Carrier Weathermaster 48P030-100 Controls, Start-Up, Operation, Service, And Troubleshooting page 21

Table 15 — Fan Performance — 50P2,P3,P6,P7060 Units with Discharge Plenum and 50P4,P5,P8,P9060 Units
AIRFLOW
0.2
(cfm)
rpm bhp
12,000 241 1.82
15,000 281 3.14
18,000 323 5.03
21,000 366 7.61
24,000 410 10.97
27,000 455 15.23
30,000 500 20.52
AIRFLOW
1.8
(cfm)
rpm bhp
12,000 486 7.94
15,000 498 9.90
18,000 518 12.57
21,000 546 16.07
24,000 577 20.49
27,000 611 25.91
30,000 648 32.43
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
3.4
(cfm)
rpm bhp
12,000 664 16.40
15,000 666 19.12
18,000 672 22.28
21,000 686 26.25
24,000 707 31.23
27,000 — —
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
280 2.41 314 3.04
316 3.87 346 4.61
355 5.92 382 6.80
395 8.66 421 9.69
437 12.20 460 13.39
479 16.65 501 18.00
522 22.11 543 23.64
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.0 2.2
rpm bhp rpm bhp
511 8.91 535 9.91
520 10.93 543 12.01
539 13.66 559 14.78
564 17.23 583 18.42
594 21.74 611 23.00
628 27.26 643 28.63
663 33.90 678 35.38
3.6 3.8
rpm bhp rpm bhp
683 17.55 702 18.70
685 20.39 703 21.69
690 23.64 708 25.02
703 27.67 719 29.11
722 32.71 737 34.20
— — — —
— — — —
0.8 1.0
rpm bhp rpm bhp
346 3.72 376 4.47
374 5.38 400 6.19
408 7.68 431 8.58
444 10.71 466 11.73
482 14.55 503 15.71
522 19.33 542 20.64
563 25.14 581 26.61
2.4 2.6
rpm bhp rpm bhp
559 10.94 581 11.99
564 13.11 586 14.26
579 15.95 598 17.15
600 19.64 618 20.90
628 24.31 644 25.63
659 30.03 674 31.44
— — — —
4.0
rpm bhp
720 19.87
721 23.01
725 26.44
735 30.59
— —
— —
— —
21
1.2 1.4
rpm bhp rpm bhp
405 5.26 433 6.11
426 7.05 450 7.95
454 9.53 476 10.50
487 12.78 507 13.85
523 16.88 541 18.07
560 21.95 578 23.26
599 28.06 616 29.52
2.8 3.0
rpm bhp rpm bhp
603 13.07 624 14.16
606 15.43 627 16.63
617 18.39 636 19.65
635 22.19 653 23.51
660 26.99 676 28.38
689 32.87 703 34.33
— — — —
a,b,c
1.6
rpm bhp
460 7.01
474 8.90
498 11.52
527 14.94
560 19.27
595 24.58
632 30.97
3.2
rpm bhp
645 15.28
646 17.86
654 20.95
669 24.86
691 29.77
718 35.82
— —