2'
18 f.c.
3'
5'
5'
18 f.c.
2’ From Wall-2’ On Center
1
14
12
14
2
17
16
17
3
18
18
18
4
16
16
16
5
12
12
12
6
10
10
10
7
7
7
7
8
6
6
6
9
4
4
4
Candlepower Distribution Downlight Spacing Ratio 1.3
Coefficients of Utilization
Footcandles On Wall: Multiple 18W Triple Tube Units
2’ From Wall-3’ On Center
1
11
6
11
2
14
9
14
3
12
12
12
4
10
11
10
5
8
8
8
6
7
7
7
7
5
5
5
8
4
4
4
9
3
3
3
2’ From Wall-4’ On Center
1
11
3
11
2
13
5
13
3
11
7
11
4
8
8
8
5
6
6
6
6
5
5
5
7
4
4
4
8
3
3
3
9
3
3
3
Footcandle values are averaged and rounded off and are based on a minimum
of five units.
% 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
.46 .45 .44
.45 .44 .43
.43 .43 .42
.42 .41 .41
.40 .40 .39 .39
2
.43 .41 .39
.42 .40 .39
.41 .39 .38
.39 .38 .37
.38 .37 .37 .36
3
.40 .37 .36
.39 .37 .36
.38 .36 .35
.37 .36 .34
.36 .35 .34 .33
4
.37 .35 .33
.36 .34 .33
.36 .34 .32
.35 .33 .32
.34 .33 .31 .31
5
.34 .32 .30
.34 .32 .30
.33 .31 .30
.32 .31 .29
.32 .30 .29 .28
6
.32 .30 .28
.32 .29 .28
.31 .29 .27
.31 .29 .27
.30 .28 .27 .26
7
.30 .27 .26
.30 .27 .25
.29 .27 .25
.28 .26 .25
.28 .26 .25 .24
8
.28 .25 .23
.27 .25 .23
.27 .25 .23
.27 .25 .23
.26 .24 .23 .22
9
.26 .23 .22
.26 .23 .22
.25 .23 .21
.25 .23 .21
.24 .23 .21 .21
10
.24 .22 .20
.24 .22 .20
.24 .21 .20
.23 .21 .20
.23 .21 .20 .19
20% FLOOR CAVITY REFLECTANCE
ROOM
CA
VITY
RA
TIO
2
3
4
Distance
From
Ceiling
in
Feet
Distance
From
Ceiling
in
Feet
Distance
From
Ceiling
in
Feet
Lighting Data
Downlight Side
Wall Washer Side
Example: With multiple clear reflector units located 2' from wall and spaced 2'
on center (matching downlights 5' on center), the illumination on the wall 3'
down from ceiling will be 14 f.c. beneath units and 18 f.c. between units.
Calculite
®
Compact Fluorescent Open Wall Washer
8011WW
Page 2 of 2
4” Aperture Triple Tube Vertical Lamp
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.
© 2011 Genlyte Thomas Group LLC (Lightolier Division) • B0711
Job Information
Type:
