Luminaire Type:
Catalog Number
(autopopulated):
Gotham Architectural Downlighting
HID Surface Downlights
10” CHU
Up/Down, Wall-Mounted Cylinder
PAR Metal Halide, 8” Aperture
FEAT URES ORDERING INFORMATION NOTES
OPTICAL SYSTEM
• Self-flanged, semi-specular or matte-diffuse reflector. Patented Bounding Ray™
Optical Principle design (U.S. Patent No. 5,800,050) provides lamp before
lamp image and smooth transition from top of reflector to bottom. Minimum
flange matches reflector finish.
• Patent-pending integrated snoot and optical system minimizes lamp striations
normally associated with PAR lamps and creates visually pleasing scallops on
vertical surfaces.
HOUSING
• Heavy gauge, aluminum housing with weather-sealed upper lens for clean
appearance. Matte white textured polyester powder paint finish standard.
EXAMPLE: CHU10 P3870MHC 8AR 120 DWHG
MOUNTING
• Wall mount must be anchored to structural support. See bracket dimensions to
determine size and construction required.
ELECTRICAL SYSTEM
• Medium-base porcelain socket with nickel-plated screw shell.
• Two (2) removable, pre-wired, 120 or 277V, 50/60Hz electronic ballast modules
standard. Dual switching standard.
LISTING
• Fixtures are listed and labeled to comply with US and Canadian standards.
Suitable for wet locations.
WARRANTY
• 1-year limited warranty. Complete warranty terms located at
www.acuitybrands.com/CustomerResources/Terms_and_conditions.aspx
Series Wattage/Lamp Aperture/Trim color Finish Voltage Mounting
CHU10
Metal halide
P3870M 70W PAR38
P38100M 100W PAR38
Color-correct metal halide
1
P3870MHC 70W PAR38
P38100MHC 100W PAR38
P38150MHC
2
150W PAR38
8AR Clear
8PR Pewter
8WTR Wheat
8BR Black
8WR White
(blank) Semi-specular
LD Matte-diffuse
MVOLT
120
277
(blank) Wall mount SF
3
Options
4
Single fuse
5
QRS
QRSTD
Quartz restrike system
5
QRS with time delay
EC Emergency circuit
Architectural Colors - Powder Paint
6
DWHG Matte white (standard)
DDB Dark bronze
DBL Black
DWH Gloss white
DMB Medium bronze
DNA
Natural aluminum
DSS Sandstone
DGC Charcoal grey
DTG Tennis green
DBR Bright red
DSB Steel blue
ORDERING NOTES
1. Ceramic ARC tube consistent-color lamp. Phillips Mastercolor or GE Constant Color.
2. California Title 20 compliant.
3. Wires supplied by others.
CHU-10-OPEN-PAR
PAGE 1 OF 3
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2010-2014 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 03/25/14. Specifications subject to change without notice.
4. Must specify 120 or 277V.
5. Not available with EC.
6. Additional architectural colors available; see www.lithonia.com/archcolors.
10” CHU
Housing Diameter: 10-1/2 (26.7)
D: 17 (43.2)
Wall Mount Bracket
for
(13.7)
(15.2)
Up/Down, Wall-Mounted Cylinder
PAR Metal Halide, 8” Aperture
DIMENSIONAL DATA
All dimensions are inches (centimeters) unless otherwise noted.
A
22-1/2
22
[57.2]
(57.2)
1
2
B
5-3/8
6
CHU10
Clearance holes
3/8" (.95) anchors
C
D
A: 11-1/2 (29.2)
Aperture: 7-7/8 (20.0)
B: 8-5/16 (21.1)
C: 7-9/16 (19.2)
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2010-2014 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 03/25/14. Specifications subject to change without notice.
