Lightolier SH Performance, Quick Calculator, Fixture Lengths & Mounting Locations, Sample Run

Lighting Systems Silhouette® SH

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Performance

CANDLEPOWER CURVE

180˚	175˚	165˚	155˚	145˚	135˚
					125˚
					115˚
					105˚
250					95˚
0					90˚
250					85˚
500					75˚
750		0˚			65˚
			90˚
1000					55˚
1250
0˚	5˚	15˚	25˚	35˚	45˚
REPORT NO: LRL 299-1C
CAT NO: SH24I281WH
LAMPS: 2 F28T5
LUMENS: 2900
EFFICIENCY: 54.3%

		CANDLEPOWER							COEFFICIENTS OF UTILIZATION
ZONE	0	22	45	67	90			% EFFECTIVE CEILING CAVITY REFLECTANCE
DEG.		CANDELAS							80			70			50
180	147	147	147	147	147					WALL REFLECTANCE
175	148	147	147	143	143			70	50	30	70	50	30	50	30	10
165	142	135	129	124	122		0	63	63	63	60	60	60	56	56	56
155	130	117	113	114	117	RATIO	1	58	56	54	56	54	52	50	48	47
145	110	97	103	116	120		2	54	50	47	52	48	46	45	43	41
135	80	76	93	109	115	CAVITY	3	50	45	42	48	44	40	41	38	36
125	56	61	86	99	102		4	46	41	37	44	40	36	37	34	32
115	23	35	61	81	87		5	43	37	33	41	36	32	34	31	28
105	14	26	57	80	75	ROOM	6	40	34	30	39	33	29	31	28	25
90	11	34	64	83	46		8	35	28	24	33	27	24	26	23	20
95	7	26	57	77	51		7	37	31	27	36	30	26	28	25	23
85	29	48	77	96	67		9	32	26	22	31	25	21	24	21	18
75	85	98	112	136	137		10	29	23	19	28	22	18	21	18	15
65	137	185	239	201	188				20% FLOOR CAVITY REFLECTANCE
55	217	315	451	486	468
45	395	511	634	749	772					DISTRIBUTION
35	620	758	832	963	1031		Zone			Lumens		% Lamp		% Luminaire
25	823	960	1051	1127	1155		0-90			2666		46.0			84.7
15	979	1057	1166	1246	1248		90-180			482		8.3			15.3
5	1079	1092	1118	1132	1136
							0-180			3148		54.3			100.0
0	1099	1099	1099	1099	1099

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

Quick Calculator

	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

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.

200

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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