Lightolier PLA2G9LS26U User Manual
Paralyte 2424 PLA2G9LS26U
Page 1 of 2 2’ x 2’ Recessed Fluorescent, 3-1/8" Deep 9 Cell Parabolic Louver,
Static and Air Return, 2 Lamp, T8 or T12
Mounting Methods
Dimensions
Job Information Type:
Job Name:
Cat. No.:
Lamp(s):
Volts/Ballast:
Lightolier a Genlyte Thomas Company www.lightolier.com
Technical Information: (978) 657-7600 • Fax (978) 658-0595
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.
© 2003 Genlyte Thomas Group LLC (Lightolier Division)
A0902 Section 2/Folio G50-52 Rev. A
Features
• 23" x 23" louver.
• Efficiency 68.7%.
• One fixture fits 50 different G type and T type ceiling systems.
• Only 5 1/2" deep housing.
• Automatic engaging adjustable seismic clips.
• Pre-anodized aluminum vertical grain parabolic louver.
• 3 1/8" deep louver.
• Low iridescence semi-specular aluminum, standard.
• Spring-loaded latches.
• Protective film dust guard.
• UL-Listed twin knockout access plate.
• Not for continuous row mounting.
24" (610mm)
5-1/2"
(140mm)
*If less than 1 1/2”, STC spacer is
required, 2 each end.
air return
capabilities
exceed
standard
requirements
(see Folio
G50-50)
4/03
slot grid
two-directional concealed grid
narrow grid system
standard grid
Adjustable
seismic
clip
(patented)
Adjustable
seismic
clip
(patented)
*1-1/2"
*1-1/2"
Adjustable
seismic
clip
(patented)
*1-1/2"
Adjustable
seismic
clip
(patented)
NOTE: Fixtures may be used for static or air return applications.
24" (610mm)
3" x 3" access
plate with two
K.O.’s (7/8" dia.)
24"
(610mm)
8-7/8"
(225mm)
c
L
Paralyte 2424 PLA2G9LS26U
Page 2 of 2 2’ x 2’ Recessed Fluorescent, 3-1/8" Deep 9 Cell Parabolic Louver,
Static and Air Return, 2 Lamp, T8 or T12
Lightolier a Genlyte Thomas Company www.lightolier.com
Technical Information: (978) 657-7600 • Fax (978) 658-0595
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.
© 2003 Genlyte Thomas Group LLC (Lightolier Division)
A0902 Section 2/Folio G50-52 Rev. A
Job Information Type:
Options/Accessories
Prewiring: 3/8" factory prewired cable (three no. 18 AWG leads, 6’ long).
Suffix: FF6, (Four no. 18 AWG leads, 6’ long). Suffix: FF14.
Fusing: Internal fast-blow fusing. Suffix: GLR.
Internal slow-blow fusing Suffix: GMF.
Fluorescent Emergency Lighting System: Factory-installed emergency power
battery pack with charger and inverter, concealed in fixture channel. Operates
one fluorescent lamp at reduced light output for 90 minutes. Suffix: EM.
Radio Interference Filter: 120 or 277 volt, 50 or 60 Hz.
One per fixture. Suffix: R. One per ballast. Suffix: B.
Electrical Options: Special wiring, fusing or dimming ballasts and installed
lamps are available, consult your Lightolier representative or factory.
T-Bar Spacer: If T-bar is less than 1-1/2" deep, order Catalog Number: STC.
2 each end is required.
Specifications
Performance: In an installation of 2 lamp 31W Iuminaires in a room cavity
ratio of 1, with reflectance of 80% ceiling, 50% wall, 20% floor, the C.U. shall
not be less than 73. To prevent glare the VCP shall not be less than 83 either
lengthwise or crosswise (at 10Ofc level) and the average brightness at 65° shall
not exceed 2817 candelas per square meter. To control veiling reflections,
Iuminaire output in the 30°-90° zone shall not be less than 68.9%.
Specifications (continued)
Air Return: Designed to provide optimum air return. Air is returned through the
lamp compartment for all ceiling systems and direct to plenum through slots in
slot grid and narrow grid ceiling systems.
