APPROVED MATCHED SYSTEM COMPONENTS, TARGETED SUBCOOLING (SC) VALUES AND
ADD CHARGE VALUES
Listed below are the approved matched system | Subcooling values listed in the following tables are based | ||||||||
components (air handlers and indoor coils), targeted | on outdoor ambient air temperature of: |
|
| ||||||
subcooling and add charge values for the XP14. This | S 60°F (15.5°C) and above for cooling mode | ||||||||
information is also listed on the unit charging sticker | |||||||||
|
|
|
|
| |||||
located on the outdoor unit access panel. |
| S 59°F (15.0°C) and below for heating mode. | |||||||
| Table 3. HFC−410A Temperature (°F) − Pressure (Psig) |
|
| ||||||
|
|
|
|
|
|
|
|
| |
°F | °C |
| Psig | °F | °C |
| Psig |
| |
−40 | −40.0 |
| 11.6 | 60 | 15.6 |
| 170 |
| |
−35 | −37.2 |
| 14.9 | 65 | 18.3 |
| 185 |
| |
−30 | −34.4 |
| 18.5 | 70 | 21.1 |
| 201 |
| |
−25 | −31.7 |
| 22.5 | 75 | 23.9 |
| 217 |
| |
−20 | −28.9 |
| 26.9 | 80 | 26.7 |
| 235 |
| |
−15 | −26.1 |
| 31.7 | 85 | 29.4 |
| 254 |
| |
−10 | −23.3 |
| 36.8 | 90 | 32.2 |
| 274 |
| |
−5 | −20.6 |
| 42.5 | 95 | 35.0 |
| 295 |
| |
0 | −17.8 |
| 48.6 | 100 | 37.8 |
| 317 |
| |
5 | −15.0 |
| 55.2 | 105 | 40.6 |
| 340 |
| |
10 | −12.2 |
| 62.3 | 110 | 43.3 |
| 365 |
| |
15 | −9.4 |
| 70.0 | 115 | 46.1 |
| 391 |
| |
20 | −6.7 |
| 78.3 | 120 | 48.9 |
| 418 |
| |
25 | −3.9 |
| 87.3 | 125 | 51.7 |
| 446 |
| |
30 | −1.1 |
| 96.8 | 130 | 54.4 |
| 476 |
| |
35 | 1.7 |
| 107 | 135 | 57.2 |
| 507 |
| |
40 | 4.4 |
| 118 | 140 | 60.0 |
| 539 |
| |
45 | 7.2 |
| 130 | 145 | 62.8 |
| 573 |
| |
50 | 10.0 |
| 142 | 150 | 65.6 |
| 608 |
| |
55 | 12.8 |
| 155 |
|
|
|
|
| |
Table 4. Normal Operating Pressures − Liquid +10 and Vapor +5 PSIG
IMPORTANT
Use table 4 as a general guide when performing maintenance checks. This is not a procedure for charging the unit (Refer to Charging / Checking Charge section). Minor variations in these pressures may be expected due to differences in instal- lations. Significant differences could mean that the system is not properly charged or that a problem exists with some component in the system.
Vapor Pressure
Model |
|
| Heating |
|
|
|
|
|
|
|
| Cooling |
|
|
|
|
|
Number |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ºF (ºC)* | 20 | 30 | 40 | 50 | 60 | 65 | 70 | 75 |
| 80 | 85 | 90 | 95 | 100 | 105 | 110 | 115 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
−018 | 67 | 83 | 100 | 118 | 137 | 145 | 145 | 146 |
| 147 | 148 | 149 | 151 | 151 | 153 | 154 | 155 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
−024 | 58 | 72 | 88 | 105 | 123 | 139 | 140 | 142 |
| 143 | 144 | 145 | 145 | 146 | 147 | 147 | 148 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
−030 | 55 | 69 | 84 | 102 | 122 | 135 | 136 | 138 |
| 140 | 141 | 143 | 144 | 145 | 147 | 148 | 149 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
−036 | 62 | 76 | 91 | 106 | 124 | 135 | 137 | 139 |
| 141 | 143 | 145 | 146 | 148 | 150 | 151 | 153 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
−042 | 58 | 73 | 89 | 108 | 130 | 127 | 129 | 131 |
| 132 | 134 | 136 | 137 | 139 | 140 | 141 | 142 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
−048 | 60 | 75 | 90 | 105 | 121 | 136 | 137 | 138 |
| 139 | 140 | 141 | 142 | 143 | 144 | 146 | 147 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
−060 | 56 | 70 | 84 | 99 | 114 | 132 | 133 | 134 |
| 135 | 137 | 138 | 139 | 141 | 142 | 143 | 144 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Liquid Pressure |
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ºF (ºC)* | 20 | 30 | 40 | 50 | 60 | 65 | 70 | 75 |
| 80 | 85 | 90 | 95 | 100 | 105 | 110 | 115 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
−018 | 272 | 287 | 305 | 321 | 339 | 242 | 259 | 279 |
| 302 | 326 | 351 | 376 | 406 | 433 | 462 | 498 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
−024 | 281 | 295 | 309 | 324 | 340 | 243 | 262 | 281 |
| 302 | 325 | 348 | 373 | 399 | 426 | 454 | 483 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
−030 | 274 | 286 | 299 | 313 | 327 | 250 | 268 | 288 |
| 308 | 330 | 352 | 376 | 400 | 426 | 452 | 480 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
−036 | 287 | 304 | 322 | 342 | 365 | 230 | 248 | 268 |
| 288 | 311 | 334 | 359 | 385 | 412 | 441 | 471 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
−042 | 293 | 335 | 368 | 394 | 411 | 215 | 234 | 254 |
| 275 | 298 | 321 | 346 | 371 | 398 | 426 | 455 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
−048 | 282 | 299 | 316 | 334 | 353 | 219 | 237 | 256 |
| 277 | 298 | 321 | 344 | 369 | 395 | 422 | 450 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
−060 | 266 | 285 | 309 | 337 | 369 | 222 | 241 | 262 |
| 283 | 306 | 330 | 354 | 380 | 406 | 434 | 463 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
*Temperature of the air entering the outside coil.
Page 27
XP14 SERIES