hour lamp life is 10 times existing lamps • greatly reduced maintenance is biggest advantage • 28% increase in light output • 75 • 13 • 62 • 100 • 6200 • 6.2 • 6.2 • 2 • 7 • 52 • 4514 • 4514 • .10 • 451 • 5000 • 451 • 11.0

  42. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CASE STUDY #4 - Office (new construction) Fixture 1 3500 CCT 80+ CRI 3363 Lumens L70 at 50,000 hours 46 Watts Spacing Criteria ??? Fixture 2 3500 CCT 80+ CRI 5220 Lumens L70 at 50,000 hours 72 Watts Spacing Criteria 1.2 / 1.8 Fixture 3 3500 CCT 82 CRI 3617 Lumens L70 at 50,000 hours 36 Watts Spacing Criteria ???

  43. Fixture 1 • Average: • Maximum: • Minimum: • Max/Min: • Avg/Min: • 40.5fc • 57.8fc • 18 • 3.2:1 • 2.3:1 SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CASE STUDY #4 - Office (new construction)

  44. Fixture 2 • Average: • Maximum: • Minimum: • Max/Min: • Avg/Min: • 53.8fc • 71.8fc • 27 • 2.7:1 • 2.0:1 SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CASE STUDY #4 - Office (new construction)

  45. Fixture 3 • Average: • Maximum: • Minimum: • Max/Min: • Avg/Min: • 42.5fc • 57.3fc • 21.3 • 2.7:1 • 2.0:1 SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CASE STUDY #4 - Office (new construction)

  46. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CASE STUDY #4 - RESTAURANT (retrofit)

  47. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CASE STUDY #4 - RESTAURANT (retrofit) • Existing Lighting: • Recessed lights with 50 watt halogen MR16 lamps (qty 25) • Chandelier with (12) 40 watt A-lamps • Mini Pendants with 60 watt A-lamps (qty 5) • Wall Sconces with 50 watt halogen MR16 lamps (qty 15) • Problems: • Constant maintenance of lamp replacement • Heat from halogen lamps and impact on wine bottles • Relatively low lamp life (2500 hours)...

  48. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN CASE STUDY #4 - RESTAURANT (retrofit) • Most Important Criteria: • Reduce overall wattage consumption • Reduce heat output and impact on HVAC system • Reduce fixture maintenance by increasing lamp life • NO NEGATIVE IMPACT ON COLOR OUTPUT! • No reduction in the quantity of light tables • Fixtures must be able to dim smoothly, especially at lower levels

  49. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN Retrofit LED Lamp Option #1

  50. SEPTEMBER 18TH AND 21ST, 2012 ADVANCED LIGHTING DESIGN Retrofit LED Lamp Option #1