4073u, Specification decorative pendalyte, Page 3 of 4 16" pendant – Lightolier 4073U User Manual
Page 3: Application data, Coefficients of utilization 32w triple tube cfl, Spacing ratio = 2.8 32w triple tube cfl
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Type:
631 Airport Road, Fall River, MA 02720 • (508) 679-8131 • Fax (508) 674-4710
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Specification Decorative Pendalyte
™
4073U
Page 3 of 4
16" Pendant
Application Data
Multiple Units (32W Triple Tube CFL)
Spacing
Height
Initial
Watts
on
to Lighted
Foot-
Per
Center
Plane
candles
Sq. Ft.
6'
6'
64
1.00
12'
55
8'
6'
36
0.56
12'
31
10'
6'
23
0.36
12'
20
Coefficients Of Utilization
150W ED17 MH
% EFFECTIVE CEILING CAVITY REFLECTANCE
80
70
50
30
10
0
50
30
10
50
30 10
50
30 10
50 30
10
50
30 10
0
20% FLOOR CAVITY REFLECTANCE
ROOM
CA
VITY
RA
TIO
% WALL REFLECTION
Coefficients Of Utilization
32W Triple Tube CFL
% EFFECTIVE CEILING CAVITY REFLECTANCE
80
70
50
30
10
0
50 30 10
50
30 10
50
30
10
50
30 10
50 30
10
0
20% FLOOR CAVITY REFLECTANCE
ROOM
CA
VITY
RA
TIO
% WALL REFLECTION
Based on 60" x 60" room with 80% ceiling cavity, 50% wall and 20% floor reflec-
tances. Height is from bottom of fixture to lighted plane.
Spacing Ratio = 2.8
32W Triple Tube CFL
Illuminance (FC) Multipliers
For Compact
For Metal
For Incandescent:
Fluorescent:
Halide:
100 Watt = 0.7
26 Watt = 0.7
100 Watt = 3.5
150 Watt = 1.2
42 Watt = 1.3
150 Watt = 5.2