100
90
80
70
60
50
40
30
20
10
25
50
75
100
125
150
175
200
225
Area Per Fixture In Square Feet
4 5 6
7
8
9
10
11
12
13
14
15
Center To Center Distance Of Fixtures In Feet
This quick calculator chart determines the number and spacing of 2 It. - 42 Watt PL-T
units with clear reflector: for any level of illumination.
Room Surface Reflectances:
80% Ceiling; 50% Wall; 20% Floor
3200 Lumens Per Lamp
RCR= 1
(Rm. Width= 10xMtg. Ht. above work plane)
RCR= 5
(Rm. Width= 2xMtg. Ht. above work plane)
RCR=10
(Rm. Width= Mtg. Ht. above work plane)
Initial Footcandles
Quick Calculator
Coefficients Of Utilization
% 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 .74 .72 .70
.72 .70 .69
.69 .68 .67
.67 .66 .65
.65 .64 .63
.62
2 .67 .64 .61
.66 .63 .61
.64 .61 .59
.62 .60 .58
.60 .58 .57
.56
3 .61 .57 .54
.60 .57 .54
.58 .55 .53
.57 .54 .52
.55 .53 .51
.50
4 .56 .51 .48
.55 .51 .48
.54 .50 .47
.52 .49 .46
.51 .48 .46
.45
5 .51 .46 .43
.50 .46 .43
.49 .45 .42
.48 .44 .42
.47 .44 .41
.40
6 .47 .42 .38
.46 .42 .38
.45 .41 .38
.44 .40 .38
.43 .40 .37
.36
7 .43 .41 .37
.46 .41 .37
.45 .40 .37
.44 .40 .37
.43 .39 .36
.35
8 .39 .35 .31
.39 .34 .31
.38 .34 .31
.37 .34 .31
.37 .33 .31
.30
9 .36 .32 .28
.36 .31 .28
.35 .31 .28
.35 .31 .28
.34 .31 .28
.27
10 .34 .29 .26
.33 .29 .26
.33 .29 .26
.32 .28 .26
.32 .28 .26
.25
20% Floor Cavity Reflectance
Room Cavity Ratio
Spacing Ratio: Along=1.4 Across=1.7
Certified Test Report N0. ITL44463
Independent Testing Laboratories, Inc.
Recessed Calculite Downlight 8038CLIF/8242HE120
8" Aperture Specular Clear Reflector
Two Philips 42-Watt Pl-t 42W/4P Triple U-Tube. Compact Fluorescents.
Horizontal Position. Lumen Rating =3200 Lms
Date: Jan 3, 1996
Prepared For: Lightolier, Fall River, MA
Tested According To IES Procedures.
Test Distance Exceeds Five Times the
Greatest Luminous Opening Of Luminaire.
CA NDLE POWER SUMMARY
ANGLE
0.0
45.0
90.0 135.0
180.0
FLUX
0 1800 1800 1800 1800
1800
5 1748 1821 1960 1951
1817
184
15 1695 2065 2423 2380
1892
616
25 1828 2305 2516 2461
2082
1048
35 1505 2016 2330 2138
1821
1264
45 1135 1419 1505 1454
1366
1063
55
49
83
63
53
46
142
65
4
3
3
3
2
3
75
1
1
1
1
1
1
85
0
0
0
0
0
0
90
0
0
0
0
0
ZONAL LUMENS AND PERCENTAGES
ZONE
LUMENS
% LAMP %LUMINAIRE
0-30
1847
28.9
42.8
0-40
3112
48.6
72.0
0-60
4316
67.4
99.9
0-90
4320
67.5
100.0
90-180
0
0.0
0.0
0-180
4320
67.5
100.0
** Efficiency = 67.5% **
45
15
90
60
30
0
800
1600
2400
75
45
15
90
60
30
0
700
1400
2100
75
0-deg:
90-deg:
180-deg:
0-deg:
90-deg:
180-deg:
100
90
80
70
60
50
40
30
20
10
25
50
75
100
125
150
175
200
225
Area Per Fixture In Square Feet
4 5 6
7
8
9
10
11
12
13
14
15
Center To Center Distance Of Fixtures In Feet
This quick calculator chart determines the number and spacing of 2 It. - 32 W PL-T units
with clear reflector: for any level of illumination.
