Lightolier VRA2G16LV2FT Indoor Furnishings User Manual


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VR PARABOLIC VRA2G16LV2FT
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
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 G05-48 REV. A
Job Information Type:
OPTIONS & ACCESSORIES
PLASTER FRAME: Catalog Number: PF22.
CONTINUOUS ROW INSTALLATION: For F type fixtures, half-width flanges are
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 OA30-10.)
CHICAGO PLENUM: SUFFIX: CP.
SPECIFICATIONS
PERFORMANCE: In an installation of 2 lamp 40W 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 1.8 perpendicular to the lamps. To
meet IES RP1 preferred requirements for VDT areas the VCP (visual comfort proba-
bility) shall not be less than 92 either crosswise or lengthwise and the maximum
average brightness at 65°, 75° and 85° shall not exceed 267, 121 and 72 candelas
per square meter respectively in the 0°, 45°, and 90° horizontal planes. Candelas
at Nadir (0°) not to exceed 1224.
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 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 reflec-
tor 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. VRA2G16LV2FT
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
1595756 545352 525150
2555250 504846 484645
3524845 454341 444240
4484340 423937 413836
5453936 383532 373432
6423632 353129 343129
7393229 312826 312825
8352925 282522 282422
9322622 252219 252119
10 30 23 20 23 19 17 22 19 17
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 90 88 84 74 95 90 87 75
20 30 91 89 86 77 95 92 90 79
20 40 91 90 88 80 95 91 90 82
20 60 91 91 89 82 96 91 90 82
30 20 90 88 87 78 95 91 90 78
30 30 91 90 88 80 96 92 92 82
30 40 91 91 90 82 96 92 92 84
30 60 92 91 91 84 96 92 92 84
30 80 92 91 91 84 96 92 92 84
40 20 90 88 87 80 95 91 90 81
40 30 91 90 89 82 96 92 92 84
40 40 92 91 90 84 96 92 92 86
40 60 92 91 91 85 96 92 92 86
40 80 92 91 91 86 96 92 92 86
40 100 92 91 91 86 96 92 92 86
60 30 92 90 89 82 96 92 92 84
60 40 92 91 90 84 96 92 92 86
60 60 92 91 91 86 96 92 92 86
60 80 92 91 91 86 96 92 92 86
60 100 92 91 91 86 96 92 92 86
100 40 92 91 90 84 96 92 92 86
100 60 92 91 91 86 96 92 92 86
100 80 92 91 91 86 96 92 92 86
100 100 92 91 91 86 96 92 92 86
room cavity ratio
luminaries lengthwise
luminaries crosswise
ORDERING INFORMATION
Explanation of Catalog Number. Example: VRA2G16LV2FT120SBGLR
LER = FP - 39.0 WATTS - 69.0 BF - 0.82
Comparative yearly lighting energy cost per 1000 lumens = $6.15
VR
VR:
4" Deep
Pre-anodized
Aluminum
Louver
For Normal
VDT Use
BODY STYLE:
A=Air Handling
S=Static
2
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)
16
NUMBER OF
CELLS:
(4 rows of
4 cells)
LOUVER
FINISH*:
L=Low
Iridescence
Semi-specular
(standard)
P=Low
Iridescence
Specular
V
SINGLE “V”
REFLECTOR
2
LAMP
QUANTITY
FT
LAMP TYPE/
FIXTURE
LENGTH:
Twin Tube T5
(Nominal 24")
VOLTAGE:
120 or 277
OPTIONS:
Add appropriate
suffix to catalog
no, ie: (GLR)
BALLAST TYPE:
<20THD <10THD
1-2 Lamp Elec. TT5
(40 watt) SB*
IB*
LOL TT5 Dimming PB –
*Instant Start Standard
Other dimming options. Consult factory.
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