Sidelyte Recessed Fluorescent SIS2GPF228 or 254

Page 2 of 2

Direct/indirect 2' x 4' with Perforated Baskets Static, 2 Lamp T5

Model No. SIS2GPF228120PI

LER = FP - 55.0 IW - 55.7 BF - 0.93 Comparative yearly lighting energy cost per

1000 lumens = $4.36

Report Number: G2005287

Catalog Number: SIS2GPF228120PI

Lamps: FP28/835

Luminaire: SIS 2'x4' with 2 perforated side baskets.

Ballast: Ultrasave

Report is based on 2750 Lumens per lamp. Efficiency: 59.6%

CIE Type-Direct-Indirect

 

 

 

 

Plane:

 

 

 

 

0-Deg

 

90-Deg

Spacing Criteria:

 

 

1.2

 

 

1.3

Shielding Angles:

 

 

90

 

 

90

Plane:

 

 

 

 

0-Deg

 

90-Deg

Luminous Length:

 

46.920

 

22.920

COEFFICIENTS OF UTILIZATION –

 

 

ZONAL CAVITY METHOD. EFFECTIVE

 

FLOOR CAVITY REFLECTANCE 0.200

 

RC

 

80

 

 

50

 

 

30

 

RW

70

50

30

50

30

10

50

30

10

01

64

61

58

57

55

53

55

53

51

02

58

53

48

49

46

43

47

44

42

03

52

46

41

43

39

35

41

38

35

04

48

40

35

38

33

30

37

33

29

05

44

36

30

34

29

26

33

29

25

06

40

32

27

31

26

22

29

25

22

07

38

29

24

28

23

20

27

23

20

08

35

27

21

25

21

18

25

20

17

09

33

24

19

23

19

16

23

19

16

10

31

22

18

22

17

14

21

17

14

LUMINANCE DATA IN CANDELA/SQ. METER

AVERAGE AVERAGE AVERAGE AVERAGE

IN DEG.

0-DEG. 45-DEG. 90-DEG.

45

1267.

1430.

1587.

55

1120.

1464.

1753.

65

914.

1650.

2161.

75

785.

2110.

2717.

85

562.

727.

810.

CANDELA DISTRIBUTION

 

0.0

45.0

90.0

FLUX

0

1060

1060

1060

 

5

1056

1052

1054

 

15

1002

1008

1019

285

25

906

928

953

428

35

779

822

869

515

45

622

702

779

541

55

446

583

698

517

65

268

484

634

465

75

141

379

488

358

85

34

44

49

69

90

0

0

0

 

 

 

 

 

 

ZONAL LUMEN SUMMARY

ZONE

LUMENS

% LAMP

% FIXT

00-030

0813

14.8

24.8

00-040

1328

24.1

40.5

00-060

2387

43.4

72.8

00-090

3279

59.6

100.0

90-180

0000

0.0

000.0

00-180

3279

59.6

100.0

Model No. SIS2GPF254120PG

LER = FP - 44.5 IW - 122.62 BF - 1.0 Comparative yearly lighting energy cost per

1000 lumens = $5.39

Report Number: G2005288

Catalog Number: SIS2GPF254120PG

Lamps: T5 HO 54W

Luminaire: SIS 2'x4' with 2 perforated side baskets.

Ballast: QT 2X54/120PHO

Report is based on 4400 Lumens per lamp. Efficiency: 61.6%

CIE Type-Direct-Indirect

 

 

 

 

Plane:

 

 

 

 

0-Deg

 

90-Deg

Spacing Criteria:

 

 

1.2

 

 

1.3

Shielding Angles:

 

 

90

 

 

90

Plane:

 

 

 

 

0-Deg

 

90-Deg

Luminous Length:

 

46.800

 

22.800

COEFFICIENTS OF UTILIZATION –

 

 

ZONAL CAVITY METHOD. EFFECTIVE

 

FLOOR CAVITY REFLECTANCE 0.200

 

RC

 

80

 

 

50

 

 

30

 

RW

70

50

30

50

30

10

50

30

10

01

66

63

60

59

57

55

57

55

53

02

60

54

50

51

47

44

49

46

43

03

54

47

42

44

40

37

43

39

36

04

50

42

36

39

35

31

38

34

30

05

45

37

31

35

30

27

34

30

26

06

42

33

28

32

27

23

31

26

23

07

39

30

25

29

24

20

28

23

20

08

36

27

22

26

22

18

25

21

18

09

34

25

20

24

20

16

23

19

16

10

32

23

18

22

18

15

22

18

15

LUMINANCE DATA IN CANDELA/SQ. METER

AVERAGE AVERAGE AVERAGE AVERAGE

IN DEG.

0-DEG. 45-DEG. 90-DEG.

45

2109.

2382.

2645.

55

1861.

2441.

2924.

65

1515.

2756.

3621.

75

1290.

3540.

4550.

85

0866.

1166.

1300.

