Lightolier Prismalyte Plus PRA2GRFVA2FT, Prismalyte Plus PRA2GRFVA3FT Specification

Prismalyte Plus PRA2GRFVA2FT or 3FT

Page 1 of 2 2' x 2' Recessed Fluorescent, Floating Lens Frame, Black Reveal

Static or Air Supply/Return, 2 or 3 Lamp, Twin Tube T5

• 5" deep body.

• 2-9/16" lamp to lens for better lamp obscuration.

• 75.4% efficient (3 lamp TT5).

• Black housing exterior for cooler ballast operating temperature.

• Clean contoured interior.

• Eyeleted heat removal vents in fixture ends.

• Hemmed over side rails for maximum safety.

• Fixture ends turned-in for safe handling.

• Built-in earthquake clips.

• Door jamb finished black on four sides for positive light stop.

• True mitered corner aluminum lens frame.

• Spring loaded rooster head latches.

• 18 gauge steel hinges.

• 2 lamp TT5 available.

• Construction to meet NYC Code Requirements or Chicago Plenum is
available.

Mounting Methods Dimensions

exposed T-grid ceiling.

G

exposed slot T-grid ceiling.

T

1/4" max.

24"

drywall kit. (See options)

Type “G”

Fixture

Order Catalog Number: FK92X2.

1-1/2" max.

15/16"

or 1"

Support
(by others)

Drywall Kit

(See Options)

Drywall
(by others)

24"

1-7/8" max.

9/16"

24" (610mm)

24" (610mm)

Air supply slots
(PRA only)

3-1/2"

(89mm)

C

L

5"

(127mm)

2"x 2-1/2" access plate
with two K.O.s (7/8" dia.)

Job Information Type:

Job Name:

15-11/16"

(398mm)

5" (127mm)

5" (127mm)

23-7/8"

(606mm)

earthquake clip

before

installation

Lightolier is a Philips group brand

earthquake clip

installed

(lay-in grid)

Cat. No.:

Lamp(s):

Volts/Ballast:

For Factory 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.
www.lightolier.com © 2009 a Philips Group

Section 1A/Folio E20-34 Rev. A

09/09

Prismalyte Plus PRA2GRFVA2FT or 3FT

Page 2 of 2 2' x 2' Recessed Fluorescent, Floating Lens Frame, Black Reveal

Static or Air Supply/Return, 2 or 3 Lamp, Twin Tube T5

Photometry Model No. PRA2GRFVA3FT120X3

THIS REPORT IS BASED ON PUBLISHED INDUSTRY PROCEDURES • FIELD PERFORMANCE MAY VARY FROM LABORATORY PERFORMANCE.

LER = FP - 42.7 IW - 76.0 BF - 0.88
Comparative yearly lighting energy cost per 1000 lumens = $5.62

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

1 83 80 77 75 73 71 72 70 69
2 76 71 66 67 63 60 64 61 59
3 70 63 58 60 55 52 58 54 51
4 65 57 51 54 49 45 52 48 44
5 60 51 45 49 44 40 47 43 39
6 56 46 40 44 39 35 43 38 35
7 52 42 36 41 35 31 39 35 31

room cavity ratio

8 48 39 33 37 32 28 36 32 28
9 45 36 30 34 29 26 34 29 26

10 43 33 27 32 27 23 31 27 23

visual comfort probability (rated lumens per lamp 3150.)

room size ceiling height ceiling height

W L 8.5 10.0 13.0 16.0 8.5 10.0 13.0 16.0

20 20 44 47 53 60 42 46 51 58
20 30 37 40 44 49 34 38 42 47
20 40 34 36 40 43 31 33 37 41
20 60 31 33 35 39 28 30 32 36

30 20 45 49 53 58 44 48 51 57
30 30 38 41 44 48 35 39 42 46
30 40 34 36 39 42 31 34 37 40
30 60 31 33 34 37 28 30 31 35
30 80 31 32 32 34 27 29 29 32

40 20 47 51 54 58 46 50 53 58
40 30 39 42 45 49 37 41 44 47
40 40 35 37 40 42 32 35 38 40
40 60 32 34 34 37 29 31 32 35
40 80 31 32 32 34 28 29 29 32
40 100 32 32 31 32 29 29 28 30

