Lightolier VRA2G12LS232 User Manual
VR PARABOLIC VRA2G12LS232
Page 1 of 2 2'x4' RECESSED FLUORESCENT, 4" DEEP, 12 CELL (2x6) PARABOLIC LOUVER
STATIC OR AIR SUPPLY/RETURN/HEAT EXTRACTION, IES RP1 FOR NORMAL VDT USE
MOUNTING METHOD DIMENSIONS
Job Information Type:
Job Name:
Cat. No.:
Lamp(s):
Volts/Ballast:
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 SECTION 2/Folio G05-60 REV. A
Features
• Meets IES RP1 for lighting VDT areas with normal use.
• Can provide 49 maintained footcandles at .78 watts per square foot
(8x10 module).
• 70.9% efficient (T8).
• 1.8 spacing mounting ratio.
• Only 6" deep body.
• One-piece housing.
• Semi-specular low iridescence pre-anodized louver (standard).
• Spring-loaded latches.
• Concealed “T” hinges.
• Louver frame with integral positive light stop.
• Earthquake clips included.
• Louver has protective film dust guard.
• Air closure strips (optional).
• UL-Listed twin knockout access plate.
• Construction to meet Chicago Plenum Code is available.
G
exposed T-grid ceiling.
T
exposed slot T-grid ceiling.
F
concealed Z-spline ceiling.
F
plaster ceiling/flanged.
T
direct concealed two directional
T-grid ceiling. (see options for
splay trim).
drywall kit (see options).
1/4" max.
1-1/2" max.
1-7/8" max.
24"
24"
15/16"
or 1"
9/16"
Type “G”
Fixture
Support
(by others)
24-5/16"
Ceiling
Opening
Drywall
(by others)
15/16"
1/4" max.
1-7/8" max.
24"
13/16"
24-11/16"
24-11/16"
1-1/8" min.
3-3/4" max.
1-1/8" min.
3-3/4" max.
6" (152mm)
Air supply slots
(VRA only)
2"x 2-1/2" access plate
with two K.O.s (7/8" dia.)
6" (152mm)
47-31/32" (1218mm)
39-1/4" (997mm)
24" (610mm)
VR PARABOLIC VRA2G12LS232
Page 2 of 2 2'x4' RECESSED FLUORESCENT, 4" DEEP, 12 CELL (2x6) PARABOLIC LOUVER
STATIC OR AIR SUPPLY/RETURN/HEAT EXTRACTION, IES RP1 FOR NORMAL VDT USE
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 SECTION 2/Folio G05-60 REV. A
Job Information Type:
OPTIONS & ACCESSORIES
PLASTER FRAME: Catalog Number: PF24.
CONTINUOUS ROW INSTALLATION: For F type fixtures, half-width flanges are
required between fixtures, Order Catalog Number: S2CTRIM (each joint).
SPLAY TRIM: For T ceiling type only. SUFFIX: CTZ24 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 ACS4 (factory installed).
DRYWALL KIT: Order Catalog Number: FK92X4. (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 .77 with a spacing to mounting ratio of 1.8 perpendicular to the lamps. To
meet IES RP1 preferred requirements for VDT areas the VCP (visual comfort probability) shall not be less than 92 either crosswise or lengthwise and the maximum
average brightness at 65°, 75° and 85° shall not exceed 345, 61 and 36 candelas
per square meter respectively in the 0°, 45°, and 90° horizontal planes. Candelas
at Nadir (0°) not to exceed 1510.
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 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 reflector 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.
PHOTOMETRY MODEL NO. VRA2G12LS232SO
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
1797775 737169 706967
2747067 666462 646260
3696459 615754 595653
4645753 555148 535047
5595246 504542 484542
6554741 454037 444037
7514236 403632 393532
8463832 363128 353128
9423328 322724 312724
10 39 30 25 29 24 21 28 24 21
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 89 84 85 94 91 88 84
20 30 92 91 87 84 94 91 90 85
20 40 92 91 89 87 94 91 90 87
20 60 92 91 89 87 94 91 90 87
30 20 92 90 86 85 94 92 89 84
30 30 92 92 89 85 94 92 91 85
30 40 92 92 90 87 94 92 91 87
30 60 92 92 89 87 94 92 91 87
30 80 92 92 90 87 94 92 91 87
40 20 92 90 87 87 94 92 89 86
40 30 92 92 89 86 94 92 91 86
40 40 92 92 89 88 94 92 91 87
40 60 92 92 90 88 94 92 91 88
40 80 92 92 90 88 94 93 91 88
40 100 92 91 90 88 94 93 91 88
60 30 92 92 89 87 94 92 91 86
60 40 92 92 90 88 94 93 91 88
60 60 92 91 90 88 94 93 91 88
60 80 92 92 90 88 94 93 91 88
60 100 92 92 90 88 94 93 91 88
100 40 92 91 90 88 94 93 91 88
100 60 92 91 90 88 94 93 91 88
100 80 92 92 90 88 94 92 91 88
100 100 92 92 90 88 94 92 91 88
room cavity ratio
luminaries lengthwise
luminaries crosswise
ORDERING INFORMATION
Explanation of Catalog Number. Example: VRA2G12LS232120SOGLR
LER = FP - 54.6 IW - 77.6 BF - 98.4
Comparative yearly lighting energy cost per 1000 lumens = $4.39
VR
VR:
4" Deep
Pre-anodized
Aluminum
Louver
For Normal
VDT Use
A
BODY STYLE:
A=Air Handling
S=Static
2
FIXTURE
WIDTH
CEILING TYPE:
G= Grid
(lay-in T bar)
T=Slot grid or
two-directional
concealed T
(see options)
12
NUMBER OF
CELLS:
(2 rows of
6 cells)
LOUVER
FINISH*:
L=Low
Iridescence
Semi-specular
(standard)
P=Low
Iridescence
Specular
S
SINGLE “V”
REFLECTOR
2
LAMP
QUANTITY
LAMP TYPE/
FIXTURE
LENGTH:
32=T8
34=T12
VOLTAGE:
120 or 277
OPTIONS:
Add appropriate
suffix to catalog
no, ie: (GLR)
BALLAST TYPE:
2 Lamp Mag. T12 LE
<20THD <10THD
2 Lamp Elec. T8 SO* H
I*
LOL T8 Dimming PS –
*Instant Start Standard
Other dimming options consult factory.
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