Lightolier C6AW dimensions Lighting Data, Coefficients of Utilization

	Calculite® Evolution Incandescent Open Wall Washer  C6AW
Page of 2	6" Aperture A19/A21/BT15/MB19 Reflector Trim
Lighting Data

5’
3’	5’
3’
18 f.c.
11 f.c.

Example: With Clear Alzak® and 150W A-21 units, located 3’ from wall and 5’ on center, (matching downlights 5’ on center), the illumination on the wall 3’ down from the ceiling is 18 f.c. beneath and 11 f.c. between fixtures.

Footcandles on Wall From Multiple Units - Clear Alzak® with 150W A21

units 2 feet from wall

ft.				2’			3’			4’
	1		45	42	45	36	23	36	34	12	34
ceiling,
	2		54	51	54	41	30	41	37	18	37
	3		48	47	48	34	30	34	31	17	31
from	4		42	41	42	28	29	28	23	20	23
	5		33	33	34	22	23	22	17	18	17
distance	6		26	26	26	18	18	18	13	14	13
	7		21	21	21	14	14	14	11	11	11
	8		16	17	16	12	12	12	9	9	9
	9	13		13	13	10	10	10	8	8	8

ft.			3’			4’				5’				6’
	1	13	12	13	11	9	11	10	6		10		10	4	10
ceiling,
	2	25	23	25	20	16	20	19	11		19		10	8	18
	3	25	23	25	20	16	20	18		11		18	17	8	17
from	4	22	22	22	18	16	18	16	11		16		15	8	15
	5	21	21	21	16	16	16	14	12		14		13	9	13
distance	6	19	19	19	14	15	14	12	12		12		10	9	10
	7	17	16	17	13	13	13	10	11		10		9	9	9
	8	14	14	14	11	11	11	9	9		9		7	8	7
	9	12	13	12	10	10	10	8	8		8		7	7	7

units 4 feet from wall

ft.			4’			5’			6’			7’			8’
	1	5	5	5	5	4	5	4	3	4	4	2	4	4	2	4
ceiling,
	2	12	11	12	10	8	10	9	6	9	9	5	9	9	3	9
	3	15	14	15	13	11	13	11	8	11	11	6	11	11	5	11
from	4	14	13	14	12	10	12	11	8	11	10	6	10	10	5	10
	5
		13	13	13	11	10	11	10	8	10	9	6	9	9	5	9
distance	6	13	12	13	10	10	10	9	8	9	9	6	9	8	5	8
	7	12	12	12	10	10	10	8	8	8	8	7	8	7	5	7
	8	11	11	11	9	9	9	8	8	8	7	7	7	6	6	6
	9
		10	10	10	8	8	8	7	7	7	6	6	6	5	5	5

Footcandle values are averaged and rounded off and are based on a minimum of five units. For 100W A19, multiply footcandles by 0.6. For 100W BT15, multiply footcandles by

COEFFICIENTS OF UTILIZATION

% Effective Ceiling Cavity Reflectance

			80			70			50			30			10		0
							% Wall Reflectance										0
		50	30	10	50	30	10	50	30	10	50	30	10	50	30	10
																	.52
Ratio	1	.62	.60	.59	.61	.59	.58	.58	.57	.56	.56	.55	.55	.54	.54	.53	.48
																	.45
	2	.57	.55	.53	.56	.54	.52	.54	.53	.51	.53	.51	.50	.51	.50	.49	.42
Cavity
																	.38
	3	.53	.50	.48	.52	.50	.48	.51	.49	.47	.50	.48	.46	.48	.47	.46	.36
Room																	.33
	4	.50	.47	.44	.49	.46	.44	.48	.45	.43	.47	.45	.43	.46	.44	.42	.31
																	.28
	5	.46	.43	.40	.46	.43	.40	.45	.42	.40	.44	.41	.40	.43	.41	.39	.26

20% Floor Cavity Reflectance

For 100W A19, multiply C.U.’s by 1.1

For 100W BT15, multiply C.U.’s by 0.85

candlepower Curve 150W A21

45˚			45˚
25˚			25˚
Down 5˚		5˚	Wall
	Report 0850FR
	Efficiency = 56.1%
Downlight Spacing Ratio = 1.0
Job Information				Type:
Lightolier a Genlyte company				www.lightolier.com

631 Airport Road, Fall River, MA 02720 • (508) 679-8131 • Fax (508) 674-4710 We reserve the right to change details of design, materials and finish.

© 2007 Genlyte Group LLC • C0507