Job Information
Type:
631 Airport Road, Fall River, MA 02720 • (508) 679-8131 • Fax (508) 674-4710
We reserve the right to change details of design, materials and finish.
www.lightolier.com © 2011 Philips Group • H0711
Lytecaster
®
Recessed Downlighting
1128T
Page 2 of 2
6 3/4" Aperture Low Profile Diffuser Reflector Trim
COEFFICIENTS OF UTILIZATION
% EFFECTIVE CEILING CAVITY REFLECTANCE
80
70
50
30
10
0
0
.17
.15
.13
.12
.10
.09
.08
.07
.06
.05
ROOM CA
VITY RA
TIO
20% FLOOR CAVITY REFLECTANCE
Conversion factors: 18W Quad Tube, C.U. x 1.0
13W Twin Tube, C.U. x 1.2
50 30 10
50 30 10
50 30 10
50 30 10
50 30 10
1 .21 .21 .20
.21 .20 .20
.20 .20 .19
.19 .19 .18
.19 .18 .18
2 .19 .18 .17
.19 .18 .17
.18 .17 .16
.17 .17 .16
.17 .16 .16
3 .17 .16 .14
.17 .15 .11
.16 .15 .14
.16 .15 .14
.15 .14 .14
4 .15 .14 .13
.15 .14 .12
.15 .13 .12
.14 .13 .12
.14 .13 .12
5 .14 .12 .11
.14 .12 .11
.13 .12 .11
.13 .12 .11
.13 .11 .11
6 .12 .11 .10
.12 .11 .10
.12 .11 .09
.12 .10 .09
.11 .10 .09
7 .11 .10 .08
.11 .10 .08
.11 .09 .08
.10 .09 .08
.10 .09 .08
8 .10 .09 .07
.10 .09 .07
.09 .08 .07
.09 .07 .07
.09 .07 .06
9 .09 .08 .07
.09 .08 .07
.09 .08 .07
.09 .07 .07
.09 .07 .06
10 .09 .07 .06
.08 .07 .06
.08 .07 .06
.08 .07 .06
.08 .07 .06
% WALL REFLECTANCE
CERTIFIED TEST REPORTED NO. 0157FR
COMPUTED BY LSI PROGRAM **TEST-LITE**
RECESSED LYTECASTER DOWNLIGHT
6 5/16” DIA. APERTURE, WHITE REFLECTOR, OPAL DIFFUSER WITH WHITE SPLAY
TWO 26W QUAD TUBE 2 PIN LAMPS. LUMEN RATING = 1800 LMS.
TESTED ACCORDING TO IES PROCEDURES.
TEST DISTANCE EXCEEDS FIVE TIMES THE
GREATEST LUMINOUS OPENING OF
LUMINAIRE.
ZONE
LUMENS % LAMP
% LUMINAIRE
0–30 224 6.24
30.82
0–40
360 10.01
49.45
0–60
599 16.65
82.23
0–90
728 20.24
100.00
40–90 368 10.23
50.53
60–90 129 3.60
17.77
90–180 0 0.00
0.00
0–180 728 20.24
100.00
** EFFICIENCY = 20.2% **
ZONAL LUMENS AND PERCENTAGES
CANDLEPOWER SUMMARY
ANGLE ALONG 22.5
45
67.5 ACROSS LUMENS
0
293 293 293 293 293
5
290 294 292 286 287
28
10
287 290 288 282 283
15
280 283 282 276 277
79
20
270 273 272 267 268
25
255 258 257 252 253
118
30
237 240 239 234 236
35
216 218 218 214 215
135
40
193 196 195 192 195
45
170 173 172 168 169
132
50
144 147 147 143 144
55
118 121 121 117 118
107
60
93 96 95 91 91
65
69 72 69 69 66
70
70
48 51 51 51 46
75
29 32 40 38 30
38
80
19 19 31 32 20
85
11 12 25 26 13
21
90
6 7 22 23
7
SPACING RATIO = 1.2
ACROSS
45
ALONG
100
200
300