Materials: Chassis parts are die-formed code gauge cold rolled steel.
Housing is embossed for rigidity with all edges turned up for safe handling.
Louver is pre-anodized aluminum (Coilzak®or equal).
Finish: Louver–semi-specular anodized low iridescence, vertical grain reflector
sheet. Cavity–white baked polyester minimum 86% refLectance. Phosphate
undercoating. Chassis exterior–black baked polyester enamel.
Electrical: Thermally protected class “P” ballast C.B.M. approved, non PCB. If
K.O.is within 3“ of ballast, use wire suitable for at least 90°.
Labels: I.B.E.W./UL and ULc Listed.
Photometry Model No. PLA2G9LS26U120SO
coefficients of utilization — zonal cavity method (effective floor cavity reflectance 0.20)
RF 20 20 20
RC 80 50 30
RW 70 50 30 50 30 10 50 30 10
1767371 696765 666563
2706561 615856 595754
3645853 555147 534947
4595146 494441 474340
5544640 443935 433835
6504236 403531 393431
7473832 363128 353127
8433429 332825 322825
9403226 302622 302522
10 38 29 24 28 23 20 27 23 20
visual comfort probability (rated lumens per lamp 3150.)
room size ceiling height ceiling height
W L 8.5 10.0 13.0 16.0 8.5 10.0 13.0 16.0
20 20 71 66 69 79 68 63 63 76
20 30 74 70 66 68 71 67 62 61
20 40 77 73 70 68 74 70 66 63
20 60 79 75 73 71 76 72 69 66
30 20 76 70 67 76 74 68 63 74
30 30 79 73 66 65 76 71 63 60
30 40 81 75 69 66 78 73 67 62
30 60 82 77 72 68 80 75 70 65
30 80 84 79 74 71 81 77 72 68
40 20 79 73 71 75 76 71 67 73
40 30 81 76 69 64 79 74 67 61
40 40 83 78 72 65 81 76 70 63
40 60 84 80 74 68 82 78 72 66
40 80 85 81 76 70 83 79 74 68
40 100 86 82 78 73 84 80 76 70
60 30 82 78 72 67 80 76 70 63
60 40 84 80 74 67 82 78 73 65
60 60 85 81 76 70 83 80 75 68
60 80 86 83 78 72 84 81 77 70
60 100 87 84 80 74 85 82 78 72
100 40 84 80 76 71 82 78 75 69
100 60 86 82 78 73 84 80 77 71
100 80 87 84 80 75 85 82 79 74
100 100 88 85 81 77 86 83 80 75
room cavity ratio
luminaries lengthwise
luminaries crosswise
LER = FP - 58.9 IW - 58.0 BF - 0.87
Comparative yearly lighting energy cost per 1000 lumens = $4.07
PL
Paralyte
2424:
3-1/8" Deep
Parabolic
Precision
Contoured Pre-
anodized
Aluminum
Louver
2
Fixture
Width
G
Ceiling Type:
G=Grid (lay-in T-bar)
9
Number of
Cells
Louver Finish:
L = Low
Iridescence
Semi-specular
(standard)
W
=
White Paint
S
Ballast Cover:
S=Single V Reflector
2
Lamp
Quantity
6U
Lamp/
Fixture Length:
6" U Lamp
T8 or T12
(Nominal 24")
Voltage:
120 or 277
Options:
Add appropriate
suffix to catalog
no, ie: (GLR)
Ballast Type:
1–2 Lamp Mag. T12 LE*
<20THD <10THD
1–2 Lamp Elec. T8 SO* H
I*
LOL T8 Dimming PS* –
*Instant Start Standard
Other dimming options. Consult factory.
ITL40489
LIGHTOLIER
PLA2G9LS26U120SO
THIS REPORT IS BASED ON PUBLISHED INDUSTRY PROCEDURES • FIELD PERFORMANCE MAY VARY FROM LABORATORY PERFORMANCE.
A
Body Style:
A
=
Air Handling
/Static
Ordering Information
Explanation of Catalog Number. Example: PLA2G9LS26U120SOGLR
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