Lightolier 4A28 User Manual

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 shaded cells). OAL is defined from bottom of diffuser
to ceiling plane.

• Stem Wires: Equipped with 120” of leads with keyed connector for quick

connection to Body wiring.

Options & Accessories

D2 = Dimming Electronic Ballast, 26 Watt, 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 SN = Satin Nickel

Architectural Decorative 4A28

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

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 • B0605

Single Swivel Stem Multiple Swivel Stem Suspension Extension Kits

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

Specify Finish as Suffix: PB, SN Specify Finish as Suffix: PB, SN Specify Finish as Suffix: PB, SN

4SB115 15 3/16” (close-to-ceiling) 4SB224 24 3/16” 4SXT48 48”
4SB118 16 5/8” 4SB228 28” 4SXT96 96”
4SB121 17 15/16” 4SB235 33 5/8”
4SB124 24 3/16” 4SB242 38 15/16”
4SB128 28” See Specification Sheet 4SB224.
4SB135 33 5/8”
4SB142 38 15/16”

See Specification Sheet(s) 4SB115, 4SB124

Complete Luminaire consists of Body and Suspension: Order each separately.

Body Cat. No. Finish Lamps Options

4A28442APBU Polished Brass 4-26 Triple Tube Compact Fluorescent D2 (26W, 120V only),
4A28442ASNU Satin Nickel or 4-32 Triple Tube Compact Fluorescent E3 (347V), or EM

or 4-42 Triple Tube Compact Fluorescent Add suffix to cat. no.

Note: Drawing above 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.

7"

45"
Max.

4

3

2

5

1

28"

1 3/8"

Nomina. OAL

6 3/16"

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, 3/4” steel tube. Canopy, 7” Dia., fas-

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

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

lamp base.

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/4P CF26DT/E/IN/* PL-T26W/*/4P

32W Triple Tube 4-Pin (Amalgam) Compact Fluorescent Lamp

F32TBX/*/A/4P CF32DT/E/IN/* PL-T32W/*/4P

42W Triple Tube 4-Pin (Amalgam) Compact Fluorescent Lamp

F42QBK/*/A/4P CF42DT/E/IN/* PL-T42W/*/4P

*Manufacturers’ color temperature designation.

Electrical

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

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

4 Lamps 26 Watt 32Watt 42Watt

Voltage 120V 277V 120V 277V 120V 277V
Total Input Watts 110 110 140 140 186 186
Max. Line Current (amps) 1.11 0.48 1.40 0.60 0.60 0.80
Power Factor >0.98 >0.98 >0.98 >0.98 >0.99 >0.99
Ballast Factor 1.02 1.02 0.96 0.96 0.95 0.95

THD<10% Minimum Starting Temperature: -5°F/-20°C

Mounting

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

Labels

cULus listed suitable for damp locations.

Application Data

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

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) 30 41 54
Maint.
Lum. 8/1 8/1 9/1
Ratio
Watts/ 1.10 1.36 1.86
Sq. Ft.

Architectural Decorative 4A28

Page 2 of 2 Pendalux Cirrus 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 • B0605

Job Information Type:

ROOM CAVITY RATIO

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 .68 .65 .63 .60 .57 .54 .44 .42 .41 .29 .28 .27 .15 .15 .14 .08
2 .59 .55 .51 .52 .48 .45 .38 .35 .33 .25 .24 .22 .13 .13 .12 .07
3 .52 .47 .42 .46 .41 .37 .33 .30 .28 .22 .21 .19 .12 .11 .10 .06
4 .46 .40 .36 .40 .35 .32 .30 .26 .24 .20 .18 .16 .10 .10 .09 .05
5 .40 .35 .30 .36 .31 .27 .26 .23 .20 .18 .15 .14 .09 .08 .08 .04
6 .36 .30 .26 .32 .27 .23 .24 .20 .17 .16 .14 .12 .08 .07 .07 .04
7 .32 .26 .22 .28 .23 .20 .21 .18 .15 .14 .12 .10 .08 .06 .06 .03
8 .38 .29 .19 .26 .21 .17 .19 .16 .13 .13 .11 .09 .07 .06 .05 .03
9 .36 .26 .17 .23 .18 .15 .17 .14 .11 .12 .09 .08 .06 .05 .04 .02

10 .33 .24 .15 .21 .16 .13 .16 .12 .10 .11 .08 .07 .06 .05 .04 .02

DETERMINED IN ACCORDANCE WITH CURRENT IES PUBLISHED PROCEDURES

ANGLE MEAN CP LUMENS

0 395

5 394 38
10 389
15 382 108
20 372
25 360 166
30 342
35 321 201
40 297
45 272 211
50 247
55 221 198
60 193
65 165 165
70 141
75 116 123
80 92
85 71 78
90 53

ANGLE MEAN CP LUMENS

90 53

95 121 199
100 433
105 834 871
110 1193
115 1470 1453
120 1722
125 1912 1704
130 2053
135 2149 1656
140 2203
145 2215 1386
150 2192
155 2178 1005
160 2136
165 1949 546
170 1666
175 1624 159
180 1756

CERTIFIED TEST REPORT NO. 4A28442

COMPUTED BY LSI PROGRAM **TEST-LITE**

LIGHTOLIER INDIRECT/DIRECT PENDANT FIXTURE

CAT. #4A28442APBU, HOUSING COVER WITHOUT FLANGE, 28” DIFFUSER

4-42W PLT TRIPLE TUBE PHILIPS 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.

ZONE LUMENS % LAMP %LUMINAIRE
0-30 311 2.43 3.03
0-40 512 4.01 5.00
0-60 920 7.20 8.97
0-90 1287 10.06 12.54
40-90 774 6.05 7.55
60-90 366 2.86 3.57
90-180 8978 70.15 87.46
0-180 10266 80.21 100.00

** EFFICIENCY = 80.2% **

CANDLEPOWER SUMMARY

ZONAL LUMENS AND PERCENTAGES

DATE: OCT. 4, 2000
PREPARED FOR:
LIGHTOLIER, FALL RIVER, MA