Lightolier Silhouette SB Indoor Furnishings User Manual


  Open as PDF
of 2
 
Job Information Type:
"JSQPSU3PBE'BMM3JWFS."tt'BY
We reserve the right to change details of design, materials and finish.
XXXMJHIUPMJFSDPN½1IJMJQT(SPVQt
#
Lighting Systems Silhouette
®
SB
1BHFPG -VNJOPVT*OEJSFDU-JHIU5QFS'PPU/PNJOBM4FDUJPO
Mounting & Joiner Block Accessories
“X” Block with Suspension
SX36WH (white)
SX36AL (aluminum)
Inline block available (SI36WH or SI36AL).
“L”Block with Suspension
SL36WH (white)
SL36AL (aluminum)
“T” Block with Suspension
ST36WH (white)
ST36AL (aluminum)
Power Feed End Set
SE36WH (white)
SE36AL (aluminum)
Cable Assembly
SC36
Sample Run
Fixture Lengths & Mounting Locations
4-Foot Joiner
4-Foot Joiner 8-Foot Joiner
5/8” (1.59cm)
1-1/4” (3.18cm)
Power Feed
End Set
Cable
Assembly
8-Foot Joiner
8-Foot Joiner
96” (243.84cm)
48” (121.92cm)
48” (121.92cm) 96” (243.84cm)
96” (243.84cm)
20’ 1/8” (609.92cm)
8” (20.32cm)
4”
(10.16cm)
4” (10.16cm)
3.4”
(8.64cm)
8”
(20.32cm)
4”
(10.16cm)
4.6” (11.68cm)
4” (10.16cm)
CANDLEPOWER
ZONE 0 22 45 67 90
DEG.
CANDELAS
180 1101 1101 1101 1101 1101
175 1098 1105 1106 1127 1125
165 1077 1132 1205 1308 1305
155 1020 1150 1288 1334 1328
145 906 1120 1171 1180 1191
135 746 970 961 1065 1083
125 602 744 843 947 904
115 407 528 646 771 814
105 227 353 501 530 533
95 42 115 115 120 120
90 12 18 27 43 50
85 9 15 30 48 55
75 9 19 42 63 70
65 9 28 52 72 79
55 18 24 63 80 85
45 26 51 61 80 81
35 36 60 65 73 74
25 32 55 61 68 68
15 28 57 59 84 87
52636446182
02626262626
2,000
700
500
400
200
FOOTCANDLE
20 30 50 70 100
1 2 3 4 5 7 10 20 30 40 50 70 100 200
ROOM AREA IN SQUARE FEET
NUMBER OF FIXTURES REQUIRED
300
1,000
100
COEFFICIENTS OF UTILIZATION
% EFFECTIVE CEILING CAVITY REFLECTANCE
80 70 50
WALL REFLECTANCE
70 50 30 70 50 30 50 30 10
079797969 6969494949
172686562 5957424039
265605556 5248373432
360524751 4541322927
454464047 4035282522
550413443 3530252219
645363039 3126221916
742322636 2823201714
838292333 2520181512
936262031 2318161311
10 33 24 18 28 21 16 15 12 9
20% FLOOR CAVITY REFLECTANCE
ROOM CAVITY RATIO
Suspension Length 12" 18" 24"
Footlamberts Above Fixture 216 147 113
Footlamberts Between Fixtures 24.3 26.5 30.1
Ceiling Brightness Ratio 8.9 5.5 3.8
Reflectances of 80% ceiling, 50% walls and 20% floor.
Light loss factor is .85, Room size is 50' x 50',
Run Spacing 10’. Ceiling Height 9’ to 12’. Values are
taken from the center of the room.
Quick Calculator and Ceiling Brightness
1. Find room area on
vertical axis.
2. Move across chart to
footcandle curve.
3. Move down to
horizontal axis and
read number of
fixtures required.
DISTRIBUTION
Zone
Lumens % Lamp % Luminaire
0-90 312 5.4 6.6
90-180 4444 76.6 93.4
0-180 4756 82.0 100.0
Calculations are for 28 watt T5 lamps, for 54 watt T5 lamps multiply by 1.7
90˚
85˚
95˚
105˚
75˚
65˚
55˚
115˚
125˚
180˚ 175˚ 165˚ 155˚ 145˚ 135˚
0˚ 5˚ 15˚ 25˚ 35˚ 45˚
1250
1000
750
500
250
0
90˚
0˚
Performance
REPORT NO: LRL 299-1B
CAT NO: SB24I281WH
LAMPS: 2F28T5
LUMENS: 2900
EFFICIENCY: 82.0
%
CANDLEPOWER CURVE
 previous