Lightolier 1128T User Manual
Lytecaster
®
Recessed Downlighting 1128T
Page 1 of 2 6 3/4" Aperture Low Profile Diffuser Reflector Trim
7" Ceiling Opening
1128T/1102T Series
Complete Fixture consists of Reflector Trim & Frame-In Kit. Select each separately.
Reflector Trim Frame-In Kit — See Individual Frame-In Kit Specification Sheets
Incandescent
Frame-In Kit Installation Type Lamping Height
1128T 1102T1 Non-IC 2 Lamp 13W Twin Tube 3 7/8”
White Diffuser 1102TH1 Non-IC Compact Fluorescent 3 7/8”
1102TH2 Non-IC (Gx23) 2 Pin Base 3 7/8”
1102TM1 Non-IC Emergency 3 7/8”
1102TM2 Non-IC Emergency 3 7/8”
1102TH1R Non-IC Remodeler 3 7/8”
1102T13U Non-IC 2 Lamp 13W Quad Tube 3 7/8”
Compact Fluorescent
(G24q-1) 4 Pin Base
1102T18U Non-IC 2 Lamp 18W Quad Tube 3 7/8”
Compact Fluorescent
(G24q-2) 4 Pin Base
1102T26U Non-IC 2 Lamp 26W Quad Tube 3 7/8”
Compact Fluorescent
(G24q-3) 4 Pin Base
Features
1. Reflector: Hydroformed aluminum, 18 ga.; white gloss finish on inside and
trim flange.
2. Diffuser: Translucent white Lexan® provides soft, widespread illumination
with opaque splay to reduce brightness to ceiling.
3. Splay: Injection molded opaque white Valox®.
4. Frame-In Kit: (1102T1 standard frame shown; other frames listed above.)
See Frame-In Kit specification sheet for more details.
Options & Accessories
Retaining Clips: 1955 - For installing in existing ceiling
Extra Wide Flange Trim Ring: 1954 - 8-7/8” O.D.
Plaster Ring: 1961
Labels
UL (Suitable for Wet Locations, in Covered Ceiling; Damp Location in Walls,
Spas and Hot Tubs), I.B.E.W.
Lexon® is a registered trademark of General Electric.
Valox® is a registered trademark of General Electric.
US Patent Nos. 4,313,154; 4,327,403.
Job Information Type:
Job Name:
Cat. No.:
Lamp(s):
Notes:
Lightolier a Genlyte company www.lightolier.com
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.
© 2006 Genlyte Group LLC • F1106
Lytecaster
®
Recessed Downlighting 1128T
Page 2 of 2 6 3/4" Aperture Low Profile Diffuser Reflector Trim
SPAcIN g RAtIO = 1 . 2
CERTIFIED TEST REPORTED NO. 0157FR
COMPUTED BY LSI PROGRAM **TEST-LITE**
6 5/16” DIA. APERTURE, WHITE REFLECTOR, OPAL DIFFUSER WITH WHITE SPLAY
TWO 26W QUAD TUBE 2 PIN LAMPS. LUMEN RATING = 1800 LMS.
100
200
300
TESTED ACCORDING TO IES PROCEDURES.
TEST DISTANCE EXCEEDS FIVE TIMES THE
GREATEST LUMINOUS OPENING OF
LUMINAIRE.
RECESSED LYTECASTER DOWNLIGHT
CANDLEPOWER SUMMARY
ACROSS
45
ALONG
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
zONAL LUMENS AND PERCENTAGES
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% **
COEFFICIENTS OF UTILIzATION
% EFFECTIVE CEILING CAVITY REFLECTANCE
80 70 50 30 10 0
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
ROOM CAVITY RATIO
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
Conversion factors: 18W Quad Tube, C.U. x 1.0
13W Twin Tube, C.U. x 1.2
% WALL REFLECTANCE
20% FLOOR CAVITY REFLECTANCE
0
.17
.15
.13
.12
.10
.09
.08
.07
.06
.05
Job Information Type:
Lightolier a Genlyte company www.lightolier.com
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.
© 2006 Genlyte Group LLC • F1106
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