Cut Sheet

ZR LED Troffer
Open Space
Spacing Lumen Package Initial Delivered Lumens Wattage LPW w/ft
2
Average fc
8 x 8
20L 2,000 15 133 0.23 29
30L 3,470 26 133 0.39 50
40L 4,050 29 140 0.44 58
50L 4,860 36 135 0.54 70
8 x 10
20L 2,000 15 133 0.19 24
30L 3,470 26 133 0.33 41
40L 4,050 29 140 0.37 48
50L 4,860 36 135 0.46 58
10 x 10
20L 2,000 15 133 0.15 19
30L 3,470 26 133 0.26 33
40L 4,050 29 140 0.29 38
50L 4,860 36 135 0.36 46
10 x 12
20L 2,000 15 133 0.12 15
30L 3,470 26 133 0.21 26
40L 4,050 29 140 0.23 30
50L 4,860 36 135 0.29 36
Application Reference
10' 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
1 108 103 99 95
2 98 89 82 76
3 89 78 70 63
4 82 69 60 53
5 75 62 53 46
6 69 56 46 40
7 64 50 41 35
8 60 46 37 31
9 56 42 34 28
10 52 39 31 26
Effective Floor Cavity Reflectance:20%
Average Luminance Table (cd/m
2
)
Vertical Angle
Horizontal Angle
0° 45° 90°
45° 14,592 16,216 17,578
55° 13,318 15,853 18,013
65° 11,782 15,892 19,277
75° 9,486 16,512 21,205
85° 4,901 13,274 15,706
Zonal Lumen Summary
Zone Lumens % Lamp Luminaire
0-30 905 N/A 26.4%
0-40 1,476 N/A 43.2%
0-60 2,609 N/A 76.3%
0-90 3,419 N/A 100%
0-180 3,420 N/A 100%
Reference https://www.creelighting.com/products/indoor/troffers/zr-series for detailed photometric data.
Photometry
ZR2230L83010V5UNV BASED ON TEST REPORT #: STD200105NBBB
Luminaire photometry has been conducted in accordance with IES LM-79-08. IES LM-79-08 specifies the entire luminaire as the source resulting in a luminaire efficiency of 100%.
0˚
20˚
50˚
70˚
250
0
998
499
749
0˚
90˚
90˚
T [phone] F [phone]
T [phone] F [phone]
US: creelighting.com
Canada: creelighting-canada.com