CANDELA DISTRIBUTION

 

0.0

45.0

90.0

FLUX

0

1757

1757

1757

 

5

1749

1745

1745

166

15

1658

1670

1687

472

25

1500

1536

1578

709

35

1287

1360

1438

852

45

1027

1160

1288

895

55

735

964

1155

856

65

441

802

1054

771

75

230

631

811

594

85

52

70

78

109

90

5

7

9

 

 

 

 

 

 

ZONAL LUMEN SUMMARY

ZONE

LUMENS

% LAMP

% FIXT

00-030

1347

15.3

24.86798

00-040

2198

25.0

40.5

00-060

3949

44.9

72.8

00-090

5422

61.6

100.0

90-180

0000

0.0

000.0

00-180

5422

61.6

100.0

Ordering Information

Explanation of Catalog Number. Example: SIS2GPF228120PIGLR

SI S

Body Style:

S= Static

Sidelyte:

Direct/Indirect

Recessed with

Perforated Mesh

Shield

2

Fixture

Width

G P

Ceiling Type

Perforated

 

Lamp Shield

F

Single

White

Reflector

2

Lamp

Lamp

Quantity:

(By Others)

2=2 Lamp

28=28W T5

 

54=54W T5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Voltage:

 

 

 

Options:

120, 277 or

 

 

Add appropriate

UNV=120-277

 

 

suffix to catalog

 

 

 

 

 

 

 

no., ie: (GLR)

 

 

Ballast

Type:

 

 

 

 

1-2 Lamp 28W Elec. T5

<20THD <10THD

 

PI

1-2 Lamp 28W Elec. T5

 

PG ††

1-2 Lamp 54W Elec. T5

 

PG ††

† Instant Start (120, 277)

†† Program Rapid Start (UNV only)

Options/Accessories

Fusing: Internal fast-blow fusing. SUFFIX GLR.

Internal slow-blow fusing. SUFFIX GMF.

Drywall Kit: Order Catalog Number: FK92X4.

Specifications

Performance: In an installation of 2 lamp 28W luminaires in a room cavity ratio of 1, with reflectance 80% ceiling, 50% walls, 20% floor, the C.U. shall not be less than .61. To reduce glare the average brightness at 65° shall not exceed 2161 candelas per square meter. To control veiling reflections, luminaire output in the 30°-90° zone shall not be less than 75.2%.

Materials: Chassis parts are die-formed code gauge cold rolled steel. Housing side rails hemmed over and housing ends are turned-in for safe handling.

Lamp Shields: 22 gauge steel perforated mesh lamp shield with white acrylic overlay.

Finish: Chassis exterior–black baked polyester enamel. Cavity–white baked polyester enamel minimum 86% reflectance. Phosphate undercoating.

Lamp Shield: Baked flat white acrylic enamel.

Specifications (continued)

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.

Job Information

Type:

 

 

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.

© 2006 a Genlyte company

Section 5/Folio M17-15

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Lightolier SIS2GPF228, SIS2GPF254 dimensions Ordering Information, Options/Accessories, Specifications, Job Information

SIS2GPF254, SIS2GPF228 specifications

Lightolier, a renowned name in the lighting industry, introduces the SIS2GPF254 and SIS2GPF228 fixtures, designed to meet the evolving needs of modern architectural and commercial spaces. These products reflect the brand's commitment to innovation, aesthetics, and efficiency in lighting solutions.

The SIS2GPF254 is tailored for spaces requiring a balance of elegance and performance. With a robust yet sleek design, this fixture is ideal for both high ceilings and expansive areas such as auditoriums, lobbies, and retail environments. The SIS2GPF228, on the other hand, is optimized for smaller spaces, offering a more compact yet powerful lighting solution. Its versatility makes it suitable for offices, conference rooms, and corridors.

One of the standout features of both models is their utilization of advanced LED technology. This not only ensures significant energy savings compared to traditional lighting options but also extends the lifespan of the fixtures. The SIS2GPF254 and SIS2GPF228 are equipped with dimming capabilities, allowing users to adjust brightness levels to create the desired ambiance. This feature is particularly beneficial in settings where mood and atmosphere play a crucial role, such as restaurants and hospitality venues.

Another notable characteristic of these fixtures is their high Color Rendering Index (CRI), which surpasses 90. This ensures that colors appear more vibrant and true to life, enhancing the visual appeal of any space. Whether in a retail environment showcasing products or an office setting where color accuracy is essential, these fixtures provide exceptional performance.

In terms of installation, the SIS2GPF254 and SIS2GPF228 models offer flexible mounting options, making them easy to integrate into existing designs or new constructions. Their lightweight construction allows for effortless handling, reducing installation time and costs.

Both fixtures are built with durability in mind, featuring high-quality materials that withstand the test of time and are resistant to various environmental factors. Additionally, they are designed with sustainability in focus, further reducing their environmental impact.

In conclusion, the Lightolier SIS2GPF254 and SIS2GPF228 fixtures stand out in the lighting market for their combination of style, advanced technology, and energy efficiency. They are ideal choices for architects, designers, and building owners seeking to enhance their spaces while prioritizing sustainability and cost-effectiveness.