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CR22-32L-40K-CMA Datasheet(PDF) 3 Page - Cree, Inc |
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CR22-32L-40K-CMA Datasheet(HTML) 3 Page - Cree, Inc |
3 / 3 page © 2016 Cree, Inc. and/or one of its subsidiaries. All rights reserved. For informational purposes only. Content is subject to change. Patent www.cree.com/patents. Cree®, SmartCast®, the SmartCast logo, TrueWhite®, and Cree TrueWhite® are registered trademarks, and CR22™, the Cree logo, the Cree TrueWhite Technology logo, and OneButton™ are trademarks of Cree, Inc. The UL logo is a registered trademark of UL LLC. The DLC QPL logo is a registered trademark of Northeast Energy Efficiency Partnerships, Inc. T (800) 236-6800 F (262) 504-5415 US: lighting.cree.com/lighting T (800) 473-1234 F (800) 890-7507 Canada: www.cree.com/canada CR22™ 2' x 2' Architectural LED Troffer with Cree SmartCast® Technology 0˚ 20˚ 50˚ 70˚ 90˚ 291 0 1164 582 873 0˚ 90˚ Coefficients Of Utilization – Zonal Cavity Method RC %: 80 RW %: 70 50 30 10 RCR: 0 119 119 119 119 1 110 105 101 98 2 100 92 86 80 3 91 81 73 67 4 84 72 63 57 5 77 64 55 49 6 71 58 49 43 7 66 52 44 38 8 61 48 39 33 9 57 44 36 30 10 53 40 32 27 Effective Floor Cavity Reflectance: 20% Zonal Lumen Summary Zone Lumens % Lamp Luminaire 0-30 925 N/A 28.2% 0-40 1,532 N/A 46.7% 0-60 2,716 N/A 82.7% 0-90 3,284 N/A 100% 0-180 3,284 N/A 100% Average Luminance Table (cd/m2) Horizontal Angle 0° 45° 90° 45° 3,517 3,799 3,852 55° 3,117 3,552 3,568 65° 2,439 2,970 3,066 75° 1,559 2,063 1,656 85° 359 203 133 Photometry CR22-32L-30K BASED ON CSA REPORT TEST #: 2362893-01 Luminaire photometry has been conducted by a NVLAP accredited testing laboratory in accordance with IESNA LM-79-08. IESNA LM-79-08 specifies the entire luminaire as the source resulting in a luminaire efficiency of 100%. Reference www.cree.com/Lighting/Products/Indoor/Troffers/CR-Series for detailed photometric data Open Space Spacing Lumens Wattage LPW w/ft2 Average fc 8 x 8 3,200 32W 100 0.55 44 8 x 10 0.44 37 10 x 10 0.35 31 10 x 12 0.29 25 9' ceiling: 80/50/20 reflectances; 2.5' workplane, open room. LLF: 1.0 Initial Open Space: 50' x 40' x 10' Application Reference Based on CR22-32L-30K Luminaire 1 Lumen maintenance values at 25˚C are calculated per TM-21 based on LM-80 data and in-situ luminaire testing 2 In accordance with IESNA TM-21-11, Projected Values represent interpolated value based on time durations that are within six times (6X) the IESNA LM-80-08 total test duration (in hours) for the device under testing ((DUT) i.e. the packaged LED chip) 3 In accordance with IESNA TM-21-11, Calculated Values represent time durations that exceed six times (6X) the IESNA LM-80-08 total test duration (in hours) for the device under testing ((DUT) i.e. the packaged LED chip) Recommended CR Series Lumen Maintenance Factors (LMF)1 Ambient Initial LMF 25K hr Projected2 LMF 50K hr Projected2 LMF 75K hr Calculated3 LMF 100K hr Calculated3 LMF 0˚C (32˚F) 1.05 1.04 1.04 1.04 1.04 5˚C (41˚F) 1.04 1.03 1.03 1.03 1.03 10˚C (50˚F) 1.03 1.02 1.02 1.02 1.02 15˚C (59˚F) 1.02 1.01 1.01 1.01 1.01 20˚C (68˚F) 1.01 1.00 1.00 1.00 1.00 25˚C (77˚F) 1.00 0.99 0.99 0.99 0.99 30˚C (86˚F) 0.99 0.98 0.98 0.98 0.98 35˚C (95˚F) 0.98 0.97 0.97 0.97 0.97 40˚C (104˚F) 0.97 0.96 0.96 0.96 0.96 |
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