Spacing Ratio = 0.6
Date: July 19, 1999
Prepared for
Lightolier, Fall River, MA
Tested According To IES Procedures. Test Distance Exceeds Five
Times The Greatest Luminous Opening Of Luminaire.
Spacing Ratio = 1.0
Date: July 19, 1999
Prepared for
Lightolier, Fall River, MA
Tested According To IES Procedures. Test Distance Exceeds Five
Times The Greatest Luminous Opening Of Luminaire.
Conversion Factors
30W to 75W R20: Clear, C.U.x 1.00; Diffuse/Gold, C.U.x 0.9; Black, C.U.x 0.45
Coefficients of Utilization
% Effective Ceiling Cavity Reflectance
80
70
50
30
10
0
% Wall Reflectance
50 30 10 50 30 10 50 30 10 50 30 10 50 30 10 0
1 .95 .93 .92 .94 .92 .90 .90 .89 .88 .87 .86 .85 .84 .83 .83 .81
2 .90 .87 .85 .88 .86 .84 .86 .84 .82 .83 .82 .80 .81 .80 .79 .77
3 .85 .82 .79 .84 .81 .78 .82 .79 .77 .80 .78 .76 .78 .76 .75 .74
4 .81 .77 .74 .80 .76 .73 .78 .75 .73 .76 .74 .72 .75 .73 .71 .70
5 .76 .72 .69 .75 .71 .69 .74 .71 .68 .73 .70 .68 .71 .69 .67 .66
6 .73 .68 .65 ..72 .68 .65 .71 .67 .64 .70 .66 .64 .68 .66 .64 .63
7 .68 .64 .61 ..68 .64 .61 .67 .63 .61 .66 .63 .60 .65 .62 .60 .59
8 .65 .60 .57 .64 .60 .57 .63 .60 .57 .63 .59 .57 .62 .59 .56 .55
9 .61 .57 .54 .61 .57 .54 .60 .56 .53 .59 .56 .53 .58 .55 .53 .52
10 .58 .53 .50 .57 .53 .50 .57 .53 .50 .56 .52 .50 .56 .52 .50 .49
20% Floor Cavity Reflectance
ROOM CA
VITY RA
TIO
Coefficients of Utilization
% Effective Ceiling Cavity Reflectance
80
70
50
30
10
0
% Wall Reflectance
50 30 10 50 30 10 50 30 10 50 30 10 50 30 10 0
1 1.11 1.09 1.08 1.09 1.07 1.06 1.05 1.04 1.03 1.01 1.01 1.00 .98 .98 .97 .95
2 1.06 1.04 1.02 1.05 1.02 1.01 1.02 1.00 .98 .99 .98 .96 .97 .96 .94 .93
3 1.03 1.00 .97 1.01 .99 .97 .99 .97 .95 .97 .95 .94 .95 .94 .93 .91
4 1.00 .96 .94 .99 .96 .93 .97 .94 .92 .95 .93 .91 .93 .92 .90 .89
5 .96 .93 .90 .95 .92 .90 .94 .91 .89 .92 .90 .88 .91 .89 .88 .87
6 .94 .90 .88 .93 .90 .88 .92 .89 .87 .91 .88 .87 .90 .88 .86 .85
7 .91 .88 .85 .91 .87 .85 .89 .87 .85 .88 .86 .84 .88 .85 .84 .83
8 .88 .85 .83 .88 .85 .82 .87 .84 .82 .86 .84 .82 .86 .83 .81 .81
9 .86 .83 .80 .86 .83 .80 .85 .82 .80 .84 .81 .80 .84 .81 .79 .79
10 .84 .81 .78 .84 .81 .78 .83 .80 .78 .82 .80 .78 .82 .79 .78 .77
20% Floor Cavity Reflectance
Room Cavity Ratio
Conversion Factors
35W, 50W PAR20 NFL: Clear, C.U.x 1.0; Diffuse/Gold, C.U.x 0.95; Black, C.U.x 0.7
60W, 75W PAR16 NFL: Clear, C.U.x 0.90; Diffuse/Gold, C.U.x 0.85; Black, C.U.x 0.6
35W, 50W BR19 SP: Clear, C.U.x 0.85; Diffuse/Gold, C.U.x 0.80; Black, C.U.x 0.6
8
7
6
5
4
3
2
1
Perspec. Drawing Nos.
Calculite Evolution
Calculite® Evolution Incandescent Open Downlight
C4P20D
Page 2 of 2
4 1/2” Aperture PAR20/PAR16/BR19/R20 Reflector Trim
Certified Test Report No. 0839FR
Computed By LSI Program **Test-Lite**
Recessed Open Reflector Downlight
4 1/2" Dia. Aperture, Specular Clear Finish Reflector
75W R20 GE Lamp. Lumen Rating = 650 LMS.
Certified Test Report No. 0838FR
Computed By LSI Program **Test-Lite**
Recessed Open Reflector Downlight
4 1/2" Dia. Aperture, Specular Clear Finish Reflector
50W PAR20 NFL Sylvania Lamp. Lumen Rating = 530 LMS.
Candlepower Summary
Angle
Mean CP Lumens
0 479
5 479 46
10 489
15 508 142
20 500
25 447 199
30 328
35 197 131
40 110
45 25 32
50 3
55 1 1
60 0
65 0 0
70 0
75 0 0
80 0
85 0 0
90 0
Zonal Lumens And Percentages
Zone
Lumens
% Lamp
%Luminaire
0-30 387 59.60 70.37
0-40 518 79.69 94.09
0-60 550 84.69 99.99
0-90 550 84.70 100.00
40-90 32
5.01
5.91
60-90 0
.01
.01
90-180 0
.00
.00
0-180 50 84.70 100.00
** Efficiency = 84.7% **
Candlepower Summary
Angle
Mean CP Lumens
0 1423
5 1186 115
10 1036
15 878 238
20 565
25 259 135
30 84
35 26 23
40 12
45 3 4
50 0
55 0 0
60 0
65 0 0
70 0
75 0 0
80 0
85 0 0
90 0
Zonal Lumens And Percentages
Zone
Lumens
% Lamp
%Luminaire
0-30 448 92.09 94.76
0-40 511 96.49 99.28
0-60 514 97.17 99.98
0-90 515 97.19 100.00
40-90 3
.70
.72
60-90 0
.02
.02
90-180 0
.00
.00
0-180 515
97.19 100.00
** Efficiency = 97.2% **
Lightolier
a Genlyte company
www.lightolier.com
631 Airport Road, Fall River, MA 02720 • (508) 679-8131 • Fax (508) 674-4710
We reserve the right to change details of design, materials and finish.
© 2011 Genlyte Group LLC • C0711
Job Information
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