Lightolier VRA2G9LS26USO dimensions Options & Accessories, Specifications

SECTION 2/Folio G05-40 REV. A

	VR PARABOLIC VRA2G9LS26U
Page 2 of 2	2'x2' RECESSED FLUORESCENT, 4" DEEP, 9 CELL (3x3) PARABOLIC LOUVER
	AIR SUPPLY/RETURN/HEAT EXTRACTION, IES RP1 FOR NORMAL VDT USE

PHOTOMETRY

	LER = FP - 47.8				IW - 59.2			BF - 93.6
MODEL NO. VRA2G9LS26USO Comparative yearly lighting energy cost per 1000 lumens = $5.02
		coefficients of utilization — zonal cavity method									(effective floor cavity reflectance 0.20)
			RF		20						20					20
		RC			80						50					30
		RW		70	50		30			50	30	10		50		30	10
		ratio	1	64	62		60			58	57	56		56		55	54
			3	55	50		47			48	45	43		47		44	42
			2	59	56		53			53	51	49		51		49	48
		cavity	4	51	46		42			44	40	38		42		40	37
			5	48	41		37			40	36	33		39		36	33
		room	6	44	38		33			36	33	30		35		32	30
			8	38	32		27			30	27	24		30		26	24
			7	42	34		30			33	29	27		32		29	27
			9	36	29		25			28	24	22		28		24	22
			10	34	27		23			26	22	20		26		22	20
		visual comfort probability					(rated lumens per lamp 3150.)
		room size					ceiling height							ceiling height
		W		L	8.5			10.0	13.0	16.0			8.5	10.0	13.0	16.0
		20		20			91	85	77	77			92	90	85	76
	20			30			92	87	81	77			92	90	88	81
	20			40			92	89	84	80			92	90	88	84
	20			60			92	89	86	82			92	91	88	84
		30		20			91	85	81	78			92	91	87	77
	30			30			92	88	84	78			92	91	89	81
	30			40			92	89	87	81			92	91	89	83
	30			60		lengthwise	92	89	88	83		crosswise	92	91	89	84
	40			40			92	89	87	83			92	91	89	85
	30			80			93	90	88	83			92	90	89	84
		40		20			91	85	81	81			92	91	87	79
	40			30			92	88	84	81			92	91	89	83
	40			60		luminaries	93	90	88	85		luminaries	93	90	89	84
	40			80			93	90	88	85			93	90	89	84
	40			100			93	90	88	85			93	90	89	84
		60		30			92	83	84	81			92	91	89	83
	60			40			93	90	87	83			92	90	89	84
	60			60			93	90	88	85			93	90	89	84
	60			80			93	90	88	85			93	90	89	83
	60			100			93	90	88	85			93	90	89	83
		100		40			93	90	87	83			93	90	89	84
	100			60			93	90	88	85			93	90	89	83
	100			80			93	90	88	85			93	90	89	84
		100		100			93	90	88	85			93	90	89	84

ORDERING INFORMATION

Explanation of Catalog Number. Example: VRA2G9LS26U120SOGLR

VR

BODY STYLE:

A=Air Handling

S=Static

VR:

4" Deep

Pre-anodized

Aluminum

Louver

For Normal

VDT Use

2			9			S
	CEILING TYPE:				LOUVER
	G= Grid				FINISH*:
		(lay-in T bar)		L=Low
FIXTURE	F=Flanged		NUMBER OF		Iridescence
						SINGLE “V”
	(overlap)				Semi-specular
WIDTH		Z spline and	CELLS:		(standard)	REFLECTOR
		plaster	(3 rows of	P=Low
	frame		3 cells)		Iridescence
	T=Slot grid or				Specular

two-directional concealed

T (see options)

2 6U

LAMP

QUANTITY

LAMP TYPE/

FIXTURE

LENGTH:

6"U LAMP

T8 OR T12

(Nominal 24")

VOLTAGE:
				OPTIONS:
120 or 277			Add appropriate
			suffix to catalog
	BALLAST TYPE: no, ie: (GLR)
1-2	Lamp Mag. T12		LE		<10THD
		<20THD
1-2	Lamp Elec. T8		SO*			HI*
LOL T8 Dimming			PS			–

*Instant Start Standard

Other dimming options consult factory.

OPTIONS & ACCESSORIES

PLASTER FRAME: Catalog Number: PF22.

CONTINUOUS ROW INSTALLATION: For F type fixtures, half-width flanges are

required between fixtures, Order Catalog Number: S2FCTRIM (each joint).

SPLAY TRIM: For T ceiling type only. SUFFIX: CTZ22 S2 SPLAY TRIM.

RADIO INTERFERENCE FILTER: 120 or 277 volt, 50 or 60 Hz. One per fixture

standard. SUFFIX: RF.

ELECTRICAL WIRING OPTIONS: Consult factory.

AIR CLOSURE STRIPS: SUFFIX ACS2 (factory installed).

DRYWALL KIT: Order Catalog Number: FK92X2. (Request Folio OA30-10.)

CHICAGO PLENUM: SUFFIX: CP.

SPECIFICATIONS

PERFORMANCE: In an installation of 2 lamp 31W luminaires in a room cavity ratio of 1, reflectance 80% ceiling, 50% wall, 20% floor, the C.U. shall not be less than .62 with a spacing to mounting ratio of 1.3 perpendicular to the lamps. To meet IES RP1 preferred requirements for VDT areas the VCP (visual comfort proba- bility) shall not be less than 93 either crosswise or lengthwise and the maximum average brightness at 65°, 75° and 85° shall not exceed 357, 130, and 38 cande- las per square meter respectively in the 0°, 45°, and 90° horizontal planes. Candelas at Nadir (0°) not to exceed 1521.

SPECIFICATIONS (continued)

AIR HANDLING: (VRA only) side air passages for air supply or air return. Optional side closure strips. Air return is also provided through the lamp com- partment through fixture body ends.

MATERIALS: Chassis parts are die-formed code gauge cold rolled steel. Housing side rails hemmed over and housing ends turned-in for safe handling. LOUVER: Pre-anodized aluminum (Coilzak@ or equal).

FINISH: Chassis exterior–black baked polyester enamel. Cavity–white baked polyester enamel minimum 86% reflectance. Phosphate undercoating. Louver–low iridescence semi-specular anodized vertical grain aluminum reflec- tor sheet is standard.

ELECTRICAL: Thermally protected class “P” ballast C.B.M. approved, non PCB. If K.O. is within 3" of ballast, use wire suitable for at least 90°.

LABELS: I.B.E.W./UL and C-UL.

Job Information	Type:
Lightolier a Genlyte Thomas Company	www.lightolier.com

Technical Information: (978) 657-7600 • Fax (978) 658-0595

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