Lightolier Calculite 7782 User manual

Calculite®Incandescent Open Downlight 782/7782

Page 1 of 2 4 1/2” Aperture A19/A21/A23/MB19 Ellipsoidal Reflector

Job Information Type:

Job Name:

Cat. No.:

Lamp(s):

Notes:

Lightolier a Genlyte Thomas Company www.lightolier.com

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.

Features

1. Socket Cup: Die-cast aluminum cup effectively dissipates heat and assures

lamps maintain proper optical alignment to reflector. Snaps onto reflector

neck for easy tool-less installation. Can be adjusted without tools from

inside or outside of fixture to accommodate different lamp sizes. Contains

medium base porcelain socket with nickel plated screw shell wired and No

18 SF1 leads to J-Box.

2. Mounting Brackets: Adjust vertically from inside of fixture. Durable 16

ga. steel construction. Use with standard 3/4" or1 1/2" lathing channels (by

others), or Lightolier accessory mounting bars.

3. Retaining Springs: Precision tooled springs secure aperture mounting

frame for quick tool-less installation.

4. Reflector: Specular clear Alzak®upper reflector, retained by spring latches

for inspection and maintenance, top relampable.

5. Junction Box: 14 ga. steel, 4" x 3 1/2" x 2" box.

6. Thermal Protector: Meets NEC and UL requirements. Insulation must be

kept 3" away from fixture sides and wiring compartments and must not be

placed above fixture in a manner which will entrap heat.

7. Aperture Cone: 16 ga. Specular Alzak®aluminum,or optical black multi-

groove. Available with white or polished flange or with removable white

molded trim ring (field paintable).

8. Multi-Groove Baffle: One piece seamless aluminum. Sharply detailed

concentric rings with "sawtooth" profile, optical black finish.

9. Mounting Collar: Die-formed steel painted in baked black enamel.

Other Reflector Finish Options

Comfort Clear Diffuse CCD

Specular Black BK

Specular Gold GD

Black Multi-Groove MG

(MG is only available with molded trim ring.)

Flange Options

White W

Polished Flange P

Flangeless Leave Blank (molded trim ring)

Accessories and Options

18" Mounting Bars 1950 (set of 2)

27" Mounting Bars 1951 (set of 2)

T-Bar Anchor Clips 1956 (set of 4, for 1950 & 1951 bars)

Wood Joist Mtg. Bars 7994 (set of 2)

Sloped Ceiling Adapters 7920 (see SCA specification sheet)

Step Down Transformer 7997 (see separate specification sheet)

Chicago Air Plenum LC (add suffix to Frame-in Kit)

Electrical

UL Listed for maximum of 8 No. 12, 75°C through branch circuit conductors, or

60°C supply conductors for end of run.

Labels

UL Listed for damp locations, I.B.E.W.

Alzak®is a registered trademark of ALCOA.

Molded

Trim Ring

Flush Trim

(Molded

trim ring removed)

White or

Polished Flange

Top View

Ceiling Cutout: 5 1/16” Dia.

Reflector Trims Frame-In Kit Lamp

782CLW Specular Clear finish with white flange 7782 A19 100W

782CLP Specular Clear finish with polished flange MB19 100W

782CL Specular Clear finish with molded trim ring (flangeless) A21 150W

782 Add suffix for other finishes (see options) A23 150W

Calculite®Incandescent Open Downlight 782/7782

Page 2 of 2 4 1/2” Aperture A19/A21/A23/MB19 Ellipsoidal Reflector

Lightolier a Genlyte Thomas Company www.lightolier.com

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.

Job Information Type:

80% Ceiling; 50% Walls; 20% Floor

Room Surface Reflectances:

100W A19

1700 Lumens Per Lamp

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

RCR = 5 (Rm. Width - 2 x Mtg. Ht. above work plane)

RCR = 1 (Rm. Width - 10 x Mtg. Ht. above work plane)

CENTER TO CENTER DISTANCE OF FIXTURES IN FEET

AREA PER FIXTURE IN SQUARE FEET

INITIAL FOOTCANDLES

3 4 5 6 7 8 9 10 11 12 13 14

20 40 60 80 100 120 140 160 180

80% Ceiling; 50% Walls; 20% Floor

Room Surface Reflectances:

150W A23

2700 Lumens Per Lamp

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

RCR = 5 (Rm. Width - 2 x Mtg. Ht. above work plane)

RCR = 1 (Rm. Width - 10 x Mtg. Ht. above work plane)

