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TABLE 7. HFC-410A Normal Operating Pressures – Heating Mode (Liquid ±10 and Suction ±5 psig)*
ELP090 / ELA090
Outdoor Air
Temp
Liquid
60º F (15º C)
364
50º F (10º C)
343
40º F (4º C)
324
30º F (-1º C)
311
20º F (-6º C)
297
10º F (-12º C)
280
SCFM
2760
*pressures at 70°F dry bulb entering indoor air temperature.
°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
ELP120 / ELA120
Suction
Liquid
Suction
121
335
115
100
322
101
83
308
86
72
294
72
57
280
58
44
266
44
4000
TABLE 8. HFC-410A Temperature (ºF) – Pressure (Psig)
°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
Stg 1 Liquid
Stg 1 Suction
370
350
338
322
311
299
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
Page 15
(2) ELP090 + ELA240
Stg 2 Liquid
119
370
100
350
82
338
64
322
50
311
37
299
6125
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
Stg 2 Suction
119
100
82
64
50
37
°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
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