Alter Tilelyte QVD 2 x 2
Page 1 of 2 2' x 2' Recessed Direct/Indirect Fluorescent
24" (610mm)
Ordering information
Ceiling compatibility
Suited to
standard
exposed
T-grid
ceilings
Suited to
standard
exposed
Slot T-grid
ceilings
5"
(127mm)
5"
(127mm)
QVD
Quality
Visual
Recessed direct
indirect soft light
optical system
2 G OP
Luminaire
Width
2' G = Standard
Ceiling
Type
exposed
T-Grid,
Slim/
NarrowT Grid,
Slot-T
Grid or
drywall
ceilings
Lamp
Shield
GL = Decorative
glass with
opal acrylic
film
AL = Acrylic
Lamp Shield Details
OP = One piece (no center slot) lamp shield
Lamp
Quantity
3 = 3 Lamp
4 = 4 Lamp
(T5/T5HO
only)
Features
• Efficiency 48.9%
• Decorative glass L ens with chamfered edges which blends in with regular flat-edge
and recess ed-edge ceiling tiles
• Easy-to-remove thumbscrews for easy access to lamp/ ballast comp atment
• Fully recessed luminaire and lamp compar tment
• One pie ce body for easy installation
• Easy access to ballast through lamp compar tment
• Fits standard T-Grid, Slim/ Narrow-T Grid, Slot-T Grid or dry wall
ceilings
Material
One pie ce chassis construc ted from die for med 2 0 gauge cold rolled steel.
Reflectors - Pre-paint finish. Soft white acry lic film on inside of lamp shield conceals
lamp image.
Finish
Chassis ex terior - phosphate undercoating, baked w hite acrylic mat te high reflec-
tance paint finish.
Lamp Voltage Ballast
24 = 24WT5HO
FT = TT5 Bi-Tube
UNV
T5/T5HO
PG = Electronic Linear T5/T5HO
120
277
Program Start (<10% THD)
TT5
I3 = 40W 3 Lamp Electronic
TT5 Instant Start or Rapid
Start (<10% THD)
For Dimming Ballast
Suffix, please consult your
Lightolier Representative.
Type
Options
= Internal fast blow fusing.A
= Internal slow blow fusing.C
FK92X2 = Drywall Kit for
Electrical
Thermally prote cted class “P” ballast. If K.Os are within 3" of ballast use wire suitable
for at least 90C. Suitable for damp loc ation.
Labels
Liste d by C SA, UL.
Job Information Type:
Job Name:
Cat. No.:
Lamp(s):
Volts/Ballast:
plaster frames
For Factory Technical Information: (978) 657-7600 • Fax (978) 658-0595 11/10
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 © Philips Group
Section 5/Folio L10-10 Rev. A
Alter Tilelyte QVD 2 x 2
Page 2 of 2 2’ x 2’ Recessed Direct/Indirect Fluorescent
Performance
CANDLEPOWER CURVE 3FT
180°
0°
REPORT NO: LSCA677
CAT. NO: QVD2GGLOP3FT120X3
3 40W TT5 Compact Fluorescent Lamps at 3150 lumens.
