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Table 10 — Fan Performance (Forward Curved) — 48/50MP82N*
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.50 0.75 1.00 1.25 1.50 1.75
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
22,000 293 6.2 326 7.7 359 9.3 392 11.2 425 13.2 457 15.3
24,000 308 7.6 339 9.1 369 10.8 399 12.7 429 14.7 459 16.9
26,000 324 9.2 352 10.8 380 12.6 408 14.5 436 16.6 464 18.8
28,000 341 11.0 367 12.7 393 14.6 419 16.5 445 18.7 471 20.9
30,000 358 13.1 382 14.9 407 16.8 431 18.9 455 21.1 480 23.4
32,000 375 15.5 398 17.4 421 19.4 444 21.5 467 23.8 490 26.2
34,000 393 18.2 415 20.2 436 22.3 458 24.5 479 26.8 501 29.3
36,000 411 21.2 432 23.3 452 25.5 473 27.8 493 30.2 513 32.7
38,000 430 24.6 449 26.8 468 29.1 488 31.4 507 33.9 526 36.5
40,000 448 28.3 467 30.6 485 33.0 504 35.5 522 38.1 540 40.7
42,000 467 32.5 485 34.9 502 37.3 520 39.9 537 42.6 555 45.4
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.00 2.25 2.50 2.75 3.00
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
22,000 462 15.0 489 16.8 515 18.7 541 20.7 567 22.9
24,000 466 16.6 491 18.5 516 20.4 540 22.4 564 24.5
26,000 472 18.6 495 20.4 519 22.3 542 24.4 564 26.5
28,000 480 20.8 502 22.7 524 24.6 546 26.7 567 28.8
30,000 489 23.4 510 25.3 531 27.2 551 29.3 572 31.4
32,000 500 26.2 520 28.1 539 30.2 559 32.2 578 34.4
34,000 512 29.4 530 31.4 549 33.4 568 35.5 586 37.7
36,000 524 32.9 542 34.9 560 37.0 578 39.2 595 41.4
38,000 538 36.8 555 38.9 572 41.0 589 43.2 605 45.5
40,000 552 41.0 568 43.2 584 45.4 601 47.7 617 50.0
42,000 567 45.7 582 47.9 598 50.2 613 52.5 629 54.9
LEGEND
Bhp — Brake Horsepower
*Refer toFan Performance, 48MPUnits section, forcorrect procedure on
48MP units.
NOTES:
1. Fan performance is based on wet coils and clean 2-in. filters.
2. Conversion — Bhp to kW:
Bhp × .746
kW =
Motor efficiency
See Table 1 for motor efficiency.
Table 11 — Fan Performance (Forward Curved) — 48/50MP90P*
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.50 0.75 1.00 1.25 1.50 1.75
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
22,000 297 6.9 329 7.9 360 8.9 375 9.8 402 11.4 430 13.0
24,000 313 8.5 343 9.6 371 10.7 395 11.7 420 13.2 445 14.8
26,000 330 10.3 357 11.5 384 12.7 410 13.8 430 15.3 452 16.9
28,000 347 12.3 373 13.6 398 14.9 422 16.2 442 17.4 462 19.0
30,000 365 14.6 389 16.0 412 17.4 436 18.8 449 19.8 469 21.4
32,000 381 16.5 400 17.9 420 19.4 440 21.0 460 22.7 480 24.5
34,000 400 19.4 418 20.9 437 22.4 455 24.1 474 25.8 493 27.6
36,000 419 22.6 437 24.2 454 25.8 472 27.5 489 29.3 507 31.2
38,000 439 26.2 455 27.9 472 29.6 488 31.3 505 33.2 522 35.1
40,000 458 30.3 474 32.0 490 33.7 505 35.5 521 37.4 537 39.4
42,000 478 34.7 493 36.4 508 38.3 523 40.2 538 42.1 553 44.1
44,000 498 39.5 512 41.3 527 43.2 541 45.2 555 47.2 570 49.3
46,000 518 44.8 532 46.7 546 48.7 559 50.7 573 52.8 587 54.9
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.00 2.25 2.50 2.75 3.00 3.25
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
22,000 455 14.5 480 16.0 506 17.8 532 19.5 555 21.5 578 23.5
24,000 465 16.4 485 18.0 515 20.0 545 22.0 568 23.8 590 25.5
26,000 475 18.5 500 20.5 525 22.5 548 24.5 570 26.2 590 28.0
28,000 486 20.8 510 22.5 531 24.5 552 26.5 572 28.5 592 30.5
30,000 488 23.0 510 24.8 532 26.5 552 28.6 572 30.8 590 33.0
32,000 501 26.3 522 28.3 542 30.4 563 32.5 585 34.8 602 36.5
34,000 512 29.5 532 31.5 551 33.6 571 35.8 590 38.1 610 40.4
36,000 525 33.1 543 35.1 561 37.2 580 39.4 598 41.7 617 44.1
38,000 539 37.1 556 39.1 573 41.2 590 43.5 607 45.7 625 48.1
40,000 553 41.4 569 43.5 585 45.7 602 47.9 618 50.2 634 52.6
42,000 568 46.2 584 48.3 599 50.5 614 52.8 630 55.2 645 57.6
44,000 584 51.4 599 53.6 613 55.8 628 58.2 642 60.6 657 63.0
46,000 600 57.1 614 59.3 628 61.6 642 64.0 656 66.4 670 68.0
LEGEND
Bhp — Brake Horsepower
*Refer toFan Performance, 48MPUnits section, forcorrect procedure on
48MP units.
NOTES:
1. Fan performance is based on wet coils and clean 2-in. filters.
2. Conversion — Bhp to kW:
Bhp × .746
kW =
Motor efficiency
See Table 1 for motor efficiency.
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