2’ X 4’ RECESSED DIRECT/INDIRECT FLUORESCENT 4 LAMP, TT5 BI-TUBE
5-1/2'' DEEP MICROPERFORATED MESH LAMP SHIELD, STATIC
• Efficiency 66.8%.
• 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.
• Specular interior reflector.
• One piece body for easy installation.
• Easy access to ballast through lamp compartment.
• Fits standard T-Grid ceilings.
• Exclusive socket locks lamp into place.
Mounting Methods / Features
QVA2GSDOS2FT
ALTER HIGH EFFICIENCY QHE2GPFOP4FT
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 L30-34
®
Suited to standard exposed Slot T-grid ceilings
Ceiling compatibility
Suited to standard exposed T-grid ceilings
Microperforated mesh lamp shield
Page 1 of 2
Ordering Information Explanation of Catalogue Number Example: QHE2GPFOP4FT120SB
SPECIFICATIONS
MATERIALS: One piece chassis constructed from die formed 20 gauge cold
rolled steele. Reflectors - 95% reflectance baked white acrylic matte paint
finish. Specular aluminum interior reflector. 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. : QHE2GPFOP4FT120SB
QVA2GSDOS2FT
LIGHTING SCIENCES CANADA LTD.
440 PHILLIP ST., UNIT 19
WATERLOO, ONTARIO
CERTIFIED TEST REPORT NO. LSCA266
COMPUTED BY LSC PROGRAM **TEST-LITE**
LIGHTOLIER-CFI 2x4 RECESSED LUMINAIRE CAT. NO. QVS2GPFOP4FT120SB
WHITE REFLECTOR, SILVER BALLAST COVER, PERF. LAMP SHIELD WITH OVERLAY
FOUR 40W BIAXIAL COMPACT FLUORESCENT LAMPS. LUMEN RATING = 3150 LMS.
TWO UNIVERSAL TRIAD 120V 1 OR 2-LAMP ELECTRONIC BALLASTS NO. C240SI120RH
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 .80 .80 .80 .80 .78 .78 .78 .78 .74 .74 .74 .71 .71 .71 .68 .68 .68 .67
1 .73 .70 .67 .65 .71 .69 .66 .64 .66 .64 .62 .63 .62 .60 .61 .59 .58 .57
2 .67 .62 .58 .54 .65 .60 .57 .53 .58 .55 .52 .56 .53 .51 .54 .52 .50 .48
3 .61 .54 .49 .45 .60 .53 .49 .45 .51 .47 .44 .50 .46 .43 .48 .45 .42 .41
4 .56 .49 .43 .39 .55 .48 .43 .38 .46 .42 .38 .45 .41 .37 .43 .40 .37 .36
5 .52 .43 .38 .33 .50 .43 .37 .33 .41 .36 .33 .40 .36 .32 .39 .35 .32 .31
6 .48 .39 .33 .29 .46 .38 .33 .29 .37 .32 .28 .36 .31 .28 .35 .31 .28 .26
7 .44 .35 .29 .25 .43 .34 .29 .25 .33 .28 .25 .32 .28 .24 .31 .27 .24 .23
8 .40 .31 .26 .22 .39 .31 .26 .22 .30 .25 .22 .29 .25 .21 .28 .24 .21 .20
9 .37 .29 .23 .19 .37 .28 .23 .19 .27 .22 .19 .27 .22 .19 .26 .22 .19 .18
10 .35 .26 .21 .17 .34 .26 .21 .17 .25 .20 .17 .24 .20 .17 .24 .20 .17 .15
DETERMINED IN ACCORDANCE WITH CURRENT IES PUBLISHED PROCEDURES
LUMINAIRE INPUT WATTS = 126.3
LABORATORY RESULT MAY NOT BE REPRESENTATIVE OF FIELD PERFORMANCE.
BALLAST FACTORS HAVE NOT BEEN APPLIED.
CERTIFIED TEST REPORT NO. LSCA266
COMPUTED BY LSC PROGRAM **TEST-LITE**
LIGHTOLIER-CFI 2x4 RECESSED LUMINAIRE CAT. NO. QHE2GPFOP4FT120SB
WHITE REFLECTOR, SILVER BALLAST COVER, PERF. LAMP SHIELD WITH OVERLAY
FOUR 40W BIAXIAL COMPACT FLUORESCENT LAMPS. LUMEN RATING = 3150 LMS.
TWO UNIVERSAL TRIAD 120V 1 OR 2-LAMP ELECTRONIC BALLASTS NO. C240SI120RH
CANDLEPOWER SUMMARY OUTPUT
LUMENS
ANGLE ALONG 22.5 45 67.5 ACROSS
0 2829 2829 2829 2829 2829
5 2823 2832 2824 2816 2807 273
10 2784 2798 2809 2784 2784
15 2723 2727 2741 2747 2750 771
20 2631 2639 2660 2671 2679
25 2519 2528 2550 2577 2591 1174
30 2379 2391 2443 2465 2487
35 2200 2240 2301 2361 2372 1434
40 2017 2069 2143 2215 2240
45 1806 1866 1966 2065 2108 1512
50 1586 1652 1782 1891 1935
55 1338 1435 1587 1714 1752 1401
60 1107 1204 1386 1500 1526
65 862 993 1164 1243 1251 1097
70 658 766 915 937 926
75 452 551 605 609 624 611
80 262 316 329 365 370
85 89 111 122 132 131 148
90 0 0 0 0 0
ZONAL LUMENS AND PERCENTAGES
ZONE LUMENS % LAMP %LUMINAIRE
0-30 2218 17.61 26.35
0-40 3652 28.99 43.38
0-60 6564 52.10 77.97
0-90 8419 66.82 100.00
40-90 4767 37.84 56.62
60-90 1855 14.72 22.03
90-180 0 .00 .00
0-180 8419 66.82 100.00
** EFFICIENCY = 66.8% **
LUMINANCE SUMMARY-CD. / SQ. M. PAINT REFLECTANCE = .93 S/MH = 1.3
SC(ALONG) = 1.2, SC(ACROSS) = 1.3
ANGLE ALONG 45 ACROSS CERTIFIED BY:
45 3653 3994 4280 DATE:
55 3337 3973 4387 APR 28, 2004
65 2918 3956 4251 PREPARED FOR:
75 2496 3347 3462 LIGHTOLIER-CFI
85 1461 2009 2167 CORNWALL, ONTARIO
TESTED ACCORDING TO IES PROCEDURES. TEST DISTANCE EXCEEDS FIVE
TIMES THE GREATEST LUMINOUS OPENING OF LUMINAIRE.
FIXTURE
WIDTH
2'
QHE G2OP
LAMP/FIXTURE
LENGTH
(NOMINAL 24'')
VOLTAGE
CEILING TYPE
Standard exposed
T-grid ceilings
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.)
FT = TT5 Bi-Tube
FL = Two TT5 Bi-Tube
in a 4FT body
®
2’ X 4’ RECESSED DIRECT/INDIRECT FLUORESCENT 4 LAMP, TT5 BI-TUBE
5-1/2'' DEEP MICROPERFORATED MESH LAMP SHIELD, STATIC
QVA2GSDOS2FT
ALTER HIGH EFFICIENCY QHE2GPFOP4FT
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 L30-34
Page 2 of 2
BE = 50W Elect., TT5 R5
BR = 40W Elect., TT5 R5
BX = 40W Magn., TT5 R5
PB = 40W TT5 Power Spec Dimming*
PC = 50/55W TT5 Power Spec Dimming*
SB = 40W Generic Elect. TT5
* Not available in 347V
2
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