Luminaire Type:
Catalog Number
(autopopulated):
Gotham Architectural Downlighting
Incandescent Cylinders
8” CWU
Up/Down, Wall-Mounted Cylinder
PAR38, R40 Lamp
FEAT URES ORDERING INFORMATION NOTES
OPTICAL SYSTEM
• Microgroove black baffle with white painted flange or specular, semi-diffuse
or highly specular cone with flange that matches cone finish (downlight only).
White painted flange optional.
HOUSING
• Heavy gauge, rolled and welded aluminum housing with no visible seam. Matte
white textured polyester powder paint finish standard.
MOUNTING
• Standard wall mount provided with mounting pattern for direct installation to 4”
square or octagonal junction box.
ELECTRICAL SYSTEM
• Heavy duty medium base porcelain socket with nickel plated screw shell.
• Heat dissipating, extruded aluminum socket housing.
LISTING
• Fixtures are UL Listed for damp locations. Listed and labeled to comply with
Canadian standards
WARRANTY
• 1-year limited warranty. Complete warranty terms located at
www.acuitybrands.com/CustomerResources/Terms_and_conditions.aspx
EXAMPLE: CWU8A AC DWHG
1
Series
CWU8A Wall mount AC Clear
Color/Trim type Finish Options
2
BLC
Black
PC Pewter
(blank) Semi-specular
LD Matte-diffuse
LS Specular
WTC Wheat
GC Gold
2
MB
Microgroove matte
black baffle
TRW White painted flange
Architectural Colors - Powder Paint
DWHG Matte white (standard)
DDB Dark bronze
DBL Black
DNA
Natural aluminum
DWH Gloss white
3
DTG Tennis green
DGC Charcoal grey
DSS Sandstone
ORDERING NOTES
1. Maximum wattages: Q250W PAR38; 300W R40.
2. Not available with finishes.
3. Additional architectural colors available; see www.lithonia.com/archcolors.
CWU-8-OPEN
PAGE 1 OF 3
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2007-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 07/31/13. Specifications subject to change without notice.
8” CWU
Aperture:7
(18.4)
Housing
(21.3)
Housing Height: 25-1/2 (64.8)
D =11-5/8 (29.5)
Wall
Dimensions
Up/Down, Wall-Mounted Cylinder
PAR38, R40 Lamp
DIMENSIONAL DATA
All dimensions are inches (centimeters) unless otherwise noted.
A
A
B
B
C
C
D
D
Mount
A =12-3/4 (32.4)
B =5-1/8 (13.0)
C =3-1/4 (8.3)
Diameter: 8-3/8
-1/4
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2007-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 07/31/13. Specifications subject to change without notice.
CWU-8-OPEN
PAGE 2 OF 3
8” CWU
180° 1198
ρ f 20%
89.6°
1200
1200
180° 1865
ρ f20%
%1
°
2000
1600
1200
1200
1600
2000
Up/Down, Wall-Mounted Cylinder
PAR38, R40 Lamp
PHOTOMETRY
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance: Single Luminaire 30” Above Floor
CWU8A MB
180°
960
720
480
240
240
480
720
960
0°
CWU8A MB
180°
800
400
400
800
0°
From 0° cp. Lumens
15° 943 267
25° 675 313
135°
35° 339 213
45°8566
55°2119
65°2 2
90°
90°
75°1 2
85°1 1
90°1
95°2 3
105° 34
115° 77
125° 42 38
45°
135° 131 101
145° 466 293
155° 776 359
165° 1032 292
175° 1178 112
From 0° cp. Lumens
15° 1560 441
25° 1071 496
135°
35° 489 307
45° 194 150
55° 72 65
65° 16 16
75° 14 15
85° 12 13
90° 11
95° 12 13
105° 14 15
115° 16 16
125° 72 65
45°
135° 194 150
145° 489 307
155° 1071 496
165° 1560 441
175° 1837 174
200W R40/FL LAMP, 0.9 S/MH, 2240 RATED LUMENS, TEST NO. LTL16071
Zone Lumens%lamp
0° 1098
5° 1081 103
300W R40/FL LAMP, 0.8 S/MH, 3650 RATED LUMENS, TEST NO. LTL16072
0° 1865
5° 1837 174
0°-30°683 15.2
0°-40°896 20.0
0°-60°981 21.9
0°-90°966 22.0
90°-180° 1209 27.0
0°-180° 2195 49.0*
*Efficiency
Zone Lumens %lamp
0°-30° 1111 15.2
0°-40° 1418 19.4
0°-60° 1633 22.4
0°-90° 1677 23.0
90°-180° 1677 23.0
0°-180° 3354 46.0*
*Efficiency
ρ c 80% 50% 30%
ρw 50% 30%50% 30% 50% 30%
1494846464544
2464544434342
3444242414140
4424040393938
5393738363736
6373536343634
7353334323432
8333133313230
9322931293129
10 30 27 29 27 29 27
ρ c 80% 50%30%
ρw50% 30% 50% 30%50% 30%
1454335353029
2413833312827
3373530292625
4343228272523
5312926242322
6292625232220
7272423212019
8252222201918
9242120181817
10 22 19 19 17 17 16
50% 10%
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edgediameter edge
8' 36.3 4.8' 18.1 9.2' 3.6
10' 19.5 6.5' 9.8 12.5' 2.0
12' 12.2 8.3' 6.1 15.9' 1.2
14' 8.3 10.0' 4.2 19.2' 0.8
16' 6.0 11.7' 3.0 22.6' 0.6
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edge diameter edge
8' 61.7 4.4' 30.8 8.9' 6.2
10' 33.2 6.0' 16.6 12.2' 3.3
12' 20.7 7.6' 10.3 15.4' 2.1
14' 14.1 9.2' 7.1 18.7' 1.4
16' 10.2 10.8' 5.121.9' 1.0
beam angle 65.6° beam angle
50
beam angle 43.6° beam angle 78.2
0%
PHOTOMETRY NOTES
• Tested to current IES and NEMA standards under stabilized laboratory conditions.
• Actual performance may differ as a result of end-user environment and application.
• Consult factory or IES file for microgroove baffle, black cone or other photometric reports.
CWU-8-OPEN
PAGE 3 OF 3
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2007-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 07/31/13. Specifications subject to change without notice.
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