631 Airport Road, Fall River, MA 02720 • (508) 679-8131 • Fax (508) 674-4710
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www.lightolier.com © 2009 Philips Group • A0409
Calculite
®
CFL Open Downlight
8022
Page 2 of 2
7 3/8" Aperture Triple Tube Vertical Lamp
Job Information
Type:
CANDLEPOWER SUMMARY
ANGLE
AVERAGE CP LUMENS
180
0
175
0
0
165
0
0
155
0
0
145
0
0
135
0
0
125
0
0
115
0
0
105
0
0
95
0
0
85
2
2
75
4
4
65
5
5
55
16
14
45
334
258
35
797
501
25
1178
545
15
1504
426
5
1585
151
0
1518
REPORT PREPARED FOR: LIGHTOLIER
REPORT NO: LRL 499-9E
REPORT BY: LIGHTING RESEARCH LABORATORY, INC.
DESCRIP: 7.5” DIA. x 11 HT RECESSED DOWNLIGHT WITH COMFORT CLEAR™
REFLECTOR. LAMPS: 1PLT 42W LUMENS=3200
**Efficiency = 59.6%**
April 27, 1999
Spacing Ratio = .9
65
ϒ
0
ϒ
15
ϒ
5
ϒ
25
ϒ
35
ϒ
45
ϒ
55
ϒ
75
ϒ
85
ϒ
600
1600
1400
1000
1200
800
400
200
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
.69 .67 .66 .67 .66 .65 .65 .64 .63 .63 .62 .61 .61 .60 .59 .58
2
.65 .63 .61 .64 .62 .60 .62 .60 .50 .60 .59 .58 .58 .57 .56 .56
3
.61 .59 .57 .61 .58 .56 .59 .57 .55 .58 .56 .55 .56 .55 .54 .53
4
.58 .55 .53 .57 .54 .52 .56 .54 .52 .55 .53 .51 .54 .52 .50 .50
5
.55 .51 .49 .54 .51 .49 .53 .50 .49 .52 .50 .48 .51 .49 .48 .47
6
.52 .48 .40 .51 .48 .40 .50 .48 .40 .50 .47 .45 .49 .47 .45 .44
7
.49 .45 .43 .46 .45 .43 .48 .45 .43 .47 .44 .43 .46 .44 .42 .42
8
.46 .42 .40 .40 .42 .40 .45 .42 .40 .44 .42 .40 .44 .41 .40 .39
9
.43 .40 .37 .43 .39 .37 .42 .39 .37 .42 .39 .37 .41 .39 .37 .36
10
.38 .35 .32 .38 .35 .32 .38 .35 .32 .37 .34 .32 .37 .34 .32 .31
20% FLOOR CAVITY REFLECTANCE
RO
OM
C
AV
IT
Y
RA
TI
O
For 1 Lt. 26W triple tube with Comfort Clear reflector multiply C.U.’s by 1.1
CANDLEPOWER SUMMARY
ANGLE
AVERAGE CP LUMENS
180
0
175
0
0
165
0
0
155
0
0
145
0
0
135
0
0
125
0
0
115
0
0
105
0
0
95
0
0
85
1
1
75
2
2
65
3
3
55
11
10
45
226
175
35
678
426
25
933
432
15
1117
317
5
1179
113
0
1126
ZONAL LUMENS AND PERCENTAGES
ZONE LUMENS
% LAMP %LUMINAIRE
0-30
861
35.9
58.3
0-40
1287
53.6
87.1
0-60
1472
61.3
99.6
0-90
1478
61.6
100.0
40-90
191
8.0
12.9
60-90
6
0.3
0.4
90-120
0
0.0
0.0
90-150
0
0.0
0.0
90-180
0
0.0
0.0
0-180
1478
61.6
100.00
REPORT PREPARED FOR: LIGHTOLIER
REPORT NO: LRL 499-9F2
REPORT BY: LIGHTING RESEARCH LABORATORY, INC.
