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°F
Psig
°F
Psig
32
100.8
48
137.1
33
102.9
49
139.6
34
105.0
50
142.2
35
107.1
51
144.8
36
109.2
52
147.4
37
111.4
53
150.1
38
113.6
54
152.8
39
115.8
55
155.5
40
118.0
56
158.2
41
120.3
57
161.0
42
122.6
58
163.9
43
125.0
59
166.7
44
127.3
60
169.6
45
129.7
61
172.6
46
132.2
62
175.4
47
134.6
Charging Temperatures and Pressures – High Speed Only
Unit
Table 1 – Subcooling Values (High Capacity)
Saturation Temperature minus Liquid Temperature °F (°C) ± 1°F (0.5°C)
Temp. °F (°C)
Table 2 – Approach Values (High Capacity)
Liquid Line Temperature minus Outdoor Ambient Temperature °F (°C) ± 1°F (0.5°C)
Temp. °F (°C)
Table 3 – Normal Operating Pressures (Liquid ± 10 / Suction ± 5 psig)
Air Temp Entering
Outdoor Coil
°F (°C)
65 (18.3)
70 (21.1)
75 (23.9)
80 (26.6)
85 (29.4)
90 (32.2)
95 (35.0)
100 (37.7)
105 (40.6)
110 (43.3)
115 (46.1)
°F
Psig
°F
63
178.5
79
64
181.6
80
65
184.3
81
66
187.7
82
67
190.9
83
68
194.1
84
69
197.3
85
70
200.6
86
71
203.9
87
72
207.2
88
73
210.6
89
74
214.0
90
75
217.4
91
76
220.9
92
77
224.4
93
78
228.0
Table 28. HFC-410A Temperature (°F) - Pressure (Psig)
-024
12 (6.7)
3 (1.7)
The values below are typical pressures; indoor evaporator match-up, indoor air quantity,
and evaporator load will cause the pressure to vary.
Liquid Line Pressure / Vapor Line Pressure
234 / 141
251 / 142
271 / 143
292 / 144
314 / 145
337 / 146
361 / 147
387 / 148
414 / 149
444 / 150
474 / 151
Figure 52. Charging Label
Psig
°F
Psig
°F
231.6
94
290.8
110
235.3
95
295.1
111
239.0
96
299.4
112
242.7
97
303.8
113
246.5
98
308.2
114
250.3
99
312.7
115
254.1
100
317.2
116
258.0
101
321.8
117
262.0
102
326.4
118
266.0
103
331.0
119
270.0
104
335.7
120
274.1
105
340.5
121
278.2
106
345.3
122
282.3
107
350.1
123
286.5
108
355.0
124
109
360.0
-036
6 (3.3)
7 (3.9)
228 / 133
243 / 134
262 / 136
283 / 137
305 / 138
328 / 139
352 / 141
377 / 142
403 / 143
431 / 144
459 / 145
Page 94
Psig
°F
Psig
365.0
125
445.9
370.0
126
451.8
375.1
127
457.6
380.2
128
463.5
385.4
129
469.5
390.7
130
475.6
396.0
131
481.6
401.3
132
487.8
406.7
133
494.0
412.2
134
500.2
417.7
135
506.5
423.2
136
512.9
428.8
137
519.3
434.5
138
525.8
440.2
139
532.4
140
539.0
-048
10 (5.6)
10 (5.6)
3 (1.7)
3 (1.7)
228 / 137
229 / 132
244 / 138
246 / 134
264 / 139
266 / 135
284 / 140
288 / 136
306 / 141
310 / 137
329 / 142
333 / 138
353 / 144
358 / 139
378 / 145
383 / 140
403 / 146
410 / 141
430 / 147
439 / 142
459 / 148
468 / 144
°F
Psig
141
545.6
142
552.3
143
559.1
144
565.9
145
572.8
146
579.8
147
586.8
148
593.8
149
601.0
150
608.1
151
615.4
152
622.7
153
630.1
154
637.5
155
645.0
-060
31-5000746 Rev. 0
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