Carrier WEATHERMASTER 48/50Z030-105 Operation And Service Manual page 10

Table 5 — Fan Performance — 48ZG,ZN040 and 50ZG,ZN040 Units Without Discharge Plenum*
AIRFLOW
0.2
(Cfm)
Rpm Bhp
8,000 252 0.98
10,000 290 1.67
12,000 330 2.65
14,000 372 3.96
16,000 415 5.67
18,000 459 7.84
20,000 503 10.51
AIRFLOW
1.8
(Cfm)
Rpm Bhp
8,000 571 4.60
10,000 579 5.75
12,000 590 7.21
14,000 607 9.07
16,000 629 11.41
18,000 656 14.28
20,000 687 17.71
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
3.4
(Cfm)
Rpm Bhp
8,000 770 9.27
10,000 780 11.00
12,000 789 12.96
14,000 797 15.24
16,000 808 17.95
18,000 823 21.21
20,000 — —
LEGEND
48/50ZN units only.
Bhp — Brake Horsepower
*If calculating static pressure for a 48 Series unit, be sure to add gas
heat pressure drop from Table 30A on page 32.
NOTES:
1. Fan performance is based on wet coils and clean 2-in. filters.
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.4 0.6
Rpm Bhp Rpm Bhp
303 1.33 350 1.72
333 2.11 373 2.55
369 3.18 404 3.70
407 4.61 439 5.22
447 6.44 476 7.15
488 8.72 515 9.55
530 11.51 555 12.46
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.0 2.2
Rpm Bhp Rpm Bhp
600 5.14 628 5.70
608 6.36 636 6.98
618 7.87 645 8.55
633 9.78 658 10.51
653 12.16 676 12.94
678 15.09 700 15.91
707 18.60 727 19.48
3.6 3.8
Rpm Bhp Rpm Bhp
791 9.90 811 10.54
802 11.71 822 12.43
810 13.73 831 14.52
818 16.07 839 16.93
828 18.85 849 19.75
842 22.15 862 23.11
— — — —
0.8 1.0
Rpm Bhp Rpm Bhp
394 2.14 434 2.58
412 3.01 448 3.51
438 4.23 470 4.78
469 5.83 498 6.44
504 7.85 530 8.54
541 10.34 565 11.12
579 13.36 602 14.24
2.4 2.6
Rpm Bhp Rpm Bhp
654 6.27 679 6.85
662 7.62 688 8.28
671 9.25 696 9.96
683 11.25 707 12.02
699 13.73 722 14.54
721 16.76 742 17.62
747 20.38 766 21.30
4.0
Rpm Bhp
830 11.18
842 13.15
851 15.32
859 17.79
868 20.67
— —
— —
2. See Table 30A before using Fan Performance tables.
3. Conversion — Bhp to kW:
Kilowatts =
Motor efficiency
See Tables 26-28 for motor efficiency.
10
1.2 1.4
Rpm Bhp Rpm Bhp
472 3.06 507 3.55
483 4.03 517 4.58
501 5.35 532 5.94
526 7.07 554 7.72
556 9.24 581 9.95
589 11.91 612 12.69
624 15.11 645 15.98
2.8 3.0
Rpm Bhp Rpm Bhp
703 7.44 726 8.04
712 8.94 736 9.62
720 10.69 744 11.43
730 12.80 753 13.60
744 15.37 766 16.22
762 18.49 783 19.39
785 22.22 804 23.17
Bhp x .746
1.6
Rpm Bhp
540 4.07
549 5.16
562 6.56
581 8.38
605 10.67
634 13.47
666 16.84
3.2
Rpm Bhp
748 8.65
758 10.30
766 12.19
775 14.41
787 17.08
803 20.29
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