Lightolier is a Philips group brand
Job Information
Type:
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.
www.lightolier.com © 2009 Philips Group • B0209
Calculite
®
CFL Open Downlight
8037
Page 2 of 2
7 3/8" Triple Tube Horizontal Lamp
80
70
60
50
40
30
20
10
25
50
75
100
125
150
175
200
AREA PER FIXTURE IN SQUARE FEET
3 4 5
6 7
8
9
10
11
12
13
14
CENTER TO CENTER DISTANCE OF FIXTURES IN FEET
This quick calculator chart determines the number and spacing of 1 It.- 42W PL-T units
with clear reflector, for any level of illumination.
Quick Calculator
IN
IT
IA
L
FO
O
TC
A
N
D
LE
S
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)
Spacing Ratio = 1.4
Report No.: LRL 796-1F
PREPARED BY: LIGHTING RESEARCH LABORATORY, INC
PREPARED FOR: LIGHTOLIER
DESCRIP.: 7-3/8" dia. x 7" Ht. recessed downlight
- open bottom spun semispecular reflector; tilted horizontal lamp
BALLAST: LIGHTOLIER GLT423-120I.
LAMPS: 1 PLT-42W rated at 3200 LUMENS.
CANDLEPOWER
ZONE
0
22
45
67
90
DEG.
CANDELAS
90
0
0
0
0
0
85
1
1
1
1
1
80
1
1
1
1
1
75
3
3
3
3
3
70
3
3
3
3
3
65
4
4
4
4
4
60
9
9
9
9
9
55
93
99
80
77
78
50
436
409
436
398
413
45
634
622
634
663
680
40
737
758
800
850
850
35
866
905
920
951
948
30
975
964
923
1022
1049
25
1045
1050
1030
1066
1103
20
1053
1070
1077
1117
1148
15
1074
1097
1148
1141
1176
10
1046
1076
1091
1099
1121
5
1004
1009
1017
1021
1020
0
1002
1002
1002
1002
1002
ZONE LUMENS %BARE LAMP %LUMINAIRE
0-30
896
28.0
42.8
0-40
1465
45.8
70.0
0-60
2084
65.1
99.6
0-90
2092
65.4
100.0
40-90
627
19.6
30.0
60-90
8
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
2092
65.4
100.0
85
ϒ
75
ϒ
65
ϒ
55
ϒ
45
ϒ
25
ϒ
35
ϒ
15
ϒ
5
ϒ
0
ϒ
0
150
300
450
600
750
900
1050
1200
Candlepower Curve
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
.72 .70 .69 .71 .69 .68 .68 .67 .66 .65 .64 .64 .63 .62 .62 .61
2
.67 .64 .62 .66 .63 .61 .64 .62 .60 .62 .60 .59 .60 .59 .57 .56
3
.62 .59 .56 .61 .58 .56 .60 .57 .55 .58 .56 .54 .57 .55 .53 .52
4
.57 .54 .51 .57 .53 .50 .55 .52 .50 .54 .51 .49 .53 .50 .49 .48
5
.53 .49 .46 .53 .49 .46 .51 .48 .46 .50 .47 .45 .49 47 .45 .44
6
.49 .45 .42 .49 .45 .42 .48 .44 .42 .47 .44 .41 .46 .43 .41 .40
7
.45 .41 .38 .45 .41 .38 .44 .40 .38 .43 .40 .37 .42 .40 .37 .36
8
.42 .37 .34 .41 .37 .34 .40 .37 .34 .40 .36 .34 .39 .36 .34 .33
9
.38 .34 .31 .38 .34 .31 .37 .33 .31 .36 .33 .30 .36 .33 .30 .29
10
.33 .29 .26 .33 .29 .26 .32 .28 .26 .32 .28 .25 .31 .28 .25 .24
20% FLOOR CAVITY REFLECTANCE
RO
OM
C
AV
IT
Y
RA
TI
O
** EFFICIENCY = 65.4% **
42W
Spacing Ratio = 1.3
Report No.: LRL 796-1G
PREPARED BY: LIGHTING RESEARCH LABORATORY, INC
PREPARED FOR: LIGHTOLIER
DESCRIP.: 7-3/8" dia. x 7" Ht. recessed downlight
- open bottom spun semispecular reflector; tilted horizontal lamp
BALLAST: LIGHTOLIER GLT423-120I.
LAMPS: 1 PLT-32W rated at 2400 LUMENS.
CANDLEPOWER
ZONE
0
22
45
67
90
DEG.
CANDELAS
90
0
0
0
0
0
85
0
0
1
1
1
80
1
1
1
1
1
75
1
2
2
2
2
70
2
2
3
3
3
65
4
4
4
4
4
60
9
9
10
11
10
55
70
67
71
73
69
50
235
247
270
282
282
45
328
333
377
430
462
40
437
461
534
572
604
35
598
585
632
654
683
30
701
656
665
728
760
25
746
728
748
784
788
20
759
802
807
811
808
15
841
893
894
892
890
10
897
921
919
916
915
5
889
892
895
899
902
0
883
883
883
883
883
ZONE LUMENS %BARE LAMP %LUMINAIRE
Candlepower Curve
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
20% FLOOR CAVITY REFLECTANCE
RO
OM
C
AV
IT
Y
RA
TI
O
** EFFICIENCY = 61.3% **
450
900
30
ϒ
60
ϒ
275
725
0-30
681
28.4
46.3
0-40
1069
44.6
72.7
0-60
1463
61.0
99.5
0-90
1470
61.3
100.0
40-90
401
16.7
27.3
60-90
7
0.3
0.5
90-120
0
0.0
0.0
90-150
0
0.0
0.0
90-180
0
0.0
0.0
0-180
1470
61.3
100.0
1
.67 .65 .63 .65 .64 .62 .63 .61 .60 .60 .59 .58 .58 .58 .57
.56
2
.61 .58 .55 .60 .57 .55 .58 .55 .54 .56 .54 .52 .54 .53 .51
.50
3
.55 .52 .49 .55 .51 .49 .53 .50 .48 .51 .49 .47 .50 .48 .46
.45
4
.51 .47 .44 .50 .46 .43 .49 .45 .43 .47 .45 .42 .46 .44 .42
.41
5
.47 .42 .39 .46 .42 .39 .45 .41 .39 .44 .41 .38 .43 .40 38
.37
6
.43 .38 .35 .42 .38 .35 .41 .38 .35 .40 .37 .35 .39 .37 .34
.33
7
.39 .35 .39 .35 .32 .38 .34 .32 .37 .34 .31 .37 .34 .31 .30
.25
8
.36 .32 .29 .36 .32 .29 .35 .32 .29 .35 .31 .29 .34 .31 .29
.28
9
.34 .30 .27 .33 .29 .27 .33 .29 .27 .32 .29 .26 .32 .29 .26
.25
10 .31 .27 .25 .31 .27 .24 .31 .27 .24 .30 .27 .24 .30 .26 .24
.23
