Table 12: Refrigerant Temperature-Pressure Chart (PSIG)
Temp
R-22
R-134A
°F
-40
0.6
14.8("Hg)
-38
1.4
13.9("Hg)
-36
2.2
12.9("Hg)
-34
3.1
12.0("Hg)
-32
4.0
10.9("Hg)
-30
4.9
9.8("Hg)
-28
5.9
8.7("Hg)
-26
6.9
7.5("Hg)
-24
8.0
6.3("Hg)
-22
9.1
5.0("Hg)
-20
10.2
3.7("Hg)
-18
11.4
2.3("Hg)
-16
12.6
0.8("Hg)
-14
13.9
-12
15.2
-10
16.5
-8
17.9
-6
19.4
-4
20.9
-2
22.4
0.0
24.0
2.0
25.7
4.0
27.4
6.0
29.1
8.0
31.0
10.0
32.8
12.0
34.8
14.0
36.8
16.0
38.8
18.0
40.9
20.0
43.1
22.0
45.3
24.0
47.6
26.0
50.0
28.0
52.4
30.0
55.0
32.0
57.5
34.0
60.2
36.0
62.9
38.0
65.7
40.0
68.6
42.0
71.5
44.0
74.5
46.0
77.6
48.0
80.8
50.0
84.1
52.0
87.4
54.0
90.8
56.0
94.4
58.0
98.0
Temp
R-410A
°C
10.8
-40
12.1
-39
13.4
-38
14.8
-37
16.3
-36
17.8
-34
19.4
-33
21.0
-32
22.7
-31
24.5
-30
26.3
-29
28.2
-28
30.2
-27
0.3
32.2
-26
1.1
34.3
-24
1.9
36.5
-23
2.8
38.7
-22
3.6
41.0
-21
4.6
43.4
-20
5.5
45.9
-19
6.5
48.4
-18
7.5
51.1
-17
8.5
53.8
-16
9.6
56.6
-14
10.8
59.5
-13
11.9
62.4
-12
13.1
65.5
-11
14.4
68.6
-10
15.7
71.9
-9
17.0
75.2
-8
18.4
78.7
-7
19.9
82.2
-6
21.3
85.8
-4
22.9
89.6
-3
24.5
93.4
-2
26.1
97.4
-1
27.8
101.4
0.0
29.5
105.6
1.0
31.3
109.9
2.0
33.1
114.3
3.0
35.0
118.8
4.0
37.0
123.4
6.0
39.0
128.2
7.0
41.1
133.0
8.0
43.2
138.0
9.0
45.4
143.2
10.0
47.7
148.4
11.0
50.0
153.8
12.0
52.4
159.3
13.0
54.9
164.9
14.0
RC/FC Series Installation, Operation, and Maintenance Manual
Temp
°F
60.0
62.0
64.0
66.0
68.0
70.0
72.0
74.0
76.0
78.0
80.0
82.0
84.0
86.0
88.0
90.0
92.0
94.0
96.0
98.0
100.0
102.0
104.0
106.0
108.0
110.0
112.0
232.8
114.0
116.0
118.0
253.0
120.0
122.0
124.0
126.0
128.0
289.2
130.0
296.9
132.0
304.7
134.0
136.0
138.0
140.0
142.0
345.9
144.0
354.6
146.0
363.5
148.0
150.0
R-22
R-134A
R-410A
101.6
57.4
170.7
105.4
60.0
176.6
109.3
62.7
182.7
113.2
65.4
188.9
117.3
68.2
195.3
121.4
71.1
201.8
125.7
74.1
208.4
130.0
77.1
215.2
134.5
80.2
222.2
139.0
83.4
229.3
143.6
86.7
236.5
148.4
90.0
244.0
153.2
93.5
251.6
158.2
97.0
259.3
163.2
100.6
267.3
168.4
104.3
275.4
173.7
108.1
283.6
179.1
112.0
292.1
184.6
115.9
300.7
190.2
120.0
309.5
195.9
124.2
318.5
201.8
128.4
327.7
207.7
132.7
337.1
213.8
137.2
346.7
220.0
141.7
356.5
226.4
146.4
366.4
151.1
376.6
239.4
156.0
387.0
246.1
160.9
397.6
166.0
408.4
260.0
171.2
419.4
267.1
176.5
430.7
274.3
181.8
442.1
281.7
187.4
453.8
193.0
465.8
198.7
477.9
204.6
490.3
312.6
210.6
503.0
320.7
216.7
515.9
329.0
222.9
529.1
337.4
229.2
542.5
235.7
556.2
242.3
570.2
249.0
584.5
372.5
255.9
599.0
381.7
262.9
613.9
Page 55 of 80
Temp
°C
16.0
17.0
18.0
19.0
20.0
21.0
22.0
23.0
24.0
26.0
27.0
28.0
29.0
30.0
31.0
32.0
33.0
34.0
36.0
37.0
38.0
39.0
40.0
41.0
42.0
43.0
44.0
46.0
47.0
48.0
49.0
50.0
51.0
52.0
53.0
54.0
56.0
57.0
58.0
59.0
60.0
61.0
62.0
63.0
64.0
66.0
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