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8” afw open wallwash, Fixture/lamp candlepower data footcandle values, Room wall 90 – Gotham 8 AFW Open Wallwash DTT SpecSheet User Manual

Page 3

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GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com

© 2003-2014 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 01/08/14. Specifications subject to change without notice.

PAGE 3 OF 4

AFW-8-OPEN-DTT

PH

OTO
M

ET

RY

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

8” AFW

Open Wallwash

Horizontal Lamp, Double Twin-Tube

AFW 2/18DTT 8AR
(2)CF18DD/E/835 lamp
1250 rated lumens per lamp
Test no. LTL17618

Wallwash Illuminance Study (fc)

Illuminance on wall from 6 luminaires

Luminaire

mounted 3 ft.

from wall

Luminaire

mounted 3 ft.

from wall

Luminaire

mounted 3 ft.

from wall

3 ft. between

luminaires

4 ft. between

luminaires

5 ft. between

luminaires

ft. from ceiling

3

3.5 4

3

3.5 4

3

3.5 4

1

2

3

4

5

6

7

8

9

10

7

13

17

18

17

15

12

10

9

7

6

12

16

18

17

15

12

10

9

7

7

13

17

18

17

15

12

10

9

7

6

11

14

14

13

11

9

8

7

6

4

8

11

13

12

11

9

8

7

6

6

11

14

14

13

11

9

8

7

6

6

10

13

12

11

9

8

6

6

5

3

5

8

9

10

9

7

6

5

5

6

10

13

12

11

9

8

6

6

5

Plane angle

Wall 22.5

45

67.5

90

112.5 135

157.5

0

5

15

25

35

45

55

65

75

85

90

1110

1050

915

691

485

294

148

83

43

11

0

1110

1061

907

694

493

293

145

81

41

10

0

1110

1081

881

680

476

266

127

69

34

8

0

1110

1073

849

650

439

239

96

52

24

6

0

1110

1072

820

609

403

213

65

33

14

3

0

1110

1075

810

582

387

193

52

17

6

1

0

1110

1079

796

567

374

185

45

5

2

0

0

1110

1086

772

566

374

188

37

2

1

0

0

Vertical Angl

e

AFW 2/26DTT 8AR
(2)CF26DD/E/835 lamp
1825 rated lumens per lamp
Test no. LTL10613

Wallwash Illuminance Study (fc)

Illuminance on wall from 6 luminaires

Luminaire

mounted 3 ft.

from wall

Luminaire

mounted 3 ft.

from wall

Luminaire

mounted 3 ft.

from wall

3 ft. between

luminaires

4 ft. between

luminaires

5 ft. between

luminaires

ft. from ceiling

3

3.5 4

3

3.5 4

3

3.5 4

1

2

3

4

5

6

7

8

9

10

12

20

27

28

26

22

19

16

13

11

10

18

25

27

26

22

19

16

13

11

12

20

27

28

26

22

19

16

13

11

10

16

22

22

20

17

14

12

10

9

7

12

17

20

19

17

14

12

10

9

10

16

22

22

20

17

14

12

10

9

9

15

19

19

17

14

12

10

8

7

4

9

12

15

15

13

11

10

8

7

9

15

19

19

17

14

12

10

8

7

Plane angle

Wall 22.5

45

67.5

90

112.5 135 157.5

0

5

15

25

35

45

55

65

75

85

90

1632

1539

1336

1028

739

442

229

129

68

17

0

1632

1579

1308

1018

728

428

217

121

61

15

0

1632

1593

1270

987

691

394

183

99

48

12

0

1632

1574

1231

940

635

353

134

70

32

7

1

1632

1571

1205

896

593

319

96

43

18

3

1

1632

1579

1213

873

575

293

78

20

7

1

1

1632

1583

1206

859

568

284

65

6

2

0

0

1632

1587

1188

871

567

280

54

3

1

0

0

Vertical Angl

e

AFW 2/18DTT 8AR CGL
(2)CF18DD/E/835 lamp
1250 rated lumens per lamp
Test no. LTL17622

Wallwash Illuminance Study (fc)

Illuminance on wall from 6 luminaires

Luminaire

mounted 3 ft.

from wall

Luminaire

mounted 3 ft.

from wall

Luminaire

mounted 3 ft.

from wall

3 ft. between

luminaires

4 ft. between

luminaires

5 ft. between

luminaires

ft. from ceiling

3

3.5 4

3

3.5 4

3

3.5 4

1

2

3

4

5

6

7

8

9

10

4

14

14

11

9

8

6

5

4

3

4

12

14

12

9

8

6

5

4

3

4

14

14

11

9

8

6

5

4

3

4

12

11

8

7

6

5

4

3

3

2

8

11

9

7

6

5

4

3

3

4

12

11

8

7

6

5

4

3

3

3

11

9

7

6

4

4

3

3

2

2

5

8

7

6

5

4

3

3

2

3

11

9

7

6

4

4

3

3

2

Plane angle

Wall 22.5 45 67.5 90

112.5 135 157.5

0

5

15

25

35

45

55

65

75

85

90

305

306

299

263

217

210

171

71

21

3

0

305

303

307

276

231

208

158

65

20

3

0

305

301

316

300

246

187

121

51

17

3

0

305

302

325

317

257

156

69

26

9

1

0

305

310

321

304

277

152

27

8

2

0

0

305

324

374

366

307

165

31

5

2

0

0

305

333

395

392

321

180

36

6

2

0

0

305

340

392

378

324

194

40

6

2

0

0

Vertical Angl

e