CENTER TO CENTER DISTANCE OF FIXTURES IN FEET

AREA PER FIXTURE IN SQUARE FEET

INITIAL FOOTCANDLES

3 4 5 6 7 8 9 10 11 12

25 50 75 100 125

200

400

600

800

COEFFICIENTS OF UTILIZATION

% EFFECTIVE CEILING CAVITY REFLECTANCE

80 70 50 30 10 0

ROOM CAVITY RATIO

20% FLOOR CAVITY REFLECTANCE

50 30 10 50 30 10 50 30 10 50 30 10 50 30 10 0

.43 .42 .41 .42 .41 .40 .40 .40 .39 .39 .38 .38 .38 .37 .37 .36

.40 .39 .38 .40 .38 .37 .38 .37 .37 .37 .37 .36 .36 .36 .35 .34

.38 .36 .35 .38 .36 .35 .37 .35 .34 .36 .35 .34 .35 .34 .33 .33

.36 .34 .33 .36 .34 .33 .35 .33 .32 .34 .33 .32 .33 .32 .31 .31

.34 .32 .31 .34 .32 .30 .33 .31 .30 .32 .31 .30 .32 .31 .30 .29

.32 .30 .29 .32 .30 .29 .31 .30 .29 .31 .30 .28 .30 .29 .28 .28

.30 .28 .27 .30 .28 .27 .30 .28 .27 .29 .28 .27 .29 .28 .26 .26

.29 .27 .25 .29 .27 .25 .28 .26 .25 .28 .26 .25 .28 .26 .25 .25

.27 .25 .24 .27 .25 .24 .27 .25 .23 .26 .25 .23 .26 .24 .23 .23

.26 .24 .22 .25 .23 .22 .25 .23 .22 .25 .23 .22 .25 .23 .22 .21

% WALL REFLECTANCE

COEFFICIENTS OF UTILIZATION

% EFFECTIVE CEILING CAVITY REFLECTANCE

80 70 50 30 10 0

ROOM CAVITY RATIO

20% FLOOR CAVITY REFLECTANCE

50 30 10 50 30 10 50 30 10 50 30 10 50 30 10 0

.52 .51 .50 .51 .50 .49 49 .48 .48 .47 .47 .46 .46 .45 .45 .44

.49 .47 .46 .48 .47 .45 .47 .46 .45 .45 .44 .44 .44 .43 .43 .42

.47 .45 .43 .46 .44 .43 .45 .43 .42 .44 .42 .41 .43 .41 .41 .40

.44 .42 .40 .44 .42 .40 .43. .41 .40 .42 .40 .39 .41 .39 .39 .38

.42 .39 .38 .41 .39 .38 .40 .39 .37 .40 .38 .37 .39 .38 .37 .36

.40 .37 .36 .39 .37 .35 .39 .37 .35 .38 .36 .35 .37 .36 .35 .34

.38 .35 .33 .37 .35 .33 .37 .35 .33 .36 .34 .33 .36 .34 .33 .32

.35 .33 .31 .35 .33 .31 .35 .33 .31 .34 .32 .31 .34 .32 .31 .30

.34 .31 .29 .33 .31 .29 .33 .31 .29 .32 .31 .29 .32 .30 .29 .29

.32 .29 .28 .32 .29 .28 .31 .29 .28 .31 .29 .28 .31 .29 .27 .27

% WALL REFLECTANCE

Conversion Factor: For 150W A21 units, multiply C.U.’s by 0.9

200

400

600

800

E.T.L, INC. REPORT NO. 385348-A

11-14-62

EFFICIENCY: 46.5%

E.T.L, INC. REPORT NO. 385349-1

12-06-62

EFFICIENCY: 38.5%

DEG CP ZONAL FLUX

2 1/2 825 20

7 1/2 900 64

12 1/2 980 116

17 1/2 880 185

22 1/2 880 185

27 1/2 710 180

32 1/2 530 156

37 1/2 282 94

42 1/2 117 43

47 1/2 38.4 16

52 1/2 11.4 5

DEG CP ZONAL FLUX

2 1/2 555 13

7 1/2 665 48

12 1/2 745 88

17 1/2 755 124

22 1/2 685 144

27 1/2 595 151

32 1/2 427 126

37 1/2 197 66

42 1/2 59.0 22

47 1/2 16.2 7

52 1/2 3.2 1

ZONE LUMENS % LAMP

0-30 568 33.5

0-40 760 44.5

0-60 790 46.5

SPACING RATIO = 1.3 SPACING RATIO = 1.2

Candlepower Summary Candlepower Summary

ZONE LUMENS % LAMP

0-30 727 27.0

0-40 977 36.0

0-60 1042 38.5

Use quick calculator chart to determine spacing of luminaires for desired level of

illumination. Conversion Factors: 150W A21; F.C. X 1.3

Use quick calculator chart to determine spacing of luminaires for desired level of

illumination.

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