Lightolier 8056 specifications 18W Quick Calculator, 26W Quick Calculator, Spacing Ratio =

	Calculite® CFL Open Downlight  8056
Page 2 of 2	7 3/8" Aperture (2) Quad Tube Horizontal Lamp

18W

Quick Calculator

	60	ROOM SURFACE REFLECTANCES:
	50	80% Ceiling; 50% Wall, 20% Floor
INITIAL		1250 Lumens Per Lamp
		RCR= 1 (Rm. Width = 10xMtg. Ht. above work plane)
	40	RCR= 5 (Rm. Width = 2xMtg. Ht. above work plane)
FOOTCANDLES		RCR=10 (Rm. Width = Mtg. Ht. above work plane)
	30
	20
	10

	20	40		60	80	100	120	140
		AREA PER FIXTURE IN SQUARE FEET
4	5	6	7	8	9	10	11	12

CENTER TO CENTER DISTANCE OF FIXTURES IN FEET

This quick calculator chart determines the number and spacing of 2 Lt. 18 watt Quad Tube units with clear or clear iridescent free reflector for any level of illumination.

Spacing Ratio: 1.4

Test Report Number: LRL 889-5A

COMPUTED BY: LIGHTING RESEARCH LABORATORY

PREPARED FOR: LIGHTOLIER INC.

APERTURE: 7 1/2”

REFLECTOR: SPECULAR CLEAR ALZAK

LAMPS: TWO 18W QUAD TUBE LAMPS EACH RATED AT 1250 LUMINES.

										ZONAL
	90		CANDELPOWER SUMMARY						SUMMARY
		Angle		ALONG	22.5	45	67.5	ACROSS	Zone	Avg	Zonal
		0		614	614	614	614	614	Deg0.	C614.P.	Lumens
		5		616	618	641	632	642
		15		629	651	733	697	720	5	630	60
	60	25		625	645	748	690	743	15	689	195
		35		572	599	709	674	703	25	692	320
		45		318	322	413	383	396	35	655	411
		55		24	25	28	27	25	45	371	288
		65		3	3	4	3	3	55	26	23
		75		3	3	3	3	3	65	3	3
		85		2	3	3	2	2	75	3	3
		90		0	0	0	0	0	85	3	3
									90	0	0
									95	0	0
		ZONAL LUMENS AND PERCENTAGES							105	0	0
		Zone		Lumens	% Lamp % Luminaire				115	0	0
0									125	0	0
		0–30		576		23.0	44.0
	30								135	0	0
		0–40		987		39.5	75.5
									145	0	0
		0–60		1298		51.9	99.3
**EFFICIENCY = 52.3%**									155	0	0
		0–90		1307		52.3	100.00
									165	0	0
		90–180		0		.00		.00
									175	0	0
		0–180		1307		52.3	100.00
DATE: August	8, 1989								180	0	0

TESTED ACCORDING TO IES PROCEDURES. TEST DISTANCE EXCEEDS FIVE TIMES

THE GREATEST LUMINOUS OPENING OF LUMINAIRE.

26W

Quick Calculator

	80						ROOM SURFACE REFLECTANCES:
	70						80% Ceiling; 50% Wall, 20% Floor
INITIAL							1800 Lumens Per Lamp
	60						RCR= 1 (Rm. Width = 10xMtg. Ht. above work plane)
	50						RCR= 5 (Rm. Width = 2xMtg. Ht. above work plane)
FOOTCANDLES							RCR=10 (Rm. Width = Mtg. Ht. above work plane)
	40
	30
	20
	10
			25		50	75		100	125	150	175	200
						AREA PER FIXTURE IN SQUARE FEET
	3	4	5	6	7	8	9	10	11	12	13	14

CENTER TO CENTER DISTANCE OF FIXTURES IN FEET

This quick calculator chart determines the number and spacing of 26 watt Quad Tube units with clear reflector, for any level of illumination. Lighting Conversion Factors: Gold, F.C. x 0.9; Black, F.C. x 0.85; Multi-Groove, F.C. x 0.8.

Spacing Ratio = 1.6

Certified Test Report Number: ITL 40604

COMPUTED BY: INDEPENDANT TESTING LABORATORIES, INC

PREPARED FOR: LIGHTOLIER INC.

APERTURE: 7 3/8”

REFLECTOR: SPECULAR CLEAR

LAMPS: TWO 26W 4 PIN QUAD TUBE COMPACT FLUORESCENT RATED AT 1800 LUMENS.

