| VR PARABOLIC VRA2G16LS26U |
Page 2 of 2 | 2'x2' RECESSED FLUORESCENT, 4" DEEP, 16 CELL (4x4) PARABOLIC LOUVER |
| STATIC OR AIR SUPPLY/RETURN, IES RP1 FOR NORMAL VDT USE |
PHOTOMETRY
| LER = FP - 42.0 | IW - 57.6 | BF - 90.3 |
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MODEL NO. VRA2G16LS26U Comparative yearly lighting energy cost per 1000 lumens = $5.71 |
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| coefficients of utilization — zonal cavity method | (effective floor cavity reflectance 0.20) |
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| RF |
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| 20 |
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| 20 |
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| 20 |
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| RC |
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| 80 |
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| 50 |
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| 30 |
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| RW |
| 70 | 50 |
| 30 |
| 50 |
| 30 |
| 10 |
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| 50 | 30 | 10 | |
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| 1 |
| 58 | 57 |
| 55 |
| 53 |
| 52 |
| 51 |
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| 51 | 51 | 50 | |
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| ratio | 2 |
| 55 | 52 |
| 49 |
| 49 |
| 47 |
| 46 |
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| 48 | 46 | 45 | |
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| 3 |
| 51 | 47 |
| 44 |
| 45 |
| 43 |
| 41 |
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| 44 | 42 | 40 | ||
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| cavity | 4 |
| 48 | 44 |
| 40 |
| 42 |
| 39 |
| 37 |
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| 41 | 38 | 36 | |
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| 5 |
| 45 | 40 |
| 37 |
| 39 |
| 36 |
| 33 |
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| 38 | 35 | 33 | ||
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| room | 6 |
| 42 | 37 |
| 33 |
| 36 |
| 33 |
| 30 |
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| 35 | 32 | 30 | |
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| 7 |
| 40 | 34 |
| 31 |
| 33 |
| 30 |
| 28 |
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| 32 | 30 | 28 | ||
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| 8 |
| 37 | 32 |
| 28 |
| 31 |
| 28 |
| 25 |
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| 30 | 27 | 25 | |
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| 9 |
| 35 | 29 |
| 26 |
| 29 |
| 26 |
| 23 |
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| 28 | 25 | 23 | |
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| 10 |
| 33 | 27 |
| 24 |
| 27 |
| 24 |
| 22 |
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| 26 | 24 | 22 | |
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| visual comfort probability | (rated lumens per lamp 3150.) |
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| room size |
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| ceiling height |
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| ceiling height |
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| W |
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| L |
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| 8.5 | 10.0 | 13.0 | 16.0 |
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| 8.5 | 10.0 | 13.0 |
| 16.0 |
| 20 |
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| 20 |
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| 95 | 93 | 90 | 82 |
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| 99 | 98 | 98 |
| 95 | |
| 20 |
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| 30 |
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| 96 | 94 | 91 | 85 |
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| 99 | 99 | 98 |
| 96 | |
| 20 |
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| 40 |
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| 96 | 94 | 93 | 87 |
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| 99 | 99 | 98 |
| 96 | |
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| 20 |
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| 60 |
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| 96 | 94 | 93 | 88 |
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| 99 | 99 | 98 |
| 96 |
| 30 |
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| 20 |
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| 95 | 93 | 92 | 86 |
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| 99 | 98 | 98 |
| 95 | |
| 30 |
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| 30 |
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| 96 | 95 | 93 | 87 |
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| 99 | 99 | 98 |
| 96 | |
| 30 |
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| 40 |
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| 96 | 95 | 94 | 89 |
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| 99 | 99 | 98 |
| 96 | |
| 30 |
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| 60 |
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| 96 | 95 | 94 | 90 |
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| 99 | 99 | 98 |
| 96 | |
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| 30 |
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| 80 |
| lengthwise |
| 96 | 94 | 94 | 90 |
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| crosswise | 99 | 99 | 98 |
| 96 |
| 40 |
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| 40 |
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| 96 | 95 | 94 | 90 |
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| 99 | 99 | 98 |
| 96 | |||
| 40 |
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| 20 |
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| 95 | 94 | 92 | 86 |
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| 99 | 99 | 98 |
| 96 | |
| 40 |
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| 30 |
| luminaries |
| 96 | 95 | 93 | 88 |
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| luminaries | 99 | 99 | 98 |
| 96 | |
| 40 |
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| 60 |
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| 96 | 94 | 94 | 91 |
