Lightolier C4P20GD specifications Calculite CFL Open Downlight 

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Calculite® CFL Open Downlight  8023

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Quick Calculator

ROOM SURFACE REFLECTANCES:

 

 

FOOTCANDLES

60

80% Ceiling; 50% Wall; 20% Floor

50

2400 Lumens Per Lamp

RCR= 1 (Rm. Width= 10xMtg. Ht. above work plane)

 

 

40

RCR= 5 (Rm. Width= 2xMtg. Ht. above work plane)

 

RCR=10 (Rm. Width= Mtg. Ht. above work plane)

INITIAL

30

 

20

 

 

 

 

10

 

 

10

 

20

30

40

50

60

70

 

 

 

AREA PER FIXTURE IN SQUARE FEET

 

 

2

3

4

5

6

 

7

 

8

CENTER TO CENTER DISTANCE OF FIXTURES IN FEET

This quick calculator chart determines the number and spacing of 1 It.- 32W PL-T units with white cross blade, for any level of illumination.

Conversion Factors: 32W PLT with Aluminum Cross Blade, f.c. x 0.7; 26W PLT with white cross blade, f.c. x 0.8; 26W with Aluminum Cross Blade, f.c. x 0.6.

Spacing Ratio = 1.1

CERTIFIED TEST REPORT NO. 0194FR COMPUTED BY LSI PROGRAM **TEST-LITE**

CALCULITE 5 3/4" DIA. APERTURE RECESSED FLUORESCENT CROSS BLADE DOWNLIGHT WITH WHITE CROSS BLADE 1-32W PL-T COMPACT FLUORESCENT LAMP.

LUMEN RATING = 2400 LMS. TESTED ACCORDING TO IES PROCEDURES. TEST DISTANCE EXCEEDS FIVE TIMES THE GREATEST LUMINOUS OPENING OF LUMINAIRE.

8 3/4" Aperture Triple Tube Vertical Lamp

180

150

120

 

ACROSS

 

 

45

 

 

ALONG

 

 

 

90

200

 

60

 

 

400

 

 

600

 

 

0

 

30

** EFFICIENCY = 33.5% **

 

Coefficients Of Utilization

 

 

CANDLEPOWER

 

 

ANGLE

ALONG 22.5

45

67.5 ACROSS LUMENS

0

593

593

593

593

593

 

5

575

575

580

584

585

55

10

536

538

541

549

558

 

15

487

485

491

522

542

142

20

436

427

439

478

506

 

25

377

366

388

425

460

184

30

309

301

325

366

402

 

35

228

233

254

279

308

163

40

166

178

185

192

214

 

45

128

133

126

129

146

105

50

93

93

92

97

104

 

55

73

73

74

79

84

69

60

58

58

59

64

68

 

65

45

45

47

51

53

48

70

34

35

36

39

40

 

75

24

24

26

28

29

28

80

15

16

17

18

20

 

85

7

7

8

10

11

10

90

3

2

3

4

4

 

ZONAL LUMENS AND PERCENTAGES

ZONE

LUMENS

% LAMP

%LUMINAIRE

0-30

 

380

15.86

 

47.31

0-40

 

544

22.67

 

67.61

0-60

 

718

29.93

 

89.28

0-90

 

804

33.53

100.00

40-90

 

260

10.86

 

32.39

60-90

 

86

 

3.59

 

10.72

90-180

 

0

 

.00

 

.00

0-180

 

804

33.53

100.00

 

 

 

 

% EFFECTIVE CEILING CAVITY REFLECTANCE

 

 

 

 

 

 

 

80

 

 

70

 

 

 

50

 

 

 

30

 

 

10

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

% WALL REFLECTANCE

 

 

 

 

 

 

 

 

 

50

30

10

50

30

10

 

50

30

10

 

50

30

10

50

30

10

0

 

 

 

 

 

1

.36

.35

.34

.36

.35

.34

 

