Lightolier 83W7U manual Lighting Data, Footcandles on Wall

	Lytespan® Track Lighting System  83W7U
Page of 2	PowerArc™ Modular ED-17 Metal Halide Wall Washer Unprotected Lamp
Lighting Data	Enclosed-Rated For Unprotected Lamp
Footcandles on wall:

8

53 f.c.

36 f.c.

53 f.c.

EXAMPLE: With track located 4’ from wall and multiple units spaced 8’ on center and aimed 50˚ from horizontal, the illumination on wall 4’ from ceiling will be 53 f.c. beneath units and 36 f.c. between units.

Lamp Information:

70W ED-17 Clear Ceramic Metal Halide Initial Lumens: 6200

CRI: 82

Rated Avg. life: 10,000 hrs. For 100W Multiply by 1.5.

Footcandles on Wall

Track 3 Feet From Wall					Single Unit
		3’	0’	1’	2’	3’	4’	5’
				Beam Center
Ceiling	1'		132	111	62	27	11	6
	2	50˚	118	115	71	35	14	6
	3'		91	88	59	32	14	7
From
	4'		57	53	40	27	14	7
Distance
	5'		35	33	26	19	13	7
	6'		22	21	17	14	11	7
	7'		15	14	12	10	8	7
	8'		11	10	9	8	7	6
	9'		8	8	7	6	5	5

Track 4 Feet From Wall					Single Unit
		4’	0’	1’	2’	3’	4’	5’
				Beam Center
Ceiling	1'		70	63	44	26	13	6
	2'	50˚	69	68	51	33	18	8
	3'		61	63	51	33	19	9
From
	4'		50	50	42	29	18	9
Distance
	5'		35	34	29	22	16	9
	6'		24	23	20	16	13	9
	7		17	16	14	11	9	7
	8'		12	11	10	8	7	6
	9'		8	8	8	6	5	5
	10'		6	6	6	5	4	4
	11'		5	5	4	4	3	3
	12'		3	3	3	3	3	2

4’

156	133	156
149	150	148
122	128	121
89	90	88
66	61	65
48	45	47
36	35	35
28	28	27
23	24	22

6’*

77	53	77
77	67	77
71	66	71
59	59	59
45	46	45
35	33	35
27	24	27
21	18	21
16	14	16
12	11	12
10	9	10
8	7	8

Multiple Units

5’

14594 145

132112 133

10698 107

73	74	74
52	51	53
39	37	40
30	29	31
24	23	24
20	20	20

Multiple Units

8’*

73		26		73
72		36		72
64		38		64
	53		36		53
39		32		39
28		26		28
20		19		20
16		15		16
12		11		12
10		9		10
8		7		8
6		6		6

6’

13652 136

12168 121

95	63	95
62	54	62
40	38	40
28	27	28
20	19	21
15	15	16
12	11	12

10’*

71	12	71
70	17	70
63	19	63
51	18	51
37	19	37
26	18	26
19	15	19
13	12	13
10	10	10
8	8	8
6	6	6
5	5	5

Footcandles are average and rounded off and data for multiple units are based on a minimum of five units.

For 100W: Multiply values by 1.5 Rated Lamp Life 12,500 Hrs.

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.

© 2006 Genlyte Group LLC • D1106