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