Lytecaster Recessed Downlighting Specification Sheet

Lytecaster
®
Recessed Downlighting 1128T
Page 2 of 2 6 3/4" Aperture Low Profile Diffuser Reflector Trim
Lightolier a Genlyte company www.lightolier.com
631 Airport Road, Fall River, MA 02720 • [phone] • Fax [phone]
We reserve the right to change details of design, materials and finish.
© 2006 Genlyte Group LLC • F1106
Job Information Type:
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 CAVITY RATIO
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