Lightolier LCS6G20LW154 User Manual

Lytecel Recessed Fluorescent LCS6G20LW154

Page 1 of 2 For Continuous Row Mounting, 6" Wide x 48", 20 Cell (1 Row) Parabolic Louver,

Air Return/Static, 1 Lamp T5, IES RP1 For VDT Areas

Features

• 48" long louver gives an uninterrupted louver appearance when
row mounted. Ideal for continuous row applications.

• 54.9% efficient (1 lamp) semi-specular louver.

• 58.2% efficient (1 lamp) specular louver.

• 1.6 spacing mounting ratio.

• Semi-specular or specular, low iridescence, pre-anodized
aluminum louver.

• Vertical grain on cross blades eliminates reflected lamp image.

• Spring loaded latches (self centering).

• Louver has protective dust guard.

• Only 5-1/2" deep body.

• Black housing exterior for cooler ballast operating temperature.

• UL-Listed twin knockout access plate.

• Meets NYC Code requirements.

• Construction to meet Chicago Plenum Code is available.

• Optional DALI ballast accepts digital dimming commands from
computers, scene controllers and automatic control devices.

Mounting Methods Dimensions

exposed T-grid ceiling.

G

exposed slot T-grid ceiling.

T

6"

Screw

Side Rail

coupler/clamp (LC85 CLAMP)
(Order for end of row)

Screw

2" max.

15/16"

or

9/16"

End of Row
Fixture

Continuous
Row Coupler

Fixture

Hold-down
Clip

Hold-down
Clip

6"

Fixture

Continuous
Row Coupler

2" max.

9/16"

Hold-down
Clip

5-1/2"

(139mm)

LC6
End
Trim

End Trim

4-1/4" (108mm)

6" (162mm)

7-3/8"

(187mm)

2" x 2-1/2" Access Plate
with (2) 7/8" K.O.s

required for
beginning and
end of row.
Order Catalog
Number:

LC6 END TRIM

1-3/4" (44mm)

39-1/4" (997mm)

48"

(1220mm)

Job Information Type:

Job Name:

Cat. No.:

48"

(1220mm)

(1220mm)

Joint of Two Units

Air Return Slots
(LCA only)

48"

Side

continuous row coupler locks fixtures together for a continuous line of light
without cell configuration interruption (supplied with fixture)

Rail

NOTE:

If product is to be mounted individually,
use LI series, Folio G07-38.

3/07

Hold-down
Clip

Lamp(s):

Volts/Ballast:

Lightolier a Genlyte company www.lightolier.com

Technical Information: [phone] • Fax [phone]
631 Airport Road, Fall River, MA 02720 • [phone] • Fax [phone]
We reserve the right to change details of design, materials and finish.
© 2007 a Genlyte company

Section 2/Folio G07-44

Lytecel Recessed Fluorescent LCS6G20LW154

Page 2 of 2 For Continuous Row Mounting, 6" wide x 48", 20 Cell (1 Row) Parabolic Louver,

Air Return/Static, 1 Lamp T5, IES RP1 For VDT Areas

Model No. LCS6G20LW154120PG

LER = FP - 40.3 IW - 59.0 BF - 1.0
Comparative yearly lighting energy cost per

1000 lumens = $5.95

Report Number: G1206004
Catalog Number: LCS6G20LW154120PG
Lamp: F54 T5HO
Luminaire: 6" wide Troffer with semi­specular louver.
Ballast: Advance ICN-2S54
Report is based on 4400 Lumens per lamp.
Efficiency: 54.9%

CIE Type-Direct-Indirect
Plane: 0-Deg 90-Deg
Spacing Criteria: 1.2 1.6
Shielding Angles: 90 90
Plane: 0-Deg 90-Deg
Luminous Length: 47.943 5.816

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 61 60 58 56 55 54 54 53 52
2 57 54 51 51 49 47 49 48 46
3 53 49 45 47 44 42 45 43 41
4 50 44 40 42 39 37 41 38 36
5 46 40 36 39 35 33 38 35 32
6 43 37 32 35 32 29 34 31 29
7 40 33 29 32 29 26 32 28 26
8 37 31 27 30 26 24 29 26 23
9 35 28 24 27 24 21 27 24 21

10 33 26 22 25 22 19 25 22 19

LUMINANCE DATA IN CANDELA/SQ. METER

AVERAGE AVERAGE AVERAGE AVERAGE

IN DEG. 0-DEG. 45-DEG. 90-DEG.

