background image

Coffaire 

II

Recessed Fluorescent

CFH2GPF228 or 254

Page 2 of 2

Direct/Indirect – 2' x 4' with Perforated Basket

Air Return/Static, 2 Lamp T5

Job Information

Type:

Ordering Information

Explanation of Catalog Number. Example: CFH2GPF228120WA

Options/Accessories

Fusing:

Internal fast blow fusing: SUFFIX:

GLR

.

Internal slow blow fusing: SUFFIX:

GMF

.

Drywall Kit: 

Order Catalog Number: 

FK92X4

and 

CF4FK SPACER

.

Electrical Wiring Options:

Consult factory.

Specifications

Performance:

In an installation of 2 lamp 28W luminaires in a room cavity

ratio of 1, with reflectance 80% ceiling, 50% wall, 20% floor, the C.U. shall not
be less than .68. To reduce glare the average brightness at 65° shall not exceed
1690 candelas per square meter. To control veiling reflections, luminaire output
in the 30°-90° zone shall not be less than 73.4%. 

Materials: Chassis parts

are die-formed code gauge steel.

Lamp Shield:

22 gauge steel perforated mesh lamp shield with white acrylic

overlay.

Finish: Chassis exterior

– baked white polyester enamel. 

Cavity

– baked flat

white polyester enamel. 

Reflector

– baked flat white polyester enamel, mini-

Specifications (continued)

mum 86% reflectance. Phosphate undercoating. 

Lamp Shield

– baked flat

white acrylic enamel.

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.

Options:

Add appropriate

suffix to catalog

no., ie: (GLR)

Coffaire 

II

:

Direct/

Indirect:

Recessed

with Perforated

Mesh Shield

Body Style:

= Air Return

= Static

2

Fixture

Width

G

Ceiling Type:

Fits both

Standard Grid

and

Slot Grid

P

Perforated

Lamp

Shield

Lamp:

(By Others)

28

=28W T5

54

=54W T5

(Nominal 48")

F

Flat

White 

Reflector

2

Lamp

Quantity

2

=2 Lamp

Ballast Type:

<

20THD

<

10THD

1-2 Lamp 28W Elec. T5

P

1-2 Lamp 28W Elec. T5

PG ††

1-2 Lamp 54W Elec. T5

PG ††

Linear T5 Instant Start

WA

less than 10THD,
57.5 Input Watts,
0.93 Ballast Factor

†Instant Start (120, 277 or 

UNV

)

††Program Rapid Start (

UNV

only)

0.0

45.0

90.0

FLUX

0

1151

1151

1151

5

1143

1146

1150

109

15

1091

1108

1125

313

25

999

1038

1076

479

35

871

940

997

586

45

714

814

880

622

55

531

661

730

578

65

333

476

492

441

75

163

206

199

213

85

32

34

34

40

90

2

2

2

Model No. CFH2GPF228120WA

LER = FP - 57.2

IW - 54.9

BF - 0.93

Comparative yearly lighting energy cost per

1000 lumens = $4.20

Report Number: G2004258
Catalog Number: CFH2GPF228120WA
Lamps: F28T5
Luminaire: CFH 2'x4' with perforated

basket

Ballast: WA
Report is based on 2600 Lumens per lamp.

Efficiency: 65.0%

CIE Type-Direct-Indirect
Plane:

0-Deg

90-Deg

Spacing Criteria:

1.2

1.3

Shielding Angles:

55

65

Plane:

0-Deg

90-Deg

Luminous Length:

46.800

22.800

CANDELA DISTRIBUTION

0

AVERAGE AVERAGE AVERAGE AVERAGE

IN DEG.

0-DEG.

45-DEG.

90-DEG.

45

1466.

1672.

1807.

55

1344.

1673.

1848.

65

1144.

1636.

1690.

75

915.

1156.

1116.

85

533.

566.

566.

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 71 68 65 64 62 60 61 59 58

0

2 64 59 55 55 52 49 53 51 48

0

3 59 52 46 49 45 41 47 43 40

0

4 54 46 40 43 39 35 42 38 34

0

5 49 41 35 39 34 30 37 33 30

0

6 45 37 31 35 30 26 34 29 26

0

7 42 33 27 32 27 23 31 26 23

0

8 39 30 25 29 24 21 28 24 20

0

9 36 28 22 27 22 19 26 22 18

10 34 26 20 25 20 17 24 20 17

ZONE

LUMENS % LAMP

% FIXT

0

0-

0

30

901

17.3

26.6

0

0-

0

40

1487

28.6

44.0

0

0-

0

60

2687

51.7

79.4

0

0-

0

90

3382

65.0

100.0

90-180

000

0

0.0

00

0.0

0

0-180

3382

65.0

100.0

ZONAL LUMEN SUMMARY

Model No. CFH2GPF254120PG

LER = FP - 50.7

IW - 123.2

BF - 1.00

Comparative yearly lighting energy cost per

1000 lumens = $0.00

Report Number: G2004261
Catalog Number: CFH2GPF254120PG
Lamps: FP54/835
Luminaire: Coffaire direct/indirect with

perforated basket

Ballast: QT2X54/120
Report is based on 4400 Lumens per lamp.

Efficiency: 70.8%

CIE Type-Direct-Indirect
Plane:

0-Deg

90-Deg

Spacing Criteria:

1.2

1.3

Shielding Angles:

55

65

Plane:

0-Deg

90-Deg

Luminous Length:

46.920

22.920

0.0

45.0

90.0

FLUX

0

2082

2082

2082

5

2069

2073

2078

197

15

1986

2006

2035

568

25

1834

1885

1947

871

35

1621

1711

1803

1072

45

1354

1488

1593

1143

55

1040

1212

1324

1071

65

690

878

905

828

75

323

388

373

401

85

63

67

65

78

90

0

0

0

CANDELA DISTRIBUTION

0

AVERAGE AVERAGE AVERAGE AVERAGE

IN DEG.

0-DEG.

45-DEG.

90-DEG.

45

2759.

3032.

3246.

55

2612.

3044.

3326.

65

2352.

2993.

3085.

75

1798.

2160.

2076.

85

1041.

1108.

1075.

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 77 74 71 69 67 65 66 65 63

0

2 70 64 59 60 57 53 58 55 52

0

3 64 56 50 53 48 44 51 47 44

0

4 58 50 43 47 42 348 45 41 37

0

5 53 44 38 42 37 32 40 36 32

0

6 49 40 33 38 32 28 37 32 28

0

7 46 36 30 34 29 25 33 28 25

0

8 42 33 27 31 26 22 30 26 22

0

9 40 30 24 29 24 20 28 23 20

10 37 28 22 27 22 18 26 21 18

ZONE

LUMENS % LAMP

% FIXT

0

0-

0

30

1636

18.6

26.3

0

0-

0

40

2708

30.8

43.5

0

0-

0

60

4921

55.9

79.0

0

0-

0

90

6229

70.8

100.0

90-180

000

0

0

0.0

00

0.0

0

0-180

6229

70.8

100.0

ZONAL LUMEN SUMMARY

Lightolier 

a Genlyte company

www.lightolier.com

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.
© 2005 a Genlyte company

Section 5/Folio M15-40

Voltage:

120, 277 or

UNV

=120-277

CF

Standard Coffaire 

II

CY

For NYC Code – I.B.E.W. Manufactured

CN

For NYC Code – Local 3 Manufactured

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