Lightolier 4R28 User Manual

Single Swivel Stem Multiple to Short Swivel Stem 3 Rods to Short Swivel Suspension Ext. Kits

Cat. No. Nominal OAL Cat. No. Nominal OAL Cat. No. Nominal OAL Cat. No. Nominal OAL

Specify Finish as Suffix: Specify Finish as Suffix: Specify Finish as Suffix: Specify Finish as Suffix:
PB or SB PB or SB PB or SB PB or SB

4SB115 15 3/16” (close-to-ceiling) 4ST228 28” 4ST428 28” 4SXT48 48”
4SB118 16 5/8” 4ST235 33 5/8” See Specification Sheet 4ST324 4SXT96 96”
4SB121 17 15/16” 4ST242 38 15/16”
4SB124 24 3/16” See Specification sheet 4ST228
4SB128 28”
4SB135 33 5/8”
4SB142 38 15/16”

See Specification
Sheet(s) 4SB115, 4SB124

Complete Luminaire Consists of Body and Suspension: Order Each Separately.

Catalog No. Finish Lamps Options

4R28442APBU Polished Brass 4-26 Triple Tube Compact Fluorescent D2 (26W, 120V only),
4R28442ASBU Satin Brass or 4-32 Triple Tube Compact Fluorescent E3 (347V), or EM

or 4-42 Triple Tube Compact Fluorescent Add Suffix to Cat.No.

7

5

4

3

1

2

Note: Drawing illustrates only one of the suspension
types available for this luminaire. For other drawings,
consult individual Suspension Specification Sheet num­bers as noted in Suspension chart(s) below.

Job Information Type:

Job Name:
Cat. No.:

Lamp(s):
Notes:

Lightolier a Genlyte company www.lightolier.com

631 Airport Road, Fall River, MA 02720 • [phone] • Fax [phone]
We reserve the right to change details of design, materials and finish.
© 2005 Genlyte Group LLC • C0605

Specifications

• Suspension Size: For optimum performance testing recommends OAL

(overall length) in proportion to the Body diameter or for close-to-ceiling
proportion length (see 4SB115, 4SB128, 4ST228, 4ST428). OAL is defined
from bottom of diffuser to ceiling plane.

• Stem Wires: Equipped with 120” of leads with keyed connectors

for quick connection to Body wiring.

Options & Accessories

D2 = Dimming Electronic Ballast, 26 Watt, 120V, only.

Replace Body Cat No. Suffix “U” with Suffix “D2”.

E3 = 347V (Canada)

Replace Body Suffix “U” with Suffix “E3”.

EM = Emergency Battery Pack

Add Suffix “EM” to Body Cat. No.
Multi-Level Switching: Prewired, consult wiring diagram.
Fusing: Consult Factory
Finishes: PB = Polished Brass, SB = Satin Brass

6

Architectural Decorative 4R28

Page 1 of 2 Pendalux Traditional 28" Diameter Body 4-26/32/42 Triple Tube

7"

45° Max.

28"

1 3/8"

Nominal OAL

6 5/16"

Architectural Decorative 4R28

Page 2 of 2 Pendalux Traditional 28" Diameter Body 4-26/32/42 Triple Tube

Lightolier a Genlyte company www.lightolier.com

631 Airport Road, Fall River, MA 02720 • [phone] • Fax [phone]
We reserve the right to change details of design, materials and finish.
© 2005 Genlyte Group LLC • C0605

Features

1. Diffusing Reflector: White translucent acrylic, 3/16” thick.

2. Inner Dirt Shield: White translucent acrylic, 1/8” thick.

3. Chassis: Steel 20 gauge, semi-gloss white powder-coat finish.

4. Suspension: Swivel (central) stem, 5/8” steel tube. Canopy, steel, 7” Dia.

fastened internally, no exposed hardware. Permits installation on ceilings
with slope of up to 45°. Complies with California Code.

5. Rods: Reflector Bowl is suspended from a central point on three 3/16”

steel tubes.

6. Lampholder: Multi-wattage, 4-pin, will accept either GX24q-3 or GX24q-4

lamp base.

7. Flange Trim: Steel 20 gauge, Plated or Painted finish.

Lamping (by others)

Compact Fluorescent: Triple Tube, 26, 32, or 42 Watts.

General Electric Osram/Sylvania Philips

26W Triple Tube 4-Pin (Amalgam) Compact Fluorescent Lamp
F26TBX/*/A/4 CF26DT/E/IN/* PL-T26W/*/4P/ALTO

32W Triple Tube 4-Pin (Amalgam) Compact Fluorescent Lamp
F32TBX/*/A/4P/EOL CF32DT/E/IN/* PL-T32W/*/4P/ALTO

42W Triple Tube 4-Pin (Amalgam) Compact Fluorescent Lamp
F42QBK/*/A/4P/EOL CF42DT/E/IN/* PL-T42W/*/4P/ALTO

*Manufacturers’ color temperature designation.