45 4954. 6726. 3485.
55 3605. 2128. 1068.
65 264. 401. 278.
75 63. 84. 135.
85 41. 69. 124.

0

CANDELA DISTRIBUTION

0.0 45.0 90.0 FLUX

0 1040 1040 1040

5 1059 1075 1113 102

15 978 1069 1124 302

25 900 1081 1412 514

35 792 1193 1432 711

45 630 856 443 523

55 372 220 110 227

65 20 30 21 29

75 3465

85 1122

90 011

TYPICAL V.C.P.'s

Mounting Height

Room Luminaires Luminaires

Size 0 Deg Plane 90 Deg Plane

30x30 89 85 84 76 96 93 92 84
40x40 89 86 85 81 96 93 93 87
60x30 80 86 85 79 96 93 92 85
60x60 89 86 84 81 96 94 93 88

100x100 89 86 84 82 96 95 94 88

ZONAL LUMEN SUMMARY

ZONE LUMENS % LAMP % FIXT

00-030 918 20.9 38.0
00-040 1629 37.0 67.5
00-060 2379 54.1 98.5
00-090 2414 54.9 100.0

90-180 0000 0.0 000.0

00-180 2414 54.9 100.0

Lengthwise Crosswise

8.5 10 8.5 10 8.5 10 8.5 10

Model No. LCS6G20PW154120PG

LER = FP - 43.4 IW - 59.0 BF - 1.0
Comparative yearly lighting energy cost per

1000 lumens = $5.53
Report Number: G1206005
Catalog Number: LCS6G20PW154120PG
Lamps: F54 T5HO
Luminaire: 6" wide Troffer with specular
louver.
Ballast: Advance ICN-2S54
Report is based on 4400 Lumens per lamp.

Efficiency: 58.2%
CIE Type-Direct-Indirect

Plane: 0-Deg 90-Deg
Spacing Criteria: 1.2 1.6
Shielding Angles: 90 90
Plane: 0-Deg 90-Deg
Luminous Length: 47.943 5.816

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 65 63 61 60 58 57 57 56 55
2 61 57 54 54 52 50 52 51 49
3 57 52 48 49 46 44 48 45 43
4 53 47 43 45 41 39 44 41 38
5 49 43 38 41 37 34 40 37 34
6 45 39 34 37 34 31 36 33 30
7 42 35 31 34 30 28 33 30 27
8 39 32 28 31 28 25 31 27 25
9 37 30 25 29 25 22 28 25 22

10 35 28 23 27 23 20 26 23 20

LUMINANCE DATA IN CANDELA/SQ. METER

AVERAGE AVERAGE AVERAGE AVERAGE

IN DEG. 0-DEG. 45-DEG. 90-DEG.

45 5251. 7583. 3387.
55 4318. 2106. 923.
65 10. 397. 242.
75 14. 75. 159.
85 45. 103. 192.

