Lightolier VRA1G8LS232 User Manual

VR PARABOLIC VRA1G8LS232

Page 1 of 2 1'x4' RECESSED FLUORESCENT, 3" DEEP, 8 CELL (1 ROW) PARABOLIC LOUVER

STATIC OR AIR SUPPLY/RETURN, 2 LAMP T8 OR T12

MOUNTING METHODS DIMENSIONS

Job Information Type:

Job Name:

Cat. No.:

Lamp(s):

Volts/Ballast:

Lightolier a Genlyte Thomas Company www.lightolier.com

Technical Information: [phone] • Fax [phone]
631 Airport Road, Fall River, MA 02720 • [phone] • Fax [phone]
We reserve the right to change details of design, materials and finish.
© 2002 Genlyte Thomas Group LLC (Lightolier Division)
A0902 SECTION 2/Folio G05-36A REV. A

Features

• 67.0% efficient (T8).

• 1.4 spacing mounting ratio.

• Semi-specular low iridescence pre-anodized louver.

•Vertical grain on louver eliminates reflected lamp image on cross
baffle.

• Louver frame with integral positive light stop.

• Spring loaded latches (self centering).

• Reversible louver hinging.

• Louver has protective dust guard.

• Only 6-5/8" deep body.

• Black housing exterior for cooler ballast operating temperature.

•Turned-in edges for safe handling.

• Built-in earthquake clip (patent number 5,072,344).

• UL-Listed twin knockout access plate.

• Air closure strips (optional).

• Construction to meet NYC Code or Chicago Plenum is available.

G

exposed T-grid ceiling.

T

exposed slot T-grid ceiling.

F

plaster ceiling/flanged.

T

direct concealed two directional
T-grid ceiling.

earthquake clip

installed

6-1/2"

(165mm)

12"

(305mm)

12"

Accoustical
material
by others

1-1/2" max.

9/16"

Exposed slot
T-bar by others

Plaster
Opening
12-1/8"

12-11/16"

13/16"

Aluminum
flange trim

Plaster
by others

1-1/8" min
3-3/4" max.

Plaster frame
must be
ordered
separately

earthquake clip

before

installation

1/4" max.

Accoustical
material
by others

12"

15/16" or 1"

Exposed T-bar
by others

1-1/2" max.

12"

3/8"

Accoustical
material
by others

1-7/8"
max.

1/4" max.

VR PARABOLIC VRA1G8LS232

Page 2 of 2 1'x4' RECESSED FLUORESCENT, 3" DEEP, 8 CELL (1 ROW) PARABOLIC LOUVER

STATIC OR AIR SUPPLY/RETURN, 2 LAMP T8 OR T12

Lightolier a Genlyte Thomas Company www.lightolier.com

Technical Information: [phone] • Fax [phone]
631 Airport Road, Fall River, MA 02720 • [phone] • Fax [phone]
We reserve the right to change details of design, materials and finish.
© 2002 Genlyte Thomas Group LLC (Lightolier Division)
A0902 SECTION 2/Folio G05-36A REV. A

Job Information Type:

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 sepa­rately. 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

PERFORMANCE: In an installation of 2 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 .72. To prevent glare the VCP shall be not less than 86 either lengthwise or
crosswise (at 100fc level) and the average brightness at 65° shall not exceed 1984
candelas per square meter. To control veiling reflections, luminaire output in the
30°-90° zone shall be not less than 67.4%.

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 com­partment 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. Cavity—white baked polyester minimum
reflectance 86%. 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.

PHOTOMETRY MODEL NO. VRA1G8LS232120SO

coefficients of utilization — zonal cavity method

RF 20 20 20
RC 80 50 30

RW 70 50 30 50 30 10 50 30 10

1757270 686765 666463
2706562 625957 605856
3655955 565350 545249
4605348 514744 494643
5554742 454138 444037
6514337 413633 403633
7473833 373229 363229
8433429 332825 322825
9393125 292521 292421

10 36 28 22 27 22 19 26 22 19

visual comfort probability

room size ceiling height ceiling height
WL8.5 10.0 13.0 16.0 8.5 10.0 13.0 16.0
20 20 80 72 68 74 74 64 60 67

20 30 82 76 72 69 78 69 62 61
20 40 84 78 76 73 80 72 66 63
20 60 85 79 78 75 80 75 70 66

30 20 84 76 68 71 78 70 62 66
30 30 85 79 72 67 81 74 64 60
30 40 86 81 75 70 83 76 68 62
30 60 87 82 77 73 83 79 71 66
30 80 87 83 79 75 83 79 74 68

40 20 85 79 71 71 80 74 67 67
40 30 86 81 75 67 83 77 68 62
40 40 87 83 78 70 85 79 72 63
40 60 88 84 79 73 85 81 74 67
40 80 88 84 81 75 85 81 77 69
40 100 88 85 82 76 85 81 77 72

60 30 87 82 77 69 83 77 70 65
60 40 88 84 79 72 86 80 74 67
60 60 88 84 81 75 86 82 76 70
60 80 89 85 82 76 86 82 78 72
60 100 89 86 83 78 86 82 78 74

100 40 88 84 80 74 86 80 75 68
100 60 88 84 82 77 86 82 78 72
100 80 89 85 83 79 86 83 80 74
100 100 89 87 84 80 86 83 80 76

room cavity ratio

luminaries lengthwise

luminaries crosswise

ORDERING INFORMATION

Explanation of Catalog Number. Example: VRA1G8LS232120SOGLR

VR

VR:

3" Deep

Pre-

anodized

Aluminum

Louver

for normal

VDT use

BLANK = Standard

N = NYC Code

BODY STYLE:
A=Air Handling
S=Static

1

FIXTURE

WIDTH

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)

8

NUMBER OF

CELLS:

1 row of

8 cells

LOUVER

FINISH:

L=Low

Iridescence
Semi-specular
(standard)

P=Low iridescence

specular

S

SINGLE

WHITE

REFLECTOR

2

LAMP

QUANTITY

LAMP/
FIXTURE
LENGTH:

32=T8

34=T12

(Nominal 48")

VOLTAGE:

120 or 277

BALLAST TYPE:

1-2 Lamp Mag. T12 LE

<20THD <10THD

1-2 Lamp Elec. T8 SO* H

I*

LOL Dimming T8 PS –
*Instant Start Standard

Other dimming options, consult factory.

OPTIONS:

Add appropriate
suffix to catalog

no, ie: (GLR)

VRA1G8LS232SO

LER = FP - 57.0 IW - 59.1 BF - 0.88
Comparative yearly lighting energy cost per 1000 lumens = $4.21