Lightolier 83W4 manual Lighting Data, Footcandles on Wall

	Lytespan® Track Lighting System  83W4
Page of 2	PowerArc™ Modular T-4 Single Ended Metal Halide Wall Washer

Lighting Data

Footcandles on wall:

4'	6'
	50°
	4'
58 f.c.
51 f.c.	58 f.c.

Lamp Information:

70W CDM T4 Single Ended Metal Halide. Initial Lumens: 6400

CRI: 83

Rated Avg. life: 6,000 - 9,000 hrs.

EXAMPLE: With track located 4' from wall and multiple units spaced 6' on center and aimed 50˚ from horizontal, the illumination on wall 4' from ceiling will be 58 f.c. beneath units and 51 f.c. between units.

Footcandles on Wall

Track 3 Feet From Wall					Single Unit
		3'	0'	1'	2'	3'	4'	5'
				Beam Center
Ceiling	1'		150	125	56	18	8	4
	2'	50°	146	121	67	26	10	4
From	3'		86	75	51	27	12	5
	4'		54	47	36	23	12	5
Distance
	5'		35	32	25	18	10	5
	6'		25	23	19	14	9	5
	7'		18	17	14	11	8	5
	8'		13	12	11	9	7	4
	9'		10	9	8	7	6	4

Track 4 Feet From Wall Single Unit

4'

169	118	169
166	138	166
111	105	111
79	79	79
57	56	57
46	45	46
36	35	36
28	28	28
23	23	23

Multiple Units

	5'			6'
160	67	160	157	39	157
			150	54	150
154	88	154
			90	55	90
96	77	96
			61	49	61
66	63	66
			40	36	40
46	45	46
			32	31	32
37	37	37
			25	25	25
29	29	29
			19	20	19
23	23	23
			16	16	16
19	19	19

Multiple Units

			4'		0'	1'	2'	3'	4'	5'
						Beam Center
Ceiling	1'			66		61	39	17	5	1
	2'			94		84	58	29	12	5
		50°
	3'			72		66	49	30	15	7
From
	4'			49		45	36	25	15	8
Distance	5'			34		31	26	20	13	8
	6'			24		23	19	16	11	7
	7'			18		17	15	13	10	7
	8'			14		14	12	10	8	6
	9'			11		11	10	8	7	5

4'

75	79	75
118	120	118
104	105	104
82	82	82
64	63	64
50	48	50
40	40	41
34	34	34
29	28	29

5'

68	54	68
104	84	104
86	80	86
66	65	66
52	52	52
40	39	40
33	32	33
28	28	28
23	23	24

6'

66		34		66
98		57		98
78		60		78
	58		51		58
44		43		45
34		33		34
27		27		27
24		24		24
20		20		20

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

For 20W: Multiply values by .25	Rated Lamp Life 7,500	- 9,000 Hrs.
For 39W: Multiply values by .50	Rated Lamp Life 9,000	- 10,000 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 • C1106