0

CANDELA DISTRIBUTION

0.0 45.0 90.0 FLUX

0 1052 1052 1052

5 1082 1101 1094 103

15 1029 1102 1130 306

25 927 1090 1491 532

35 829 1350 1617 782

45 668 965 431 568

55 446 217 95 244

65 1 30 18 20

75 1374

85 1232

90 011

TYPICAL V.C.P.'s

Mounting Height

Room Luminaires Luminaires

Size 0 Deg Plane 90 Deg Plane

30x30 87 76 78 75 96 93 93 84
40x40 87 76 78 79 97 93 93 87
60x30 87 76 78 79 96 93 93 85
60x60 88 77 79 79 96 94 94 88

100x100 88 77 79 79 95 94 95 89

ZONAL LUMEN SUMMARY

ZONE LUMENS % LAMP % FIXT

00-030 942 21.4 36.8
00-040 1724 39.2 67.3
00-060 2536 57.6 99.0
00-090 2563 58.2 100.0

90-180 0000 0.0 000.0

00-180 2942 51.6 100.0

Lengthwise Crosswise

8.5 10 8.5 10 8.5 10 8.5 10

Ordering Information

Explanation of Catalog Number. Example: LCS6G20LW154120PG

20

Number of

Cells:

1 row of

20 cells

Louver Finish:

L=Low

Iridescence
Semi-

P=Low

Iridescence
S

pecular

LC:

Lytecel 6"

Continuous

Louver

Appearance

Standard Lytecel

LC

For NYC Code – Local 3 Manufactured

LN

Body Style:

A =Air Return
S =Static

6

Fixture

Width

Ceiling Type:
G = 9/16" or

15/16"Grid

T = Slot Grid

Options/Accessories

Access Plate: Top Wiring access plate is shipped with fixture

access plates are required in advance for wiring convenience, specify separately.
Order Catalog Number: ACP5 CSP.
Coupler/Clamp: (Set of 2) Required for beginning of rows.
Order Catalog Number: LC85 CLAMP (for G or T type)
End Trim: Required at beginning and end of rows. For every row order (2).
Order Catalog Number: LC6 END TRIM.

Electrical/Wiring Options: Consult factory.
EM Pack or Dimming Ballast: Consult factory.
Fusing: Internal fast-blow fusing. Suffix: GLR.

Internal slow-blow fusing. Suffix: GMF.

Chicago Plenum: Suffix: CP.

as standard. When

Specifications

Performance: In an installation of 1 lamp 54W semi-specular luminaires in a

room cavity ratio of 1, reflectance 80% ceiling, 50% wall, 20% floor, the C.U.
shall not be less than .60 with a spacing to mounting ratio of 1.6 perpendicular
to the lamps. To meet IES RP-1 for VDT areas the VCP (visual comfort
probability) shall not be less than 89 either crosswise or lengthwise and the
candela value between 55° and 90° in the 0° to 90° planes shall not exceed

3605. Candelas at Nadir (0°) not to exceed 1040.

1

Lamp

Quantity:

(By others)

1=1 Lamp

Lamp Fixture

Length:

28=T5
54=T5HO

(Nominal 48")

Voltage:

120, 277 or

UNV=120-277

Ballast Type:

1 Lamp 28w Elec. T5 –PI††
1 Lamp 28w Elec. T5 – PG††
1 Lamp 54w Elec. T5 – PG††

††Program Rapid Start (UNV only)
DA=DALI digital addressable dimming.

Add appropriate
suffix to catalog

no, ie: (GLR)

<20THD <10THD

specular

W

Reflector:
W

=White

Specifications (continued)

Air Handling–(LCA only) Side air passages for air return.
Materials: Chassis parts are die-formed cold rolled steel.
Louver: Pre-anodized aluminum (Coilzak®or equal).
Finish: Louver—specular or semi-specular low iridescence pre-anodized

reflector sheet. Reflector: White baked polyester enamel. 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.
This product may have a mercury containing lamp. Manage in accord with
Disposal Laws. See: www.lamprecycle.org

Job Information Type:

Lightolier a Genlyte company www.lightolier.com

Technical Information: [phone] • Fax [phone]
631 Airport Road, Fall River, MA 02720 • [phone] • Fax [phone]
We reserve the right to change details of design, materials and finish.
© 2007 a Genlyte company

Section 2/Folio G07-44

Options: