| VR PARABOLIC VRA1G8LS132 |
Page 2 of 2 | 1'x4' RECESSED FLUORESCENT, 3" DEEP, 8 CELL (1 ROW) PARABOLIC LOUVER |
| STATIC OR AIR SUPPLY/RETURN, IES RP1 FOR NORMAL VDT USE |
PHOTOMETRY
MODEL NO. VRA1G8LS132120SO | LER = FP - 55.0 |
| IW - 30.7 |
| BF - 0.88 |
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Comparative yearly lighting energy cost per 1000 lumens = $4.36 |
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| coefficients of utilization — zonal cavity method |
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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 |
| 76 | 73 | 71 |
| 69 | 67 |
| 66 |
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| 67 | 65 | 64 | ||
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| ratio | 2 |
| 71 | 66 | 63 |
| 63 | 60 |
| 58 |
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| 61 | 59 | 57 | ||
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| 3 |
| 66 | 60 | 55 |
| 57 | 53 |
| 51 |
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| 55 | 52 | 50 | |||
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| cavity | 4 |
| 61 | 54 | 49 |
| 51 | 47 |
| 44 |
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| 50 | 46 | 44 | ||
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| 5 |
| 56 | 48 | 43 |
| 46 | 42 |
| 38 |
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| 45 | 41 | 38 | |||
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| room | 6 |
| 51 | 43 | 38 |
| 41 | 37 |
| 33 |
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| 40 | 36 | 33 | ||
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| 7 |
| 47 | 39 | 33 |
| 37 | 32 |
| 29 |
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| 36 | 32 | 29 | |||
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| 8 |
| 43 | 34 | 29 |
| 33 | 28 |
| 25 |
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| 32 | 28 | 25 | ||
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| 9 |
| 39 | 30 | 25 |
| 29 | 24 |
| 21 |
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| 29 | 24 | 21 | ||
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| 10 |
| 36 | 27 | 22 |
| 26 | 22 |
| 18 |
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| 26 | 21 | 18 | ||
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| visual comfort probability |
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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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| 88 | 85 | 80 | 85 |
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| 87 | 82 | 80 |
| 79 | |
| 20 |
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| 30 |
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| 89 | 87 | 84 | 81 |
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| 89 | 85 | 80 |
| 77 | |
| 20 |
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| 40 |
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| 89 | 87 | 86 | 84 |
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| 89 | 85 | 83 |
| 78 | |
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| 20 |
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| 60 |
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| 89 | 88 | 87 | 86 |
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| 89 | 85 | 83 |
| 81 |
| 30 |
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| 20 |
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| 90 | 88 | 82 | 84 |
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| 88 | 86 | 81 |
| 79 | |
| 30 |
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| 30 |
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| 91 | 89 | 85 | 80 |
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| 90 | 88 | 81 |
| 77 | |
| 30 |
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| 40 |
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| 91 | 89 | 87 | 83 |
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| 90 | 88 | 84 |
| 78 | |
| 30 |
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| 60 |
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| 91 | 89 | 87 | 85 |
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| 90 | 88 | 84 |
| 80 | |
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| 30 |
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| 80 |
| lengthwise | 91 | 89 | 87 | 84 |
| crosswise |
| 89 | 88 | 84 |
| 81 |
| 40 |
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| 40 |
| 91 | 89 | 88 | 84 |
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| 90 | 88 | 85 |
| 79 | |||
| 40 |
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| 20 |
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| 91 | 88 | 84 | 85 |
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| 88 | 86 | 83 |
| 81 | |
| 40 |
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| 30 |
| luminaries | 91 | 89 | 87 | 81 |
| luminaries |
| 90 | 88 | 83 |
| 78 | |
| 40 |
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| 60 |
| 91 | 89 | 88 | 84 |
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| 89 | 88 | 86 |
| 81 | |||
| 40 |
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| 80 |
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| 91 | 89 | 88 | 84 |
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| 90 | 88 | 86 |
| 81 | |
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| 40 |
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| 100 |
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| 91 | 89 | 88 | 84 |
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| 90 | 88 | 86 |
| 81 |
| 60 |
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| 30 |
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| 91 | 89 | 88 | 83 |
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| 90 | 88 | 83 |
| 80 | |
| 60 |
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| 40 |
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| 91 | 89 | 88 | 85 |
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| 89 | 88 | 85 |
| 81 | |
| 60 |
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| 60 |
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| 91 | 89 | 89 | 86 |
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| 90 | 88 | 86 |
| 83 | |
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| 60 |
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| 80 |
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| 91 | 89 | 89 | 86 |
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| 90 | 88 | 86 |
| 83 | |
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| 60 |
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| 100 |
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| 91 | 89 | 89 | 86 |
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| 90 | 88 | 86 |
| 83 |
| 100 |
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| 40 |
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| 91 | 89 | 89 | 85 |
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| 90 | 88 | 86 |
| 81 | |
| 100 |
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| 60 |
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| 91 | 89 | 89 | 86 |
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| 90 | 88 | 86 |
| 83 | |
| 100 |
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| 80 |
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| 91 | 89 | 89 | 86 |
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| 90 | 88 | 86 |
| 83 | |
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| 100 |
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| 100 |
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| 91 | 89 | 89 | 86 |
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| 90 | 88 | 86 |
| 83 |
ORDERING INFORMATION
Explanation of Catalog Number. Example: VRA1G8LS132120SOGLR
VR
1
8
S
1
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| BODY STYLE: |
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BLANK = Standard |
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N = NYC Code |
| A=Air Handling |
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| S=Static |
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| VR: |
| FIXTURE | ||
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| 3" Deep |
| WIDTH | ||
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| Pre- |
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| anodized |
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| Aluminum |
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| Louver |
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| for normal |
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| VDT use |
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CEILING TYPE: G= Grid
Z spline and plaster frame
T=Slot grid or
NUMBER OF
CELLS:
1 row of
8 cells
LOUVER
FINISH: L=Low
Iridescence
(standard)
P=Low
iridescence
specular
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| LAMP |
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| QUANTITY |
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SINGLE |
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| LAMP/ | |||
WHITE |
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| FIXTURE | |||
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REFLECTOR |
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| LENGTH: | |||
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| 32=T8 |
34=T12 (Nominal 48")
VOLTAGE: |
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| OPTIONS: | |
120 or 277 |
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| 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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1 | Lamp Mag. | T12 | LE | <10THD | ||
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| <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
RADIO INTERFERENCE FILTER: 120 or 277 volt, 50 or 60 Hz. One per fixture
standard. SUFFIX: RF.
CONTINUOUS ROW INSTALLATION: For F type fixtures,
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
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 .73 with a spacing to mounting ratio of 1.9 perpendicular to the lamps. To meet IES RP1 recommended (basic) requirements for VDT areas the VCP (visual comfort probability) shall not be less than 90 either crosswise or lengthwise and the maximum average brightness at 65°, 75° and 85° shall not exceed 837, 82 and
SPECIFICATIONS (continued)
0 candelas per square meter respectively in the 0°, 45° and 90° horizontal planes. Candelas at Nadir (0°) not to exceed 649.
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:
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