DESCRIP: 7.5” DIA. RECESSED DOWNLIGHT WITH COMFORT CLEAR™
REFLECTOR LAMPS: 1PL-T 32W LUMENS=2400
Spacing Ratio = 1.1
**Efficiency = 61.6%**
0
ϒ
5
ϒ
15
ϒ
25
ϒ
35
ϒ
45
ϒ
55
ϒ
65
ϒ
75
ϒ
85
ϒ
1000
1200
600
800
400
200
CENTER TO CENTER DISTANCE OF FIXTURES IN FEET
80% Ceiling; 50% Wall; 20% Floor
RCR = 10
RCR = 5
RCR = 1
3200 Lumens Per Lamp
ROOM SURFACE REFLECTANCES:
AREA PER FIXTURE IN SQUARE FEET
8
This quick Calculator chart determines the number and spacing of 1 lt.-42W PL-T units with Comfort
Clear™ reflector for any level of illumination.
3
40
4
5
20
6
7
60
INITIAL FOOTCANDLES
30
10
20
40
50
80
70
60
9
80
10
100
11
120
(Rm. width = Mtg. Ht. above work plane)
(Rm. width = 2 x Mtg. Ht. above work plane)
(Rm. width = 10 x Mtg. Ht. above work plane)
8022/7142 (42W)
LRL NO. 499-9E
S. NG LIGHTOLIER 5/2/99
Quick Calculator
42W
Quick Calculator
Clear™ reflector multiply, F.C. x 0.8.
Clear™ reflector for any level of illumination. Conversion factor: 1 lt. 26W PL-T with Comfort Clear
This quick Calculator chart determines the number and spacing of 1 lt.-32W PL-T units with Comfort
80% Ceiling; 50% Wall; 20% Floor
RCR = 10
RCR = 5
RCR = 1
2400 Lumens Per Lamp
ROOM SURFACE REFLECTANCES:
CENTER TO CENTER DISTANCE OF FIXTURES IN FEET
AREA PER FIXTURE IN SQUARE FEET
8
3
40
4
5
20
6
7
60
INITIAL FOOTCANDLES
30
10
20
40
50
80
70
60
9
80
10
100
11
120
(Rm. width = Mtg. Ht. above work plane)
(Rm. width = 2 x Mtg. Ht. above work plane)
(Rm. width = 10 x Mtg. Ht. above work plane)
8022/7132 (32W)
LRL NO. 499-9F2
S. NG LIGHTOLIER 5/2/99
32W
ZONAL CAVITY METHOD
EFFECTIVE FLOOR CAVITY REFLECTANCE = .20
CC WALL
80
70
50
30
10
RCR
50 30 10 50 30 10 50 30 10 50 30 10 50 30 10 0
1
.66 .65 .64 .65 .64 .63 .63 .62 .61 .60 .60 .59 .58 .58 .57 .56
2
.62 .60 .58 .61 .59 .57 .59 .58 .56 .57 .56 .55 .56 .55 .54 .53
3
.58 .55 .53 .57 .55 .53 .56 .54 .52 .54 .53 .51 .53 .52 .50 .50
4
.55 .52 .49 .54 .51 .49 .53 .50 .48 .52 .50 .48 .51 .49 .47 .46
5
.51 .48 .46 .51 .48 .45 .50 .47 .45 .49 .46 .45 .48 .46 .44 .43
6
.48 .45 .42 .48 .45 .50 .47 .44 .42 .46 .44 .42 .45 .43 .41 .41
7
.45 .42 .39 .45 .41 .39 .44 .41 .39 .43 .41 .39 .43 .40 .38 .38
8
.42 .39 .36 .42 .38 .36 .41 .38 .36 .40 .38 .36 .40 .37 .36 .35
9
.39 .36 .33 .39 .35 .33 .38 .35 .33 .38 .35 .33 .37 .35 .33 .32
10
.37 .33 .31 .36 .33 .31 .36 .33 .31 .35 .32 .30 .35 .32 .30 .30
Coefficients of Utilization
ZONAL LUMENS AND PERCENTAGES
ZONE LUMENS
% LAMP %LUMINAIRE
0-30
1123
35.1
58.9
0-40
1623
50.7
85.1
0-60
1896
59.3
99.4
0-90
1908
59.6
100.0
40-90
284
8.9
14.9
60-90
12
0.4
0.6
90-120
0
0.0
0.0
90-150
0
0.0
0.0
90-180
0
0.0
0.0
0-180
1908
59.6
100.00