.34

.34

.33

 

.33

.32

.32

.32

.31

.31

.30

RATIO

2

.33

.32

.30

.33

.31

.30

 

.31

.30

.29

 

.31

.30

.29

.30

.29

.28

.27

3

.30

.28

.27

.30

.28

.27

 

.29

.28

.26

 

.28

.27

.26

.27

.26

.25

.25

 

 

 

CAVITY

4

.28

.26

.24

.28

.26

.24

 

.27

.25

.24

 

.26

.25

.24

.26

.24

.23

.23

6

.24

.22

.20

.24

.22

.20

 

.23

.21

.20

 

.23

.21

.20

.22

.21

.20

.19

 

5

.26

.24

.22

.26

.23

.22

 

.25

.23

.22

 

.24

.23

.21

.24

.22

.21

.21

ROOM

7

.22

.20

.18

.22

.20

.18

 

.21

.19

.18

 

.21

.19

.18

.21

.19

.18

.17

8

.21

.18

.17

.20

.18

.17

 

.20

.18

.17

 

.20

.18

.17

.19

.18

.16

.16

 

9

.19

.17

.15

.19

.17

.15

 

.19

.17

.15

 

.18

.16

.15

.18

.16

.15

.15

 

10

.18

.16

.14

..18

.16

.14

 

.17

.15

.14

 

.17

.15

.14

.17

.15

.14

.13

20% FLOOR CAVITY REFLECTANCE

Conversion Factors: 32W PLT with Aluminum Cross Blade, C.U. x 0.7;

26W PLT with White Cross Blade, C.U. x 1.1; Aluminum Cross Blade, C.U. x 0.8.

Job Information

Type:

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 Philips Group • A0608

Lightolier is a Philips group brand

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C4P20GD specifications

Lightolier C4P20GD is a prominent lighting solution that stands out in the commercial and residential lighting sectors. This versatile recessed lighting fixture is designed to meet the diverse needs of any space, offering both aesthetic appeal and practical functionality. With its sleek design and advanced technology, the C4P20GD is a perfect choice for anyone looking to enhance their environment with quality illumination.

One of the main features of the Lightolier C4P20GD is its compatibility with LED and compact fluorescent light sources. This duality allows users to choose their preferred lighting technology, ensuring they can achieve the right ambiance while benefiting from energy efficiency. The fixture supports a 20-watt PAR or an LED equivalent, which offers bright and uniform light output, ideal for a variety of applications from task lighting to accent illumination.

The C4P20GD also showcases an innovative design that simplifies installation while ensuring durability and longevity. The spring clip design allows for easy mounting in both new construction and remodel applications, facilitating a hassle-free setup process. Constructed of high-quality materials, this fixture can withstand the rigors of daily use while maintaining its elegant appearance. Its compact size makes it suitable for installations where space is limited, making it a practical solution for residential living areas, kitchens, and commercial settings alike.

In terms of characteristics, the Lightolier C4P20GD features an adjustable beam angle, which allows users to tailor the light distribution according to their specific needs. This flexibility makes it an excellent choice for spaces that require varied lighting effects, such as galleries or showcase areas. Additionally, the C4P20GD is designed to minimize glare, providing comfortable lighting that does not strain the eyes.

The incorporation of advanced thermal management technology ensures that the fixture operates efficiently, preventing overheating and extending the life of the light source. This commitment to energy efficiency is further complemented by the fixture’s dimmability, which allows for precise control over lighting levels, fostering an environment that can adapt to different activities and moods.

In conclusion, the Lightolier C4P20GD is an outstanding choice for individuals seeking a modern and effective lighting solution. With its combination of innovative features, versatility in lighting technology, and user-friendly design, it elevates both the functionality and aesthetic appeal of any space. Whether for residential or commercial use, the C4P20GD is a reliable option that meets the ever-evolving demands of today's lighting needs.