Lightolier LL4MF8LR254 User Manual

Mounting Methods/Features

Dimensions

Job Information Type:

Job Name:

Cat. No.:

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.
© 2005 a Genlyte company
A0902 Section 5/Folio K35-12

Features

• Downlight surface/pendant.

• Softly rounded corners and edges create a subtle architectural
appearance.

• 48" and 96" modular lengths without end caps.

• 48" long louver gives an uninterrupted louver appearance when row
mounted.

• No visible fasteners.

• Self-aligning ends for hairline joints in continuous row mounting.

• Efficiency 68.7% (8 cell). Efficiency 62.2% (12 cell).

• Spacing ratio 1.5 (8 cell and 12 cell).

• 20 gauge body.

• Die-cast aluminum end caps.

• Pre-anodized low iridescence semi-specular aluminum parabolic
louver with protective film dust bag (standard).

• 95% reflective specular aluminum top reflector.

• Spring-loaded latches.

• Bead safety chain allows louver to be suspended safely for
relamping.

• Meets New York City requirements.

Lytecel Linear LL4MF8LR254

Page 1 of 2 Downlight, Surface/Pendant, 4-5/8" Deep, 8-9/16" Wide

48" or 96" Nominal Lengths

(Without End Caps), 2 Lamp T5

2/05

48" (1219mm)

4-1/4"

(108mm)

50-3/4" (1289mm)

8-9/16"
(217mm)

1" (25.4mm)

5/8" Dia.

K.O.s 2 places

98-3/4" (2508mm)

8-9/16"

(219mm)

7/8" Dia. K.O.s 4 places

7-1/4" (184mm)

96" (2438mm)

4-1/4" (108mm)

1" (25.4mm)

4-1/4" (108mm)

7/8" Dia. K.O.s 8 places

3-5/8" (92mm)

7-1/4" (184mm)

39-1/2" (1003mm)

39-1/2" (1003mm)

5/8" Dia. K.O.s 4 places

1"

(25.4mm)

1" (25.4mm)

6-1/2" (165mm)

8-9/16" (217mm)

4-5/8"

(118mm)

Chrome Pendant mounting stem sets
(Optional). Catalog Number: 18048

Slide Grip Hanger, two provided with
Individual Fixture (48") length, one provided
with Joiner Fixture (96" length). Catalog
Number: LLF SLIDE GRIP.

Chrome Pendant mounting stem extension
(Optional). Catalog Number: 18148.

End cap, two provided with Individual Fixture
(48") length), none provided with Joiner Fixture
(96" length). Catalog Number: LLF END CAP.

Canopy and Single Cable, adjustable 6" to 60".
Canopy is white. Catalog Number: WC60.

Canopy, Straight Cord and Single Cable
adjustable 6" to 60". Canopy, Straight Cord is
white. Catalog Number: WCC60.

Canopy, Coiled Cord, Single Cable adjustable
6" to 60". Canopy, Coiled Cord is white.
Catalog Number: WCCC60.

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.
© 2005 a Genlyte company
A0902 Section 5/Folio K35-12

Job Information Type:

Options/accessories

Stem Sets: 1/2” diameter tubing, 18” long, chrome plated finish. Catalog
Number: 18048.
Stem Extension Kit: 1/2" diameter tubing, 18” long, chrome plated finish
extension. Catalog Number: 18148.
Single Cable and Canopy. Catalog Number: WC60.
Single Cable, Straight Cord and Canopy. Catalog Number: WCC60.
Single Cable, Coiled Cord and Canopy. Catalog Number: WCCC60.
Electrical Wiring Options: Consult factory.
Fusing: Internal fast-blow fusing. Suffix: GLR.

Internal slow-blow fusing. Suffix: GMF.

Specifications

Performance: In an installation of 2 lamp 54W Iuminaires with a room cavity

ratio of 1, with reflectance 80% ceiling, 50% wall, 20% floor, the C.U. shall be not
less than .74. Candelas at 65° shall not exceed 182 (8 cell). To control veiling
reflections, Iuminaire output in the 30°- 90° zone shall be not less than 68.5%.
Materials: Chassis parts are die-formed 20 gauge code cold rolled steel, End
caps are die-cast aluminum with soft rounded corners.

Specifications (continued)

Louver: Pre-anodized aluminum (Coilzak®or equal).
Finish: Louver–low iridescence semi-specular anodized aluminum (standard).
Chassis exterior–semi-gloss (standard) flat acrylic-white baked enamel,
Cavity–white baked enamel. Phosphate undercoating.
Electrical: Thermally protected class “P” ballast, 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.