Efficiency: 48.9%
Candela at Nadir: 1856cd
2400
1600
800
90°
CANDLEPOWER
ZONE
DEG
ALONG 22.5 45 67.5 ACROSS
0 1856 1856 1856 1856 1856
5 1846 1845 1842 1847 1854
10 1814 1812 1818 1816 1820
15 1762 1760 1759 1773 1767
20 1685 1684 1695 1694 1694
25 1598 1598 1591 1596 1599
30 1481 1484 1484 1484 1489
35 1363 1361 1364 1369 1369
40 1234 1239 1234 1236 1236
45 1090 1099 1091 1091 1103
50 941 948 941 941 949
55 798 795 799 807 806
60 654 651 652 659 655
65 514 507 513 505 509
70 376 371 369 372 382
75 242 240 241 240 244
80 125 121 126 126 123
85 35 34 25 31 26
90 0 0 0 0 0
ZONAL CAVITY METHOD * EFFECTIVE FLOOR CAVITY REFLECTANCE = .20
80 70 50
70 50 30 10 70 50 30 10 50 30 10
0 .58 .58 .58 .58 .57 .57 .57 .57 .54 .54 .54
1 .54 .52 .50 .48 .53 .51 .49 .48 .49 .47 .46
2 .50 .46 .43 .41 .49 .45 .43 .40 .44 .41 .39
3 .46 .41 .38 .35 .45 .40 .37
4 .42 .37 .33 .30 .41 .36 .33 .30 .35 .32 .30
5 .39 .33 .29 .26 .38 .33 .29 .26 .32 .28 .26
6 .36 .30 .26 .23 .35 .30 .26 .23 .29 .25 .23
7 .33 .27 .23 .20 .32 .27 .23 .20 .26 .22 .20
8 .31 .25 .21 .18 .30 .24 .20 .18 .24 .20 .18
Room Cavity Ratio
9 .29 .22 .18 .16 .28 .22 .18 .16 .21 .18 .16
10 .27 .20 .17 .14 .26 .20 .17 .14 .20 .16 .14
DETERMINED IN ACCORDANCE WITH CURRENT IES PUBLISHED PROCEDURES
DISTRIBUTION
ZONE LUMENS % LAMP %LUMINAIRE
0-30 1406 14.89 30.45
0-40 2258 23.90 48.88
0-60 3812 40.35 82.51
0-90 4620 48.90 100.00
40-90 2362 25.00 51.12
60-90 808 8.55 17.49
90-180 0 .00 .00
0-180 4620 48.90 100.00
COEFFICIENTS OF UTILIZATION
Wall Reflectance
.35 .39 .36 .34
LUMINAIRE INPUT WATTS = 99.8
Performance
CANDLEPOWER CURVE 424
180°
0°
REPORT NO: LSCA934
CAT. NO: QVD2GGLOP424120PG
4 24W T5HO Fluorescent Lamps at 1760 lumens.
Efficiency: 47.1%
Candela at Nadir: 1315cd
1200
800
400
90°
CANDLEPOWER
ZONE
DEG
ALONG 22.5 45 67.5 ACROSS
0 1315 1315 1315 1315 1315
5 1305 1303 1316 1316 1317
10 1287 1284 1286 1291 1291
15 1249 1248 1249 1251 1252
20 1200 1202 1201 1200 1206
25 1135 1132 1137 1135 1148
30 1053 1065 1060 1061 1064
35 970 975 971 980 979
40 878 882 881 891 890
45 785 779 784 783 786
50 677 680 674 683 681
55 576 572 571 578 580
60 469 477 474 477 478
65 375 372 371 370 373
70 277 276 270 273 280
75 184 182 178 181 183
80 96 92 91 96 93
85 31 20 20 20 21
90 0 0 0 0 0
ZONAL CAVITY METHOD * EFFECTIVE FLOOR CAVITY REFLECTANCE = .20
80 70 50
Wall Reflectance
70 50 30 10 70 50 30 10 50 30 10
0 .56 .56 .56 .56 .55 .55 .55 .55 .52 .52 .52
1 .52 .50 .48 .47 .51 .49 .47 .46 .47 .46 .44
2 .48 .44 .41 .39 .47 .43 .41 .38 .42 .40 .38
3 .44 .39 .36 .33 .43 .39 .35 .33 .37 .35 .32
4 .40 .35 .31 .28 .39 .35 .31 .28 .33 .30 .28
5 .37 .31 .27 .24 .36 .31 .27 .24 .30 .26 .24
6 .34 .28 .24 .21 .33 .28 .24 .21 .27 .23 .21
7 .31 .25 .21 .19 .31 .25 .21 .18 .24 .21 .18
8 .29 .23 .19 .16 .28 .22 .19 .16 .22 .18 .16
Room Cavity Ratio
9 .27 .21 .17 .14 .26 .20 .17 .14 .20 .16 .14
10 .25 .19 .15 .12 .24 .18 .15 .12 .18 .15 .12
DETERMINED IN ACCORDANCE WITH CURRENT IES PUBLISHED PROCEDURES
LUMINAIRE INPUT WATTS = 95.7
DISTRIBUTION
ZONE LUMENS % LAMP %LUMINAIRE
0-30 1000 14.21 30.14
0-40 1608 22.84 48.46
0-60 2725 38.72 82.14
0-90 3318 47.14 100.00
40-90 1710 24.30 51.54
60-90 592 8.42 17.86
90-180 0 .00 .00
0-180 3318 47.14 100.00
COEFFICIENTS OF UTILIZATION
For Factory Technical Information: (978) 657-7600 • Fax (978) 658-0595 11/10
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 © Philips Group
Section 5/Folio L10-10 Rev. A
Job Information Type: