TM 9-4120-371-14
l. When pressure tests are completed, proceed with the maintenance action
indicated.
m. Turn unit OFF.
n. Close service valves on unit.
o. Remove gages or service manifold hoses from service valves.
p. Install service valve protective caps.
q. Using screwdriver, secure service valve access cover with four screws and
flat washers.
Table 5-1. PRESSURE-TEMPERATURE
RELATIONSHIP OF SATURATED
REFRIGERANT-22
Pressure
Temperature
Temperature
Pressure
kg/em2
Psig
Deg C
Psig
kg/em2
Deg F
Deg F
Deg C
8.029
114.2
2.315
18.9
66
10
-12.3
32.93
118.3
8.318
20.0
2.439
12
-11.1
68
34.68
2.593
14
-10.0
36.89
122.5
8.612
21.1
2.739
70
16
- 8.9
38.96
126.8
8.915
22.2
72
2.889
18
-7.8
41.09
131.2
9.225
74
23.3
9.541
135.7
24.4
43.28
76
3.043
20
-6.6
140.3
9.864
25.8
45.23
78
22
3.180
-5.5
- 4.3
47.85
3.364
24
10.195
145.0
26.7
26
3.532
80
- 3.4
50.24
10.522
149.8
27.8
28
- 2.2
52.70
3.705
82
10.877
154.7
28.9
84
11.236
159.8
-1.1
30.0
30
55.23
3.883
86
11.594
164.9
31.1
4.066
88
57.83
32
4.254
1.1
60.51
34
11.960
170.1
4.448
32.2
36
2.2
63.27
90
12.332
175.4
4.648
92
33.3
38
3.3
66.11
12.719
180.9
34.5
94
13.113
186.5
4.853
96
4.4
35.6
40
69.02
13.506
192.1
36.7
42
98
71.99
5.062
5.5
44
75.04
5.276
6.6
13.914
37.8
197.9
100
46
7.7
78.18
5.497
14.329
203.8
102
38.9
48
5.723
8.8
81.40
14.758
209.9
40.0
104
15.187
216.0
41.1
106
10.0
5.955
50
84.70
15.630
42.2
222.3
108
11.1
6.257
52
88.10
12.2
91.5
6.433
54
16.080
228.7
43.3
110
13.3
6.686
95.1
56
16.537
235.2
44.4
112
58
14.5
98.8
6.947
17.008
241.9
45.6
114
17.486
248.7
46.7
116
7.206
15.6
102.5
60
17.971
255.6
47.8
118
7.474
16.7
106.3
62
7.748
17.8
110.2
64