Lightolier MPA2G78LS432 Indoor Furnishings User Manual


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PHOTOMETRY MODEL NO. MPA2G78LS432
coefficients of utilization — zonal cavity method
RF 20 20 20
RC 80 50 30
RW 70 50 30 50 30 10 50 30 10
1696765 636260 615958
2646057 575452 555351
3595450 514845 504744
4554844 464239 454139
5514439 423835 413734
6474035 383431 373330
7443631 353027 343027
8413328 322825 312724
9383026 292522 292522
10 36 28 23 27 23 20 27 23 20
visual comfort probability (VCP) average 100 fc; reflectances 80/50/20
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 84 78 72 77 82 75 67 73
20 30 86 81 76 73 82 79 72 67
20 40 86 81 80 76 82 79 76 71
20 60 86 82 80 79 82 79 76 75
30 20 85 82 73 75 82 80 70 73
30 30 86 85 77 71 82 83 74 67
30 40 86 85 81 75 82 83 78 71
30 60 86 85 81 78 83 83 78 75
30 80 86 85 81 78 83 83 78 75
40 20 85 82 75 76 82 80 72 74
40 30 86 85 80 72 82 83 77 69
40 40 86 85 82 76 83 83 80 73
40 60 87 85 82 79 83 83 80 76
40 80 87 85 82 79 83 83 80 76
40 100 87 85 82 79 83 83 80 76
60 30 86 85 80 75 83 83 77 73
60 40 86 85 82 78 83 83 80 76
60 60 87 85 82 81 83 83 80 77
60 80 87 85 82 80 83 83 80 78
60 100 87 85 82 80 83 83 80 77
100 40 87 85 82 78 83 83 80 76
100 60 87 85 82 80 83 83 80 77
100 80 87 85 82 80 83 83 80 77
100 100 87 85 82 80 83 83 80 77
room cavity ratio
luminaries lengthwise
luminaries crosswise
ORDERING INFORMATION
Explanation of Catalog Number. Example: MPA2G78LS432120O4RF
OPTIONS & ACCESSORIES
PLASTER FRAME: Catalog Number: PF24.
CONTINUOUS ROW INSTALLATION: For F type fixtures, half-width flanges
are required between fixtures. Order Catalog Number: S2FCTRIM (each joint).
SPLAY TRIM: For T ceiling type only. SUFFIX: CTZ24 S2 SPLAY TRIM.
RADIO INTERFERENCE FILTER: 120 or 277 volt, 50 or 60 Hz. One per fixture
standard. SUFFIX: RF.
ELECTRICAL/WIRING OPTIONS: Consult factory.
AIR CLOSURE STRIP: SUFFIX: ACS4 (factory installed).
DRYWALL KIT: Order Catalog Number: FK92X4. (Request Folio OA30-10)
CHICAGO PLENUM: SUFFIX: CP.
SPECIFICATIONS
PERFORMANCE: In an installation of 4 lamp 32W luminaires in a room cavity
ratio of 1, with reflectance of 80% ceiling, 50% wall, 20% floor, the C.U. shall
not be less than .67. To prevent glare the VCP shall be not less than 80 either
lengthwise or crosswise (at 100fc level) and the average brightness at 65° shall
not exceed 1098 candelas per square meter. To control veiling reflections,
luminaire output in the 30°-90° zone shall not be less than 64.8%.
AIR HANDLING (MPA only) side air passages for air supply or air return.
Supply air is discharged vertically. Optional side closure strips. Air return is also
provided through the lamp compartment through fixture body ends.
SPECIFICATIONS (continued)
MATERIALS: Chassis parts are die-formed code gauge cold rolled steel.
Housing is ribbed for rigidity with side rails hemmed over and housing ends
turned-in for safe handling. Louver is pre-anodized aluminum (Coilzak® or
equal).
FINISH: Chassis exterior–black baked polyester enamel. Cavity– white
baked polyester enamel minimum 86% reflectance. Phosphate undercoating.
Louver–low iridescence semi-specular anodized vertical grain aluminum reflec-
tor sheet is standard.
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.
MP
PARABAFFLE
1-1/2" PARABOLIC:
Pre-anodized
aluminum louver
BODY STYLE:
A=Air Supply
S=Static
2
FIXTURE
WIDTH
CEILING TYPE:
G= Grid
(lay-in T bar)
F=Flanged
(overlap)
Z spline and
plaster frame
T=Slot grid or
two-directional
concealed
T
(see options)
78
NUMBER OF
CELLS
LOUVER
FINISH*:
L= Low
Iridescence
Semi-specular
(standard)
P= Low
Iridescence
Specular
W=White Baked
Enamel
S
SINGLE
REFLECTOR
4
LAMP
QUANTITY
LAMP TYPE/
FIXTURE
LENGTH:
32=T8
34=T12
(Nominal 48")
VOLTAGE:
120 or 277
OPTIONS:
Add appropriate
suffix to catalog
no, ie: (RF)
BALLAST TYPE:
2-2 Lamp Mag. T12 LE
<20THD <10THD
2-2 Lamp Elec. T8 SO* HI*
1-4 Lamp Elec. T8 O4* H4*
LOL T8 Dimming PS –
*Instant Start Standard
Other dimming options. Consult factory.
Luminaire Efficacy Rating
LER-54.8 Watts-116.2 BF-0.86
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.
© 2002 Genlyte Thomas Group LLC (Lightolier Division)
A0902 SECTION 2/Folio G20-20
Job Information Type:
PARABAFFLE plus MPA2G78LS432
Page 2 of 2 2'x4' RECESSED FLUORESCENT, 1 1/2" DEEP, 78 CELL PARABOLIC LOUVER
STATIC OR AIR SUPPLY/RETURN, 4 LAMP, T8 OR T12
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