| VR PARABOLIC VRA2G9LP317 |
Page 2 of 2 | 2'x2' RECESSED FLUORESCENT, 4" DEEP, 9 CELL (3x3) PARABOLIC LOUVER |
| STATIC OR AIR SUPPLY/RETURN, IES RP1 FOR NORMAL VDT USE |
PHOTOMETRY
| LER = FP - 33.0 | WATTS - 47.0 | BF - 0.90 |
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MODEL NO. VRA2G9LP317 Comparative yearly lighting energy cost per 1000 lumens = $7.27 |
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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 |
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| 30 |
| 50 | 30 |
| 10 |
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| 50 | 30 | 10 | |
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| 1 |
| 71 | 69 |
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| 67 |
| 65 | 63 |
| 62 |
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| 62 | 61 | 60 | |
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| ratio | 2 |
| 67 | 63 |
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| 60 |
| 60 | 58 |
| 56 |
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| 58 | 56 | 55 | |
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| 3 |
| 62 | 58 |
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| 54 |
| 55 | 53 |
| 50 |
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| 54 | 51 | 49 | ||
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| cavity | 4 |
| 58 | 53 |
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| 49 |
| 51 | 48 |
| 45 |
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| 50 | 47 | 44 | |
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| 5 |
| 55 | 48 |
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| 44 |
| 47 | 43 |
| 40 |
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| 45 | 42 | 40 | ||
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| room | 6 |
| 51 | 44 |
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| 40 |
| 43 | 39 |
| 36 |
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| 42 | 39 | 36 | |
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| 7 |
| 47 | 40 |
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| 36 |
| 39 | 35 |
| 33 |
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| 38 | 35 | 32 | ||
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| 8 |
| 44 | 37 |
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| 32 |
| 36 | 32 |
| 29 |
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| 35 | 31 | 29 | |
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| 9 |
| 41 | 33 |
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| 29 |
| 32 | 28 |
| 25 |
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| 31 | 28 | 25 | |
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| 10 |
| 38 | 30 |
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| 26 |
| 29 | 25 |
| 23 |
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| 29 | 25 | 23 | |
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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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| 90 | 89 | 84 | 81 |
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| 98 | 97 | 97 |
| 93 | |
| 20 |
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| 30 |
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| 90 | 91 | 87 | 82 |
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| 98 | 98 | 97 |
| 94 | |
| 20 |
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| 40 |
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| 91 | 91 | 89 | 85 |
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| 98 | 98 | 97 |
| 95 | |
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| 20 |
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| 60 |
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| 91 | 90 | 90 | 86 |
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| 98 | 98 | 97 |
| 95 |
| 30 |
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| 20 |
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| 90 | 89 | 88 | 84 |
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| 98 | 98 | 97 |
| 93 | |
| 30 |
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| 30 |
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| 91 | 90 | 89 | 85 |
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| 98 | 98 | 97 |
| 94 | |
| 30 |
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| 40 |
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| 91 | 90 | 91 | 87 |
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| 98 | 97 | 98 |
| 94 | |
| 30 |
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| 60 |
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| 91 | 91 | 91 | 88 |
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| 99 | 97 | 98 |
| 94 | |
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| 30 |
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| 80 |
| lengthwise |
| 91 | 91 | 90 | 88 |
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| crosswise | 99 | 97 | 98 |
| 94 |
| 40 |
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| 40 |
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| 91 | 91 | 91 | 88 |
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| 99 | 97 | 98 |
| 94 | |||
| 40 |
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| 20 |
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| 91 | 89 | 88 | 85 |
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| 98 | 98 | 97 |
| 93 | |
| 40 |
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| 30 |
| luminaries |
| 91 | 90 | 90 | 86 |
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| luminaries | 98 | 97 | 98 |
| 94 | |
| 40 |
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| 60 |
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| 91 | 91 | 91 | 88 |
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| 99 | 97 | 97 |
| 95 | |||
| 40 |
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| 80 |
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| 91 | 91 | 91 | 88 |
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| 99 | 97 | 97 |
| 95 | |
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| 40 |
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| 100 |
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| 91 | 91 | 91 | 88 |
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| 99 | 98 | 97 |
| 95 |
| 60 |
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| 30 |
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| 91 | 91 | 90 | 86 |
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| 99 | 97 | 98 |
| 94 | |
| 60 |
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| 40 |
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| 91 | 91 | 90 | 88 |
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| 99 | 97 | 97 |
| 95 | |
| 60 |
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| 60 |
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| 91 | 91 | 91 | 88 |
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| 99 | 98 | 97 |
| 95 | |
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| 60 |
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| 80 |
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| 91 | 91 | 91 | 88 |
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| 99 | 98 | 98 |
| 94 | |
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| 60 |
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| 100 |
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| 91 | 91 | 91 | 88 |
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| 99 | 98 | 98 |
| 94 |
| 100 |
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| 40 |
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| 91 | 91 | 91 | 88 |
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| 99 | 97 | 97 |
| 95 | |
| 100 |
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| 60 |
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| 91 | 91 | 91 | 88 |
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| 99 | 98 | 98 |
| 94 | |
| 100 |
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| 80 |
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| 91 | 91 | 91 | 88 |
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| 99 | 98 | 98 |
| 94 | |
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| 100 |
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| 100 |
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| 91 | 91 | 91 | 88 |
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| 99 | 98 | 98 |
| 95 |
ORDERING INFORMATION
Explanation of Catalog Number. Example: VRA2G9LP317120SOGLR
VR |
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| 2 |
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| 9 |
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| P |
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3 17
| BODY STYLE: |
| CEILING TYPE: |
| LOUVER |
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| A=Air Handling |
| G= Grid |
| FINISH*: |
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| S=Static |
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| L=Low |
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VR: |
| FIXTURE | F=Flanged | NUMBER OF | Iridescence | DUAL “V” |
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4" Deep | WIDTH | Z spline and | CELLS: | (standard) | REFLECTOR | |
| plaster frame | (3 rows of | P=Low |
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Aluminum |
| 3 cells) |
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| T=Slot grid or | Iridescence |
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Louver |
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| Specular |
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For Normal |
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VDT Use | concealed T | |
(see options) | ||
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LAMP
QUANTITY
LAMP TYPE/
FIXTURE
LENGTH:
17=T8, 2' Lamp
(Nominal 24")
VOLTAGE: | OPTIONS: | |
120 or 277 | Add appropriate | |
| suffix to catalog | |
| no, ie: (GLR) | |
BALLAST TYPE: | <10THD | |
| <20THD | |
1&2 Lamp Elec. T8 | SO* | HI* |
O3* | H3* | |
LOL T8 Dimming | PS | – |
*Instant Start Standard |
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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: 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
CHICAGO PLENUM: SUFFIX: CP.
SPECIFICATIONS
PERFORMANCE: In an installation of 3 lamp 17W luminaires in a room cavity ratio of 1, reflectance 80% ceiling, 50% wall, 20% floor, the C.U. shall not be less than .69 with a spacing to mounting ratio of 1.4 perpendicular to the lamps. To meet IES RP1 preferred requirements for VDT areas the VCP (visual comfort proba- bility) shall not be less than 91 either crosswise or lengthwise and the maximum average brightness at 65°, 75° and 85° shall not exceed 238, 91 and 0 candelas per square meter respectively in the 0°, 45°, and 90° horizontal planes.
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