Lightolier VRA2G16LS26U Indoor Furnishings User Manual


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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
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 G05-50 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: 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 OA30-10.)
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 die-formed code gauge cold rolled steel.
Housing side rails hemmed over and housing ends turned-in for safe handling.
Louver is 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. VRA2G16LS26U
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
1585755 535251 515150
2555249 494746 484645
3514744 454341 444240
4484440 423937 413836
5454037 393633 383533
6423733 363330 353230
7403431 333028 323028
8373228 312825 302725
9352926 292623 282523
10 33 27 24 27 24 22 26 24 22
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 95 93 90 82 99 98 98 95
20 30 96 94 91 85 99 99 98 96
20 40 96 94 93 87 99 99 98 96
20 60 96 94 93 88 99 99 98 96
30 20 95 93 92 86 99 98 98 95
30 30 96 95 93 87 99 99 98 96
30 40 96 95 94 89 99 99 98 96
30 60 96 95 94 90 99 99 98 96
30 80 96 94 94 90 99 99 98 96
40 20 95 94 92 86 99 99 98 96
40 30 96 95 93 88 99 99 98 96
40 40 96 95 94 90 99 99 98 96
40 60 96 94 94 91 99 99 98 96
40 80 96 94 94 91 99 99 98 96
40 100 96 94 94 91 99 99 98 97
60 30 96 95 93 88 99 99 98 96
60 40 96 94 94 90 99 99 98 96
60 60 96 95 94 91 99 99 98 97
60 80 96 95 94 91 99 99 98 97
60 100 96 95 94 91 99 99 98 97
100 40 96 94 94 90 99 99 98 97
100 60 96 95 94 91 99 99 98 97
100 80 96 95 94 91 99 99 98 97
100 100 96 95 94 91 99 99 99 97
room cavity ratio
luminaries lengthwise
luminaries crosswise
ORDERING INFORMATION
Explanation of Catalog Number. Example: VRA2G16LS26U120SORF
LER = FP - 42.0 IW - 57.6 BF - 90.3
Comparative yearly lighting energy cost per 1000 lumens = $5.71
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
S
SINGLE “V”
REFLECTOR
2
LAMP
QUANTITY
6U
LAMP TYPE/
FIXTURE
LENGTH:
6"U Lamp
T8 OR T12
(Nominal 24")
VOLTAGE:
120 or 277
OPTIONS:
Add appropriate
suffix to catalog
no, ie: (GLR)
BALLAST TYPE:
1-2 Lamp Mag. T12 LE
<20THD <
10THD
1-2 Lamp Elec. T8 SO* H
I*
LOL T8 Dimming PS –
*Instant Start Standard
Other dimming options. Consult factory.
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