Operating and Temperature Pressures
Minor variations in these pressures may be expected due to differences in installations. Significant differences could mean that the system is not properly charged or that a problem exists with some component in the system. The normal operating pressures listed here are also located on the unit charging sticker located on the unit access panel.
Table 10. Normal Operating Pressure − Liquid +10 and Vapor +5 PSIG*
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| Use this table to perform maintenance checks; it is not a procedure for charging the | |||||||||
IMPORTANT | system. Minor variations in these pressures may be due to differences in installations. | ||||||||||||
Significant deviations could mean that the system is not properly charged or that a | |||||||||||||
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| problem exists with some component in the system. |
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Model | XP17−024 | XP17−030 | XP17−036 | XP17−042 | XP17−048 | XP17−060 | |||||||
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| Heating Operation |
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5F (5C)** | Liquid | Vapor | Liquid | Vapor | Liquid | Vapor | Liquid | Vapor | Liquid | Vapor | Liquid | Vapor | |
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20 (−6.6) | 291 | 65 | 303 |
| 63 | 280 | 60 | 288 | 59 | 324 | 63 | 330 | 58 |
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30 (−1.1) | 309 | 79 | 328 |
| 77 | 290 | 74 | 306 | 68 | 345 | 76 | 354 | 72 |
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40 (4.4) | 319 | 94 | 338 |
| 92 | 310 | 88 | 320 | 85 | 366 | 91 | 368 | 83 |
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50 (10.0) | 340 | 110 | 366 |
| 110 | 326 | 105 | 339 | 107 | 398 | 109 | 391 | 107 |
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60 (15.5) | 361 | 129 | 387 |
| 128 | 344 | 124 | 361 | 125 | 428 | 127 | 413 | 126 |
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| Cooling Operation |
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65 (18.3) | 233 | 143 | 234 |
| 137 | 227 | 137 | 234 | 138 | 240 | 136 | 238 | 133 |
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70 21.1) | 250 | 144 | 251 |
| 139 | 243 | 139 | 250 | 139 | 256 | 138 | 256 | 135 |
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75 (23.9) | 269 | 145 | 270 |
| 141 | 262 | 140 | 269 | 141 | 275 | 139 | 278 | 136 |
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80 (26.7) | 289 | 147 | 291 |
| 142 | 284 | 141 | 292 | 143 | 297 | 140 | 299 | 137 |
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85 (29.4) | 310 | 148 | 312 |
| 143 | 306 | 142 | 315 | 144 | 319 | 141 | 322 | 138 |
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90 (32.2) | 332 | 149 | 335 |
| 145 | 329 | 143 | 337 | 146 | 342 | 142 | 344 | 139 |
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95 (35.0) | 356 | 150 | 358 |
| 146 | 354 | 144 | 362 | 147 | 366 | 144 | 369 | 140 |
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100 (37.8) | 379 | 151 | 383 |
| 147 | 377 | 144 | 386 | 148 | 392 | 144 | 395 | 141 |
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105 (40.6) | 405 | 152 | 408 |
| 148 | 406 | 147 | 415 | 147 | 418 | 146 | 422 | 142 |
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110 (43.3) | 431 | 153 | 433 |
| 149 | 434 | 148 | 442 | 148 | 446 | 148 | 450 | 143 |
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115 (46.1) | 456 | 155 | 462 |
| 150 | 463 | 150 | 472 | 150 | 475 | 150 | 481 | 145 |
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*These are most−popular−match−up pressures. Indoor match up, indoor air quality, and indoor load cause pressures to vary. **Temperature of the air entering the outdoor coil.
Table 11. HFC−410A Temperature (°F) − 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 |
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| 78 | 228.0 |
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| 109 | 360.0 |
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| 140 | 539.0 |
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Page 31
XP17 SERIES
