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US: www.cree.com/lighting

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Canada: www.cree.com/canada

© 2015 Cree, Inc. and/or one of its subsidiaries. All rights reserved. For informational purposes only. Content is subject to change. Patent

registered trademark of Northeast Energy Efficiency Partnerships, Inc.

CR22™ 2' x 2' Architectural LED Troffer

Open Space

Spacing

Lumens

Wattage

LPW

Average fc

8 x 8

2000L

22W

90

0.35

28

3200L

32W

100

0.55

44

8 x 10

2000L

22W

90

0.28

23

3200L

32W

100

0.44

37

10 x 10

2000L

22W

190

0.22

20

3200L

32W

100

0.35

31

10 x 12

2000L

22W

90

0.19

16

3200L

32W

100

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'

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

85

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

923

N/A

28.1%

0-40

1,527

N/A

46.5%

0-60

2,704

N/A

82.5%

0-90

3,280

N/A

100%

0-180

3,959

N/A

100%

Horizontal Angle

0°

45°

90°

45°

3,575

3,864

3,972

55°

3,164

3,656

3,758

65°

2,498

3,133

3,347

75°

1,620

2,348

2,051

85°

366

252

168

Photometry

CR22-32L-30K BASED ON LTL REPORT TEST #: 24292

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

Application Reference

Based on CR22-32L-30K Luminaire

0

15

30

250

500

750

1000

1250

1500

90

75

60

45

0°

90°