Carrier Weathermaster 48P030-100 Controls, Start-Up, Operation, Service, And Troubleshooting page 22

Table 16 — Fan Performance — 50P2,P3,P6,P7070 Units with Discharge Plenum and 50P4,P5,P8,P9070 Units
AIRFLOW
0.2
(cfm)
rpm bhp
14,000 268 2.64
17,500 316 4.67
21,000 366 7.61
24,500 417 11.61
28,000 470 16.88
30,000 500 20.52
AIRFLOW
1.8
(cfm)
rpm bhp
14,000 493 9.17
17,500 515 12.07
21,000 546 16.07
24,500 583 21.32
28,000 623 27.96
30,000 648 32.43
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
3.4
(cfm)
rpm bhp
14,000 665 18.18
17,500 671 21.70
21,000 686 26.24
24,500 711 32.17
28,000 — —
30,000 — —
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
48/50P3,P5,P7,P9 units only.
bhp — Brake Horsepower
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.4 0.6
rpm bhp rpm bhp
304 3.32 335 4.02
348 5.54 376 6.39
395 8.66 421 9.69
444 12.87 467 14.09
493 18.35 515 19.77
522 22.11 543 23.64
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.0 2.2
rpm bhp rpm bhp
516 10.19 539 11.24
535 13.14 556 14.26
564 17.23 583 18.42
600 22.59 616 23.87
639 29.35 655 30.75
663 33.90 678 35.38
3.6 3.8
rpm bhp rpm bhp
684 19.42 703 20.68
689 23.05 706 24.42
703 27.67 719 29.11
726 33.65 741 35.16
— — — —
— — — —
0.8 1.0
rpm bhp rpm bhp
364 4.76 391 5.55
402 7.25 426 8.14
444 10.71 466 11.73
489 15.28 509 16.47
536 21.15 555 22.51
563 25.14 581 26.61
2.4 2.6
rpm bhp rpm bhp
562 12.33 583 13.45
576 15.42 595 16.61
600 19.64 618 20.90
633 25.18 649 26.53
670 32.18 685 33.63
— — — —
4.0
rpm bhp
721 21.95
724 25.82
735 30.59
— —
— —
— —
22
1.2 1.4
rpm bhp rpm bhp
418 6.39 444 7.27
449 9.06 472 10.03
487 12.78 507 13.85
529 17.66 547 18.86
573 23.87 590 25.22
599 28.06 616 29.52
2.8 3.0
rpm bhp rpm bhp
605 14.60 625 15.77
615 17.84 634 19.09
635 22.19 653 23.51
664 27.89 680 29.29
699 35.09 — —
— — — —
a,b,c
1.6
rpm bhp
468 8.20
493 11.03
527 14.94
565 20.08
607 26.59
632 30.97
3.2
rpm bhp
645 16.96
652 20.39
669 24.86
695 30.71
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— —