Service manual
HEC-Series Service Manual
TABLES & CHARTS
10/21/01
11-2
TEMPERATURE - PRESSURE CHART
FOR COMMON REFRIGERANTS
DegF
R-12 R-22 R-502
R-134a
MP-39
HP-62
HP-80
DegF
R-12 R-22 R-502
R-134a
MP-39
HP-62
HP-80
-50
-7.6 -3.0 0.2 -9.0 -9.1 0.0 1.2
50
46.7 84.0 97.4 45.5 45.3 102.9
111.4
-48
-7.2 -2.4 0.7 -8.7 -8.7 0.8 2.1
52
48.8 87.3 101.0
47.7 60.0 109.0
120.0
-46
-6.8 -1.7 1.5 -8.3 -8.3 1.6 2.9
54
51.0 90.8 104.8
50.1 62.0 113.0
124.0
-44
-6.3 -1.0 2.3 -8.0 -7.9 2.5 3.9
56
53.2 94.3 108.6
52.3 65.0 117.0
129.0
-42
-5.8 -0.2 3.2 -7.6 -7.4 3.4 4.9
58
55.4 97.9 112.4
55.0 68.0 121.0
133.0
-40
-5.4 0.5 4.1 -7.1 -7.1 5.5 5.9
60
57.7 101.6
116.4
57.5 70.0 125.0
138.0
-38
-4.9 1.3 5.0 -6.7 -6.6 6.5 6.9
62
60.1 105.4
120.4
60.1 73.0 130.0
142.0
-36
-4.4 2.2 6.0 -6.3 -6.1 7.5 8.0
64
62.5 109.3
124.6
62.7 76.0 134.0
147.0
-34
-3.8 3.0 7.0 -5.8 -5.6 8.6 9.2
66
65.0 113.2
128.8
65.5 79.0 139.0
152.0
-32
-3.3 4.0 8.1 -5.3 -5.2 9.7 10.3
68
67.6 117.3
133.2
68.3 82.0 144.0
157.0
-30
-2.7 4.9 9.2 -4.8 -4.4 10.8 11.6
70
70.2 121.4
137.6
71.2 85.0 148.0
162.0
-28
-2.1 5.9 10.3 -4.2 -4.1 12.0 12.8
72
72.9 125.7
142.2
74.2 89.0 153.0
168.0
-26
-1.5 6.9 11.5 -3.8 -3.4 13.2 14.1
74
75.6 130.0
146.8
77.2 92.0 158.0
173.0
-24
-0.8 7.9 12.7 -3.0 -2.9 14.5 15.5
76
78.4 134.5
151.5
80.3 95.0 164.0
179.0
-22
-0.1 9.0 14.0 -2.4 -2.2 15.8 16.9
78
81.3 139.0
156.3
83.5 99.0 169.0
184.0
-20
0.6 10.1 15.3 -1.8 -1.7 17.1 18.4
80
84.2 143.6
161.2
86.8 102.0
174.0
190.0
-18
1.3 11.3 16.7 -1.1 -1.0 18.5 19.9
82
87.2 148.4
166.2
90.2 106.0
180.0
196.0
-16
2.1 12.5 18.1 -0.4 -0.2 20.0 21.5
84
90.2 153.2
171.4
93.6 109.0
185.0
202.0
-14
2.8 13.8 19.5 0.3 0.4 21.5 23.1
86
93.3 158.2
176.6
97.1 113.0
191.0
208.0
-12
3.7 15.1 21.0 1.1 1.4 23.0 24.8
88
96.5 163.2
181.9
100.7 117.0
197.0
214.0
-10
4.5 16.5 22.6 1.9 2.2 24.6 26.5
90
99.8 168.4
187.4
104.4 121.0
203.0
220.0
-8
5.4 17.9 24.2 2.8 3.1 26.3 28.3
92
103.1
173.7
192.9
108.2 125.0
209.9
227.0
-6
6.3 19.3 25.8 3.6 3.9 28.0 30.2
94
106.5
179.1
198.6
112.1 129.0
215.0
234.0
-4
7.2 20.8 27.5 4.5 4.8 29.8 32.1
96
110.0
184.6
204.3
116.1 133.0
222.0
240.0
-2
8.2 22.4 29.3 5.5 5.7 31.6 34.1
98
113.5
190.2
210.2
120.1 138.0
229.0
247.0