			CANDLEPOWER SUMMARY
ACROSS		Angle	0.0	45.0	90.0	135.0	180.0	Flux
45		0	836	836	836	836	836
ALONG		5	843	889	896	893	839	86
		15	898	1080	1142	1051	864	293
		25	957	1039	1058	992	914	465
	90	35	880	953	938	925	817	571
		45	620	723	690	676	596	415
		55	28	43	39	43	37	81
		65	4	4	4	4	4	5
		75	2	2	2	2	2	2
400		85	0	0	0	0	0	0
	60	90	0	0	0	0	0
		ZONAL LUMENS AND PERCENTAGES
800		Zone		Lumens	% Lamp		% Luminare
		0–30		844	23.5		41.9
		0–40		1415	39.3		70.1
		0–60		2011	55.9		99.7
		0–90		2018	56.0		100.0
		90–180		0	.00		.00
1200		0–180		2018	56.0		100.0
0	30
**EFFICIENCY = 56.0%**

DATE: MAY 28, 1993

TESTED ACCORDING TO IES PROCEDURES. TEST DISTANCE EXCEEDS FIVE TIMES

THE GREATEST LUMINOUS OPENING OF LUMINAIRE.

Coefficients Of Utilization

					% Effective Ceiling Cavity Reflectance
			80			70			50			30			10		0
							%Wall Reflectance
		50	30	10	50	30	10		30	10	50	30	10	50	30	10	0
								50
	1	.58	.56	.55	.57	.55	.54	.54	.53	.53	.52	.52	.51	.51	.50	.49	.49
ROOM	2	.54	.52	.50	.53	.51	.49	.51	.50	.48	.50	.48	.47	.48	.47	.46	.45
	3	.50	.48	.46	.49	.47	.45	.48	.46	.44	.47	.45	.44	.46	.44	.43	.42
CAVITY	4	.46	.44	.41	.46	.43	.41	.45	.42	.41	.44	.42	.40	.43	.41	.40	.39
	5	.43	.40	.38	.43	.40	.38	.42	.39	.37	.41	.39	.37	.40	.38	.37	.36
	6	.40	.37	.34	.40	.37	.34	.39	.36	.34	.38	.36	.34	.37	.35	.34	.33
RATIO	7	.37	.34	.31	.37	.34	.31	.36	.33	.31	.35	.33	.31	.35	.32	.31	.30
	8	.34	.31	.28	.34	.31	.28	.33	.30	.28	.33	.30	.28	.32	.30	.26	.27
	9	.31	.28	.25	.31	.28	.25	.30	.27	.25	.30	.27	.25	.29	.27	.25	.24
	10	.27	.23	.21	.27	.23	.21	.26	.23	.21	.26	.23	.31	.25	.23	.21	.20

20% FLOOR CAVITY REFLECTANCE

Coefficients Of Utilization

					% Effective Ceiling Cavity Reflectance
			80			70			50			30			10		0
							%Wall Reflectance
		50	30	10	50	30	10		30	10	50	30	10	50	30	10	0
								50
	1	.61	.59	.58	.60	.58	.57	.58	.56	.55	.55	.55	.54	.54	.53	.52	.51
ROOM	2	.56	.53	.51	.55	.52	.50	.53	.51	.49	.51	.49	.48	.50	.48	.47	.46
	3	.51	.47	.45	.50	.47	.44	.48	.46	.43	.47	.45	.43	.46	.44	.42	.41
CAVITY	4	.46	.42	.39	.45	.42	.39	.44	.41	.39	.43	.40	.38	.42	.40	.38	.37
	5	.42	.38	.35	.42	.38	.35	.40	.37	.35	.39	.37	.34	.39	.36	.34	.33
	6	.39	.34	.31	.38	.34	.31	.37	.34	.31	.36	.33	.31	.35	.33	.31	.30
RATIO	7	.35	.31	.28	.45	.31	.28	.34	.31	.28	.33	.30	.28	.33	.30	.28	.27
	8	.33	.28	.26	.32	.28	.26	.31	.28	.25	.31	.28	.25	.30	.27	.25	.24
	9	.30	.26	.23	.30	.26	.23	.29	.26	.23	.29	.25	.23	.28	.25	.23	.22
	10	.28	.24	.21	.27	.24	.21	.27	.24	.21	.26	.23	.21	.26	.23	.21	.20

20% FLOOR CAVITY REFLECTANCE

Job Information Type:

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. www.lightolier.com © 2008 Philips Group • C1108

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