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For Factory Technical Information: (978) 657-7600 • Fax (978) 658-0595
631 Airport Road, Fall River, MA 02720 • (508) 679-8131 • Fax (508) 674-4710
We reserve the right to change details of design, materials and finish.
www.lightolier.com © 2008 a Philips Group

Section 5/Folio M33-30

Job Information  

Type:

Lightolier is a Philips group brand

HP90 Semi 

HDS2GLW1FT

Page 2 of 2

Direct/Indirect Semi-Recessed Fluorescent

2' x 2' with Acrylic Linear Prismatic Lens, 1 Lamp TT5

Ordering Information

Explanation of Catalog Number. Example: HDS2GLW1FTUNVPR

Options/Accessories

Fusing:

Internal fast blow fusing: SUFFIX: 

A

.

Internal slow blow fusing: SUFFIX: 

C

.

Drywall Kit: 

Order Catalog Number: 

FK92X2

.

Electrical Wiring Options:

Emergency Packs are only avalable for remote mounting.

Consult factory.

For motion or light sensor:

See Folio OA20-10.

Specifications

Performance:

In an installation of 1 lamp 40W luminaires in a room cavity

ratio of 1, with reflectance 80% ceiling, 50% wall, 20% floor, the C.U. shall not
be less than .78. To reduce glare the average brightness at 65° shall not exceed
2439 candelas per square meter. To control veiling reflections, luminaire output
in the 30°-90° zone shall not be less than 76.5%. 

Materials: Chassis parts

are die-formed code gauge steel.

Lamp Shield:

Linear prismatic translucent DR acrylic lens.

Finish: Chassis exterior

– Soft white post painted polyester powder. 

Cavity

Soft white post painted polyester powder. Rust preventative undercoating.

Reflector

– Soft white post painted polyester powder.

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°.
UL Listed for damp locations.

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

HD

Options:

Add appropriate
suffix to catalog

no., ie: (A)

HP90

Direct/Indirect

Semi-Recessed

S

Body Style:

= Static

2

Fixture

Width

G

Ceiling Type:

Fits both

Standard Grid

and

Slot Grid

L

Acrylic Lens

FT

Lamp:

(By Others)

W

Reflector:

White

1

Lamp

Quantity

1

=1 Lamp

Ballast Type:

<

20THD

<

10THD

1 Lamp Elec. TT5

SB*

I

B*

*

(40 Watt)

1 Lamp Elec. TT5

PR†

(40 Watt)

1 Lamp Elec. TT5

BE

*

(50 Watt)

1 Lamp Elec. TT5

BF

*

(55 Watt)

LOL Dimming TT5

PB

*Instant Start Standard.
Other dimming options. Consult factory.

NOTE:

For TT5 40W 

UNV

, you must use IB or PR Ballast Code.

†Program Rapid Start

0.0

45.0

90.0

FLUX

0

737

737

737

5

731

734

736

70

15

699

712

722

201

25

640

669

694

308

35

556

604

646

377

45

449

519

582

399

55

321

425

511

376

65

183

333

428

317

75

81

246

341

242

85

17

174

277

172

90

3

115

208

Model No. HDS2GLW1FTUNVPR

LER = FP - 64.1      IW - 38.4      BF - 1.0
Comparative yearly lighting energy cost per

1000 lumens = $3.74

Report Number: G2008239
Catalog Number: HDS2GLW1FTUNVPR
Lamps: (1) F40 TT5
Luminaire: HP90 Semi-Recssed 2' x 2' with

linear prismatic lens.

Ballast: ICN-2TTP40-SC
Report is based on 3150 Lumens per lamp.

Efficiency: 78.2%

CIE Type-Direct-Indirect
Plane:

0-Deg

90-Deg

Spacing Criteria:

1.2

1.4

Shielding Angles:

90

90

Plane:

0-Deg

90-Deg

Luminous Length:

23.040

23.040

CANDELA DISTRIBUTION

AVERAGE AVERAGE AVERAGE AVERAGE

IN DEG.

0-DEG.

45-DEG.

90-DEG.

45

1687.

1949.

2186.

55

1431.

1895.

2278.

65

1043.

1897.

2439.

75

667.

2026.

2808.

85

267.

2735.

4353.

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

0

1 83 78 74 73 70 67 70 67 65

0

2 75 67 61 63 58 54 60 56 53

0

3 68 59 52 55 49 45 53 48 44

0

4 62 52 44 49 42 38 47 41 37

0

5 57 46 39 43 37 32 42 36 32

0

6 52 41 34 39 33 28 38 32 28

0

7 49 37 30 36 29 25 34 29 25

0

8 45 34 27 32 26 22 31 26 22

0

9 42 31 25 30 24 20 29 24 20

10 40 29 22 28 22 18 27 22 18

ZONE

LUMENS % LAMP

% FIXT

0

0-

0

30

579

18.4

23.5

0

0-

0

40

957

30.4

38.8

0

0-

0

60

1723

55.0

70.3

0

0-

0

90

2463

78.2

100.0

90-180

000

0

0.0

00

0.0

0

0-180

2463

78.2

100.0

ZONAL LUMEN SUMMARY

Voltage:

120, 277 or

UNV

=120-277

Reviews: