Lightolier 4A28 Page 2 of, Features, Lamping by others, Electrical, Mounting, Labels, Type

Architectural Decorative 4A28

Page 2 of 2

Features

1.Diffusing Reflector: White translucent acrylic, 3/16” thick.

2.Inner Dirt Shield: White translucent acrylic, 1/8” thick.

3.Chassis: Steel, 20 gauge, semi-gloss white powder-coat finish.

4.Suspension: Swivel (central) stem, 3/4” steel tube. Canopy, 7” Dia., fas- tened internally, no exposed hardware. Permits installation on ceilings with slope of up to 45°. Complies with California Code.

5.Lampholder: Multi-wattage, 4-pin, will accept either GX24q-3 or GX24q-4 lamp base.

Lamping (by others)

Compact Fluorescent: Triple Tube, 26, 32, or 42 Watts.
	General Electric		Osram/Sylvania		Philips
26W Triple Tube 4-Pin		(Amalgam) Compact		Fluorescent Lamp
	F26TBX/*/A/4P		CF26DT/E/IN/*		PL-T26W/*/4P
32W Triple Tube 4-Pin		(Amalgam) Compact		Fluorescent Lamp
	F32TBX/*/A/4P		CF32DT/E/IN/*		PL-T32W/*/4P
42W Triple Tube 4-Pin		(Amalgam) Compact		Fluorescent Lamp
	F42QBK/*/A/4P		CF42DT/E/IN/*		PL-T42W/*/4P
*Manufacturers’ color temperature designation.

Electrical

Ballast: Electronic, 2-Lamp HPF, Class P, Programmed Start. Universal Voltage 120/277V, Multi-Wattage 26/32/42W.

4 Lamps	26 Watt		32Watt		42Watt
Voltage	120V	277V	120V	277V	120V	277V
Total Input Watts	110	110	140	140	186	186
Max. Line Current (amps)	1.11	0.48	1.40	0.60	0.60	0.80
Power Factor	>0.98	>0.98	>0.98	>0.98	>0.99	>0.99
Ballast Factor	1.02	1.02	0.96	0.96	0.95	0.95

THD<10% Minimum Starting Temperature: -5°F/-20°C

Mounting

Mounts directly to 4” outlet box, using crossbar hanger, supplied.

Labels

cULus listed suitable for damp locations.

Application Data

28 Inch Diameter
30’ x 30’ x 10’ Space
Luminaire		Spacing: 10’ x 10’
		Susp. Dist. 28”
4 Lamps	26W		32W	42W
	TTT		TTT	TTT
Illum. (FC)	30		41	54
Maint.
Lum.	8/1		8/1	9/1
Ratio
Watts/	1.10		1.36	1.86
Sq. Ft.

Reflectances: 80% Ceiling, 50% Walls, 20% Floor.

Light Loss Factor = .75 (.88 BF x .85)

FC (footcandles) at 30” work plane.

Pendalux Cirrus 28” Diameter Body 4-26/32/42 Triple Tube

CERTIFIED TEST REPORT NO. 4A28442

COMPUTED BY LSI PROGRAM **TEST-LITE**

LIGHTOLIER INDIRECT/DIRECT PENDANT FIXTURE

CAT. #4A28442APBU, HOUSING COVER WITHOUT FLANGE, 28” DIFFUSER 4-42W PLT TRIPLE TUBE PHILIPS LAMPS. LUMEN RATING = 3200 LMS.

2-ADVANCE BALLAST, #ICF-2S42-M2-LD, 120 VAC

			CANDLEPOWER SUMMARY
		ANGLE MEAN CP LUMENS				ANGLE MEAN CP LUMENS
		0	395			90	53
		5	394	38		95	121	199
		10	389			100	433
		15	382	108		105	834	871
		20	372			110	1193
		25	360	166		115	1470	1453
		30	342			120	1722
		35	321	201		125	1912	1704
		40	297			130	2053
		45	272	211		135	2149	1656
		50	247			140	2203
		55	221	198		145	2215	1386
		60	193			150	2192
		65	165	165		155	2178	1005
		70	141			160	2136
		75	116	123		165	1949	546
		80	92			170	1666
		85	71	78		175	1624	159
		90	53			180	1756
			ZONAL LUMENS AND PERCENTAGES
		ZONE	LUMENS	% LAMP			%LUMINAIRE
DATE: OCT. 4, 2000
PREPARED FOR:	0-30		311		2.43		3.03
LIGHTOLIER, FALL RIVER, MA	0-40		512		4.01		5.00
	0-60		920		7.20		8.97
	0-90		1287	10.06			12.54
	40-90		774		6.05		7.55
	60-90		366		2.86		3.57
	90-180		8978	70.15			87.46
	0-180		10266	80.21			100.00

** EFFICIENCY = 80.2% **

TESTED ACCORDING TO IES PROCEDURES. TEST DISTANCE EXCEEDS FIVE

TIMES THE GREATEST LUMINOUS OPENING OF LUMINAIRE.

COEFFICIENTS OF UTILIZATION ZONAL CAVITY METHOD

%EFFECTIVE FLOOR CAVITY REFLECTANCE = .20

		80			70			50			30			10
		50	30	10	50	30	10	50	30	10	50	30	10	50	30	10	0
	1	.68 .65 .63			.60 .57 .54			.44 .42 .41			.29 .28 .27			.15 .15 .14			.08
RATIO	2	.59 .55 .51			.52 .48 .45			.38 .35 .33			.25 .24 .22			.13 .13 .12			.07
	3	.52 .47 .42			.46 .41 .37			.33 .30 .28			.22 .21 .19			.12 .11 .10			.06
CAVITY	4	.46 .40 .36			.40 .35 .32			.30 .26 .24			.20 .18 .16			.10 .10 .09			.05
	6	.36 .30 .26			.32 .27 .23			.24 .20 .17			.16 .14 .12			.08 .07 .07			.04
ROOM	5	.40 .35 .30			.36 .31 .27			.26 .23 .20			.18 .15 .14			.09 .08 .08			.04
	7	.32 .26 .22			.28 .23 .20			.21 .18 .15			.14 .12 .10			.08 .06 .06			.03
	8	.38 .29 .19			.26 .21 .17			.19 .16 .13			.13 .11 .09			.07 .06 .05			.03
	9	.36 .26 .17			.23 .18 .15			.17 .14 .11			.12 .09		.08	.06 .05 .04			.02
	10	.33 .24 .15			.21 .16 .13			.16 .12 .10			.11 .08		.07	.06 .05 .04			.02

DETERMINED IN ACCORDANCE WITH CURRENT IES PUBLISHED PROCEDURES

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.

© 2005 Genlyte Group LLC • B0605