Lightolier DPB2S12LS232 User Manual
DEEPCELL SURFACE DPB2S12LS232
Page 1 of 2 2' x 4' SURFACE FLUORESCENT, 3" TYPE, 12 CELL PARABOLIC LOUVER, 2 LAMP T8 OR T12
LOUVER CONFIGURATION
MOUNTING METHOD
DIMENSIONS
Job Information Type:
Job Name:
Cat. No.:
Lamp(s):
Volts/Ballast:
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 2A/Folio G50-80 Rev. B
Features
• Only 5-1/2" deep.
• 20 gauge steel body.
• 45° mitered corners (body and louver).
• Side-mounted ballast for cooler operation.
• Coilzak
®
aluminum parabolic louver.
• Vertical grain on louver eliminates reflected lamp images on cross
baffle.
• Perfectly uniform four-side black reveal.
• Spring-loaded “roosterhead” latches.
• Reversible louver hinging.
• Door jamb with integral positive light stop.
• Flush end K.O.s for smooth surface appearance (at end of row or
individual).
• Protective film dust guard.
• Louver interchangeable with Prismalyte (PNB)
• Meets NYC Code requirements.
Stem mounting (four per fixture
is required)
48" (1219mm)
2"
(51mm)
1-7/32"
(31mm)
20"
(508mm)
24"
(610mm)
5-7/8"
(149mm)
4"
(102mm)
9/32" mounting hole
3/16" x 5/8" K.O.
7/8" dia. K.O. within
1-7/8" dia. K.O.
12 Cells
24" (610mm)
5-1/2"
(140mm)
2-11/16"
(68mm)
DEEPCELL SURFACE DPB2S12LS232
Page 2 of 2 2' x 4' SURFACE FLUORESCENT, 3" TYPE, 12 CELL PARABOLIC LOUVER, 2 LAMP T8 OR T12
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 2A/Folio G50-80 Rev. B
Job Information Type:
OPTIONS & ACCESSORIES
STEM AND CANOPY SETS: Suspends fixture 6", 12", 18" or 24" from surface.
(Four per fixture is recommended.) Catalog Number: ASC6 CSP (6"), ASC12
CSP (12"), ASC18 CSP (18"), ASC24 CSP (24")
FUSING: Internal fast-blow fusing.
SUFFIX: GLR.
Internal slow-blow fusing.
SUFFIX: GMF.
RADIO INTERFERENCE FILTER: 120 or 277 volt, 50 or 60 Hz. One per fixture
is standard. SUFFIX: RF.
ELECTRICAL/WIRING OPTIONS: Consult factory.
SPECIFICATIONS:
PERFORMANCE: In an installation of 2 lamp 32W luminaires in a room cavity
ratio of 1, with a reflectance of 80% ceiling, 50% wall, 20% floor, the C.U.
shall not be less than .80. To prevent glare the VCP shall be not less than 85
either lengthwise or cross wise (at 100fc level) and the average brightness at
65° shall not exceed 476 footlamberts. To control veiling reflections, luminaire
output in the 30°- 90° zone shall be not less than 73%.
MATERIALS: Chassis parts are die-formed 20 gauge cold rolled steel, studwelded for rigidity with all seams finished smooth.
SPECIFICATIONS (CONTINUED):
LOUVER: pre-anodized aluminum (Coilzak® or equal).
STANDARD FINISH: Louver—low iridescence, semi-specular pre-anodized
vertical grain reflector sheet. Cavity—white baked acrylic enamel minimum
86% reflectance. Phosphate undercoating. Chassis exterior—white baked
acrylic enamel.
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. DPB2S12LS232120SO
coefficients of utilization — zonal cavity method
RF 20 20 20
RC 80 50 30
RW 70 50 30 50 30 10 50 30 10
1838078 767472 737170
2777268 686562 666361
3716459 615754 595653
4655751 555046 534946
5605145 484339 474239
6554539 433834 423734
7504034 393329 373329
8463629 342925 332825
9423225 302521 302521
10 39 29 23 27 22 18 27 22 18
visual comfort probability
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 77 74 75 85 73 70 72 75
20 30 80 77 72 75 77 73 68 71
20 40 83 80 76 75 80 76 71 69
20 60 83 81 79 78 82 79 75 72
30 20 81 76 75 81 78 74 73 74
30 30 83 79 73 72 81 76 69 70
30 40 85 81 76 72 84 79 72 67
30 60 85 81 79 75 85 81 75 71
30 80 85 82 81 77 85 81 77 73
40 20 81 80 77 81 78 77 76 75
40 30 84 82 75 72 82 79 72 70
40 40 86 84 78 72 84 81 74 68
40 60 86 84 80 75 85 83 77 71
40 80 86 84 82 77 85 83 79 74
40 100 86 84 82 77 85 83 79 74
60 30 84 83 77 74 82 80 74 72
60 40 86 85 80 74 84 82 76 70
60 60 86 85 82 76 85 84 79 73
60 80 86 85 83 78 85 84 81 75
60 100 86 85 83 78 85 84 81 75
100 40 86 85 80 76 84 82 77 72
100 60 86 85 82 78 85 84 79 75
100 80 86 85 83 80 86 84 81 78
100 100 86 85 83 81 86 84 81 78
room cavity ratio
luminaries lengthwise
luminaries crosswise
ORDERING INFORMATION Explanation of Catalog Number. Example: DPB2S12LS232120SOGLR
DP
DEEPCELL
PARABOLIC:
Pre-anodized
Aluminum
Louver
B
BODY STYLE:
Surface Box
2
FIXTURE
WIDTH
S
CEILING
TYPE:
S=Surface
12
NUMBER OF
CELLS
LOUVER FINISH*:
L= Low-iridescence semi-specular
(standard)
P= Low-iridescence specular
W=White Paint
S
BALLAST
COVER
2
VOLTAGE:
120 or 277
*Consult factory for availability of louver finishes.
LAMP
QUANTITY:
(By Others)
2=2 Lamp
LAMP/
FIXTURE LENGTH:
32=T88
34=T12
(Nominal 48")
BALLAST TYPE:
1-2 Lamp Mag. T12 LE
<20THD <10THD
1-2 Lamp Elec. T8 SO* H
I*
LOL Dimming T8 PS –
*Instant Start Standard
Other dimming options. Consult factory.
OPTIONS:
Add appropriate suffix
to catalog no., ie: (GLR)
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