1’ X 4’ RECESSED DIRECT/INDIRECT FLUORESCENT 1 OR 2 LAMP, T5
5'' DEEP MICROPERFORATED MESH LAMP SHIELD, STATIC
• Efficiency 57.6% (2 lamp T5).
• Swing down microperforated lamp shield for easy
relamping and maintenance.
• Alter soft white film on inside of mesh conceals lamp
image and provide balance between reflected light and
direct light.
• Fully recessed luminaire and lamp compartment.
• 95% Reflective Alter soft white paint finish.
• One piece body for easy installation.
• Easy access to ballast through lamp compartment.
• Fits standard T-Grid ceilings. (G type)
Mounting Methods / Features
QVA2GSDOS2FT
ALTER HIGH EFFICIENCY QHE1GPFOP128 OR 228
Dimensions
Features
Type:
Job Name:
Cat. No.:
Lamp(s):
Volts/Ballast:
Job Information
Lightolier a Genlyte Thomas Company
Technical Information: (978) 657-7600 - (978) 658-0595
631 Airport Road, Fall River, MA 02720 - (508) 679-8131
C.F.I. Division of Canlyte, Inc.
525 Education Road, Cornwall, Ontario, Canada K6H 6C7 - (613) 938-6221
We reserve the right to change details of design, materials and finish.
© 2004 Genlyte Thomas Group LLC (Lightolier Division)
A0902 Section 5 / Folio L20-38
®
Suited to standard exposed Slot T-grid ceilings
Ceiling compatibility
Suited to standard exposed T-grid ceilings
Page 1 of 2
Microperforated mesh lamp shield
Ordering Information Explanation of Catalogue Number Example: QHE1GPFOP228120PI
SPECIFICATIONS
MATERIALS: One piece chassis constructed from die formed 20 gauge cold
rolled steele. Reflectors - 95% reflectance baked white acrylic matte paint
finish. Soft white acrylic film on inside of lamp shield conceals lamp image.
FINISH: Chassis exterior - phosphate undercoating, baked white acrylic matte
paint finish.
ELECTRICAL: Rapid start HPF, thermally protected class “P” ballast (Bi-tube
type). If K.Os are within 3” of ballast use wire suitable for at least 90C.
LABELS: Listed by CSA, UL
QUALITY
HIGH
EFFICIENCY
Recessed direct
indirect soft
light high
efficiency
optical system
Photometry
Model No. : QHE1GPFOP254120PG
QVA2GSDOS2FT
LIGHTING SCIENCES CANADA LTD.
440 PHILLIP ST., UNIT 19
WATERLOO, ONTARIO
CERTIFIED TEST REPORT NO. LSCA264
COMPUTED BY LSC PROGRAM **TEST-LITE**
LIGHTOLIER-CFI 1x4 RECESSED LUMINAIRE CAT. NO. QVS1GPFOP254120PG
WHITE PAINTED REFLECTOR AND ONE PERFORATED LAMP SHIELD WITH OVERLAY
TWO 54W T5 HO FLUORESCENT LAMPS. LUMEN RATING = 4400 LMS.
ONE UNIVERSAL ACCUSTART 120-277V 1 OR 2-LAMP ELECTRONIC BALLAST NO. B254PUNV-D
COEFFICIENTS OF UTILIZATION
ZONAL CAVITY METHOD
EFFECTIVE FLOOR CAVITY REFLECTANCE = .20
CC 80 70 50 30 10 0
WALL
70 50 30 10 70 50 30 10 50 30 10 50 30 10 50 30 10 0
RCR
0 .69 .69 .69 .69 .67 .67 .67 .67 .64 .64 .64 .61 .61 .61 .59 .59 .59 .58
1 .63 .61 .59 .57 .62 .60 .58 .56 .57 .56 .54 .55 .54 .53 .53 .52 .51 .50
2 .58 .54 .51 .48 .57 .53 .50 .47 .51 .48 .46 .49 .47 .45 .48 .46 .44 .43
3 .54 .48 .44 .41 .52 .47 .43 .40 .46 .42 .40 .44 .41 .39 .43 .40 .38 .37
4 .49 .43 .38 .35 .48 .42 .38 .35 .41 .37 .34 .40 .36 .34 .38 .36 .33 .32
5 .45 .38 .33 .30 .44 .38 .33 .30 .36 .32 .29 .35 .32 .29 .34 .31 .29 .27
6 .42 .34 .29 .26 .41 .34 .29 .26 .33 .29 .25 .32 .28 .25 .31 .28 .25 .24
7 .38 .31 .26 .23 .38 .30 .26 .22 .30 .25 .22 .29 .25 .22 .28 .25 .22 .21
8 .35 .28 .23 .20 .35 .27 .23 .19 .27 .22 .19 .26 .22 .19 .25 .22 .19 .18
9 .33 .25 .20 .17 .32 .25 .20 .17 .24 .20 .17 .23 .19 .17 .23 .19 .17 .16
10 .30 .23 .18 .15 .30 .22 .18 .15 .22 .18 .15 .21 .17 .15 .21 .17 .15 .14
DETERMINED IN ACCORDANCE WITH CURRENT IES PUBLISHED PROCEDURES
LUMINAIRE INPUT WATTS = 104.6
LABORATORY RESULT MAY NOT BE REPRESENTATIVE OF FIELD PERFORMANCE.
