Lightolier T5 - Manual (Page 8)

Lighting Systems
1.Housing: Extruded
aluminum. Die-cast end
plate mechanically
attached with no
exposed fasteners.
2.Lamping: One T5 (28
or 54 watt as specified)
fluorescent lamp.
Provided by others.
3.Reflector: Die-formed
specular aluminum
reflector.
4. Shielding: Die-formed
perforated CRS.
5. Diffuser: Translucent
acrylic diffuser.
Luminaire Lengths:
Individual–46 1/2" and
94 3/4". Joiner–48" and 96".
For complete specifica-
tions see individual
specification sheets.
1
3 4
2
5
2 3/4"
4"
4 1/2"
4 1/2"
Coefficients of
Utilization
% Wall Reflectance
70 50 30
0 81 81 81
1 71 67 63
2 64 57 52
3 58 50 44
4 53 44 37
5 48 39 32
6 44 34 28
7 41 31 24
8 38 28 21
9 35 25 19
10 32 23 17
80% Effective Ceiling
Cavity Reflectance
20% Floor Cavity
Reflectance
Room Cavity Ratio
DISTANCE FROM WALL
DIST
ANCE ABOVE FIXTURE
0' 1' 2' 3' 4' 5'
87fc 65fc 37fc 22fc 15fc
2'6"
1'6"
6"
0'
78fc
67fc
196fc
80% ceiling, 50% walls, 11' ceiling
Measurements in “footcandles”
SK 1-Lamp T5 Luminous Indirect
4"
3 3/4"
3 3/8"
SJ 1-Lamp T5 Luminous Indirect
Coefficients of
Utilization
% Wall Reflectance
70 50 30
0 81 81 81
1 74 70 67
2 67 61 57
3 61 54 48
4 56 47 41
5 51 42 35
6 47 37 31
7 43 33 27
8 40 30 24
9 37 27 21
10 34 25 19
80% Effective Ceiling
Cavity Reflectance
20% Floor Cavity
Reflectance
Room Cavity Ratio
0' 1' 2' 3' 4' 5'
97fc 78fc 54fc 35fc 23fc
101fc
89fc
120fc
DISTANCE FROM WALL
DIST
ANCE ABOVE FIXTURE
0' 1' 2' 3' 4' 5'
2'6"
1'6"
6"
0'
80% ceiling, 50% walls, 11' ceiling
Measurements in “footcandles”
1. Housing: Extruded
aluminum. Die-cast end
plate mechanically
attached with no
exposed fasteners.
2. Lamping: One T5 (28 or
54 watt as specified)
fluorescent lamp.
Provided by others.
3. Reflector: Die-formed
specular aluminum
reflector.
4. Shielding: Die-formed
perforated CRS.
5. Diffuser: Translucent
acrylic diffuser.
Luminaire Lengths:
Individual–46 3/4" and
94 3/4". Joiner–48" and 96".
For complete specifica-
tions see individual
specification sheets
81.5% efficiency
1 lamp F28T5
Report No. LRL299-1K
17% Direct
83% Indirect
83.6% efficiency
1 lamp F28T5
Report No. LRL299-1L
9% Direct
91% Indirect
SK Joiner
SJ Joiner
SK
SJ
Wall – SJ, SK
The Silhouette Wall Series is an
elegant solution for wall
mounted indirect lighting.
90˚
0˚
145˚ 155˚ 165˚ 175˚ 175˚ 165˚ 155˚ 145˚ 135˚
35˚ 25˚ 15˚ 5˚ 0˚ 5˚ 15˚ 25˚ 35˚ 45˚
125˚
115˚
105˚
95˚
90˚
85˚
75˚
65˚
55˚
95
90
85
75
65
55
45
135
125
115
105
150
600
450
300
150
180˚
750
600
450
300
150
0
150
90˚
85˚
95˚
105˚
75˚
65˚
55˚
115˚
125˚
135˚ 145˚ 155˚ 165˚ 175˚ 180˚
45˚ 35˚ 25˚ 15˚ 5˚ 0˚
45˚ 0˚
How to Specify
Finish
Series SJ White Aluminum
28 watt SJ-28-WH SJ-28-AL
54 watt SJ-54-WH SJ-54-AL
Please refer to the flap at the back of the
brochure for complete ordering instructions.
How to Specify
Finish
Series SK White Aluminum
28 watt SK-28-WH SK-28-AL
54 watt SK-54-WH SK-54-AL
Please refer to the flap at the back of the
brochure for complete ordering instructions.
Run End Detail
High quality extruded
housing with perforated
steel shielding and acrylic
diffuser are available in
two distinct profiles.
15