Louver IC Series
Page 1 of 2 2' x 2' Recessed Fluorescent, 3" 9 or 16 Cell Parabolic Louver
Static, 2-6" U Lamp T8
• UL Listed Type IC Recessed Luminaire
(Intended for Direct Thermal Insulation Contact).
• Construction provides optimum thermal performance.
• Ballast mounted with thermal heat sink.
• Ideal for fire rated ceilings.
• One piece housing.
• Black exterior for cooler ballast operating temperature.
• 5" deep body.
• 66.2% efficient
• Hemmed over side rails for maximum safety.
• Fixture ends turned-in for safe handling.
• Built-in earthquake clips (patent no. 5,072,344).
• Pre-anodized aluminum parabolic louver.
• Spring loaded rooster head latches.
• 18 gauge steel hinges.
• Louver has protective film dust guard.
• Vertical grain louver eliminates reflected lamp images on cross baffle.
• Construction to meet NYC Code or Chicago Plenum requirements
is available.
Mounting Methods Dimensions
exposed T-grid ceiling.
G
1/4" max.
24"
drywall kit.
Type “G”
Fixture
Order Catalog Number: FK92X4.
1-1/2" max.
15/16"
or 1"
Support
(by others)
Drywall Kit
(See Options)
Drywall
(by others)
exposed slot T-grid ceiling.
T
24"
1-7/8" max.
9/16"
•
3" Nominal
•
5"
(127mm)
24" (610mm)
C
L
2"x 2-1/2" access plate
with two K.O.s (7/8" dia.)
15-11/16"
(398mm)
(127mm)
23-7/8"
(606mm)
5"
Lightolier is a Philips group brand
Job Information Type:
Job Name:
Cat. No.:
Lamp(s):
Volts/Ballast:
For Factory 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.
www.lightolier.com © 2008 a Philips Group
SECTION 7/Folio Q80-15
08/08
Louver IC Series
Page 2 of 2 2' x 2' Recessed Fluorescent, 3" 9 or 16 Cell Parabolic Louver
Static, 2-6" U Lamp T8
Model No. ICS2G9LS26U120SO
LER = FP - 53.4 IW - 57.2 BF - 0.87
Comparative yearly lighting energy cost per
1000 lumens = $4.49
Report Number: G00027
Catalog Number: ICS2G9LS26U120S0
Lamp: (2) F32 T8
Luminaire: IC 2' X 2' Troffer with 3X3
Spectular Louver
Ballast: M2-RN-T81LL-D-120
Report is based on 2750 Lumens per lamp.
Efficiency: 66.2%
CIE Type-Direct-Indirect
Plane: 0-Deg 90-Deg
Spacing Criteria: 1.2 1.2
Shielding Angles: 23 23
Plane: 0-Deg 90-Deg
Luminous Length: 21.720 21.720
COEFFICIENTS OF UTILIZATION –
ZONAL CAVITY METHOD. EFFECTIVE
FLOOR CAVITY REFLECTANCE 0.20
RC 80 50 30
RW 70 50 30 50 30 10 50 30 10
1 73 71 69 67 65 63 64 63 61
2 68 63 59 60 57 54 57 55 53
3 62 56 51 53 49 46 51 48 46
4 57 50 45 48 43 40 46 43 40
5 53 45 40 43 38 35 42 38 35
6 49 41 35 39 34 31 38 34 31
7 45 37 31 35 31 27 35 30 27
8 42 34 28 32 28 25 32 27 24
9 40 31 26 30 25 22 29 25 22
10 37 29 24 28 23 20 27 23 20
LUMINANCE DATA IN CANDELA/SQ. METER
AVERAGE AVERAGE AVERAGE AVERAGE
IN DEG. 0-DEG. 45-DEG. 90-DEG.
45 4686. 4497. 5416.
55 4147. 4557. 5917.
65 1779. 2378. 2502.
75 312. 353. 367.
85 161. 202. 161.