BALLAST FACTORS HAVE NOT BEEN APPLIED.
CERTIFIED TEST REPORT NO. LSCA264
COMPUTED BY LSC PROGRAM **TEST-LITE**
LIGHTOLIER-CFI 1x4 RECESSED LUMINAIRE CAT. NO. QHE1GPFOP254120PG
WHITE PAINTED REFLECTOR AND ONE PERFORATED LAMP SHIELD WITH OVERLAY
TWO 54W T5 HO FLUORESCENT LAMPS. LUMEN RATING = 4400 LMS.
ONE UNIVERSAL ACCUSTART 120-277V 1 OR 2-LAMP ELECTRONIC BALLAST NO. B254PUNV-D
CANDLEPOWER SUMMARY OUTPUT
LUMENS
ANGLE ALONG 22.5 45 67.5 ACROSS
0 1901 1901 1901 1901 1901
5 1904 1895 1896 1894 1896 183
10 1874 1879 1881 1884 1886
15 1831 1833 1851 1857 1854 520
20 1777 1775 1798 1805 1810
25 1709 1708 1724 1739 1740 793
30 1613 1616 1651 1649 1648
35 1510 1528 1550 1537 1524 955
40 1382 1405 1437 1384 1364
45 1250 1278 1274 1204 1174 954
50 1097 1132 1088 1004 975
55 942 977 894 811 781 791
60 791 798 685 632 633
65 633 607 494 499 504 541
70 484 420 366 386 381
75 332 242 242 257 261 277
80 179 117 133 146 140
85 47 36 42 44 46 58
90 0 0 0 0 0
ZONAL LUMENS AND PERCENTAGES
ZONE LUMENS % LAMP %LUMINAIRE
0-30 1496 17.00 29.51
0-40 2451 27.85 48.34
0-60 4195 47.68 82.73
0-90 5071 57.63 100.00
40-90 2620 29.77 51.66
60-90 875 9.95 17.27
90-180 0 .00 .00
0-180 5071 57.63 100.00
** EFFICIENCY = 57.6% **
LUMINANCE SUMMARY-CD. / SQ. M. PAINT REFLECTANCE = .91 S/MH = 1.3
SC = 1.3
ANGLE ALONG 45 ACROSS CERTIFIED BY:
45 5593 5721 5274 DATE:
55 5197 4951 4326 APR 26, 2004
65 4740 3712 3784 PREPARED FOR:
75 4062 2967 3201 LIGHTOLIER-CFI
85 1695 1535 1688 CORNWALL, ONTARIO
TESTED ACCORDING TO IES PROCEDURES. TEST DISTANCE EXCEEDS FIVE
TIMES THE GREATEST LUMINOUS OPENING OF LUMINAIRE.
FIXTURE
WIDTH
1'
QHE G1PF 2OP 28 120 PI
LAMP/FIXTURE
LENGTH
(NOMINAL 48'')
VOLTAGE
CEILING TYPE
G=Standard exposed
T-grid ceilings
T=Slot T-grid ceiling
LAMP SHIELD
DETAIL
LAMP SHIELD
PF = Microperforated
OP = One piece
(no center slot)
120V
277V
347V
LAMP
QUANTITY
BALLAST
OPTIONS
R = Radio
Interference Filter
O = Emergency Lighting
System (for Canada)
N = Emergency Lighting
System (for U.S.)
28 = 28W T5
54 = 54W T5
®
1’ X 4’ RECESSED DIRECT/INDIRECT FLUORESCENT 1 OR 2 LAMP, T5
5'' DEEP MICROPERFORATED MESH LAMP SHIELD, STATIC
QVA2GSDOS2FT
ALTER HIGH EFFICIENCY QHE1GPFOP128 OR 228
Type:Job Information
Lightolier a Genlyte Thomas Company
Technical Information: (978) 657-7600 - (978) 658-0595
631 Airport Road, Fall River, MA 02720 - (508) 679-8131
C.F.I. Division of Canlyte, Inc.
525 Education Road, Cornwall, Ontario, Canada K6H 6C7 - (613) 938-6221
We reserve the right to change details of design, materials and finish.
© 2004 Genlyte Thomas Group LLC (Lightolier Division)
A0902 Section 5 / Folio L20-38
Page 2 of 2
PI = Electronic linear T5, IS
PG* = Electronic linear T5HO, Pro. S
* 54W N/A in PI
1
2
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1
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