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| 99 | 99 | 98 |
| 96 | |||
| 40 |
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| 80 |
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| 96 | 94 | 94 | 91 |
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| 99 | 99 | 98 |
| 96 | |
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| 40 |
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| 100 |
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| 96 | 94 | 94 | 91 |
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| 99 | 99 | 98 |
| 97 |
| 60 |
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| 30 |
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| 96 | 95 | 93 | 88 |
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| 99 | 99 | 98 |
| 96 | |
| 60 |
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| 40 |
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| 96 | 94 | 94 | 90 |
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| 99 | 99 | 98 |
| 96 | |
| 60 |
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| 60 |
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| 96 | 95 | 94 | 91 |
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| 99 | 99 | 98 |
| 97 | |
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| 60 |
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| 80 |
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| 96 | 95 | 94 | 91 |
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| 99 | 99 | 98 |
| 97 | |
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| 60 |
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| 100 |
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| 96 | 95 | 94 | 91 |
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| 99 | 99 | 98 |
| 97 |
| 100 |
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| 40 |
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| 96 | 94 | 94 | 90 |
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| 99 | 99 | 98 |
| 97 | |
| 100 |
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| 60 |
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| 96 | 95 | 94 | 91 |
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| 99 | 99 | 98 |
| 97 | |
| 100 |
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| 80 |
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| 96 | 95 | 94 | 91 |
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| 99 | 99 | 98 |
| 97 | |
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| 100 |
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| 100 |
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| 96 | 95 | 94 | 91 |
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| 99 | 99 | 99 |
| 97 |
ORDERING INFORMATION
Explanation of Catalog Number. Example: VRA2G16LS26U120SORF
VR |
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| 2 |
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| 16 |
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| S |
| 2 | ||
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6U
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| BODY STYLE: |
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| CEILING TYPE: |
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| LOUVER |
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| LAMP |
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| A=Air Handling |
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| G= Grid |
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| FINISH*: |
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| QUANTITY |
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| S=Static |
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| L=Low |
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| F=Flanged |
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| Iridescence |
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VR: |
| FIXTURE | (overlap) | NUMBER OF | SINGLE “V” |
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4" Deep | WIDTH | Z spline and | CELLS: | (standard) | REFLECTOR |
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| plaster | (4 rows of | P=Low |
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Aluminum |
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| 4 cells) |
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| frame | Iridescence |
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Louver |
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| T=Slot grid or |
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| Specular |
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For Normal |
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VDT Use | ||
concealed | ||
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| T (see options) |
LAMP TYPE/
FIXTURE
LENGTH: 6"U Lamp
T8 OR T12
(Nominal 24")
VOLTAGE: |
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| OPTIONS: | ||
120 or 277 |
| Add appropriate | |||
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| suffix to catalog | |
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| no, ie: (GLR) | |
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| BALLAST TYPE: |
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Lamp Mag. T12 |
| LE | <10THD | ||
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| <20THD | ||
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,
required between fixtures, Order Catalog Number: S2CTRIM (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
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 .57 with a spacing to mounting ratio of 1.2 perpendicular to the lamps. To meet IES RP1 preferred requirements for VDT areas the VCP (visual comfort proba- bility) shall not be less than 96 either crosswise or lengthwise and the maximum average brightness at 65°, 75° and 85° shall not exceed 293, 104, and 77 cande- las per square meter respectively in the 0°, 45°, and 90° horizontal planes. Candelas at Nadir (0°) not to exceed 1737.
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
FINISH: Chassis
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
Job Information |
| Type: |
Lightolier a Genlyte Thomas Company | www.lightolier.com |
Technical Information: (978)
631 Airport Road, Fall River, MA 02720 • (508)
© 2002 Genlyte Thomas Group LLC (Lightolier Division) A0902