0
CANDELA DISTRIBUTION
0.0 45.0 90.0 FLUX
0 1552 1552 1552
5 1545 1546 1556 147
15 1465 1501 1530 423
25 1341 1353 1369 625
35 1165 1132 1146 716
45 943 905 1090 743
55 677 744 966 683
65 214 286 301 271
75 23 26 27 30
85 4545
90 000
TYPICAL V.C.P.'s
Room Luminaires Luminaires
Size 0 Deg Plane 90 Deg Plane
30x30 75 69 60 57 72 66 57 53
40x40 80 74 67 60 77 71 64 57
60x30 79 74 67 61 76 71 64 58
60x60 82 78 72 65 80 75 70 63
100x100 85 82 78 72 84 80 76 70
ZONAL LUMEN SUMMARY
ZONE LUMENS % LAMP % FIXT
00-030 1195 21.7 32.8
00-040 1911 34.7 52.5
00-060 3336 60.7 91.6
00-090 3643 66.2 100.0
90-180 0000 0.0 000.0
00-180 3643 66.2 100.0
Mounting Height
Lengthwise Crosswise
8.5 10 13 16 8.5 10 13 16
Ordering Information
Explanation of Catalog Number. Example: ICS2G9LS26UUNVHI
S
IC Series:
Recessed
Parabolic
suitable for
Thermal
Insulation
Contact
IC
IY
IX
Options/Accessories
Plaster Frame: Catalog Number: PF24.
Radio Interference Filter:
Fusing: Internal fast-blow fusing. SUFFIX A. Internal slow-blow fusing. SUFFIX C.
Electrical Wiring Options: Consult factory.
Drywall Kit: Order Catalog Number: FK92X4. (Request Folio OA30-10 Rev. A).
Chicago Plenum: SUFFIX: C.
Specifications
Performance: In an installation of 2 lamp 31W luminaires in a room cavity ratio of 1,
reflectance 80% ceiling, 50% wall, 20% floor, the C.U. shall not be less than .71. To prevent
glare the VCP shall be not less than 63 either lengthwise or crosswise (at 100fc level) and
the average brightness at 65° shall not exceed 2502 candelas per square meter. To control
veiling reflections, luminaire output in the 30°-90° zone shall not be less than 67.2%.
Materials: Chassis parts are die-formed code gauge cold rolled steel. Housing
rigidity with side rails hemmed over and housing ends turned-in for safe handling.
pre-anodized aluminum.
Body Style:
S=Static
Standard IC Parabolic
For NYC Code – I.B.E.W. Manufactured
For NYC Code – Local 3 Manufactured
To order one RIF per fixture; SUFFIX: R.
To order one RIF per ballast; SUFFIX: B.
2
Fixture
Width
5½" Deep Body
Ceiling Type:
G= Grid
(lay-in T bar)
T= Slot grid
Number of
Cells:
9=3 rows
of 3
16=4 rows
of 4
is ribbed for
Louver Finish:
L = Low iridescence
Semi-specular
(standard)
P = Low iridescence
Specular
W =White Baked
Enamel
Louver is
S
Single "V"
Reflector
Specifications (continued)
Finish: Chassis exterior–black baked polyester enamel. Cavity–white baked polyester enamel minimum 86%
reflectance. Rust preventative undercoating. Louver–low iridescence semi-specular anodized vertical grain aluminum reflector 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.
This product may have a mercury containing lamp.
Manage in accord with Disposal Laws.
See: www.lamprecycle.org
2
Lamp
Quantity
2=2 lamps
6U
Lamp Type/
Fixture Length:
6"U T8
2 Lamp Only
(Nominal 24")
Voltage:
120, 277 or
UNV=120-277
1-2 Lamp Elec. T8 SO * H
LOL T8 Dimming PS –
*Instant Start Standard
Other dimming options, consult factory.
NOTE:
For T8 UNV, you must use HI Ballast Code.
Ballast Type:
<20THD <10THD
-
I *
Options:
Lamps
Flex
EM Pack
Fuse
(Consult your
representative)
Job Information Type:
For Factory 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.
www.lightolier.com © 2008 a Philips Group
SECTION 7/Folio Q80-15
Lightolier is a Philips group brand