Lightolier Calculite 7794QD Manual de usuario

6 1/2"

7 7/16" Dia.

7 3/4" Flush

1-1/8" min. -

1-7/8" max.

(Ceiling Runner)

Overlap 8 1/2"

4 1/4"

14 1/2"

11 1/2"

13"

Top View

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-formed steel effectively dissipates heat and assures lamps

maintain proper optical alignment to reflector. Contains medium base

porcelain socket with nickel plated screw shell wired with 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" or 1 1/2" lathing channels

(by others), or Lightolier accessory mounting bars.

3. Retaining Springs: Torsiontite springs secure bezel reflector housing.

4. Reflector: Specular Alzak®aluminum, 16 ga., reflector housing can be

detached from inside of fixture for access to splices after installation.

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

below.

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. Trim Frame: Die-cast aluminum suitable for dry or plaster ceilings. Flanges

for dry ceilings, reversible flangeless trim for use in plaster ceilings. Matte

white baked enamel finish.

8. Bezel: Die-cast aluminum bezel forms deep attractive conical aperture.

Matte white baked enamel finish. Includes black polyurethane foam gasket

to provide effective light and dust shield.

9. Lens: 6" diameter gray colouvered risers. Recessed 1 1/2" from ceiling.

Options & Accessories

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 Adapter 7926 (see SCA specification sheet)

Step Down Transformer 7997 277v Step Down Transformer

(277v primary 1.1 amp/120v secondary,

300w capacity)

Ceiling Cutout: 7 7/8" Dia.

Ordering Information

Catalog Number Lamp

7794QD A19 100W

MB19 100W

Electrical

UL listed for maximum of 8 No.12, 75°C through branch circuit supply conduc-

tors, or 60°C supply conductors for end of run.

Labels

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

Calculite®Incandescent Lensed Downlight 7794QD

Page 1 of 2 7 3/8” Aperture Horizontal Lamp Fresnel Lenslite

Alzak®is a registered trademark of ALCOA.

Flush Trim Overlap Trim

Calculite®

Incandescent

Lensed Downlight

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

.64 .62 .61 .62 .61 .60 .60 .59 .58 .58 .57 .56 .56 .55 .54 .53

.60 .57 .55 .59 .56 .54 .57 .355 .53 .55 .53 .52 .53 .52 .51 .50

.56 .53 .51 .55 .52 .50 .54 .51 .50 .52 .50 .49 .51 .49 .48 .47

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

.49 .46 .43 .49 .45 .43 .48 .45 .43 .47 .44 .42 .46 .44 .42 .41

.46 .43 .40 .46 .43 .40 .45 .42 .40 .45 .42 .40 .43 .41 .39 .39

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

.41 .37 .35 .40 .37 .35 .40 .37 .35 .39 .36 .34 .39 .36 .34 .34

.38 .35 .32 .38 .35 .32 .37 .34 .32 .37 .34 .32 .36 .34 .32 .31

.34 .30 .28 .34 .30 .28 .33 .30 .28 .33 .30 .28 .32 .30 .28 .27

% Wall reflectance

Conversion Factor:

Conversion Factors:

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

80% Ceiling; 50% Walls; 20% Floor

Room Surface Reflectances:

100 Watt A-19

1750 Lumens Per Lamp

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

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

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

CENTER TO CENTER ISTANCE OF FIXTURES IN FEET

AREA PER FIXTURE IN SQUARE FEET

INITIAL FOOTCAN LES

10 11 12 13 14 159876543

25 50 75 100 125 150 175 200 225

150

300

450

600

Spacing Ratio = 1.1

ETL, Inc. Report No. 387916-A

ate: 08-12-63

Efficiency: 55.5%

Candlepower Summary

DEG CP ZONAL FLUX

0 697

5 686 65

15 654 185

25 634 294

35 393 247

45 140 108

55 53.4 48

65 26.3 26

75 8.8 9

85 2.6 3

90 0

ZONE LUMENS %

0-30 544 32.0

0-40 791 44.5

0-60 947 55.5

0-90 985 58.0

Calculite®Incandescent Lensed Downlight 7794QD

Page 2 of 2 7 3/8” Aperture Horizontal Lamp Fresnel Lenslite

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:

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