Carrier Weathermaster 48P030-100 - Page 20

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Table 14 — Fan Performance — 50P2,P3,P6,P7055 Units with Discharge Plenum and 50P4,P5,P8,P9055 Units
a,b,c
NOTE(S):
a. Fan performance is based on wet coils and clean 2 in. filters.
b. See Component Pressure Drop data table before using Fan Performance tables.
c. To convert bhp to kW, use the formula:
Kilowatts = bhp x 0.746 
Motor efficiency
See Physical Data table for motor efficiency.
AIRFLOW
(cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp
10,000 217 1.21 258 1.71 296 2.29 334 2.97 371 3.76 407 4.63 440 5.56 471 6.51
12,500 248 2.01 286 2.63 319 3.26 349 3.95 380 4.71 410 5.58 440 6.52 469 7.54
15,000 281 3.13 317 3.90 347 4.64 374 5.38 400 6.18 425 7.03 450 7.95 476 8.95
17,500 315 4.64 348 5.55 378 6.43 403 7.29 426 8.16 449 9.05 471 10.00 493 10.99
20,000 351 6.64 381 7.64 409 8.68 433 9.68 456 10.66 477 11.64 497 12.65 516 13.68
22,500 389 9.20 414 10.25 440 11.43 464 12.59 486 13.71 506 14.81 525 15.91 543 17.03
25,000 427 12.39 449 13.48 473 14.75 496 16.06 517 17.34 537 18.59 555 19.82 573 21.04
AIRFLOW
(cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2
rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp
10,000 500 7.48 527 8.46 552 9.45 576 10.44 598 11.42 619 12.41 639 13.41 659 14.41
12,500 498 8.63 525 9.76 552 10.93 577 12.12 601 13.32 624 14.54 646 15.76 667 16.99
15,000 501 10.03 526 11.17 550 12.38 575 13.65 598 14.97 621 16.32 644 17.71 666 19.11
17,500 514 12.05 536 13.17 557 14.35 579 15.60 600 16.91 621 18.28 643 19.70 663 21.18
20,000 535 14.76 554 15.88 573 17.06 592 18.29 611 19.58 630 20.91 649 22.31 668 23.77
22,500 561 18.17 579 19.34 596 20.54 613 21.78 629 23.06 646 24.40 663 25.78 680 27.20
25,000 590 22.27 606 23.51 622 24.78 637 26.07 653 27.39 668 28.75 683 30.13 699 31.56
AIRFLOW
(cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4 3.6 3.8 4.0
rpm bhp rpm bhp rpm bhp rpm bhp
10,000 677 15.40 695 16.40 712 17.40 728 18.41
12,500 687 18.22 706 19.45 725 20.69 742 21.92
15,000 687 20.54 707 21.98 727 23.43 746 24.89
17,500 684 22.69 704 24.24 724 25.83 743 27.43
20,000 686 25.27 705 26.84 723 28.44 742 30.09
22,500 697 28.68 713 30.21 730 31.79 747 33.42
25,000 71433.0472934.55————
LEGEND
50P3,P5,P7,P9 units only.
bhp — Brake Horsepower