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TABLE 7. HFC-410A Normal Operating Pressures – Heating Mode (Liquid ±10 and Suction ±5 psig)*
Outdoor Air
Temp
ELP090 / ELA090 ELP120 / ELA120 (2) ELP090 + ELA240
Liquid Suction Liquid Suction Stg 1 Liquid Stg 1 Suction Stg 2 Liquid Stg 2 Suction
60º F (15º C) 364 121 335 115 370 119 370 119
50º F (10º C) 343 100 322 101 350 100 350 100
40º F (4º C) 324 83 308 86 338 82 338 82
30º F (-1º C) 311 72 294 72 322 64 322 64
20º F (-6º C) 297 57 280 58 311 50 311 50
10º F (-12º C) 280 44 266 44 299 37 299 37
SCFM 2760 4000 6125
*pressures at 70°F dry bulb entering indoor air temperature.
TABLE 8. HFC-410A Temperature (ºF) – Pressure (Psig)
°F Psig °F Psig °F Psig °F Psig °F Psig °F Psig °F Psig °F Psig
32 100.8 48 137.1 63 178.5 79 231.6 94 290.8 110 365.0
125 445.9
141 545.6
33 102.9 49 139.6 64 181.6 80 235.3 95 295.1 111 370.0 126 451.8 142 552.3
34 105.0 50 142.2 65 184.3 81 239.0 96 299.4 112 375.1 127 457.6 143 559.1
35 107.1 51 144.8 66 187.7 82 242.7 97 303.8 113 380.2 128 463.5 144 565.9
36 109.2 52 147.4 67 190.9 83 246.5 98 308.2 114 385.4 129 469.5 145 572.8
37 111.4 53 150.1 68 194.1 84 250.3 99 312.7 115 390.7 130 475.6 146 579.8
38 113.6 54 152.8 69 197.3 85 254.1 100 317.2 116 396.0 131 481.6 147 586.8
39 115.8 55 155.5 70 200.6 86 258.0 101 321.8 117 401.3 132 487.8 148 593.8
40 118.0 56 158.2 71 203.9 87 262.0 102 326.4 118 406.7 133 494.0 149 601.0
41 120.3 57 161.0 72 207.2 88 266.0 103 331.0 119 412.2 134 500.2 150 608.1
42 122.6 58 163.9 73 210.6 89 270.0 104 335.7 120 417.7 135 506.5 151 615.4
43 125.0 59 166.7 74 214.0 90 274.1 105 340.5 121 423.2 136 512.9 152 622.7
44 127.3 60 169.6 75 217.4 91 278.2 106 345.3 122 428.8 137 519.3 153 630.1
45 129.7 61 172.6 76 220.9 92 282.3 107 350.1 123 434.5 138 525.8 154 637.5
46 132.2 62 175.4 77 224.4 93 286.5 108 355.0 124 440.2 139 532.4 155 645.0
47 134.6 78 228.0 109 360.0 140 539.0
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