Calculite® Incandescent Lensed Downlight
Page 1 of 2
7794QD
7 3/8” Aperture Horizontal Lamp Fresnel Lenslite
Top View
2
1
9
4
13"
5
4 1/4"
11 1/2"
14 1/2"
6
6 1 /2"
3"
Flush Trim
Overlap Trim
1-1/8" min. 1-7/8" max.
(Ceilin g Runner)
7 7/16" Dia.
7 3/4" Flush
7
Overlap 8 1/2"
3
8
Ceiling Cutout: 7 7/8" Dia.
Ordering Information
Catalog Number
Lamp
7794QD
A19 100W
MB19 100W
Features
Electrical
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.
UL listed for maximum of 8 No.12, 75°C through branch circuit supply conductors, or 60°C supply conductors for end of run.
Options & Accessories
18" Mounting Bars
27" Mounting Bars
T-Bar Anchor Clips
Wood Joist Mtg. Bars
Sloped Ceiling Adapter
Step Down Transformer
1950 (set of 2)
1951 (set of 2)
1956 (set of 4, for 1950 & 1951 bars)
7994 (set of 2)
7926 (see SCA specification sheet)
7997 277v Step Down Transformer
(277v primary 1.1 amp/120v secondary,
300w capacity)
Labels
UL Listed for wet locations, I.B.E.W.
Alzak® is a registered trademark of ALCOA.
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.
© 2003 Genlyte Thomas Group LLC (Lightolier Division) • B0303
7794QD
Calculite® ®
Calculite Incandescent Lensed Downlight
Incandescent
Lensed Downlight
7 3/8” Aperture Horizontal Lamp Fresnel Lenslite
Page 2 of 2
100 Watt A-19
1750 Lumens Per Lamp
INITIAL FOOTCANDLES
40
35
RCR = 1 (Rm. Width - 10 x Mtg. Ht. above work plane)
RCR = 5 (Rm. Width - 2Mtg. Ht. above work plane)
RCR = 10 (Rm. Width - Mtg. Ht. above work plane)
Room Surface Reflectances:
80% Ceiling; 50% Walls; 20% Floor
30
25
20
15
10
5
25
3 4 5
50
75
100
125
150
175
200
AREA PER FIXTURE IN SQUARE FEET
6
7
8
9
10
11
12
13
225
14
15
CENTER TO CENTER DISTANCE OF FIXTURES IN FEET
Use quick calculator chart to determine spacing of luminaires for desired level of illumination.
Conversion Factors:
Spacing Ratio = 1.1
Candlepower Summary
90
150
60
300
450
DEG
CP
ZONAL FLUX
0
5
15
25
35
45
55
65
75
85
90
697
686
654
634
393
140
53.4
26.3
8.8
2.6
0
65
185
294
247
108
48
26
9
3
30
600
ZONE
ETL, Inc. Report No. 387916-A
Date: 08-12-63
LUMENS
0-30
0-40
0-60
0-90
%
544
791
947
985
32.0
44.5
55.5
58.0
Efficiency: 55.5%
Coefficients of Utilization
% Effective ceiling cavity reflectance
80
70
50
30
10
0
Room cavity ratio
% Wall reflectance
1
2
3
4
5
6
7
8
9
10
50
.64
.60
.56
.52
.49
.46
.43
.41
.38
.34
30
.62
.57
.53
.49
.46
.43
.40
.37
.35
.30
10
.61
.55
.51
.47
.43
.40
.38
.35
.32
.28
50
.62
.59
.55
.51
.49
.46
.43
.40
.38
.34
30
.61
.56
.52
.49
.45
.43
.40
.37
.35
.30
10
.60
.54
.50
.46
.43
.40
.38
.35
.32
.28
50 30 10 50
.60 .59 .58 .58
.57 .355 .53 .55
.54 .51 .50 .52
.50 .48 .46 .49
.48 .45 .43 .47
.45 .42 .40 .45
.42 .39 .37 .42
.40 .37 .35 .39
.37 .34 .32 .37
.33 .30 .28 .33
30
.57
.53
.50
.47
.44
.42
.39
.36
.34
.30
10
.56
.52
.49
.45
.42
.40
.37
.34
.32
.28
50
.56
.53
.51
.48
.46
.43
.41
.39
.36
.32
30
.55
.52
.49
.46
.44
.41
.39
.36
.34
.30
10
.54
.51
.48
.45
.42
.39
.37
.34
.32
.28
0
.53
.50
.47
.44
.41
.39
.36
.34
.31
.27
20% Floor cavity reflectance
Conversion Factor:
Job Information
Type:
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.
© 2003 Genlyte Thomas Group LLC (Lightolier Division) • B0303