Lightolier 4073U Page 4 of, 175W ED17 MH, Coefficients Of Utilization, Pendant, Application Data

Specification Decorative Pendalyte™  4073U

Page 4 of 4

Application Data

Multiple Units (32W Triple Tube, CFL)
Spacing	Height	Initial	Watts
on	to Lighted	Foot-	Per
Center	Plane	candles	Sq. Ft.
6'	6'	59	1.00
	12'	53
8'	6'	33	0.56
	12'	30
10'	6'	21	0.36
	12'	19

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 = 3.2 32W Triple Tube CFL

Coefficients Of Utilization 32W Triple Tube CFL

% EFFECTIVE CEILING CAVITY REFLECTANCE

80 70 50 30 10 0

% wall reflection

50 30 10 50 30 10 50 30 10 50 30 10 50 30 10 0

room cavity ratio

20% Floor cavity reflectance

16" Pendant

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
		175 Watt = 6.5

Spacing Ratio = 2.8 175W ED17 MH

Coefficients Of Utilization											175W ED17 MH
					% EFFECTIVE CEILING CAVITY REFLECTANCE
		80			70			50			30			10		0
							% wall reflection
	50	30	10	50	30	10	50	30	10	50	30	10	50	30	10	0
room cavity ratio

20% Floor cavity reflectance

Job Information Type:

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