LL

Lytecel
Linear:

Surface/
Pendant

with 3”

Deep Parabolic

Precision

Contoured

Pre-Anodized

Aluminum Louver

Fixture
Length:

4 = Nominal 48"
8 = Nominal 96"

Number
of Cells:

8= 1 row of 8

12= 1 row of 12

(48” Length)

R

2

Lamp

Quantity*

Lamp Type/

Fixture Length:
54=HO/T5,54 Watt
28=T5, 28 Watt

(Nominal 46")

Options:

Add appropriate
suffix to catalog

no, ie: (GLR)

Lytecel Linear LL4MF8LR254

Page 2 of 2 Downlight, Surface/Pendant, 4-5/8" Deep, 8-9/16" Wide,

48" or 96" Nominal Lengths

(Without End Caps), 2 Lamp T5

Model No. LL4MF8LR254120PG (8 Cell)

LER = FP - 63.3 IW - 109 BF - 1.00
Comparative yearly lighting energy cost per

1000 lumens = $3.79

Ordering Information

Explanation of Catalog Number. Example: LL4MF8LR254120PGGLR *8' units have lamps in tandem

Ballast Type:
PG=Programmed Start
PI=Linear T5 Instant Start

Less Than 10THD

Report Number: G2005017
Catalog Number: LL4MF8LR254120PG
Lamp: FP54/835 HO
Luminaire: LL4 with reflector,

8 cell louver

Ballast: B254PUNV-D

109.0 Watts
Report is based on 5000 Lumens per lamp.

Efficiency: 68.7%
CIE Type-Direct-Indirect

Plane: 0-Deg 90-Deg
Spacing Criteria: 1.2 1.5
Shielding Angles: 65 55
Plane: 0-Deg 90-Deg
Luminous Length: 48.000 6.480

0.0 45.0 90.0 FLUX

0 2219 2219 2219

5 2206 2319 2395 223

15 2123 2511 2574 695

25 1966 2604 3306 1245

35 1734 2957 3933 1816

45 1297 2713 2750 1775

55 733 1316 508 886

65 114 167 106 182

75 39 28 21 34

85 11 7 5 9

90 0000

CANDELA DISTRIBUTION

0

AVERAGE AVERAGE AVERAGE AVERAGE

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

45 9137. 19113. 19373.
55 6366. 11429. 4412.
65 1344. 1968. 1249.
75 751. 539. 404.
85 629. 400. 286.

LUMINANCE DATA IN CANDELA/SQ. METER

COEFFICIENTS OF UTILIZATION –

ZONAL CAVITY METHOD. EFFECTIVE
FLOOR CAVITY REFLECTANCE 0.20

0

RC 80 50 30

RW 70 50 30 50 30 10 50 30 10

01777472706866676664
02716663636057615856
03666055575350555249
04615348514743494643
05565843464238454138
06524438423734413633
07484034383330373330
08453631353027343026
09423328322724312724

10 39 30 25 29 25 22 29 24 21

ZONE LUMENS % LAMP % FIXT

00-030 2163 21.6 31.5
00-040 3980 39.8 58.0
00-060 6641 66.4 96.7
00-090 6866 68.7 100.0

90-180 0000 00.0 000.0

00-180 6866 68.7 100.0

ZONAL LUMEN SUMMARY

Model No. LL4MF12LR254120PG (12 Cell)

LER = FP - 56.8 IW - 109 BF - 1.00
Comparative yearly lighting energy cost per

1000 lumens = $4.23

Report Number: G2005014
Catalog Number: LL4MF12LR254120PG
Lamp: FP54/835 HO
Luminaire: LL4 with reflector,

12 cell louver

Ballast: B254PUNV-D

109.0 Watts
Report is based on 5000 Lumens per lamp.

Efficiency: 62.2%
CIE Type-Direct-Indirect

Plane: 0-Deg 90-Deg
Spacing Criteria: 1.2 1.5
Shielding Angles: 65 55
Plane: 0-Deg 90-Deg
Lumen Length: 48.000 6.480

0.0 45.0 90.0 FLUX

0 2239 2239 2239

5 2235 2288 2336 221

15 2154 2457 2493 682

25 1985 2589 3372 1246

35 1624 2963 3894 1779

45 1165 2421 2569 1606

55 295 850 389 555

65 86 85 63 97

75 31 24 14 26

85 8647

90 0 0 00

CANDELA DISTRIBUTION

0

AVERAGE AVERAGE AVERAGE AVERAGE

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

45 8207. 17056. 18098.
55 2562. 7382. 3378.
65 1014. 1002. 743.
75 597. 462. 269.
85 457. 343. 229.

LUMINANCE DATA IN CANDELA/SQ. METER

COEFFICIENTS OF UTILIZATION –

ZONAL CAVITY METHOD. EFFECTIVE
FLOOR CAVITY REFLECTANCE 0.20

0

RC 80 50 30

RW 70 50 30 50 30 10 50 30 10

01706765636261616059
02656158585553565452
03605551524946514846
04564945474441464340
05524540433936423836
06484136393532383432
07453732363229353128
08413429332926322825
09393126302623292623

10 36 29 24 28 24 21 27 23 21

ZONE LUMENS % LAMP % FIXT

00-030 02149 21.5 34.6
00-040 03928 39.3 63.2
00-060 6089 60.9 97.9
00-090 6219 62.2 100.0

90-180 0000 00.0 000.0

00-180 6219 62.2 100.0

ZONAL LUMEN SUMMARY

Body

Finish:

F =White
B =Black

Top

Reflector:

R=

95% Reflective
Aluminum Top
Reflector

Voltage:

120 or 277

UNV=Universal

Voltage
120-277

Body Style:

M = Individual

Module

J = Joiner

Module

Louver Finish:

L = Low Iridescence

Semi-specular
(standard)

P = Low Iridescence

Specular

W=White