60 30 40 44 46 50 39 43 45 49
60 40 36 38 40 43 34 36 38 42
60 60 33 34 34 37 30 32 32 35
60 80 32 32 32 34 29 30 29 32
60 100 32 32 30 32 29 29 28 30

100 40 39 41 42 45 38 40 41 45
100 60 36 37 36 39 34 35 35 38
100 80 35 35 33 35 32 32 31 34
100 100 35 34 32 33 32 31 29 30

luminaries lengthwise

luminaries crosswise

Ordering Information

Explanation of Catalog Number. Example: PRA2GRFVA3FTUNVI3

2

Prismalyte Plus:

Floating Lens Frame

Recessed Fluorescent

Troffer

PR

PK

PX

Options/Accessories

Special Lenses: Substitute VY for VA (standard) = .125" nominal pattern 12 with 7.8 oz. average

weight per square foot. Substitute VI for VA (standard) = .125" nominal pattern 12 with 6.8 oz.
average weight per square foot.
Radio Interference Filter:
SUFFIX: B..

Air Closure Strip: SUFFIX ACS2 (factory installed).
Electrical Wiring Options: Consult factory.
Drywall Kit: Order Catalog Number: FK92X2.

(Request Folio OA30-10 Rev. A).

Chicago Plenum: SUFFIX: C.

Specifications

Performance: In an installation of 3 lamp 40W luminaires in a room cavity ratio of 1,

reflectance 80% ceiling, 50% wall, 20% floor, the C.U. shall not be less than .71. To prevent
glare the VCP shall be not less than 36 either lengthwise or crosswise (at 100fc level) and
the average brightness at 65° shall not exceed 4656 candelas per square meter. To control
veiling reflections, luminaire output in the 30°-90° zone shall not be less than 66.2%.
Air Handling: (PRA only) side air passages for air supply or air return. Supply air is dis­charged vertically. Optional side closure strips. Air return is also provided through the lamp
compartment through fixture body ends.

Body Style:
A=Air

Handling

S=Static

Standard Prismalyte Plus

For NYC Code – I.B.E.W. Manufactured

For NYC Code – Local 3 Manufactured

To order one RIF per fixture; SUFFIX: R. To order one RIF per ballast;

Fixture

Width

Ceiling Type:

G= Grid

(lay-in T bar)

T= Slot grid or

two-directional
concealed T
see options)

RF

Lens Frame:

RF=1/2" regressed

floating aluminum
frame with 7/16"
black reveal four
sides.

FT

Lens Shielding

Type:

VA=Virgin acrylic

(standard), see
options and
consult factory

Specifications (continued)

Materials: Chassis parts are die-formed code gauge cold rolled steel. Housing

ing ends turned-in for safe handling.
Finish: Chassis exterior–black baked polyester enamel. Cavity–white baked polyester enamel minimum 86%
reflectance. Phosphate undercoating.
Lenses: VA (standard) extruded virgin acrylic, 3/16" square based female cones, running 45° to the panel edge,
.095" nominal thickness (similar to pattern 12). VY (optional) .125" nominal pattern 12 with 7.8 oz. average
weight per square foot. VI (optional) .125" nominal pattern 12 with 6.8 oz. average weight per square foot.
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

Lamp

Quantity

2=2 Lamp
3=3 Lamp

Lamp Type/

Fixture Length:

Twin Tube T5
(Nominal 24")

Note: For Linear
T5 Lamp option,

consult factory

Voltage:

120, 277 or

UNV=120-277

1 & 2 Lamp Elec. TT5 SB *

(40 Watt)

1-3 Lamp Elec. TT5 X3 *

(40 Watt)

LOL TT5 Dimming PB –

(40 Watt)
*Instant Start Standard
Other dimming options. Consult factory.

NOTE:

For TT5 UNV, you must use
Ballast Code.

Ballast Type:

<20THD <10THD

IB,I

with side rails hemmed over and hous-

3

Job Information Type:

For Factory 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.
www.lightolier.com © 2009 a Philips Group

Section 1A/Folio E20-34 Rev. A

Options:

Add appropriate suffix to

catalog no., ie: (C)

IB *

I3 *

Lightolier is a Philips group brand