Lightolier CL-2 Indoor Furnishings User Manual


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Lighting Systems CL-2
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Quick Calculators and Ceiling Brightness
Readings are rounded off based on initial footcandles at center of 20-foot run of luminaires. Room reflectance is 80% ceiling, 50% wall and 20% floor.
2Lt, 2 Fixtures, 2 Walls, 14" (0.36m) from Ceiling
Distance from wall
0' 2' 4' 6' 8' 10' 12' 14'
14" (0.36m)
8'6" (2.59m)
9'6" (2.90m)
10'6" (3.20m)
11'6" (3.51m)
12'6" (3.81m)
2Lt, 1 Fixture, 1 Wall, 14" (0.36m) from Ceiling
Distance from wall
0' 2' 4' 6' 8' 10' 12' 14'
2Lt, 2 Fixtures, 2 Walls, 18" (0.46m) from Ceiling
Distance from wall
0' 2' 4' 6' 8' 10' 12' 14'
18" (0.46m)
2Lt, 2 Fixtures, 1 Wall, 18" (0.46m) from Ceiling
Distance from wall
0' 2' 4' 6' 8' 10' 12' 14'
18" (0.46m)
Distance From Ceiling
Distance From Ceiling
Distance From Ceiling
Distance From Ceiling
Maximum Candle Power: 2048 CD at 125°
Brightness ratio on vertical wall above fixture is:
1:1.8 when mounted 14" (0.36m) from ceiling;
1:1.8 when mounted 18" (0.46m) from ceiling.
0 0.61m 1.22m 1.83m 2.44m 3.05m 3.66m 4.27m
0 0.61m 1.22m 1.83m 2.44m 3.05m 3.66m 4.27m
0 0.61m 1.22m 1.83m 2.44m 3.05m 3.66m 4.27m
0 0.61m 1.22m 1.83m 2.44m 3.05m 3.66m 4.27m
14" (0.36m)
8'6" (2.59m)
9'6" (2.90m)
10'6" (3.20m)
11'6" (3.51m)
12'6" (3.81m)
8'6" (2.59m)
9'6" (2.90m)
10'6" (3.20m)
11'6" (3.51m)
12'6" (3.81m)
8'6" (2.59m)
9'6" (2.90m)
10'6" (3.20m)
11'6" (3.51m)
12'6" (3.81m)
188 60 25 25 60 188
60 60 59 59 60 60
56 57 56 56 57 56
52 53 54 54 53 52
49 50 51 51 50 49
46 48 48 48 48 46
180 51 14 11 8 8
43 40 33 26 21 17
39 36 31 25 21 17
35 33 29 25 20 17
32 30 27 24 20 17
29 28 26 23 20 17
200 75 30 30 75 200
59 60 59 59 60 59
55 56 56 56 56 55
51 53 54 54 53 51
48 50 51 51 50 48
46 47 48 48 47 46
191 66 18 13 9 8
42 39 33 26 21 17
38 35 31 26 21 17
34 32 29 25 21 17
31 30 27 24 20 17
28 28 25 23 20 17
CANDLEPOWER
Zone 0 22 45 67 90 112 135 157 180
Deg.
CANDELAS
180 955 955 955 955 955 955 955 955 955
175 1146 1112 1096 1005 971 855 825 755 745
165 1525 1483 1375 1124 955 677 550 427 392
155 1799 1718 1558 1200 889 486 281 114 103
145 2048 1944 1671 1225 793 289 88 44 34
135 1958 1899 1705 1162 637 103 31 10 0
125 1707 1635 1550 1103 495 42 0 0 0
115 1327 1290 1179 955 310 0 0 0 0
105 904 879 832 625 168 0 0 0 0
95 370 354 312 245 54 0 0 0 0
90 121 110 83 35 0 0 0 0 0
REPORT NO: LRL 896-1D
LAMPS: 2-F32WT8
LUMENS: 2900
EFFICIENCY: 63.7%
Distribution Summary
Zone
Lumens % Barelamp %Luminaire
0-90 0 0 0
90-180 3693 63.7 100.00
0-180 3693 63.7 100.00
35
0
2000
800
1600
400
5
15
25 45
55
65
75
85
90
95
105
115
125
135
571561551541
1200
Performance
CANDLEPOWER CURVE
COEFFICIENTS OF UTILIZATION
% EFFECTIVE CEILING CAVITY REFLECTANCE
80 70 50
% WALL REFLECTANCE
50 30 10 50 30 10 50 30 10
153504845 4341313029
246423939 3734272524
340363335 3128242220
435312730 2724211917
531272327 2320191614
628232024 2017161412
725201721 1715151210
822181519 151313119
920161317 141112108
018141116 1210119 7
20% FLOOR CAVITY REFLECTANCE
ROOM CAVITY RATIO
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