User Manual

GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2006-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 07/23/13. Specifications subject to change without notice.
PAGE 4 OF 4
DLWTH-4-LENSED
PHOTOMETRY
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.
Fixture/Lamp Candlepower Data Footcandle values
TECHNICAL INFORMATION
Footcandle values are initial and tables are based on minimum of six units. For fixture-to-wall
distance other than those shown, use maximum of one-to-one spacing (distance between fixtures not
more than distance to wall) for best results.
room
wall
90
0
112
0
1
2
135
0
157
0
1
2
67
0
1
2
45
0
22
0
1
2
4” DLWTH
T4/T6 Lensed Wallwash
Ceramic Metal Halide Lamp
DLWTH T4 20M 4
CDM-TM
20W/830 lamp
1500
total rated lumens
Test
no. LTL15325
Plane Angle
Room Side
Wall Side
Vertical Angle 90° 67.5° 45° 22.5°Wall
0°
5°
15°
25°
35°
45°
55°
65°
75°
85°
1076
994
703
509
386
230
72
7
1
1
1076
1066
830
633
538
310
114
17
4
1
1076
1151
949
754
615
328
108
31
8
1
1076
1223
1096
933
686
329
117
45
13
1
1076
1232
1171
1034
739
324
125
52
14
1
3 ft. from wa ll 3 ft. from wa ll
on 3 ft. centerson 4 ft. center
s
1
2
3
4
5
6
7
8
9
10
3
9
18
25
25
21
17
14
11
9
2
8
17
24
24
21
17
14
11
9
3
9
18
25
25
21
17
14
11
9
2
8
15
20
19
17
14
11
9
7
1
5
11
17
18
15
12
10
9
7
2
8
15
20
19
17
14
11
9
7