20
Table 4 — Refrigerant Circuit Data
LEGEND
*Minimum operating charge based on 5° F (2.8° C) subcooling.
†Optimum operating charge based on 15° F (8.3° C) subcooling.
**Storage capacity calculated for 80% liquid and 20% vapor at 32.2 C (90 F).
UNIT 09DK
020, 024
028
034
COIL
No. of Ckts
2
1
1
2
1
1
2
1
2
1
1
2
1
Cap. (% Ckt)
50
67
33
50
60
40
40
20
50
60
40
40
20
REFRIGERANT
Min. Operating Chg/Ckt*
kg
4.8
6.4
3.2
5.3
6.4
4.3
4.3
2.1
8.0
9.5
6.4
6.4
3.2
lb
10.6
14.1
7.1
11.8
14.1
9.4
9.4
4.7
17.5
21.0
14.0
14.0
7.0
Optimum Operating Chg/Ckt†
kg
5.7
7.5
3.8
6.3
7.5
5.0
5.0
2.5
9.4
11.2
7.5
7.5
3.7
lb
12.5
16.6
8.3
13.8
16.6
11.1
11.1
5.5
20.6
24.8
16.5
16.5
8.3
Vol/Ckt
m
3
0.008
0.01
0.006
0.009
0.01
0.007
0.007
0.004
0.014
0.017
0.011
0.011
0.006
cu ft
0.30
0.40
0.20
0.33
0.40
0.26
0.26
0.14
0.49
0.59
0.39
0.39
0.20
STORAGE CAPACITY
(Per Ckt)**
R-12
kg
8.7
11.7
5.8
9.6
11.5
7.7 7.7 3.8 14.2
17.1
11.3
11.3
5.7
lb
19.2
25.7
12.7
21.1
25.3
16.9
16.9
8.4
31.3
37.6
25.0
25.0
12.5
R-22
kg
7.9
10.6
5.3
8.8
10.5
7.0
7.0
3.5
13.0
15.6
10.4
10.4
5.2
lb
17.5
23.3
11.7
19.3
23.2
15.4
15.4
7.7
28.7
34.4
23.0
23.0
11.5
R-500
kg
7.5
10.0
4.9
8.3
9.9
6.6
6.6
3.3
12.2
14.7
9.8
9.8
4.9
lb
16.5
22.1
10.9
18.2
21.8
14.5
14.5
7.3
26.9
32.3
21.5
21.5
10.8
R-502
kg
8.3
11.1
5.5
9.2
11.0
7.3
7.3
3.7
13.6
16.3
10.8
10.8
5.4
lb
18.3
24.5
12.1
20.2
24.2
16.1
16.1
8.1
29.9
35.9
23.9
23.9
12.0
UNIT 09DK
044
COIL
No. of Ckts
1
1
2
1
1
1
1
1
1
1
1
1
Cap. (% Ckt)
40
34
13
74
26
66
34
60
40
53
47
100
REFRIGERANT
Min. Operating Chg/Ckt*
kg
9.5
7.9
3.1
17.4
6.4
15.9
8.0
14.3
9.5
12.7
11.2
23.9
lb
21.0
17.4
6.8
38.4
14.2
35.1
17.5
31.6
21.0
27.9
24.7
52.6
Optimum Operating Chg/Ckt†
kg
11.2
9.4
3.7
20.5
7.6
18.7
9.4
16.8
11.2
14.9
13.2
28.1
lb
24.8
20.6
8.3
45.2
16.7
41.3
20.6
37.1
24.8
32.8
29.1
61.9
Vol/Ckt
m
3
0.016
0.014
0.005
0.031
0.011
0.028
0.014
0.025
0.017
0.022
0.02
0.042
cu ft
0.60
0.52
0.19
1.09
0.40
1.0
0.49
0.89
0.60
0.79
0.70
1.49
STORAGE CAPACITY
(Per Ckt)**
R-12
kg
17.3
14.7
5.6
31.6
11.7
29.0
14.2
25.9
17.3
22.9
20.3
43.2
lb
38.1
32.4
12.4
69.6
25.7
64.0
31.3
57.2
38.1
50.5
44.8
95.3
R-22
kg
15.8
13.4
5.1
28.8
10.7
26.4
13.2
23.7
15.8
21.0
18.6
39.6
lb
34.8
29.6
11.3
63.6
23.5
58.1
29.0
52.3
34.8
46.2
40.9
87.1
R-500
kg
14.9
12.6
4.8
27.1
10.0
24.8
12.4
22.3
14.9
19.7
17.4
37.2
lb
32.8
27.8
10.6
59.8
22.1
54.6
27.3
49.1
32.8
43.4
38.4
81.9
R-502
kg
16.5
14.1
5.4
30.2
11.2
23.1
13.7
24.8
16.5
21.9
19.4
41.3
lb
36.4
31.0
11.8
66.5
24.6
51.0
30.1
54.7
36.4
48.3
42.8
91.1
Ckt —
Circuit
Min. —
Minimum
Vol —
Volume
Summary of Contents for 09DK Series
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