0
9.2 24.0 31.1 6.5 6.7 33.5 36.1
100
117.2
195.9
216.2
124.3 142.0
235.0
254.0
2
10.2 25.6 32.9 7.5 7.7 35.6 38.1
102
120.9
201.8
222.3
128.5 146.0
242.0
261.0
4
11.2 27.3 34.9 8.5 8.8 37.4 40.4
104
124.7
207.7
228.5
132.9 151.0
249.0
269.0
6
12.3 29.1 36.9 9.6 9.9 39.4 42.6
106
128.5
213.8
234.9
137.3 156.0
256.0
276.0
8
13.5 30.9 38.9 10.8 11.0 41.6 44.9
108
132.4
220.0
241.3
142.8 160.0
264.0
284.0
10
14.6 32.8 41.0 12.0 12.2 43.9 47.3
110
136.4
226.4
247.9
146.5 165.0
271.0
292.0
12
15.8 34.7 43.2 13.1 13.4 46.0 49.7
112
140.5
232.8
254.6
151.3 170.0
279.0
299.0
14
17.1 36.7 45.4 14.4 14.6 48.3 52.2
114
144.7
239.4
261.5
156.1 175.0
286.0
307.0
16
18.4 38.7 47.7 15.7 15.9 50.7 54.8
116
148.9
246.1
268.4
161.1 180.0
294.0
316.0
18
19.7 40.9 50.0 17.0 17.2 53.1 57.5
118
153.2
252.9
275.5
166.1 185.0
302.0
324.0
20
21.0 43.0 52.5 18.4 18.6 55.6 60.2
120
157.7
259.9
282.7
171.3 191.0
311.0
332.0
22
22.4 45.3 54.9 19.9 20.0 58.2 63.0
122
162.2
267.0
290.1
176.6 196.0
319.0
341.0
24
23.9 47.6 57.5 21.4 21.5 59.9 65.9
124
166.7
274.3
297.6
182.0 202.0
328.0
350.0
26
25.4 49.9 60.1 22.9 23.0 63.6 68.9
126
171.4
281.6
305.2
187.5 207.0
336.0
359.0
28
26.9 52.4 62.8 24.5 24.6 66.5 72.0
128
176.2
289.1
312.9
193.1 213.0
345.0
368.0
30
28.5 54.9 65.6 26.1 26.2 69.4 75.1
130
181.0
296.8
320.8
198.9 219.0
354.0
377.0
32
30.1 57.5 68.4 27.8 27.9 72.3 78.3
132
185.9
304.6
328.9
204.7 225.0
364.0
387.0
34
31.7 60.1 71.3 29.5 29.6 75.4 81.6
134
191.0
312.5
337.1
210.7 231.0
373.0
396.0
36
33.4 62.8 74.3 31.3 31.3 78.5 85.0
136
196.2
320.6
345.4
216.8 237.0
383.0
406.0
38
35.2 65.6 77.4 33.2 33.2 81.8 88.5
138
201.3
328.9
353.9
223.0 243.0
392.0
416.0
40
36.9 68.5 80.5 35.1 35.0 85.1 92.1
140
206.6
337.3
362.6
229.4 250.0
402.0
426.0
42
38.8 71.5 83.8 37.0 37.0 88.5 95.7
142
212.0
345.8
371.4
235.8 256.0
412.0
436.0
44
40.7 74.5 87.0 39.1 39.0 91.9 99.5
144
217.5
354.5
380.4
242.4 263.0
423.0
447.0
46
42.7 77.6 90.4 42.0 41.0 95.5 103.4
146
223.1
363.4
389.5
249.2 269.0
434.0
458.0
48
44.7 80.7 93.9 43.3 43.1 99.2 107.3
148
228.8
372.3
398.9
256.0 277.0
444.0
468.0
50
46.7 84.0 97.4 45.5 45.3 102.9
111.4
150
234.6
381.5
408.4
263.0 283.0
449.0
479.0
TABLE 11-3