For 26W lamps, multiply F.C. by 0.8.
Quick Calculator
32W
Initial Footcandles
Room Surface Reflectances:
80% Ceiling; 50% Wall; 20% Floor
2400 Lumens Per Lamp
RCR= 1
(Rm. Width= 10xMtg. Ht. above work plane)
RCR= 5
(Rm. Width= 2xMtg. Ht. above work plane)
RCR=10
(Rm. Width= Mtg. Ht. above work plane)
Spacing Ratio: Along=1.4 Across=1.6
Certified Test Report N0. ITL44462
(Based on recessed fixture 8038CLW/8232HE120)
Independent Testing Laboratories, Inc.
Recessed Calculite Downlight 8038CLIF/8232HE120
8" Aperture Specular Clear Reflector
Two Philips 32-Watt 32W/35/4P Triple U-Tube. Compact Fluorescents.
Horizontal Position. Lumen Rating =2400 Lms
CA
NDLE POWER SUMMARY
ANGLE
0.0
45.0
90.0 135.0
180.0 FLUX
0
1499 1499 1499 1499
1499
5
1502 1555 1643 1573
1426
152
15
1546 1829 2017 1862
1330
505
25
1628 2073 2090 1747
1440
844
35
1312 1820 1842 1573
1242 1007
45
823 1034 1242 1222
1181
849
55
31
55
61
58
61
118
65
2
2
3
2
2
3
75
1
1
1
1
1
1
85
0
0
0
0
0
0
90
0
0
0
0
0
ZONAL LUMENS AND PERCENTAGES
ZONE
LUMENS % LAMP
%LUMINAIRE
0-30
1500
31.3
43.1
0-40
2508
52.2
72.1
0-60
3475
72.4
99.9
0-90
3479
72.5
100.0
90-180
0
0.0
0.0
0-180
3479
72.5
100.0
** Efficiency = 72.5% **
Coefficients Of Utilization
% 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
79 .77 .75
.78 .76 .74
.75 .73 .72
.72 .71 .70
.69 .68 .68
.66
2
.72 .69 .66
.71 .68 .65
.69 .66 .64
.66 .64 .62
.64 .62 .61
.60
3
.66 .62 .58
.65 .61 .58
.63 .59 .57
.61 .58 .56
.59 .57 .55
.54
4
.60 .55 .52
.59 .55 .51
.58 .54 .51
.56 .53 .50
.55 .52 .49
.48
5
.55 .50 .46
.54 .49 .46
.53 .49 .45
.51 .48 .45
.50 .47 .44
.43
6
.50 .45 .41
.50 .45 .41
.48 .44 .41
.47 .43 .40
.46 .43 .40
.39
7
.46 .41 .37
.46 .41 .37
.45 .40 .37
.44 .40 .37
.43 .39 .36
.35
8
.42 .37 .34
.42 .37 .34
.41 .37 .33
.40 .36 .33
.40 .36 .33
.32
9
.39 .34 .31
.39 .34 .31
.38 .34 .30
.37 .33 .30
.37 .33 .30
.29
10
.36 .31 .28
.36 .31 .28
.35 .31 .28
.35 .31 .28
.34 .30 .28
.26
20% Floor Cavity Reflectance. For 26W lamps, multiply C.U. by 1.1.
Room Cavity Ratio
Date: Dec 4, 1995
Tested According To IES Procedures.
Test Distance Exceeds Five Times the
Greatest Luminous Opening Of Luminaire.
42W
800
1600
2400
Calculite
®
Compact Fluorescent Surface Cylinder
CS8232/42
Page 2 of 2
8" Aperture Triple Tube (4-Pin) Ceiling & Wall Mount
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
Job Information
Type:
