Lightolier PS20 User Manual

■ Ideal for schools, offices or stores.

■ Direct/Indirect or direct.

■ Prismatic DR acrylic lens.

■ 45% downlight. 55% uplight.

■ 84% efficient.

■ 2.0 spacing to mounting ratio.

■ Lens hinges from either side.

■ Optional spread top lens.

■ Cold rolled steel top reflector available for

downlight only.

■ Can be pendant or surface mounted.

■ Can be stem or cable mounted at fixture

joints.

■ 20 gauge steel housing.

■ 18 gauge steel fixture ends.

■ 22 gauge perforated steel side reflectors

with translucent white acrylic liner,
available.

■ Flat white acrylic baked enamel (post
painted).

■ Meets NYC Code requirements.

EYE-QL SERIES

EYE-QL INDIRECT/DIRECT OR DIRECT

SUSPENDED/SURFACE FLUORESCENT LUMINAIRE
LINEAR PRISMATIC LENS
48" LENGTH, 2 LAMP T8
96" LENGTH, 2 LAMP T8 IN TANDEM

MOUNTING METHODS DIMENSIONS

3-3/4”

(95mm)

11/16” Dia. K.O. (2 Places)

7/8” Dia. K.O.

9/32” Dia. Mounting Hole

(Typical 3 Places)

14-1/4”

(362mm)

41-3/4” (1060mm)

Lens hinges from either side.
Safety chain is standard.

9/32” Dia. Mounting Hole (2 Places)

1-3/4” x 2” flush K.O. easy
tear-out for thru wiring.

FIXTURE TYPE VOLTS

8-15/16” (227mm)

28-1/2” (724mm)

41-3/4” (1060mm)

48” (1219mm)

7/8” Dia. K.O.

(Typical 2 Places)

96” (2438mm)

11/16” Dia. K.O.

(Typical 2 Places)

9-3/4”

(248mm)

3-1/8”

(79mm)

9-3/4”

(248mm)

3-1/8”

(79mm)

Slide Grip Hanger can be
used at joint or along channel.
(Can not be used with cold
rolled steel top reflector)
Order Catalog Number

EY SLIDE GRIP.

Coupler required for

continuous row mounting.
Order Catalog Number

EY COUPLER.

JOB INFORMATION:

SECTION 5/Folio K50-10

EYE-QL SERIES

PHOTOMETRY MODEL NO. EYS4LFX232120SO

EYS4LFX232120SO

SUSPENDED/ SURFACE FLUORESCENT

coefficients of utilization — zonal cavity method (effective floor cavity reflectance 0.20)

RF 20 20 20
RC 80 50 30

RW 70 50 30 50 30 10 50 30 10

1817774 585654 474645
2736762 514845 413937
3675952 454137 363331
4615245 393532 322926
5564639 353027 292522
6514134 312723 262219
7473730 282420 232017
8443327 262118 211715

room cavity ratio

9403024 231916 191613

10 38 27 21 21 17 14 18 14 12

TYPICAL MOUNTING METHOD STEM OR CABLE

INDIRECT/DIRECT OR DIRECT

ORDERING INFORMATION

Explanation of Catalog Number. Example: EYS4LFX232120SOGLR

EY

EYE-Q:

Suspended/

Surface

Fluorescent

Luminaire

SIDE:
S=Solid
P=Perforated

FIXTURE
LENGTH:

4=48”
8=96”

L

SHIELDING:

L=Lens

OPTIONS/ACCESSORIES
STEM AND CANOPY SETS: Suspend fixture

6”, 12”, 18” or 24” from surface. Catalog
Number: ASC6 CSP (6”), ASC12 CSP (12”),

ASC18 CSP (18”), ASC24 CSP (24”).
FUSING: Internal fast-blow fusing. Suffix: GLR.

Internal slow-blow fusing. Suffix: GMF.

F

FINISH:

F= Flat White

(standard)

X=No Reflector

(Uplight/Downlight)

S=Top Reflector

(Downlight Only)

L=Lens Top Reflector

EMERGENCY PACK: Factory-installed
emergency power battery pack with
charger and inverter, LP400 or equal, 120
or 277 volt. Suffix: LP400.

MOUNTING:

96"

(2438mm)

2

LAMP

QUANTITY

(Nominal 48”)

2-Lamps

(Nominal 96”)

2-Lamps in tandem

(4 lamps)

96"

(2438mm)

96"

(2438mm)

(2438mm)

32

VOLTAGE:

120 or 277

LAMP/TYPE:

32 Watt T8

1-2 Lamp Elec. (T8) SO* H
1-4 Lamp Elec. (T8) O4 H4*

2-2 Lamp Elec. (T8) SO* H

*Instant Start Standard
For dimming options. Consult factory.

BALLAST:

(8' only)

(8' only)

CABLE HANGERS: Adjustable 6"-60"
Single Cable and Canopy: Catalog Number
WC60.
Single Cable, Straight Cord and Canopy:
Catalog Number WCC60.
Single Cable, Coil Cord and Canopy:
Catalog Number WCCC60.

Add appropriate
suffix to catalog

no., ie: (GLR)

<20THD <10THD

96"

OPTIONS:

I*

I*

SPECIFICATIONS:

MATERIALS: Housing is die-formed 20 gauge cold rolled

steel with full length channel for thru wiring.
Fixture Ends: 18 gauge cold rolled steel with 1-3/4” x 2”
flush K.O. for thru wiring.

Lens: Linear prismatic DR acrylic (high impact).
Side Reflectors: Solid or perforated 22 gauge cold rolled

steel (optional).
FINISH: Post painted white acrylic baked enamel.

We reserve the right to change design, materials and finish in any way that will not alter installed appearance or reduce function and performance.

A Genlyte Thomas Company

ELECTRICAL: Electronic instant start (<20 THD) thermally

protected class “P” HPF non PCB, UL Listed, CSA Certified
ballast for T8 lamps. If K.O. is within 3” of ballast, use wire
suitable for 90°.
LABELS: I.B.E.W./UL and ULc Listed.

TECHNICAL INFORMATION • [phone]
631 AIRPORT ROAD, FALL RIVER, MA 02720 • [phone]
C.F.I. DIVISION OF CANLYTE, INC.
525 EDUCATION ROAD, CORNWALL, ONTARIO
CANADA K6H 6C7 • [phone]

PRINTED IN USA 3/02