Table 8A Cooling Pressure - Standard Airflow; Table 8B Cooling Pressure - Balanced Climate Airflow - Bard Q36A4DA Installation Instructions Manual

Return Air Temp
Model
(DB/WB)
75/62
Q36A4D 80/67
85/72
75/62
Q42A4D 80/67
85/72
75/62
Q48A4D 80/67
85/72
Low side pressure ± 4 PSIG
High side pressure ± 10 PSIG
Return Air Temp
Model
(DB/WB)
75/62
Q36A4D 80/67
85/72
75/62
Q42A4D 80/67
85/72
75/62
Q48A4D 80/67
85/72
Low side pressure ± 4 PSIG
High side pressure ± 10 PSIG
Tables are based upon rated CFM (airflow) across the evaporator coil. If there is any doubt as to correct operating charge being in
the system, the charge should be removed and system evacuated and recharged to serial plate charge weight.
NOTE: Pressure table based on high speed condenser fan operation. If condensing pressures appear elevated check condenser fan
wiring. See Condenser Fan Operation on page 28.
Manual 2100-752B
Page 36 of 49
TABLE 8A
Cooling Pressure – Standard Airflow
Pressure 75 80
Low Side 127 128
High Side 321 340
Low Side 136 137
High Side 329 349
Low Side 141 141
High Side 341 361
Low Side 129 130
High Side 338 359
Low Side 138 139
High Side 347 369
Low Side 142 143
High Side 359 381
Low Side 123 125
High Side 337 357
Low Side 132 134
High Side 346 367
Low Side 137 138
High Side 358 379
TABLE 8B
Cooling Pressure – Balanced Climate Airflow
Pressure 75 80
Low Side 115 116
High Side 311 332
Low Side 123 125
High Side 319 340
Low Side 128 129
High Side 330 352
Low Side 115 119
High Side 327 351
Low Side 123 127
High Side 336 360
Low Side 127 131
High Side 347 372
Low Side 115 116
High Side 328 348
Low Side 123 124
High Side 336 357
Low Side 127 128
High Side 348 370
Air Temperature Entering Outdoor Coil °F
85 90 95 100
128 129 130 132
361 384 408 434
137 138 140 141
371 394 419 445
142 143 144 146
384 408 433 461
131 132 133 134
382 405 429 454
140 141 142 143
391 415 440 466
145 146 147 148
405 430 455 482
126 128 129 130
379 401 424 449
135 137 138 140
388 411 435 460
140 141 143 144
402 425 450 476
Air Temperature Entering Outdoor Coil °F
85 90 95 100
118 119 120 122
353 375 399 423
126 127 129 130
362 385 409 434
130 132 133 135
375 398 423 449
122 125 128 130
375 399 424 450
131 134 137 139
384 409 435 461
135 139 141 144
398 424 450 477
117 118 119 121
370 392 416 441
125 126 128 129
379 402 427 452
129 131 132 134
392 416 441 468
105 110 115 120
133 135 137 138
461 490 521 554
143 144 146 149
473 503 535 568
148 149 152 154
490 521 553 588
135 137 138 140
480 508 536 565
145 146 148 149
493 521 549 579
150 151 153 155
510 539 569 600
132 133 135 136
474 501 529 558
141 143 144 146
487 514 543 573
146 148 149 151
504 532 562 593
105 110 115 120
123 125 127 128
449 476 503 532
132 134 135 137
460 488 516 546
137 138 140 142
477 505 534 565
131 133 133 133
476 503 530 558
140 142 142 143
488 516 544 572
145 147 147 148
505 534 563 592
122 124 126 127
466 493 521 550
131 132 134 136
478 506 534 564
135 137 139 141
495 523 553 484
125
141
587
151
603
156
624
141
595
151
610
156
631
137
588
147
604
152
625
125
130
562
139
576
144
596
133
587
143
602
148
623
130
580
139
595
143
615