Lightolier Silhouette SE manual Performance, Fixture Lengths & Mounting Locations, Sample Run

Lighting Systems Silhouette® SE

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Performance

CANDLEPOWER CURVE

180˚	175˚	165˚	155˚	145˚	135˚
750
600					125˚
450					115˚
300			0˚		90˚
					105˚
150					95˚
0					90˚
150					85˚
300					75˚
450					65˚
600					55˚
750
0˚	5˚	15˚	25˚	35˚	45˚
REPORT NO: LRL 299-1E
CAT NO: SE24I281WH
LAMPS: 2 F28T5
LUMENS: 2900
EFFICIENCY: 79.3%

		CANDLEPOWER							COEFFICIENTS OF UTILIZATION
ZONE	0	22	45	67	90			% EFFECTIVE CEILING CAVITY REFLECTANCE
DEG.		CANDELAS							80			70			50
180	598	598	598	598	598					WALL REFLECTANCE
175	600	592	588	579	578			70	50	30	70	50	30	50	30	10
165	590	574	590	642	646		0	81	81	81	73	73	73	57	57	57
155	557	557	654	722	740	RATIO	1	74	71	68	66	64	61	50	48	47
145	496	555	673	730	754		2	68	63	58	61	56	53	45	42	40
135	409	515	623	730	760	CAVITY	3	63	56	50	56	50	46	40	37	35
125	330	452	612	796	808		4	57	50	44	51	45	40	36	33	30
115	220	348	648	847	898		5	53	45	39	47	40	35	33	29	26
105	122	312	578	670	698	ROOM	6	49	40	34	44	36	31	30	26	23
90	9	38	47	74	72		8	42	33	27	38	30	25	24	21	18
95	28	171	217	225	225		7	45	36	30	41	33	28	27	23	20
85	17	29	50	66	68		9	39	30	24	35	27	23	22	19	16
75	51	52	62	72	83		10	36	27	22	32	25	20	20	17	14
65	86	83	89	101	94				20% FLOOR CAVITY REFLECTANCE
55	150	149	157	148	177
45	261	254	306	269	243					DISTRIBUTION
35	406	385	426	492	528		Zone			Lumens		% Lamp		% Luminaire
25	538	511	534	578	598
							0-90			1331		22.9			28.9
15	640	623	619	623	624
							90-180			3271		56.4			71.1
5	702	698	700	687	686
							0-180			4602		79.3			100.0
0	709	709	709	709	709

Calculations are for 28 watt T5 lamps, for 54 watt T5 lamps multiply by 1.7

Quick Calculator and Ceiling Brightness

	2,000	FOOTCANDLE					20	30	50	70	100
FEET	1,000
	700
SQUARE
	500
IN
	400
AREA
	300
ROOM	200
	100
	1	2	3	4	5	7	10	20	30	40 50	70	100	200

NUMBER OF FIXTURES REQUIRED

1.Find room area on vertical axis.

2.Move across chart to footcandle curve.

3.Move down to horizontal axis and read number of fixtures required.

Suspension Length	12"	18"	24"
Footlamberts Above Fixture	121	84.3	67.1
Footlamberts Between Fixtures	20.2	25.2	30.4
Ceiling Brightness Ratio	6.0	3.3	2.2

Reflectances of 80% ceiling, 50% walls and 20% floor. Light loss factor is .85, Room size is 50' x 50',

Run Spacing 10’. Ceiling Height 9’ to 12’. Values are taken from the center of the room.

Fixture Lengths & Mounting Locations

4-Foot Joiner		5/8” (1.59cm)
		8-Foot Joiner
	48” (121.92cm)

1-1/4” (3.18cm)

96” (243.84cm)

Sample Run	8-Foot Joiner	4-Foot Joiner	8-Foot Joiner	Cable
Power Feed				Assembly
End Set	96” (243.84cm)	48” (121.92cm)	96” (243.84cm)

20’ 1/8” (609.92cm)

Mounting & Joiner Block Accessories

4.6” (11.68cm)

4” (10.16cm)

8”

(20.32cm)

4” (10.16cm)

8” (20.32cm)
4” (10.16cm)
3.4”	4”
(8.64cm)	(10.16cm)

Cable Assembly	Power Feed End Set	“L”Block with Suspension		“X” Block with Suspension		“T” Block with Suspension
SC36	SE36WH (white)	SL36WH (white)		SX36WH (white)		ST36WH (white)
	SE36AL (aluminum)	SL36AL (aluminum)		SX36AL (aluminum)		ST36AL (aluminum)
Inline block available (SI36WH or SI36AL).
			Job Information		Type:


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