CHU-10-OPEN-PAR
PAGE 2 OF 3
10” CHU
0° 20° 40°
2200
4400
%02fp
0° 20° 40°
2800
5600
%02fp
0° 20° 40°
14800
29600
%02fp
Up/Down, Wall-Mounted Cylinder
PAR Metal Halide, 8” Aperture
PHOTOMETRY
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance: Single Luminaire 30” Above Floor
CHU10 P3870M 8AR
140° 160°180°
CHU10 P38100M 8AR
140° 160°180°
120°
100°
80°
60°
120°
100°
80°
60°
CDM70/PAR38/WFL LAMP, 0.6 S/MH, 3700 RATED LUMENS, TEST NO. LTL19268
Ave Lumens
0
5922
5
5504
15
3443
25
2045
35
606
45
54
55
65
75
85
90
Zone Lumens% Lamp
0° - 30°
2369.4
0° - 40°
0° - 60°
0° - 90°
90° - 120°
90° - 130°
90° - 150°
90° - 180°
0° - 180°
2772.2
2841.0
2846.4
30.4
49.9
419.0
2447.3
5293.8
*Efficiency
*71.5
495
962
912
403
59
7
9
3
3
2
2
1
1
1
pc 80% 70%50%
pw 50% 30% 10% 50% 30%10% 50% 30% 10%
32.0
37.5
38.4
38.5
0.4
0.7
5.7
33.1
0
1
2
3
4
5
RCR
6
7
8
9
10
77
77
77
66
68
70
58
61
64
52
55
59
47
50
54
43
46
50
39
42
47
36
39
44
34
37
41
31
34
38
29
32
36
72
72
64
65
57
60
52
55
48
51
44
48
41
44
38
42
35
39
33
37
31
35
61
72
57
62
52
55
49
49
46
45
43
41
40
38
38
35
36
32
34
30
32
28
MP100PAR38/U/FL35/ECO LAMP, 0.5 S/MH, 5800 RATED LUMENS, TEST NO. LTL19269
Ave Lumens
0
7152
5
6508
15
4093
25
1129
35
148
45
29
55
65
75
85
90
Zone Lumens% Lamp
0° - 30°
2220.2
2333.4
2362.9
2363.9
10.8
19.0
139.7
2114.6
4478.5
38.3
40.2
40.7
40.8
36.5
*77.2
0° - 40°
582
0° - 60°
1089
0° - 90°
549
90° - 120°
113
90° - 130°
24
3
1
0
0
0
90° - 150°
5
90° - 180°
0
0° - 180°
0
0
*Efficiency
pc 80% 70%50%
pw 50% 30% 10%50% 30%10% 50%30%10%
0
1
2
0.2
0.3
2.4
3
4
5
RCR
6
7
8
9
10
83
83
83
72
74
76
64
66
70
57
60
64
52
55
60
48
51
56
44
48
52
42
45
49
39
42
46
37
40
44
35
38
42
77
77
69
71
62
65
57
61
53
56
49
53
46
50
43
47
41
44
38
42
37
40
66
77
61
67
57
60
53
54
50
50
47
46
45
43
43
40
41
38
39
36
37
34
61
61
54
55
49
51
Mounting
44
46
43
40
37
35
33
31
29
66
60
55
51
48
45
42
40
38
36
34
Height
41
8.0
38
10.0
35
12.0
32
14.0
30
16.0
29
27
66
59
53
Mounting
49
Height
45
8.0
42
10.0
40
12.0
38
14.0
36
16.0
34
32
50% beam -
Inital FC
Center
Beam Diameter FC Diameter FC
195.8
105.3
65.6
44.8
32.5
Inital FC
Center
BeamDiameter FC Diameter FC
236.4
127.1
79.2
54.1
39.2
31.3°
3.1
4.2
5.3
6.4
7.6
50% beam -
30.6°
3.0
4.1
5.2
6.3
7.4
97.9
52.6
32.8
22.4
16.2
118.2
63.6
39.6
27.0
19.6
10% beam -
64.3°
19.6
6.9
10.5
9.4
11.9
14.5
17.0
10% beam -
51.8°
23.6
5.3
12.7
7.3
9.2
11.2
13.1
6.6
4.5
3.2
7.9
5.4
3.9
CHU10 P38150M 8AR
140° 160°180°
120°
100°
80°
60°
MP150/PAR38/U/830/FL/ECO LAMP, 0.4 S/MH, 8800 RATED LUMENS, TEST NO. LTL19270
pc 80% 70% 50%
pw 50%30% 10% 50% 30%10% 50% 30% 10%
37.8
39.2
39.6
39.6
0.2
0.3
1.7
35.3
0
1
2
3
4
5
RCR
6
7
8
9
10
81
81
72
74
65
68
59
63
55
59
51
55
48
52
45
49
43
47
41
45
39
43
0
37096
5
31200
15
10307
25
2351
35
45
55
65
75
85
90
AveLumens
2595
2923
1134
318
240
69
57
17
20
1
2
2
2
0
2
1
Zone Lumens % Lamp
0° - 30°
6652.7
0° - 40°
6892.4
0° - 60°
6969.2
0° - 90°
6975.7
90° - 120°
29.2
90° - 130°
52.9
90° - 150°
306.5
90° - 180°
6219.3
0° - 180°
13195.0
*Efficiency
*75.0
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.
81
70
62
56
52
48
45
42
40
38
36
66
67
69
59
61
64
54
56
60
50
52
56
46
49
53
43
46
50
41
44
47
39
41
45
37
39
43
35
38
41
57
58
59
52
54
56
53
50
47
45
43
41
40
38
Mounting
48
50
47
45
42
40
39
37
36
Height
45
8.0
43
10.0
40
12.0
38
14.0
37
16.0
35
34
64
64
64
75
75
75
50% beam -
Inital FC
Center
Beam Diameter FC DiameterFC
1226.3
659.5
411.0
280.5
203.5
20.6°
2.0
2.7
3.5
4.2
4.9
613.3
329.8
205.6
140.3
101.8
10% beam -
41.2°
122.6
4.1
66.0
5.6
41.1
7.1
28.1
8.7
20.4
10.2
CHU-10-OPEN-PAR
PAGE 3 OF 3
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2010-2014 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 03/25/14. Specifications subject to change without notice.
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