Carrier WEATHERMASTER 48/50Z030-105 - Manual (Page 14)

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Table 9 — Fan Performance — 48ZG,ZN070 and 50ZG,ZN070 Units Without Discharge Plenum*
LEGEND
*If calculating static pressure for a 48 Series unit, be sure to add gas
heat pressure drop from Table 30B on page 32.
NOTES:
1. Fan performance is based on wet coils and clean 2-in. filters.
2. See Table 30B before using Fan Performance tables.
3. Conversion — Bhp to kW:
See Tables 26-28 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
14,000 258 2.23 297 2.80 330 3.38 362 4.02 392 4.73 422 5.53 451 6.42 480 7.37
17,500 302 3.92 338 4.67 368 5.39 395 6.10 421 6.84 446 7.64 471 8.50 495 9.42
21,000 348 6.36 380 7.29 408 8.18 434 9.04 457 9.88 479 10.74 501 11.64 522 12.57
24,500 397 9.74 424 10.80 450 11.88 475 12.91 497 13.91 517 14.89 537 15.88 556 16.89
28,000 447 14.18 470 15.35 494 16.60 516 17.82 538 19.01 558 20.16 576 21.29 594 22.41
30,000 476 17.29 497 18.50 519 19.82 541 21.15 562 22.45 581 23.70 599 24.93 617 26.14
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
14,000 507 8.39 533 9.46 558 10.57 582 11.71 605 12.89 627 14.08 648 15.29 668 16.52
17,500 519 10.42 542 11.48 565 12.60 588 13.78 610 15.02 632 16.30 653 17.62 674 18.99
21,000 543 13.56 563 14.60 583 15.69 603 16.84 623 18.05 643 19.31 662 20.63 682 21.99
24,500 575 17.93 593 18.99 611 20.10 629 21.24 646 22.43 664 23.67 681 24.96 698 26.29
28,000 612 23.55 628 24.69 645 25.86 661 27.05 677 28.27 692 29.53 708 30.82 723 32.15
30,000 634 27.34 650 28.56 666 29.78 681 31.02 696 32.28 711 33.56 726 34.88 — —
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4 3.6 3.8 4.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
14,000 687 17.76 706 19.01 724 20.27 741 21.54
17,500 694 20.38 713 21.79 732 23.24 — —
21,000 701 23.41 719 24.87 738 26.38 — —
24,500 715 27.67 732 29.10 749 30.58 — —
28,000 739 33.51 — — — — — —
30,000 — — — — — — — —
48/50ZN units only.
Bhp — Brake Horsepower
Kilowatts =
Bhp x .746
Motor efficiency