Lightolier manual Specification Decorative Discus 6700S2UEMNY, Job Information, Type, 8 fc

Specification Decorative Discus™ 6700S2UEMNY

Page 2 of 2 Ceiling or “ADA” Wall Mounted Circline Fluorescent 1 Lt. 22W w/Emergency Battery Back-Up

INITIAL FOOTCANDLES

60	1 Lt. 22W CIRCLINE
	1800 Lumens Per Lamp
50	RCR = 1 (60' x 60' x 8.5' room)
	RCR = 5	(12' x 12' x 8.5' room)
40	RCR = 10	( 6' x 6' x 8.5' room)
	Room Surface Reflectances:
30	80% Ceiling; 50% Wall; 20% Floor
20
10

10		20	30	40	50	60	70	80	90	100
			AREA PER FIXTURE IN SQUARE FEET
3	4	5		6	7	8		9		10

CENTER TO CENTER DISTANCE OF FIXTURES IN FEET

Use quick calculator chart to determine the number and spacing of luminaires for desired level of illumination.

8’

8 fc

9’ 9 fc

Corridor 6700MS22U

6.4fc. average 0.35W/sf

8’ 8”

SPACING RATIO = 1.3

CERTIFIED TEST REPORT NO. 1927FR

COMPUTED BY LSI PROGRAM **TEST-LITE**

LIGHTOLIER SURFACE UTILITY FLUORESCENT, DISCUS

WITH TWIST LOCK DIFFUSER

22W T5 CIRCLINE SYLVANIA LAMP. LUMEN RATING = 1800 LMS.

MAGNETEK BALLAST #C2642UNVSE, 120V

CANDLEPOWER SUMMARY

Date:	June 25, 2002
Prepared for:	Lightolier
	Fall River, MA

TESTED ACCORDING TO IES PROCEDURES. TEST DISTANCE EXCEEDS FIVE TIMES THE GREATEST LUMINOUS OPENING OF LUMINAIRE.

ANGLE MEAN CP		LMS	ANGLE	MEAN CP	LMS
0	247		90	28
5	246	24	95	25	29
10	243		100	25
15	238	68	105	28	30
20	232		110	32
25	222	103	115	37	37
30	212		120	42
35	199	125	125	48	44
40	185		130	54
45	169	131	135	58	45
50	152		140	61
55	133	120	145	64	40
60	114		150	65
65	94	94	155	65	31
70	76		160	65
75	59	64	165	64	18
80	46		170	59
85	35	40	175	57	6
90	28		180	54
ZONAL LUMENS AND PERCENTAGES
ZONE	LUMENS	% LAMP %LUMINAIRE
0-30	193	10.76		18.58
0-40	318	17.69		30.57
0-60	568	31.59		54.57
0-90	765	42.52		73.45
40-90	446	24.83		42.89
60-90	196	10.93		18.89
90-180	276	15.37		26.55
0-180	1042	57.89		100.00

** EFFICIENCY = 57.9% **

COEFFICIENTS OF UTILIZATION

% EFFECTIVE CEILING CAVITY REFLECTANCE

			80		70		50			30		10
						%	WALL REFLECTANCE
		50	30 10	50	30 10		50 30	10	50	30 10	50	30	10	0
	1	.57 .54 .52		.54 .52		.50 .49 .47 .45			.44 .42 .41		.39	.38 .37		.35
RATIO	2	.49 .46 .42		.47 .43		.41 .42 .40 .37			.38 .36 .34		.34	.33 .31		.29
	3	.43 .39 .35		.47 .41		.37 .38 .34 .32			.34 .31 .29		.31	.29 .27		.23
CAVITY	4	.39 .34 .30		.43 .37		.34 .32 33 .30			..30 .27 .25		.27	.25 .23		.21
ROOM	5	.34 .29 .25		.39 .32		.29 .28 30 .26			..27 .24 .21		.24	.22 .20		.18
	7	.27 .22 .19		.33 .26		.21 .22 .24 .20			.22 .18 .16		.20	.17 .15		.14
	6	.30 .25 .22		.36 .29		.24 .24 .26 .23			.24 .21 .18		.22	.19 .17		.16
	8	.24 .20 .16		.30 .23		.18 .19 .21 .18			.20 .16 .14		.18	.15 .13		.13
	9	.22 .17 .14		.28 .21		.16 .17 .19 .16			.18 .14 .12		.16	.13 .11		.10
	10.20 .15 .12			.26 .19 .14 .15 .18 .14					.16 .13 .11		.15 .12 .10			.09

25% FLOOR CAVITY REFLECTANCE

Job Information	Type:
Lightolier a Genlyte Thomas 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.

© 2002 Genlyte Thomas Group LLC (Lightolier Division) • A0902