Luminaire Type:
Catalog Number
(autopopulated):
Gotham Architectural Downlighting
International HID Downlights
LGHI
20.3cm (8”) Round Lens
Wet Location
Vertical Metal Halide Lamp
FEAT URES ORDERING INFORMATION NOTES
OPTICAL SYSTEM
• Aluminum upper reflector coated with highly reflective white paint provides high
efficiency and an evenly illuminated aperture appearance.
• Available with tempered prismatic lens (T73), flat fresnel lens (FFL) or flat opal
lens (FOL).
• Regressed white door (RW) or stepped black baffle (SB) are available with white
painted flange provided.
• Door is retained by self-aligning, torsion support springs, preventing gaps
between door and ceiling.
MECHANICAL SYSTEM
• Galvanized steel junction box is mounted to reflector with hinge mechanism.
Knockouts provided for power supply feed. No. 12 AWG conductors, rated for
90°C.
• Three (3) swinggate brackets allow for installation from below the ceiling.
Suitable for ceiling thickness ranging from 1.59cm (5/8”) to 2.54cm (1”).
ELECTRICAL SYSTEM
• Die-cast aluminum lampholder housing.
EXAMPLE: LGHI 100M 8RW T73 220
Series Wattage/Lamp
LGHI
Color-Corrected Metal Halide
70MHC
100MHC
1
Aperture/Trim color Lens type Voltage Options
8RW Regressed white door
8SB Stepped black baffle
T73 Tempered prismatic lens
FFL Flat fresnel lens
FOL Flat opal lens
150MHC
• Medium-base porcelain socket with nickelplated screw shell.
• Prewired electronic ballast standard. Eurostyle terminal block included for
power supply and ground connections required for CE.
LISTING
• 120V and 277V fixtures are UL Listed, Non-IC recessed mounting and wet
locations. 220V and 240V fixtures are CE certified and rated IP44.
WARRANTY
• 1-year limited warranty. Complete warranty terms located at
www.acuitybrands.com/CustomerResources/Terms_and_conditions.aspx
120
220
240
277
TRDA Tamper-resistant door assembly
SF Single fuse
WLP Lamp (shipped separately)
GSKT Foam gasketing, ships uninstalled
ORDERING NOTES
1. Recommended for use with coated lamps.
LGHI-8-ROUND-LENS
PAGE 1 OF 3
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2009-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 09/03/13. Specifications subject to change without notice.
LGHI
Overlap Trim: 23.5 (9-1/4)
(
DETSIL LU
(9.0)
DEIFITREC EC
20.3cm (8”) Round Lens
Wet Location, Vertical Metal Halide Lamp
DIMENSIONAL DATA
All dimensions are inches (centimeters) unless otherwise noted.
39.5
(15-9/16)
23.5
34.4
(13-9/16)
22.9
(9-1/4)
25.7
10-1/8)
25.1
(9-7/8)
Aperture: 20.1 (7-7/8)
Ceiling Opening: 21.3 (8-3/8)
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2009-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 09/03/13. Specifications subject to change without notice.
LGHI-8-ROUND-LENS
PAGE 2 OF 3
LGHI
0° 20°
1000
1500
2000
2500
%02fp
0° 20°
1200
1800
2400
3000
%02fp
10.1
20.3cm (8”) Round Lens
Wet Location, Vertical Metal Halide Lamp
PHOTOMETRY
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance: Single Luminaire 30” Above Floor
LGHI 100M 8RW T73
180°
500
LGHI 100M 8RW FFL
180°
600
90°
80°
60°
40°
90°
80°
60°
40°
MH100/C/U/MED LAMP, 1.0 S/MH, 8500 RATED LUMENS, TEST NO. LTL14368
pc 80%70% 50%
pw 50%30% 10%50% 30%10% 50%30% 10%
23.3
34.3
47.7
52.3
0.0
52.3
62
62
62
0
56
1
2
3
4
5
6
7
8
9
10
54
51
48
46
42
42
38
38
34
35
31
32
28
30
26
28
24
26
22
61
53
55
45
50
40
45
35
41
31
37
28
34
25
32
23
29
21
27
20
25
0°
5°
15°
25°
35°
45°
55°
65°
75°
85°
90
Ave Lumens
2797
2772
262
2609
731
2167
988
1501
938
896
696
480
436
256
255
98
110
23
27
0
Zone Lumens % Lamp
0° - 30°
1982
0° - 40°
2919
0° - 60°
4051
0° - 90°
0° - 180°
4444
4444
0
90° - 180°
MH100/C/U/MED LAMP, 1.0 S/MH, 8500 RATED LUMENS, TEST NO. LTL14369
Ave Lumens
0°
3052
5°
3006
15°
2842
25°
2113
35°
1289
45°
786
55°
475
65°
237
75°
85°
90
Zone Lumens % Lamp
0° - 30°
2038
0° - 40°
0° - 60°
0° - 90°
2849
3887
4235
4235
0
285
789
964
90° - 180°
811
0° - 180°
612
426
237
80
90
19
21
0
pc 80% 70% 50%
pw 50% 30% 10% 50%30% 10%50% 30%10%
24.0
33.5
45.7
49.8
0.0
49.8
59
59
0
1
2
3
4
5
6
7
8
9
10
59
54
52
51
49
46
44
44
41
38
40
37
34
37
33
30
34
30
27
31
28
25
29
25
23
27
23
21
25
22
20
61
61
58
58
53
52
47
45
42
39
37
35
34
31
31
28
28
25
26
23
24
21
22
20
58
58
58
53
51
50
48
45
43
43
40
38
39
36
34
36
33
30
33
30
27
31
27
25
29
25
23
27
23
21
25
22
20
58
53
52
50
48
46
44
44
41
40
37
36
33
33
30
31
28
29
25
27
23
25
22
Mounting
39
Height
34
8.0
31
10.0
28
12.0
25
14.0
23
16.0
21
19
55
55
55
51
49
48
46
44
42
42
39
38
35
35
32
33
29
30
27
28
25
26
23
25
22
Mounting
37
Height
33
8.0
30
10.0
27
12.0
25
14.0
23
16.0
21
19
50% beam
Inital FC
Center
Beam
92.5
49.7
31.0
21.1
15.3
54.9°
DiameterFCDiameter FC
5.7
7.8
9.9
12.0
14.0
Inital FC
Center
Diameter FC Diameter FC
Beam
100.9
54.3
33.8
23.1
16.7
10% beam
46.2
24.9
15.5
10.6
7.7
50% beam
50.9°
5.2
7.1
9.0
10.9
12.8
11.4
15.6
19.8
23.9
28.1
50.5
27.1
16.9
11.5
8.4
92.2°
9.2
5.0
3.1
2.1
1.5
10% beam
88.1°
10.6
14.5
18.4
22.3
26.1
5.4
3.4
2.3
1.7
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.
LGHI-8-ROUND-LENS
PAGE 3 OF 3
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2009-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 09/03/13. Specifications subject to change without notice.
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