TABLE 13
COOLING PRESSURE (PSI) – OUTDOOR TEMPERATURE °F
AIR TEMPERATURE ENTERING OUTDOOR COIL °F
| Return Air |
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Model | Temperature | Pressure | 75 | 80 | 85 | 90 | 95 | 100 | 105 | 110 | 115 | |
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| 75 deg DB | Low Side | 76 | 78 | 80 | 81 | 83 | 84 | 85 | 87 | 88 | |
| 62 deg WB | High Side | 235 | 249 | 263 | 277 | 291 | 305 | 319 | 333 | 347 | |
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WH301 | 80 deg DB | Low Side | 81 | 83 | 85 | 87 | 88 | 90 | 91 | 93 | 94 | |
67 deg WB | High Side | 241 | 255 | 269 | 284 | 298 | 312 | 327 | 341 | 356 | ||
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| 85 deg DB | Low Side | 88 | 90 | 92 | 93 | 95 | 97 | 98 | 100 | 101 | |
| 72 deg WB | High Side | 250 | 264 | 279 | 294 | 308 | 323 | 338 | 353 | 368 | |
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| 75 deg DB | Low Side | 69 | 71 | 73 | 75 | 76 | 78 | 80 | 82 | 83 | |
| 62 deg WB | High Side | 210 | 226 | 242 | 257 | 273 | 290 | 306 | 323 | 339 | |
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WH361 | 80 deg DB | Low Side | 73 | 76 | 78 | 80 | 82 | 84 | 85 | 87 | 89 | |
67 deg WB | High Side | 216 | 232 | 248 | 264 | 281 | 297 | 314 | 331 | 348 | ||
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| 85 deg DB | Low Side | 79 | 81 | 84 | 86 | 88 | 90 | 92 | 94 | 95 | |
| 72 deg WB | High Side | 223 | 240 | 256 | 273 | 290 | 308 | 325 | 342 | 360 | |
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TABLE 14
HEATING PRESSURE (PSI) – OUTDOOR TEMPERATURE °F
AIR TEMPERATURE ENTERING OUTDOOR COIL °F
| Return Air |
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Model | Temperature | Pressure | 0 | 5 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | |
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WH301 | 70o | Low Side | 21 | 25 | 28 | 32 | 36 | 39 | 43 | 47 | 51 | 55 | 59 | 63 | 67 | |
High Side | 143 | 148 | 153 | 159 | 165 | 172 | 180 | 188 | 197 | 207 | 217 | 228 | 239 | |||
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WH361 | 70o | Low Side | 22 | 25 | 28 | 31 | 34 | 38 | 42 | 46 | 50 | 55 | 60 | 65 | 70 | |
High Side | 145 | 152 | 159 | 167 | 177 | 186 | 197 | 208 | 220 | 233 | 246 | 260 | 275 | |||
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Low side pressure ± 2 psig
High side pressure ± 5 psig
Tables are based upon rated CFM (airflow) across the evaporator coil and should be found under section titled “Refrigerant Charge” on Page 24 in manual. If there is any doubt as to correct charge being in the system, the charge should be removed, system evacuated and recharged to serial plate instructions.
Manual | |
Page | 25 of 26 |