Armstrong Air 4SCU 16LS Series, Инструкция по установке и обслуживанию

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506859-01 Issue 1236 Page 18 of 32
Normal Operating Pressures
1st Stage (Low Capacity)
Outdoor Coil Entering Air
Temp. °F
4SCU16-24 4SCU16-36 4SCU16-48 4SCU16-60
L S L S L S L S
65 244 136 238 133 247 130 250 125
75 283 138 278 135 281 134 291 127
85 326 141 324 137 325 137 334 130
95 376 142 374 139 386 139 383 133
105 428 144 429 142 428 141 434 136
115 486 146 500 144 485 144 489 139
2nd Stage (High Capacity)
Outdoor Coil Entering Air
Temp. °F
4SCU16-24 4SCU16-36 4SCU16-48 4SCU16-60
L S L S L S L S
65 249 126 251 129 249 123 243 117
75 288 133 291 135 286 129 285 123
85 331 138 334 139 328 133 329 129
95 379 143 383 143 372 137 376 134
105 425 147 435 147 419 141 427 137
115 481 150 490 150 475 145 485 141
1st Stage (Low Capacity)
Outdoor Coil Entering Air
Temp. °F
4SCU18-24 4SCU18-36 4SCU18-48 4SCU18-60
L S L S L S L S
65 205 140 203 139 196 142 236 132
75 247 142 242 141 240 144 278 136
85 288 145 287 144 294 149 321 140
95 330 147 344 147 348 150 363 144
105 372 148 391 149 402 151 405 148
115 413 151 438 153 456 154 447 152
2nd Stage (High Capacity)
Outdoor Coil Entering Air
Temp. °F
4SCU18-24 4SCU18-36 4SCU18-48 4SCU18-60
L S L S L S L S
65 212 137 210 141 237 137 248 123
75 254 139 247 143 286 139 293 128
85 295 142 298 145 330 140 337 132
95 337 144 349 147 374 142 382 137
105 379 146 400 149 418 144 427 142
115 424 149 451 151 462 145 471 146
L- Liquid S- Suction
Values provided above are typical pressures. Indoor unit matchup, indoor air quality equipement,
and indoor load will acase pressure to vary.
Table 8