Lightolier 8022WW specifications Lighting Data, Candlepower Distribution Downlight Spacing Ratio

Calculite® CFL Open Wall Washer  8022WW

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Lighting Data

Footcandles on Wall: Multiple 42W Triple Tube Units.

		WALL
WALL	WALL		WALL
	WALL	INSIDE CORNER	DOUBLE
	WASHER	WALL WASHER	WALL WASHER

7 3/8" Aperture Triple Tube Vertical Lamp

		5'
	3'	5'
		3'
15 f.c.
10 f.c.	15 f.c.

2’ From Wall-2’ On Center	2’ From Wall-3’ On Center
2	3

2’ From Wall-4’ On Center

4

EXAMPLE: With multiple clear reflector units located 3' from wall and spaced 5' on center (matching downlights 5' on center), the

	1	42	43	42
Feet	2	46	45	46	Feet
	3	43	41	44
in					in
Ceiling	4	39	37	39	Ceiling
	5	32	32	33
From	6	26	26	26	From
	7	21	21	21
Distance					Distance
	8	17	17	17
	9	14	14	14

1	32	24	32
2	34	26	34
3	31	27	31
4	27	25	27
5	22	21	22
6	18	18	18
7	15	14	15
8	12	12	12
9	10	10	10

	1	30	13	30
Feet	2	31	15	31
	3	28	16	28
in
Ceiling	4	21	18	21
	5	18	16	18
From	6	14	13	14
	7	11	11	11
Distance
	8	9	9	9
	9	8	8	8

illumination on the wall 3' down from ceiling will be 15 f.c. beneath units and 10 f.c. between units.

Footcandle values are averaged and rounded off and are based on a minimum of five units.

Conversion Factors (Clear): 32W, F.C. x 0.75

26W, F.C. x 0.55

3’ From Wall-3’ On Center	3’ From Wall-4’ On Center
3	4

3’ From Wall-5’ On Center

5

3’ From Wall-6’ On Center

6

	1	14	14	14
Feet	2	22	22	22	Feet
	3	21	20	21
in					in
	4	20	19	20
Ceiling					Ceiling
	5	20	18	20
From	6	18	17	18	From
	7	16	16	16
Distance					Distance
	8	14	14	14
	9	13	12	13

1	12	10	12
2	17	15	17
3	16	14	16
4	16	14	16
5	15	14	15
6	14	13	14
7	12	12	12
8	11	11	11
9	10	10	10

	1	11	7		11
Feet	2	16	10		16
	3	15		10		15
in
Ceiling	4	14	10		14
	5	13	11		13
	6	11	10		11
From
	7	10	9		10
Distance
	8	9	9		9
	9	8	8		8

	1	11	5	11
Feet	2	15	7	15
	3	14	7	14
in
	4	13	7	13
Ceiling
	5	12	8	12
	6	10	8	10
From
	7	9	8	9
Distance
	8	8	7	8
	9	7	6	7

Candlepower Distribution Downlight Spacing Ratio 0.9 Coefficients of Utilization

Downlight	Wall Washer
Side	side

ROOM CAVITY RATIO

				% EFFECTIVE CEILING CAVITY REFLECTANCE
		80			70				50			30			10		0
							WALL REFLECTANCE
	50	30	10	50	30	10		50	30	10	50	30	10	50	30	10	0
1	.54	.53	.52	.53	.52	.51		.51	.50	.50	.49	.49	.48	.48	.47	.47	.46
2	.51	.49	.47	.50	.48	.46		.48	.47	.45	.47	.46	.44	.45	.44	.44	.43
3	.47	.45	.43	.47	.44	.43		.45	.43	.42	.44	.43	.41	.43	.42	.41	.40
4	.44	.42	.40	.44	.41	.39		.43	.41	.39	.42	.40	.39	.41	.39	.38	.37
5	.42	.39	.37	.41	.38	.36		.40	.38	.36	.39	.37	.36	.39	.37	.35	.35
6	.39	.36	.34	.39	.36	.34		.38	.36	.34	.37	.35	.34	.37	.35	.33	.33
7	.37	.34	.32	.36	.34	.32		.36	.33	.32	.35	.33	.31	.35	.33	.31	.30
8	.35	.32	.30	.34	.31	.30		.34	.31	.29	.33	.31	.29	.33	.31	.29	.28
9	.32	.30	.28	.32	.29	.28		.32	.29	.27	.31	.29	.27	.31	.29	.27	.27
10	.31	.28	.26	.30	.28	.26		.30	.27	.26	.30	.27	.26	.29	.27	.25	.25
					20% FLOOR CAVITY REFLECTANCE
					Job Information								Type:

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