Job Information
Type:
"JSQPSU3PBE'BMM3JWFS."t t'BY
We reserve the right to change details of design, materials and finish.
XXXMJHIUPMJFSDPN½1IJMJQT(SPVQt #
Lighting Systems
Silhouette
®
SA
1BHFPG
-VNJOPVT*OEJSFDU-JHIU5QFS'PPU /PNJOBM4FDUJPO
Mounting & Joiner Block Accessories
CANDLEPOWER
ZONE 0
22
45 67 90
DEG.
CANDELAS
180
607
607
607
607
607
175
606
613
571
629
631
165
592
629
668
710
705
155
557
626
686
689
682
145
492
595
598
537
528
135
399
496
429
448
461
125
313
363
363
437
434
115
206
236
312
339
346
105
113
171
202
216
217
95
23
47
48
54
57
90
6
9
22
38
43
85
5
10
26
43
46
75
4
16
34
51
53
65
7
20
38
52
58
55
17
32
48
63
63
45
20
33
45
58
61
35
30
34
47
57
59
25
35
33
43
50
52
15
39
36
37
40
41
5
42
41
40
39
38
0
40
40
40
40
40
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
“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 Asse
m
bly
SC36
COEFFICIENTS OF UTILIZATION
% EFFECTIVE CEILING CAVITY REFLECTANCE
80
70
50
WALL REFLECTANCE
70
50
30
70
50
30
50
30
10
0
80
80
80
69
69
69
50
50
50
1
72
69
65
62
60
57
43
41
40
2
66
60
55
57
52
48
37
35
33
3
60
52
47
51
45
41
33
30
27
4
54
46
40
47
40
35
29
25
23
5
50
41
34
43
35
30
25
22
19
6
45
36
30
39
31
26
23
19
16
7
42
32
26
36
28
23
20
17
14
8
38
29
23
33
25
20
18
15
12
9
36
26
20
31
23
18
17
13
11
10 33
24
18
29
21
16
15
12
9
20% FLOOR CAVITY REFLECTANCE
ROOM CA
VITY RA
TIO
Suspension Length
12"
18"
24"
Footlamberts Above Fixture
223 158
121
Footlamberts Between Fixtures
23.5 25.2 27.9
Ceiling Brightness Ratio
9.9
6.3
4.3
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
236
8.1
10.0
90-180
2134
73.6
90.0
0-180
2370
81.7
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˚
750
600
450
300
150
0
90˚
0˚
Perfor
m
ance
REPORT NO:
LRL 299-1J
CAT NO:
SA14I281WH
LAMPS:
1 F28T5
LUMENS:
2900
EFFICIENCY:
81.7%
CANDLEPOWER CURVE
Sa
m
ple Run
Fixture Lengths & Mounting Locations
4-Foot Joiner
4-Foot Joiner
8-Foot Joiner
5/8” (1.59c
m
)
1-1/4” (3.18c
m
)
Power Feed
End Set
Cable
Asse
m
bly
8-Foot Joiner
8-Foot Joiner
96” (243.84c
m
)
48” (121.92c
m
)
48” (121.92c
m
)
96” (243.84c
m
)
96” (243.84c
m
)
20’ 1/8” (609.92c
m
)
8” (20.32c
m
)
4”
(10.16c
m
)
4” (10.16c
m
)
3.4”
(8.64c
m
)
8”
(20.32c
m
)
4”
(10.16c
m
)
4.6” (11.68c
m
)
4” (10.16c
m
)
