Normal Operating Pressures
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Outdoor Coil |
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Entering Air |
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Temperature |
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L |
| S | L |
| S | L |
| S | L |
| S | L |
| S | L |
| S | L |
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| Expansion Valve (TXV) |
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65°F | 141 |
| 80 | 147 |
| 79 | 141 |
| 76 | 145 |
| 74 | 143 |
| 78 | 145 |
| 80 | 151 |
| 76 |
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75°F | 166 |
| 81 | 173 |
| 80 | 167 |
| 77 | 170 |
| 76 | 167 |
| 80 | 170 |
| 81 | 177 |
| 78 |
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85°F | 195 |
| 82 | 218 |
| 82 | 195 |
| 78 | 201 |
| 77 | 198 |
| 81 | 198 |
| 82 | 207 |
| 79 |
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95°F | 222 |
| 83 | 234 |
| 82 | 227 |
| 80 | 234 |
| 78 | 231 |
| 82 | 230 |
| 84 | 240 |
| 80 |
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105°F | 258 |
| 85 | 267 |
| 84 | 260 |
| 81 | 268 |
| 79 | 268 |
| 84 | 265 |
| 85 | 277 |
| 81 |
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115°F | 294 |
| 86 | 307 |
| 85 | 299 |
| 83 | 309 |
| 81 | 308 |
| 85 | 303 |
| 86 | 318 |
| 83 |
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| Fixed Orifice (RFC) |
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65°F | 144 |
| 73 | 147 |
| 68 | 140 |
| 66 | 150 |
| 67 | 147 |
| 70 | 145 |
| 70 | 150 |
| 67 |
75°F | 167 |
| 78 | 173 |
| 74 | 166 |
| 71 | 176 |
| 72 | 171 |
| 75 | 170 |
| 75 | 177 |
| 72 |
85°F | 196 |
| 82 | 203 |
| 79 | 196 |
| 76 | 205 |
| 76 | 198 |
| 78 | 198 |
| 80 | 207 |
| 77 |
95°F | 225 |
| 84 | 238 |
| 83 | 227 |
| 80 | 237 |
| 79 | 228 |
| 81 | 230 |
| 84 | 239 |
| 80 |
105°F | 256 |
| 86 | 272 |
| 86 | 262 |
| 83 | 273 |
| 81 | 262 |
| 84 | 264 |
| 86 | 274 |
| 83 |
115°F | 293 |
| 88 | 317 |
| 88 | 302 |
| 86 | 314 |
| 84 | 300 |
| 85 | 301 |
| 88 | 315 |
| 85 |
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L – Liquid S – Suction
Values provided above are typical pressures. Indoor unit matchup, indoor air quality, and indoor load will cause pressures to vary.
Table 9
# 48283B006 | Page 13 |