Lightolier VPA2G29PR232 User Manual

VP PARABOLIC VPA2G29PR232

Page 1 of 2 2'x4' RECESSED FLUORESCENT, 4" DEEP, 18 CELL (2x9) PARABOLIC LOUVER

STATIC OR AIR SUPPLY/RETURN, IES RP1 FOR INTENSE VDT USE (PREFERRED)

MOUNTING METHODS DIMENSIONS

Job Information Type:

Job Name:

Cat. No.:

Lamp(s):

Volts/Ballast:

Lightolier a Genlyte Thomas Company www.lightolier.com

Technical Information: [phone] • Fax [phone]
631 Airport Road, Fall River, MA 02720 • [phone] • Fax [phone]
We reserve the right to change details of design, materials and finish.
© 2002 Genlyte Thomas Group LLC (Lightolier Division)
A0902 SECTION 2/Folio G05-26 REV. A

Features

• Meets IES RP1 for lighting VDT areas with intense use.

• Can provide 49 maintained footcandles at .78 watts per square foot
(8x10 module).

• 70% efficient (T8).

• 1.8 spacing mounting ratio.

• Only 6" deep body.

• One-piece housing.

• Specular low iridescence pre-anodized louver.

• Spring-loaded latches.

• Concealed “T” hinges.

• Louver frame with integral positive light stop.

• Earthquake clips included.

• Louver has protective film dust guard.

• Air closure strips (optional).

• UL-Listed twin knockout access plate.

• Construction to meet Chicago Plenum Code is available.

G

exposed T-grid ceiling.

T

exposed slot T-grid ceiling.

F

concealed Z-spline ceiling.

F

plaster ceiling/flanged.

T

direct concealed two directional
T-grid ceiling. (see options for
splay trim).

drywall kit (see options).

1/4" max.

1-1/2" max.

1-7/8" max.

24"

24"

9/16"

15/16"

or 1"

Type “G”
Fixture

Support
(by others)

24-5/16"

Ceiling

Opening

Drywall
(by others)

15/16"

1/4" max.

1-7/8" max.

24"

13/16"

24-11/16"

24-11/16"

1-1/8" min.

3-3/4" max.

1-1/8" min.
3-3/4" max.

6" (152mm)

Air supply slots
(VPA only)

2"x 2-1/2" access plate
with two K.O.s (7/8" dia.)

6" (152mm)

47-31/32" (1218mm)

39-1/4" (997mm)

24" (610mm)

VP PARABOLIC VPA2G29PR232

Page 2 of 2 2'x4' RECESSED FLUORESCENT, 4" DEEP, 18 CELL (2x9) PARABOLIC LOUVER

STATIC OR AIR SUPPLY/RETURN, IES RP1 FOR INTENSE VDT USE (PREFERRED)

Lightolier a Genlyte Thomas Company www.lightolier.com

Technical Information: [phone] • Fax [phone]
631 Airport Road, Fall River, MA 02720 • [phone] • Fax [phone]
We reserve the right to change details of design, materials and finish.
© 2002 Genlyte Thomas Group LLC (Lightolier Division)
A0902 SECTION 2/Folio G05-26 REV. A

Job Information Type:

OPTIONS & ACCESSORIES

PLASTER FRAME: Catalog Number: PF24.
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: CTZ24 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 STRIP: SUFFIX ACS4 (factory installed).
DRYWALL KIT: Order Catalog Number: FK92X4. Request Folio OA30-10.
CHICAGO PLENUM: SUFFIX: CP.

SPECIFICATIONS

PERFORMANCE: In an installation of 2 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 .76 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 proba­bility) shall not be less than 93 either crosswise or lengthwise and the maximum
average brightness at 55°, 65°, 75° and 85° shall not exceed 834, 0, 0 and 0 can­delas per square meter respectively in the 0°, 45°, and 90° horizontal planes.
Candelas at Nadir (0°) not to exceed 1437.

SPECIFICATIONS (continued)

AIR HANDLING: (VPA only) side air passages for air supply or air return.

Optional side closure strips. Air return is also provided through the lamp com­partment 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 specular anodized vertical grain aluminum reflector
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. VPA2G29PR232SO

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

1787674 727069 696867
2736965 656360 636159
3686258 595653 585552
4635651 545047 524946
5595146 494541 484441
6544641 454037 444036
7514237 413633 403633
8473933 373329 363229
9443530 343026 342926

10 41 33 27 32 27 24 31 27 24

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 92 95 95 87 94 94 92 85

20 30 92 95 95 87 94 94 93 88
20 40 93 95 95 88 95 94 93 88
20 60 93 95 95 88 95 94 93 88

30 20 92 95 95 89 94 94 93 87
30 30 93 95 96 89 95 94 93 89
30 40 93 95 96 89 95 94 93 89
30 60 93 95 96 89 95 94 93 90
30 80 93 95 96 90 95 94 93 90

40 20 92 95 95 91 94 94 93 88
40 30 93 95 96 91 95 94 93 89
40 40 93 95 96 91 95 94 93 90
40 60 93 95 96 91 95 94 93 90
40 80 93 95 96 91 95 94 93 90
40 100 93 96 96 91 95 94 93 90

60 30 93 95 96 91 95 94 93 89
60 40 93 95 96 91 95 94 93 90
60 60 93 96 96 91 95 94 93 90
60 80 93 96 96 91 95 94 93 90
60 100 93 96 95 91 95 94 93 90

100 40 93 95 96 91 95 94 93 90
100 60 93 96 95 91 95 94 93 90
100 80 93 96 95 91 95 94 94 90
100 100 93 96 95 91 95 94 94 90

room cavity ratio

luminaries lengthwise

luminaries crosswise

ORDERING INFORMATION

Explanation of Catalog Number. Example: VPA2G29PR232120SOGLR

LER = FP - 63.8 IW - 61.2 BF - 96.2
Comparative yearly lighting energy cost per 1000 lumens = $3.76

VP

VP:

4" Deep

Pre-anodized

Aluminum

Louver

For Intense

VDT Use

A

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)

29

NUMBER OF

CELLS:

(2 rows of

9 cells)

P

LOUVER
FINISH*:

P=Low

Iridescence
Specular

R

PREMIUM
SPECULAR

REFLECTOR

2

LAMP

QUANTITY

LAMP TYPE/

FIXTURE
LENGTH:

32=T8
34=T12

(Nominal 48")

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.