Carrier Weathermaster 48P030-100 Controls, Start-Up, Operation, Service, And Troubleshooting page 20

Table 14 — Fan Performance — 50P2,P3,P6,P7055 Units with Discharge Plenum and 50P4,P5,P8,P9055 Units
AIRFLOW
0.2
(cfm)
rpm bhp
10,000 217 1.21
12,500 248 2.01
15,000 281 3.13
17,500 315 4.64
20,000 351 6.64
22,500 389 9.20
25,000 427 12.39
AIRFLOW
1.8
(cfm)
rpm bhp
10,000 500 7.48
12,500 498 8.63
15,000 501 10.03
17,500 514 12.05
20,000 535 14.76
22,500 561 18.17
25,000 590 22.27
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
3.4
(cfm)
rpm bhp
10,000 677 15.40
12,500 687 18.22
15,000 687 20.54
17,500 684 22.69
20,000 686 25.27
22,500 697 28.68
25,000 714 33.04
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.
LEGEND
50P3,P5,P7,P9 units only.
bhp — Brake Horsepower
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.4 0.6
rpm bhp rpm bhp
258 1.71 296 2.29
286 2.63 319 3.26
317 3.90 347 4.64
348 5.55 378 6.43
381 7.64 409 8.68
414 10.25 440 11.43
449 13.48 473 14.75
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.0 2.2
rpm bhp rpm bhp
527 8.46 552 9.45
525 9.76 552 10.93
526 11.17 550 12.38
536 13.17 557 14.35
554 15.88 573 17.06
579 19.34 596 20.54
606 23.51 622 24.78
3.6 3.8
rpm bhp rpm bhp
695 16.40 712 17.40
706 19.45 725 20.69
707 21.98 727 23.43
704 24.24 724 25.83
705 26.84 723 28.44
713 30.21 730 31.79
729 34.55 — —
0.8 1.0
rpm bhp rpm bhp
334 2.97 371 3.76
349 3.95 380 4.71
374 5.38 400 6.18
403 7.29 426 8.16
433 9.68 456 10.66
464 12.59 486 13.71
496 16.06 517 17.34
2.4 2.6
rpm bhp rpm bhp
576 10.44 598 11.42
577 12.12 601 13.32
575 13.65 598 14.97
579 15.60 600 16.91
592 18.29 611 19.58
613 21.78 629 23.06
637 26.07 653 27.39
4.0
rpm bhp
728 18.41
742 21.92
746 24.89
743 27.43
742 30.09
747 33.42
— —
20
1.2 1.4
rpm bhp rpm bhp
407 4.63 440 5.56
410 5.58 440 6.52
425 7.03 450 7.95
449 9.05 471 10.00
477 11.64 497 12.65
506 14.81 525 15.91
537 18.59 555 19.82
2.8 3.0
rpm bhp rpm bhp
619 12.41 639 13.41
624 14.54 646 15.76
621 16.32 644 17.71
621 18.28 643 19.70
630 20.91 649 22.31
646 24.40 663 25.78
668 28.75 683 30.13
a,b,c
1.6
rpm bhp
471 6.51
469 7.54
476 8.95
493 10.99
516 13.68
543 17.03
573 21.04
3.2
rpm bhp
659 14.41
667 16.99
666 19.11
663 21.18
668 23.77
680 27.20
699 31.56