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CXA1512-0000-000F00K20E6 产品设计参考手册 - CREE（美国科锐）
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CXA1512-0000-000F00K20E6数据手册
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Copyright © 2013-2016 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree
®
, XLamp
®
and EasyWhite
®
are registered trademarks and the Cree logo is a
trademark of Cree, Inc. ENERGY STAR
®
is a registered trademark of the U.S. Environmental Protection Agency. Other trademarks, product, and company names are the property of their respective owners and
do not imply specic product and/or vendor endorsement, sponsorship or association. For product specications, please see the data sheets available at www.cree.com. For warranty information, please
contact Cree Sales at sales@cree.com.
3
XLAMP
®
CXA1512 LED RETAIL TRACK LIGHT REFERENCE DESIGN
Table 3:
Luminaire Minimum Light
Luminaire Zonal Lumen
Accent Lights
• includes line voltage track heads
• includes directional ceiling fan light
kits
35 lm/W Luminaire shall deliver a minimum of
200 lumens per head.
Luminaire shall deliver a minimum of
80% of total initial lumens within the
0-40° zone (axially symmetric about the
center of the beam).
Table 4:
Characteristic
Light source life requirements: all
luminaires
The LED package(s) / LED module(s) / LED array(s), including those incorporated into LED light engines or GU24 based integrated
LED lamps, shall meet the following L70 lumen maintenance life values (refer to Lumen Maintenance Requirements in the next
section):
• 25,000 hours for residential grade indoor luminaires
• 35,000 hours for residential grade outdoor luminaires
• 35,000 hours for commercial grade luminaires
Lumen maintenance life projection claims in excess of the above requirements shall be substantiated with a TM-21 lumen
maintenance life projection report.
Lumen maintenance requirements:
directional and non-directional
luminaires
The LED package(s) / module(s) / array(s), including those incorporated into LED light engines or GU24 based integrated LED
lamps, shall meet the following L
70
(6k) rated lumen maintenance life values, in situ:
• L
70
(6k) ≥ 25,000 hours for residential indoor
• L
70
(6k) ≥ 35,000 hours for residential outdoor, or commercial
Compliance with the above shall be documented with a TM-21 lumen maintenance life projection report as detailed in TM-21,
section 7. The report shall be generated using data from the LM-80 test report for the employed LED package/module/array
model (“device”), the forward drive current applied to each device, and the in situ TMP
LED
temperature of the hottest LED in the
luminaire. In addition to LM-80 reporting requirements, the following information shall be reported:
• sampling method and sample size (per LM-80 section 4.3)
• test results for each T
S
and drive current combination
• description of device including model number and whether device is an LED package, module or array (see Denitions)
• ANSI target, and calculated CCT value(s) for each device in sample set
• Δ u’v’ chromaticity shift value on the CIE 1976 diagram for each device in sample set
• a detailed rationale, with supporting data, for application of results to other devices (e.g. LED packages with other CCTs)
Access to the TMP
LED
for the hottest LED may be accomplished via a minimally sized hole in the luminaire housing, tightly
resealed with a suitable sealant if created for purposes of testing.
All thermocouple attachments and intrusions to luminaire housing shall be photographed.
CCT requirements: all indoor
luminaires
The luminaire (directional luminaires), or replaceable LED light engine or GU24 based integrated LED lamp (non-directional
luminaires) shall have one of the following nominal CCTs:
• 2700 Kelvin
• 3000 Kelvin
• 3500 Kelvin
• 4000 Kelvin
• 5000 Kelvin (commercial only)
The luminaire, LED light engine or GU24 based integrated LED lamp shall also fall within the corresponding 7-step chromaticity
quadrangles as dened in ANSI/NEMA/ANSLG C78.377-2008.
Color rendering requirements: all
indoor luminaires
The luminaire (directional luminaires), or replaceable LED light engine or GU24 based integrated LED lamp (non-directional
luminaires) shall meet or exceed Ra ≥ 80.
Color angular uniformity requirements:
directional solid state indoor
luminaires
Throughout the zonal lumen density angles detailed above, and ve degrees beyond, the variation of chromaticity shall be within
0.004 from the weighted average point on the CIE 1976 (u’,v’) diagram.
Color maintenance requirements: solid
state indoor luminaires only
The change of chromaticity over the rst 6,000 hours of luminaire operation shall be within 0.007 on the CIE 1976 (u’,v’) diagram,
as demonstrated by either:
• the IES LM-80 test report for the employed LED package/array/module model, or
• as demonstrated by a comparison of luminaire chromaticity data in LM-79 reports at zero and 6,000 hours, or
• as demonstrated by a comparison of LED light engine or GU24 based integrated LED lamp chromaticity data in LM-82 reports
at zero and 6,000 hours.
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