Lightolier VRA1G12LS132 Page 2 of, Options & Accessories, SPECIFICATIONS continued, Photometry

SECTION 2/Folio G05-37 REV. A

	VR PARABOLIC VRA1G12LS132
Page 2 of 2	1'x4' RECESSED FLUORESCENT, 3" DEEP, 12 CELL (1 ROW) PARABOLIC LOUVER
	STATIC OR AIR SUPPLY/RETURN, IES RP1 FOR NORMAL VDT USE

PHOTOMETRY

	LER = FP - 50.1				IW - 30.6				BF - 0.88
MODEL NO. VRA1G12LS132120SO Comparative yearly lighting energy cost per 1000 lumens = $4.80
		coefficients of utilization — zonal cavity method
			RF		20					20					20
			RC		80					50					30
			RW	70	50		30		50	30	10			50	30	10
			1	69	67		65		63	61	60			61	59	58
		ratio	2	64	61		58		58	55	53			56	54	52
			3	60	55		51		52	49	47			51	48	46
		cavity	4	56	50		45		48	44	41			46	43	41
			5	51	45		40		43	39	36			42	38	36
		room	6	47	40		36		39	35	32			38	34	32
			7	44	36		31		35	31	28			34	30	28
			8	40	32		27		31	27	24			30	27	24
			9	37	29		24		28	23	20			27	23	20
			10	34	26		21		25	21	18			24	21	18
		visual comfort probability
			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			95	94	92	88		90	85	81		80
	20			30			96	94	93	90		90	88	82		77
	20			40			96	95	93	92		90	88	83		79
		20		60			96	95	94	92		90	88	84		79
	30			20			95	94	92	87		90	87	85		82
	30			30			96	95	94	89		90	89	85		79
	30			40			96	95	94	91		90	88	86		80
	30			60			97	96	95	91		91	88	86		80
		30		90		lengthwise	97	96	95	91	crosswise	91	88	86		80
	40			40			97	95	94	91		91	88	87		82
	40			20			95	95	93	88		90	87	85		84
	40			30		luminaries	96	95	94	90	luminaries	90	88	86		82
	40			60			97	96	95	91		91	88	87		82
	40			80			97	96	95	91		91	88	87		83
		40		100			97	96	95	91		91	88	87		83
	60			30			96	95	94	91		91	88	86		82
	60			40			97	96	94	92		91	88	87		83
	60			60			97	96	95	92		91	89	87		83
	60			80			97	96	95	92		91	89	87		83
		60		100			97	96	95	92		91	89	87		83
	100			40			97	95	94	92		91	88	87		83
	100			60			97	96	95	92		91	89	87		83
	100			80			97	96	95	92		91	89	87		83
		100		100			97	96	95	92		91	89	87		83

ORDERING INFORMATION

Explanation of Catalog Number. Example:VRA1G12LS132120SOGLR

VR

1

12

S

1

		BODY STYLE:
BLANK = Standard
		A=Air Handling
N = NYC Code
		S=Static
	VR:	FIXTURE
	3" Deep	WIDTH
	Pre-
	anodized
	Aluminum
	Louver
	for normal
	VDT use

CEILING TYPE: G= Grid (lay-in T bar) F=Flanged (overlap)

Z spline and plaster frame

T=Slot grid or two-directional concealed T (see options)

NUMBER OF

CELLS:

1 row of

12 cells

LOUVER

FINISH: L=Low

Iridescence

Semi-specular

(standard)

P=Low

iridescence

specular

	LAMP
	QUANTITY
SINGLE		LAMP/
WHITE		FIXTURE
REFLECTOR		LENGTH:
		32=T8

34=T12 (Nominal 48")

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

*Instant Start Standard

Other dimming options, consult factory.

OPTIONS & ACCESSORIES

ACCESS PLATE: Top Wiring access plate is shipped with fixture as standard. When access plates are required in advance for wiring convenience, specify sepa- rately. Order Catalog Number: ACP CSP.

ELECTRICAL WIRING OPTIONS: Consult factory.

FUSING: Internal fast-blow fusing. SUFFIX: GLR. Internal slow-blow fusing. SUFFIX: GMF.

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

standard. SUFFIX: RF.

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

required between fixtures. Order Catalog Number: 1FCTRIM (each joint).

SPLAY TRIM: For T ceiling type only. SUFFIX: CTZ14 S2 SPLAY TRIM.

AIR CLOSURE STRIP: SUFFIX ACS4 (factory installed).

DRYWALL KIT: Order Catalog Number: FK91X4. Request Folio OA30-10.

CHICAGO PLENUM: SUFFIX: CP.

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 embossed cold rolled steel. Housing is embossed for rigidity with all edges turned-in for safe handling. LOUVER: Pre-anodized aluminum (Coilzak@ or equal).

FINISH: Louver—low iridescence semi-specular anodized vertical grain alu- minum reflector sheet is standard. Reflector—white baked polyester enamel minimum 86% reflectance. Phosphate undercoating. Chassis exterior—black baked polyester enamel.

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.

SPECIFICATIONS

PERFORMANCE: In an installation of 1 lamp 32W luminaires in a room cavity ratio of 1, reflectance 80% ceiling, 50% wall, 20% floor, the C.U. shall not be less than .67 with a spacing to mounting ratio of 1.9 perpendicular to the lamps. To meet IES RP-1 recommended (basic) requirements for VDT areas the VCP (visual comfort probability) shall not be less than 91 either crosswise or lengthwise and the maximum average brightness at 65°, 75° and 85° shall not exceed 837, 82 and 41 candelas per square meter respectively in the 0°, 45° and 90° horizontal planes. Candelas at Nadir (0°) not to exceed 652.

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