Electrical

Ballast: Electronic, 2-Lamp HPF, Class P, Programmed Start. Universal Voltage

120/277V, Multi-Wattage 26/32/42W.

4 Lamp 26 Watt 32Watt 42Watt

Voltage 120V 277V 120V 277V 120V 277V
Total Input Watts 112 110 138 134 182 180
Max. Line Current

(amps) 0.92

0.40 1.16 0.52 1.52 0.64

Power Factor >0.95 >0.95 >0.98 >0.98 >0.98 >0.98
Ballast Factor 1.02 1.02 1.00 1.00 0.98 0.98

THD<10% Minimum Starting Temperature: 0°F/-18°C

Mounting

Mounts directly to 4” outlet box, using crossbar hanger, supplied.

Labels

cULus Suitable for Damp Locations.

Application Data

28 Inch Diameter

30' x 30' x 10' Space

Luminaire Spacing: 10’ x 10’

Susp. Dist. 28”

4 Lamps 26W 32W 42W

TTT TTT TTT

Illum. (FC) Maint. 26 33 45

Lum. Ratio 15/1 15/1 14/1

Watts/Sq. Ft. 1.10 1.36 1.86

Reflectancies: 80% Ceiling, 50% Walls, 20% Floor.
Light Loss Factor = .75 (.88 BF x .85)
FC (footcandles) at 30” work plane.

Job Information Type:

ANGLE MEAN CP LUMENS
0 309
5 311 30
10 307
15 301 85
20 293
25 283 131
30 269
35 252 158
40 233
45 215 166
50 195
55 172 154
60 148
65 124 123
70 101
75 76 82
80 56
85 37 45
90 35

CERTIFIED TEST REPORT NO. 4R28442A

COMPUTED BY LSI PROGRAM **TEST-LITE**

LIGHTOLIER INDIRECT/DIRECT PENDANT FIXTURE

CAT. #4R28442APBU, 28” DIFFUSER

4-42W T/E OSRAM LAMPS. LUMEN RATING = 3200 LMS.

2-ADVANCE BALLAST #ICF-2S42-M2-LD, 120 VAC

TESTED ACCORDING TO IES PROCEDURES. TEST DISTANCE EXCEEDS FIVE

TIMES THE GREATEST LUMINOUS OPENING OF LUMINAIRE.

ANGLE MEAN CP LUMENS

90 35

95 169 236
100 494
105 819 845
110 1064
115 1245 1234
120 1417
125 1585 1408
130 1692
135 1744 1349
140 1785
145 1825 1146
150 1863
155 1875 862
160 1838
165 1755 491
170 1587
175 1471 146
180 1584

CANDLEPOWER SUMMARY

DATE: MAR. 1, 2001
PREPARED FOR:
LIGHTOLIER, FALL RIVER, MA

COEFFICIENTS OF UTILIZATION ZONAL CAVITY METHOD

%EFFECTIVE FLOOR CAVITY REFLECTANCE = .20

80 70 50 30 10

50 30 10 50 30 10 50 30 10 50 30 10 50 30 10 0

1 .58 .55 .53 .50 .48 .46 .37 .35 .34 .24 .23 .22 .12 .12 .12 .08
2 .50 .46 .43 .44 .41 .38 .32 .30 .28 .21 .20 .19 .11 .10 .10 .07
3 .44 .40 .36 .39 .35 .32 .28 .26 .24 .18 .17 .16 .09 .09 .08 .06
4 .39 .34 .30 .34 .30 .27 .25 .22 .20 .16 .15 .13 .08 .08 .07 .05
5 .34 .29 .26 .30 .26 .23 .22 .19 .17 .15 .13 .12 .08 .07 .06 .04
6 .31 .26 .22 .27 .23 .19 .20 .17 .15 .13 .11 .10 .07 .06 .05 .04
7 .27 .22 .19 .24 .20 .17 .18 .15 .13 .12 .10 .09 .06 .05 .05 .03
8 .25 .20 .16 .22 .17 .15 .16 .13 .11 .11 .09 .07 .06 .05 .04 .03
9 .22 .17 .14 .20 .16 .13 .14 .12 .10 .10 .08 .07 .05 .04 .04 .02

10 .20 .16 .13 .18 .14 .11 .13 .10 .08 .09 .07 .06 .05 .04 .03 .02

DETERMINED IN ACCORDANCE WITH CURRENT IES PUBLISHED PROCEDURES

ZONAL LUMENS AND PERCENTAGES

ZONE LUMENS % LAMP %LUMINAIRE
0-30 358 2.61 3.20
0-40 588 4.29 5.28
0-60 1046 7.80 9.59
0-90 1373 10.73 11.20
40-90 784 6.14 6.56
60-90 327 2.55 2.88
90-180 8040 62.81 88.80
0-180 9412 73.54 100.00

** EFFICIENCY = 73.5% **